Add Repo: ModRetro_oss-chromatic-console-fpga
Browse filesThis view is limited to 50 files because it contains too many changes. See raw diff
- ModRetro_oss-chromatic-console-fpga/CHANGELOG.md +101 -0
- ModRetro_oss-chromatic-console-fpga/CODE_OF_CONDUCT.md +135 -0
- ModRetro_oss-chromatic-console-fpga/CONTRIBUTING.md +1 -0
- ModRetro_oss-chromatic-console-fpga/README.md +77 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/build.tcl +51 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/build_evt1_x2.tcl +50 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/impl/evt1_x2_process_config.json +88 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/board/evt1_x2/evt1_x2.sdc +34 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/fifo1k/fifo1k.v +642 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/gowin_adc/gowin_adc.v +60 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/gowin_pll_preevt/gowin_pll.v +138 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/MultiPortRamCtrl.vhd +219 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/PSRAMBIST_Burst.vhd +174 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/PSRAMController.vhd +716 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/ST7785_init.v +181 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/ST7785_panel_master.v +267 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/adc_wrap.v +85 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/aud_system_top.v +154 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/button_debounce.v +42 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/gb_burst_write.v +70 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/i2c_master.sv +634 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/mem_system_top.sv +236 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/mm_burst_read_to_stream.v +110 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/mm_burst_write.v +52 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/mpmc.v +71 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/overlayBatteryBack.vhd +34 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/overlayBatteryFront.vhd +56 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/overlayDebug.vhd +121 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/overlayTimerBack.vhd +34 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/overlayTimerFront.vhd +33 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/overlayTimerNumber.vhd +101 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/polling_master.v +368 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/qspi_slave.v +116 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/system_monitor.sv +519 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/system_monitor_arbiter.sv +106 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/tlv320_init.v +90 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/uart/fixed_point_divider/fixed_point_divider.v +1034 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/uart/uart.v +142 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/uart/uart_rx.vhd +497 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/uart/uart_tx.vhd +518 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/uart/usb_uart_config.v +277 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/uart_packet_wrapper_rx.sv +99 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/uart_packet_wrapper_tx.sv +162 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/vid_system_top.sv +476 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/vid_system_top.v +484 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/vid_tpg.v +69 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/EMU/CORE/BootROMs/README.md +9 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/EMU/CORE/BootROMs/cgb_boot_hex.txt +128 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/EMU/CORE/T80/GBse.vhd +266 -0
- ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/EMU/CORE/T80/T80.vhd +1341 -0
ModRetro_oss-chromatic-console-fpga/CHANGELOG.md
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| 1 |
+
## v18.8
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| 2 |
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| 3 |
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### Changed
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| 4 |
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- Enable audio until ESP32 can configure the FPGA
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| 5 |
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| 6 |
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### Fixed
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| 7 |
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- IO0/En control sometimes fails to boot the ESP32
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| 8 |
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- The FPGA sometimes resets during play
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| 9 |
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| 10 |
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## v18.7
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| 11 |
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| 12 |
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### Fixed
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| 13 |
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- Custom sprite palettes distinguish betwen obj0 and obj1
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| 14 |
+
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| 15 |
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## v18.6
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| 16 |
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| 17 |
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### Added
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| 18 |
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- Support for streaming audio over USB.
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| 19 |
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- Support for custom palettes to override existing palette after boot.
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| 20 |
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| 21 |
+
### Changed
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| 22 |
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- Inverted audio polarity
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| 23 |
+
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| 24 |
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## Fixed
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| 25 |
+
- Reworked the design of frame blending
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| 26 |
+
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| 27 |
+
## v18.5
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| 28 |
+
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| 29 |
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### Added
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| 30 |
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- Support for streaming on macOS and Discord.
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| 31 |
+
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| 32 |
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### Changed
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| 33 |
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- The default palettes changed for `A + B + Right` and `A + B + Left`. All credit to **rayjt9**.
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| 34 |
+
- Tuned settings for the Chromatic Power Core.
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| 35 |
+
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| 36 |
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### Fixed
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| 37 |
+
- LED indicator light now correct for AA, USB, and Chromatic Power Core use cases.
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| 38 |
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- Fixed an issue where the clock would skip in titles with an RTC (e.g. Pokemon Crystal).
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| 39 |
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- Fixed an issue where save data could be lost in some titles (e.g. Pokemon Crystal).
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| 40 |
+
- Streaming no longer requires flipping the video in OBS.
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| 41 |
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- Miscellaneous compatibility fixes.
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| 42 |
+
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| 43 |
+
## v18.4
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| 44 |
+
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| 45 |
+
### Added
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| 46 |
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- Option to ignore diagonal inputs from the D-Pad
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| 47 |
+
- Option to use the background palette 0 color (prevents screen transition flash)
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| 48 |
+
- Option to set low battery icon display behavior
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| 49 |
+
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| 50 |
+
### Changed
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| 51 |
+
- Tuned battery thresholds for 1.2V NiMH AA's
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| 52 |
+
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| 53 |
+
### Fixed
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| 54 |
+
- Reduce backlight flashing when power source is nearly depleted
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| 55 |
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- Support for Kirby Tilt-n-Tumble
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| 56 |
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- Improved Chromatic firmware version detection
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| 57 |
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- Support streaming to Linux platforms
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| 58 |
+
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| 59 |
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## v18.0
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| 60 |
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| 61 |
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### Changed
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| 62 |
+
- Improved button debouncing.
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| 63 |
+
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| 64 |
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### Fixed
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| 65 |
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- Fully mute game audio when speaker wheel is turned to minimum.
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| 66 |
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- Silent mode mutes all device audio output.
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| 67 |
+
- Suppress invalid DPAD inputs to correct character sprite glitch.
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| 68 |
+
- Color decoding bug corrected (greyscale check).
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| 69 |
+
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| 70 |
+
## v17.0
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| 71 |
+
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| 72 |
+
### Note
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| 73 |
+
The MCU must be updated to v0.12.X or newer as the underlying communication protocol changed.
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| 74 |
+
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| 75 |
+
### Changed
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| 76 |
+
- Enable backlight switch on independent from MCU communication.
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| 77 |
+
- Supports updated UART protocol.
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| 78 |
+
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| 79 |
+
## v16.0
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| 80 |
+
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| 81 |
+
### Note
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| 82 |
+
The version of the IDE was switched to Gowin IDE v1.9.9.03. This resolves a synthensis bug which resulted in a palette flickering issue. Do not build with Gowin IDE v1.9.9.02 or older going forward.
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| 83 |
+
|
| 84 |
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### Added
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| 85 |
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- Reset the FPGA core when a cartridge is removed.
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| 86 |
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- Add hotkey for reset (Menu+A+B+Start+Select).
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| 87 |
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- Add hotkeys for brightness (Menu+Left/Right).
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| 88 |
+
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| 89 |
+
### Changed
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| 90 |
+
- Only show icon overlays when the OSD is off.
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| 91 |
+
- USB CDC descriptors for Linux & macOS.
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| 92 |
+
|
| 93 |
+
### Fixed
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| 94 |
+
- Improved AA/LiPo detection logic to resolve critical battery false positives.
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| 95 |
+
- Fixes palette flickering issue seen on some games like Tetris.
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| 96 |
+
|
| 97 |
+
## v13.1
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| 98 |
+
This is the first production release.
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| 99 |
+
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| 100 |
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## v13.0 and older
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| 101 |
+
A preliminary engineering release.
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ModRetro_oss-chromatic-console-fpga/CODE_OF_CONDUCT.md
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| 1 |
+
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| 2 |
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# Contributor Covenant Code of Conduct
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| 3 |
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| 4 |
+
## Our Pledge
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| 5 |
+
|
| 6 |
+
We as members, contributors, and leaders pledge to make participation in our
|
| 7 |
+
community a harassment-free experience for everyone, regardless of age, body
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| 8 |
+
size, visible or invisible disability, ethnicity, sex characteristics, gender
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| 9 |
+
identity and expression, level of experience, education, socio-economic status,
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| 10 |
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nationality, personal appearance, race, caste, color, religion, or sexual
|
| 11 |
+
identity and orientation.
|
| 12 |
+
|
| 13 |
+
We pledge to act and interact in ways that contribute to an open, welcoming,
|
| 14 |
+
diverse, inclusive, and healthy community.
|
| 15 |
+
|
| 16 |
+
## Our Standards
|
| 17 |
+
|
| 18 |
+
Examples of behavior that contributes to a positive environment for our
|
| 19 |
+
community include:
|
| 20 |
+
|
| 21 |
+
* Demonstrating empathy and kindness toward other people
|
| 22 |
+
* Being respectful of differing opinions, viewpoints, and experiences
|
| 23 |
+
* Giving and gracefully accepting constructive feedback
|
| 24 |
+
* Accepting responsibility and apologizing to those affected by our mistakes,
|
| 25 |
+
and learning from the experience
|
| 26 |
+
* Focusing on what is best not just for us as individuals, but for the overall
|
| 27 |
+
community
|
| 28 |
+
|
| 29 |
+
Examples of unacceptable behavior include:
|
| 30 |
+
|
| 31 |
+
* The use of sexualized language or imagery, and sexual attention or advances of
|
| 32 |
+
any kind
|
| 33 |
+
* Trolling, insulting or derogatory comments, and personal or political attacks
|
| 34 |
+
* Public or private harassment
|
| 35 |
+
* Publishing others' private information, such as a physical or email address,
|
| 36 |
+
without their explicit permission
|
| 37 |
+
* Other conduct which could reasonably be considered inappropriate in a
|
| 38 |
+
professional setting
|
| 39 |
+
|
| 40 |
+
## Enforcement Responsibilities
|
| 41 |
+
|
| 42 |
+
Community leaders are responsible for clarifying and enforcing our standards of
|
| 43 |
+
acceptable behavior and will take appropriate and fair corrective action in
|
| 44 |
+
response to any behavior that they deem inappropriate, threatening, offensive,
|
| 45 |
+
or harmful.
|
| 46 |
+
|
| 47 |
+
Community leaders have the right and responsibility to remove, edit, or reject
|
| 48 |
+
comments, commits, code, wiki edits, issues, and other contributions that are
|
| 49 |
+
not aligned to this Code of Conduct, and will communicate reasons for moderation
|
| 50 |
+
decisions when appropriate.
|
| 51 |
+
|
| 52 |
+
## Scope
|
| 53 |
+
|
| 54 |
+
This Code of Conduct applies within all community spaces, and also applies when
|
| 55 |
+
an individual is officially representing the community in public spaces.
|
| 56 |
+
Examples of representing our community include using an official email address,
|
| 57 |
+
posting via an official social media account, or acting as an appointed
|
| 58 |
+
representative at an online or offline event.
|
| 59 |
+
|
| 60 |
+
## Enforcement
|
| 61 |
+
|
| 62 |
+
Instances of abusive, harassing, or otherwise unacceptable behavior may be
|
| 63 |
+
reported to the community leaders responsible for enforcement at
|
| 64 |
+
[INSERT CONTACT METHOD].
|
| 65 |
+
All complaints will be reviewed and investigated promptly and fairly.
|
| 66 |
+
|
| 67 |
+
All community leaders are obligated to respect the privacy and security of the
|
| 68 |
+
reporter of any incident.
|
| 69 |
+
|
| 70 |
+
## Enforcement Guidelines
|
| 71 |
+
|
| 72 |
+
Community leaders will follow these Community Impact Guidelines in determining
|
| 73 |
+
the consequences for any action they deem in violation of this Code of Conduct:
|
| 74 |
+
|
| 75 |
+
### 1. Correction
|
| 76 |
+
|
| 77 |
+
**Community Impact**: Use of inappropriate language or other behavior deemed
|
| 78 |
+
unprofessional or unwelcome in the community.
|
| 79 |
+
|
| 80 |
+
**Consequence**: A private, written warning from community leaders, providing
|
| 81 |
+
clarity around the nature of the violation and an explanation of why the
|
| 82 |
+
behavior was inappropriate. A public apology may be requested.
|
| 83 |
+
|
| 84 |
+
### 2. Warning
|
| 85 |
+
|
| 86 |
+
**Community Impact**: A violation through a single incident or series of
|
| 87 |
+
actions.
|
| 88 |
+
|
| 89 |
+
**Consequence**: A warning with consequences for continued behavior. No
|
| 90 |
+
interaction with the people involved, including unsolicited interaction with
|
| 91 |
+
those enforcing the Code of Conduct, for a specified period of time. This
|
| 92 |
+
includes avoiding interactions in community spaces as well as external channels
|
| 93 |
+
like social media. Violating these terms may lead to a temporary or permanent
|
| 94 |
+
ban.
|
| 95 |
+
|
| 96 |
+
### 3. Temporary Ban
|
| 97 |
+
|
| 98 |
+
**Community Impact**: A serious violation of community standards, including
|
| 99 |
+
sustained inappropriate behavior.
|
| 100 |
+
|
| 101 |
+
**Consequence**: A temporary ban from any sort of interaction or public
|
| 102 |
+
communication with the community for a specified period of time. No public or
|
| 103 |
+
private interaction with the people involved, including unsolicited interaction
|
| 104 |
+
with those enforcing the Code of Conduct, is allowed during this period.
|
| 105 |
+
Violating these terms may lead to a permanent ban.
|
| 106 |
+
|
| 107 |
+
### 4. Permanent Ban
|
| 108 |
+
|
| 109 |
+
**Community Impact**: Demonstrating a pattern of violation of community
|
| 110 |
+
standards, including sustained inappropriate behavior, harassment of an
|
| 111 |
+
individual, or aggression toward or disparagement of classes of individuals.
|
| 112 |
+
|
| 113 |
+
**Consequence**: A permanent ban from any sort of public interaction within the
|
| 114 |
+
community.
|
| 115 |
+
|
| 116 |
+
## Attribution
|
| 117 |
+
|
| 118 |
+
This Code of Conduct is adapted from the [Contributor Covenant][homepage],
|
| 119 |
+
version 2.1, available at
|
| 120 |
+
[https://www.contributor-covenant.org/version/2/1/code_of_conduct.html][v2.1].
|
| 121 |
+
|
| 122 |
+
Community Impact Guidelines were inspired by
|
| 123 |
+
[Mozilla's code of conduct enforcement ladder][Mozilla CoC].
|
| 124 |
+
|
| 125 |
+
For answers to common questions about this code of conduct, see the FAQ at
|
| 126 |
+
[https://www.contributor-covenant.org/faq][FAQ]. Translations are available at
|
| 127 |
+
[https://www.contributor-covenant.org/translations][translations].
|
| 128 |
+
|
| 129 |
+
[homepage]: https://www.contributor-covenant.org
|
| 130 |
+
[v2.1]: https://www.contributor-covenant.org/version/2/1/code_of_conduct.html
|
| 131 |
+
[Mozilla CoC]: https://github.com/mozilla/diversity
|
| 132 |
+
[FAQ]: https://www.contributor-covenant.org/faq
|
| 133 |
+
[translations]: https://www.contributor-covenant.org/translations
|
| 134 |
+
|
| 135 |
+
|
ModRetro_oss-chromatic-console-fpga/CONTRIBUTING.md
ADDED
|
@@ -0,0 +1 @@
|
|
|
|
|
|
|
| 1 |
+
Please check back later. We will populate this soon.
|
ModRetro_oss-chromatic-console-fpga/README.md
ADDED
|
@@ -0,0 +1,77 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
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|
|
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|
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|
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|
|
|
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|
|
|
|
|
|
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|
|
|
|
|
|
|
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|
|
|
|
|
|
|
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|
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|
|
|
|
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|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
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|
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|
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|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
# Chromatic FPGA
|
| 2 |
+
This repository houses the ModRetro Chromatic's FPGA design files.
|
| 3 |
+
|
| 4 |
+
For more information about the ModRetro Chromatic, please see visit [ModRetro.com](https://modretro.com/).
|
| 5 |
+
|
| 6 |
+
## Setup
|
| 7 |
+
|
| 8 |
+
### Repository
|
| 9 |
+
|
| 10 |
+
This project builds upon the open source work provided by the Game Boy `MiSTer` project. When checking out this repository, make sure to run the following command as this repository submodules the Game Boy `MiSTer` project.
|
| 11 |
+
|
| 12 |
+
```bash
|
| 13 |
+
git submodule update --init --recursive
|
| 14 |
+
```
|
| 15 |
+
|
| 16 |
+
### Gowin Development Environment
|
| 17 |
+
|
| 18 |
+
**The Gowin FPGA Designer v1.9.9.03 must be used.** Using Gowin IDE v1.9.10.X or newer is currently not supported by this build.
|
| 19 |
+
|
| 20 |
+
You will also need to apply for a local license with Gowin through their website:
|
| 21 |
+
https://www.gowinsemi.com/en/support/license
|
| 22 |
+
|
| 23 |
+
The license expires after one year and will require reactivation.
|
| 24 |
+
|
| 25 |
+
You will receive an email within a few minutes with a `.lic` file attached. Run the Gowin IDE and install the license when it prompts you. You'll need to close and re-open the GOWIN IDE if everything was successful.
|
| 26 |
+
|
| 27 |
+
## Building
|
| 28 |
+
Once in the IDE, load `evt1_x2.gprj` project and click on the green recycle-like button icon to run synthesis and PnR. This will take about 5-10 minutes to complete.
|
| 29 |
+
|
| 30 |
+
## Flashing
|
| 31 |
+
Flashing can be performed using the official [Gowin Programmer](https://www.gowinsemi.com/en/) software or the [`openFPGALoader`](https://github.com/trabucayre/openFPGALoader) utility through the Chromatic's USB interface. The Gowin Programmer requires the installation of the GWU2X device driver.
|
| 32 |
+
|
| 33 |
+
Note:
|
| 34 |
+
1. The Chromatic must be powered on for either tool to detect the FPGA. This means the power switch is in the **ON** position.
|
| 35 |
+
2. If using `openFPGALoader`, the tool must be compiled with support for the Gowin GWU2X cable.
|
| 36 |
+
|
| 37 |
+
### Example Using `openFPGALoader`
|
| 38 |
+
**Detect the Chromatic FPGA While Powered On**
|
| 39 |
+
```bash
|
| 40 |
+
openFPGALoader --detect --cable gwu2x
|
| 41 |
+
```
|
| 42 |
+
|
| 43 |
+
You will see an output similar to:
|
| 44 |
+
```
|
| 45 |
+
empty
|
| 46 |
+
User requested: 6000000 real frequency is 6000000
|
| 47 |
+
index 0:
|
| 48 |
+
idcode 0x1281b
|
| 49 |
+
manufacturer Gowin
|
| 50 |
+
family GW5A
|
| 51 |
+
model GW5A-25
|
| 52 |
+
irlength 8
|
| 53 |
+
```
|
| 54 |
+
|
| 55 |
+
**Flashing the Chromatic**
|
| 56 |
+
|
| 57 |
+
```bash
|
| 58 |
+
openFPGALoader --write-flash --cable gwu2x --reset <file>
|
| 59 |
+
```
|
| 60 |
+
|
| 61 |
+
Here, `<file>` refers to the generated bitstream file. This file can be found at `esp32t/impl/pnr/evt1_x2.fs`.
|
| 62 |
+
|
| 63 |
+
## Custom Modifications
|
| 64 |
+
|
| 65 |
+
When modifying the RTL design, please also update the 14-bit FPGA version within [esp32t/src/rtl/BSP/system_monitor.sv] around line 384 (see `version`).
|
| 66 |
+
|
| 67 |
+
This will ensure you can always using the [ModRetro Update Tool](https://modretro.com/pages/downloads#mrupdater) to restore your Chromatic to the latest official release.
|
| 68 |
+
|
| 69 |
+
## Issues
|
| 70 |
+
Please submit all issues and bug reports through our [Contact Form](https://modretro.com/pages/contact).
|
| 71 |
+
|
| 72 |
+
## Attributions
|
| 73 |
+
- [GOWIN Semiconductor](https://www.gowinsemi.com/en/)
|
| 74 |
+
- [MiSTer](https://github.com/MiSTer-devel/Gameboy_MiSTer)
|
| 75 |
+
|
| 76 |
+
## Special Thanks
|
| 77 |
+
- [rayjt9] For their palette improvements to the BootROM.
|
ModRetro_oss-chromatic-console-fpga/esp32t/build.tcl
ADDED
|
@@ -0,0 +1,51 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
add_file -type verilog "src/fifo1k/fifo1k.v"
|
| 2 |
+
add_file -type verilog "src/gowin_adc/gowin_adc.v"
|
| 3 |
+
add_file -type verilog "src/rtl/BSP/ST7785_init.v"
|
| 4 |
+
add_file -type verilog "src/rtl/BSP/ST7785_panel_master.v"
|
| 5 |
+
add_file -type verilog "src/rtl/BSP/adc_wrap.v"
|
| 6 |
+
add_file -type verilog "src/rtl/BSP/aud_system_top.v"
|
| 7 |
+
add_file -type verilog "src/rtl/BSP/gb_burst_write.v"
|
| 8 |
+
add_file -type verilog "src/rtl/BSP/i2c_master.sv"
|
| 9 |
+
add_file -type verilog "src/rtl/BSP/mem_system_top.sv"
|
| 10 |
+
add_file -type verilog "src/rtl/BSP/mm_burst_read_to_stream.v"
|
| 11 |
+
add_file -type verilog "src/rtl/BSP/mm_burst_write.v"
|
| 12 |
+
add_file -type verilog "src/rtl/BSP/mpmc.v"
|
| 13 |
+
add_file -type verilog "src/rtl/BSP/polling_master.v"
|
| 14 |
+
add_file -type verilog "src/rtl/BSP/qspi_slave.v"
|
| 15 |
+
add_file -type verilog "src/rtl/BSP/system_monitor.v"
|
| 16 |
+
add_file -type verilog "src/rtl/BSP/tlv320_init.v"
|
| 17 |
+
add_file -type verilog "src/rtl/BSP/uart/fixed_point_divider/fixed_point_divider.v"
|
| 18 |
+
add_file -type verilog "src/rtl/BSP/uart/uart.v"
|
| 19 |
+
add_file -type verilog "src/rtl/BSP/uart/usb_uart_config.v"
|
| 20 |
+
add_file -type verilog "src/rtl/BSP/vid_system_top.v"
|
| 21 |
+
add_file -type verilog "src/rtl/BSP/vid_tpg.v"
|
| 22 |
+
add_file -type verilog "src/rtl/EMU/CORE/cheatcodes.sv"
|
| 23 |
+
add_file -type verilog "src/rtl/EMU/CORE/dpramV.v"
|
| 24 |
+
add_file -type verilog "src/rtl/EMU/CORE/dpram_difV.v"
|
| 25 |
+
add_file -type verilog "src/rtl/EMU/CORE/gb.v"
|
| 26 |
+
add_file -type verilog "src/Gameboy_MiSTer/rtl/hdma.v"
|
| 27 |
+
add_file -type verilog "src/rtl/EMU/CORE/link.v"
|
| 28 |
+
add_file -type verilog "src/rtl/EMU/CORE/sprites.v"
|
| 29 |
+
add_file -type verilog "src/Gameboy_MiSTer/rtl/timer.v"
|
| 30 |
+
add_file -type verilog "src/rtl/EMU/CORE/video.v"
|
| 31 |
+
add_file -type verilog "src/rtl/EMU/cart.v"
|
| 32 |
+
add_file -type verilog "src/rtl/EMU/emu_system_top.v"
|
| 33 |
+
add_file -type vhdl "src/rtl/BSP/MultiPortRamCtrl.vhd"
|
| 34 |
+
add_file -type vhdl "src/rtl/BSP/PSRAMBIST_Burst.vhd"
|
| 35 |
+
add_file -type vhdl "src/rtl/BSP/PSRAMController.vhd"
|
| 36 |
+
add_file -type vhdl "src/rtl/BSP/uart/uart_rx.vhd"
|
| 37 |
+
add_file -type vhdl "src/rtl/BSP/uart/uart_tx.vhd"
|
| 38 |
+
add_file -type vhdl "src/rtl/EMU/CORE/T80/GBse.vhd"
|
| 39 |
+
add_file -type vhdl "src/Gameboy_MiSTer/rtl/T80/T80.vhd"
|
| 40 |
+
add_file -type vhdl "src/Gameboy_MiSTer/rtl/T80/T80_ALU.vhd"
|
| 41 |
+
add_file -type vhdl "src/rtl/EMU/CORE/T80/T80_MCode.vhd"
|
| 42 |
+
add_file -type vhdl "src/Gameboy_MiSTer/rtl/T80/T80_Pack.vhd"
|
| 43 |
+
add_file -type vhdl "src/Gameboy_MiSTer/rtl/T80/T80_Reg.vhd"
|
| 44 |
+
add_file -type vhdl "src/rtl/EMU/CORE/bus_savestates.vhd"
|
| 45 |
+
add_file -type vhdl "src/Gameboy_MiSTer/rtl/gb_savestates.vhd"
|
| 46 |
+
add_file -type vhdl "src/Gameboy_MiSTer/rtl/gb_statemanager.vhd"
|
| 47 |
+
add_file -type vhdl "src/rtl/EMU/CORE/gbc_snd.vhd"
|
| 48 |
+
add_file -type vhdl "src/Gameboy_MiSTer/rtl/reg_savestates.vhd"
|
| 49 |
+
add_file -type vhdl "src/rtl/EMU/CORE/speedcontrol.vhd"
|
| 50 |
+
add_file -type other "src/rtl/BSP/tlv320regs.hex"
|
| 51 |
+
|
ModRetro_oss-chromatic-console-fpga/esp32t/build_evt1_x2.tcl
ADDED
|
@@ -0,0 +1,50 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
source build.tcl
|
| 2 |
+
set_device GW5A-EV25UG256CC1/I0 -device_version A
|
| 3 |
+
set_option -synthesis_tool gowinsynthesis
|
| 4 |
+
set_option -top_module top
|
| 5 |
+
set_option -verilog_std sysv2017
|
| 6 |
+
set_option -vhdl_std vhd2008
|
| 7 |
+
set_option -rw_check_on_ram 1
|
| 8 |
+
set_option -use_sspi_as_gpio 1
|
| 9 |
+
set_option -power_on_reset_monitor 1
|
| 10 |
+
set_option -use_i2c_as_gpio 1
|
| 11 |
+
set_option -use_cpu_as_gpio 1
|
| 12 |
+
set_option -multi_boot 0
|
| 13 |
+
set_option -bit_format bin
|
| 14 |
+
set_option -bg_programming jtag_sspi_qsspi
|
| 15 |
+
set_option -output_base_name evt1_x2_v07
|
| 16 |
+
set_option -use_mspi_as_gpio 1
|
| 17 |
+
add_file -type verilog "src/board/evt1_x2/header.vh"
|
| 18 |
+
add_file -type cst "src/board/evt1_x2/evt1_x2.cst"
|
| 19 |
+
add_file -type sdc "src/board/evt1_x2/evt1_x2.sdc"
|
| 20 |
+
#add_file -type gao "src/psram.rao"
|
| 21 |
+
|
| 22 |
+
#add_file -type verilog "src/rtl/USB/USBUVC/usbuvc_top.v"
|
| 23 |
+
#add_file -type verilog "src/rtl/USB/USBUVC/Gowin_PLL_UVC/Gowin_PLL_UVC.v"
|
| 24 |
+
#add_file -type verilog "src/rtl/USB/USBUVC/usb_video/usb_defs.v"
|
| 25 |
+
#add_file -type verilog "src/rtl/USB/USBUVC/usb_video/usb_descriptor_video.v"
|
| 26 |
+
#add_file -type verilog "src/rtl/USB/USBUVC/usb_video/uvc_defs.v"
|
| 27 |
+
#add_file -type verilog "src/rtl/USB/USBUVC/usb_device_controller/usb_device_controller.v"
|
| 28 |
+
#add_file -type verilog "src/rtl/USB/USBUVC/usb2_0_softphy/usb2_0_softphy_top.v"
|
| 29 |
+
#add_file -type verilog "src/rtl/USB/USBUVC/usb2_0_softphy/usb2_0_softphy_name.v"
|
| 30 |
+
#add_file -type verilog "src/rtl/USB/USBUVC/usb2_0_softphy/usb2_0_softphy_encryption.v"
|
| 31 |
+
#add_file -type verilog "src/rtl/USB/USBUVC/usb2_0_softphy/static_macro_define.v"
|
| 32 |
+
|
| 33 |
+
add_file -type verilog "src/rtl/USB/USBUVCUART/usbuvcuart_top.v"
|
| 34 |
+
add_file -type verilog "src/rtl/USB/USBUVCUART/Gowin_PLL_UVC/Gowin_PLL_UVC.v"
|
| 35 |
+
add_file -type verilog "src/rtl/USB/USBUVCUART/usb_video/usb_defs.v"
|
| 36 |
+
add_file -type verilog "src/rtl/USB/USBUVCUART/usb_video/usb_descriptor_video.v"
|
| 37 |
+
add_file -type verilog "src/rtl/USB/USBUVCUART/usb_video/uvc_defs.v"
|
| 38 |
+
add_file -type verilog "src/rtl/USB/USBUVCUART/usb_device_controller/usb_device_controller.v"
|
| 39 |
+
add_file -type verilog "src/rtl/USB/USBUVCUART/usb2_0_softphy/usb2_0_softphy_top.v"
|
| 40 |
+
add_file -type verilog "src/rtl/USB/USBUVCUART/usb2_0_softphy/usb2_0_softphy_name.v"
|
| 41 |
+
add_file -type verilog "src/rtl/USB/USBUVCUART/usb2_0_softphy/usb2_0_softphy_encryption.v"
|
| 42 |
+
add_file -type verilog "src/rtl/USB/USBUVCUART/usb2_0_softphy/static_macro_define.v"
|
| 43 |
+
add_file -type verilog "src/rtl/USB/USBUVCUART/uart/uart.v"
|
| 44 |
+
add_file -type verilog "src/rtl/USB/USBUVCUART/sync_fifo/usb_fifo.v"
|
| 45 |
+
add_file -type verilog "src/rtl/USB/USBUVCUART/sync_fifo/sync_rx_pkt_fifo.v"
|
| 46 |
+
add_file -type verilog "src/rtl/USB/USBUVCUART/sync_fifo/sync_tx_pkt_fifo.v"
|
| 47 |
+
|
| 48 |
+
add_file -type verilog "src/gowin_pll_preevt/gowin_pll.v"
|
| 49 |
+
add_file -type verilog "src/top.v"
|
| 50 |
+
run all
|
ModRetro_oss-chromatic-console-fpga/esp32t/impl/evt1_x2_process_config.json
ADDED
|
@@ -0,0 +1,88 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
{
|
| 2 |
+
"BACKGROUND_PROGRAMMING" : "jtag_sspi_qsspi",
|
| 3 |
+
"COMPRESS" : false,
|
| 4 |
+
"CPU" : true,
|
| 5 |
+
"CRC_CHECK" : true,
|
| 6 |
+
"Clock_Route_Order" : 1,
|
| 7 |
+
"Correct_Hold_Violation" : true,
|
| 8 |
+
"DONE" : false,
|
| 9 |
+
"DOWNLOAD_SPEED" : "210/2",
|
| 10 |
+
"Disable_Insert_Pad" : false,
|
| 11 |
+
"ENABLE_CTP" : false,
|
| 12 |
+
"ENABLE_MERGE_MODE" : false,
|
| 13 |
+
"ENCRYPTION_KEY" : false,
|
| 14 |
+
"ENCRYPTION_KEY_TEXT" : "00000000000000000000000000000000",
|
| 15 |
+
"ERROR_DECTION_AND_CORRECTION" : false,
|
| 16 |
+
"ERROR_DECTION_ONLY" : false,
|
| 17 |
+
"ERROR_INJECTION" : false,
|
| 18 |
+
"EXTERNAL_MASTER_CONFIG_CLOCK" : false,
|
| 19 |
+
"Enable_DSRM" : false,
|
| 20 |
+
"FORMAT" : "binary",
|
| 21 |
+
"FREQUENCY_DIVIDER" : "1",
|
| 22 |
+
"Generate_Constraint_File_of_Ports" : false,
|
| 23 |
+
"Generate_IBIS_File" : false,
|
| 24 |
+
"Generate_Plain_Text_Timing_Report" : false,
|
| 25 |
+
"Generate_Post_PNR_Simulation_Model_File" : false,
|
| 26 |
+
"Generate_Post_Place_File" : false,
|
| 27 |
+
"Generate_SDF_File" : false,
|
| 28 |
+
"Generate_VHDL_Post_PNR_Simulation_Model_File" : false,
|
| 29 |
+
"Global_Freq" : "default",
|
| 30 |
+
"GwSyn_Loop_Limit" : 2000,
|
| 31 |
+
"HOTBOOT" : false,
|
| 32 |
+
"I2C" : true,
|
| 33 |
+
"I2C_SLAVE_ADDR" : "00",
|
| 34 |
+
"IncludePath" : [
|
| 35 |
+
|
| 36 |
+
],
|
| 37 |
+
"Incremental_Compile" : "",
|
| 38 |
+
"Initialize_Primitives" : false,
|
| 39 |
+
"JTAG" : false,
|
| 40 |
+
"MODE_IO" : false,
|
| 41 |
+
"MSPI" : true,
|
| 42 |
+
"MSPI_JUMP" : false,
|
| 43 |
+
"MULTIBOOT_ADDRESS_WIDTH" : "24",
|
| 44 |
+
"MULTIBOOT_MODE" : "Normal",
|
| 45 |
+
"MULTIBOOT_SPI_FLASH_ADDRESS" : "000000",
|
| 46 |
+
"MULTIJUMP_ADDRESS_WIDTH" : "24",
|
| 47 |
+
"MULTIJUMP_MODE" : "Normal",
|
| 48 |
+
"MULTIJUMP_SPI_FLASH_ADDRESS" : "000000",
|
| 49 |
+
"Multi_Boot" : false,
|
| 50 |
+
"OUTPUT_BASE_NAME" : "evt1_x2",
|
| 51 |
+
"POWER_ON_RESET_MONITOR" : true,
|
| 52 |
+
"PRINT_BSRAM_VALUE" : true,
|
| 53 |
+
"PROGRAM_DONE_BYPASS" : false,
|
| 54 |
+
"PlaceInRegToIob" : true,
|
| 55 |
+
"PlaceIoRegToIob" : true,
|
| 56 |
+
"PlaceOutRegToIob" : true,
|
| 57 |
+
"Place_Option" : "0",
|
| 58 |
+
"Process_Configuration_Verion" : "1.0",
|
| 59 |
+
"Promote_Physical_Constraint_Warning_to_Error" : true,
|
| 60 |
+
"READY" : false,
|
| 61 |
+
"RECONFIG_N" : false,
|
| 62 |
+
"Ram_RW_Check" : true,
|
| 63 |
+
"Replicate_Resources" : false,
|
| 64 |
+
"Report_Auto-Placed_Io_Information" : false,
|
| 65 |
+
"Route_Maxfan" : 23,
|
| 66 |
+
"Route_Option" : "1",
|
| 67 |
+
"Run_Timing_Driven" : true,
|
| 68 |
+
"SECURE_MODE" : false,
|
| 69 |
+
"SECURITY_BIT" : true,
|
| 70 |
+
"SEU_HANDLER" : false,
|
| 71 |
+
"SEU_HANDLER_CHECKSUM" : false,
|
| 72 |
+
"SEU_HANDLER_MODE" : "auto",
|
| 73 |
+
"SSPI" : true,
|
| 74 |
+
"STOP_SEU_HANDLER" : false,
|
| 75 |
+
"Show_All_Warnings" : false,
|
| 76 |
+
"Synthesize_tool" : "GowinSyn",
|
| 77 |
+
"TclPre" : "",
|
| 78 |
+
"TopModule" : "top",
|
| 79 |
+
"USERCODE" : "1337D00D",
|
| 80 |
+
"Unused_Pin" : "As_input_tri_stated_with_pull_up",
|
| 81 |
+
"VCCAUX" : "3.3",
|
| 82 |
+
"VCCX" : "3.3",
|
| 83 |
+
"VHDL_Standard" : "VHDL_Std_2008",
|
| 84 |
+
"Verilog_Standard" : "Vlg_Std_Sysv2017",
|
| 85 |
+
"WAKE_UP" : "0",
|
| 86 |
+
"show_all_warnings" : false,
|
| 87 |
+
"turn_off_bg" : false
|
| 88 |
+
}
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/board/evt1_x2/evt1_x2.sdc
ADDED
|
@@ -0,0 +1,34 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
create_generated_clock -name xclk2 -source [get_ports {CLK_FPGA}] -master_clock exclk -divide_by 1 -multiply_by 4 [get_pins {u_Gowin_PLL/PLLA_inst/CLKOUT0}]
|
| 2 |
+
create_generated_clock -name pclk -source [get_ports {CLK_FPGA}] -master_clock exclk -divide_by 1 -multiply_by 1 [get_pins {u_Gowin_PLL/PLLA_inst/CLKOUT1}]
|
| 3 |
+
create_generated_clock -name hclk -source [get_ports {CLK_FPGA}] -master_clock exclk -divide_by 2 -multiply_by 1 [get_pins {u_Gowin_PLL/PLLA_inst/CLKOUT2}]
|
| 4 |
+
create_generated_clock -name gclk -source [get_ports {CLK_FPGA}] -master_clock exclk -divide_by 4 -multiply_by 1 [get_pins {u_Gowin_PLL/PLLA_inst/CLKOUT3}]
|
| 5 |
+
create_generated_clock -name xclk -source [get_ports {CLK_FPGA}] -master_clock exclk -divide_by 1 -multiply_by 2 [get_pins {u_Gowin_PLL/PLLA_inst/CLKOUT4}]
|
| 6 |
+
|
| 7 |
+
create_clock -name sclk -period 25 [get_ports {QSPI_CLK}]
|
| 8 |
+
create_clock -name exclk -period 29.802322 [get_ports {CLK_FPGA}]
|
| 9 |
+
|
| 10 |
+
set_clock_groups -asynchronous -group [get_clocks {pclk}] -group [get_clocks {hclk}]
|
| 11 |
+
set_clock_groups -asynchronous -group [get_clocks {pclk}] -group [get_clocks {gclk}]
|
| 12 |
+
set_clock_groups -asynchronous -group [get_clocks {hclk}] -group [get_clocks {gclk}]
|
| 13 |
+
|
| 14 |
+
set_max_delay -from [get_ports {CART_D[*]}] -to [get_clocks {hclk}] 13
|
| 15 |
+
set_max_delay -from [get_clocks {hclk}] -to [get_ports {CART_A[*]}] 14
|
| 16 |
+
set_max_delay -from [get_clocks {hclk}] -to [get_ports {CART_WR}] 14
|
| 17 |
+
set_max_delay -from [get_clocks {hclk}] -to [get_ports {CART_RD}] 14
|
| 18 |
+
set_max_delay -from [get_clocks {hclk}] -to [get_ports {CART_CS}] 14
|
| 19 |
+
set_max_delay -from [get_clocks {hclk}] -to [get_ports {LINK_SD}] 14
|
| 20 |
+
set_max_delay -from [get_clocks {hclk}] -to [get_ports {CART_D[*]}] 14
|
| 21 |
+
|
| 22 |
+
create_clock -name ck24 -period 41.666667 -waveform {0 20.833333} [get_ports {CLK_24MHz}]
|
| 23 |
+
|
| 24 |
+
set_clock_groups -asynchronous -group [get_clocks {pclk}] -group [get_clocks {hclk}]
|
| 25 |
+
set_clock_groups -asynchronous -group [get_clocks {pclk}] -group [get_clocks {gclk}]
|
| 26 |
+
set_clock_groups -asynchronous -group [get_clocks {hclk}] -group [get_clocks {gclk}]
|
| 27 |
+
|
| 28 |
+
// USB Clocks
|
| 29 |
+
create_generated_clock -name PHY_CLKOUT -source [get_ports {CLK_24MHz}] -master_clock ck24 -divide_by 16 -multiply_by 40 [get_pins {u_usb_top/u_Gowin_PLL_USB/PLLA_inst/CLKOUT1}]
|
| 30 |
+
create_generated_clock -name fclk_960M -source [get_ports {CLK_24MHz}] -master_clock ck24 -divide_by 1 -multiply_by 40 [get_nets {u_usb_top/fclk_960M}]
|
| 31 |
+
create_generated_clock -name clk24p -source [get_ports {CLK_24MHz}] -master_clock ck24 -divide_by 1 -multiply_by 1 [get_pins {u_usb_top/u_Gowin_PLL_USB/PLLA_inst/CLKOUT2}]
|
| 32 |
+
create_clock -name usbintsclk -period 8 -waveform {0 4} [get_nets {u_usb_top/u_USB_SoftPHY_Top/usb2_0_softphy/u_usb_20_phy_utmi/u_usb2_0_softphy/u_usb_phy_hs/sclk}] -add
|
| 33 |
+
set_clock_groups -asynchronous -group [get_clocks {PHY_CLKOUT}] -group [get_clocks {fclk_960M}]
|
| 34 |
+
set_clock_groups -asynchronous -group [get_clocks {PHY_CLKOUT}] -group [get_clocks {usbintsclk}]
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/fifo1k/fifo1k.v
ADDED
|
@@ -0,0 +1,642 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
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|
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|
| 1 |
+
//
|
| 2 |
+
//Written by GowinSynthesis
|
| 3 |
+
//Tool Version "V1.9.9 (64-bit)"
|
| 4 |
+
//Sat Feb 24 20:59:00 2024
|
| 5 |
+
|
| 6 |
+
//Source file index table:
|
| 7 |
+
//file0 "\C:/gh/Experimental1/esp32t/src/fifo1k/temp/FIFO/fifo_define.v"
|
| 8 |
+
//file1 "\C:/gh/Experimental1/esp32t/src/fifo1k/temp/FIFO/fifo_parameter.v"
|
| 9 |
+
//file2 "\C:/Gowin/Gowin_V1.9.9_x64/IDE/ipcore/FIFO/data/edc.v"
|
| 10 |
+
//file3 "\C:/Gowin/Gowin_V1.9.9_x64/IDE/ipcore/FIFO/data/fifo.v"
|
| 11 |
+
//file4 "\C:/Gowin/Gowin_V1.9.9_x64/IDE/ipcore/FIFO/data/fifo_top.v"
|
| 12 |
+
`timescale 100 ps/100 ps
|
| 13 |
+
`pragma protect begin_protected
|
| 14 |
+
`pragma protect version="2.3"
|
| 15 |
+
`pragma protect author="default"
|
| 16 |
+
`pragma protect author_info="default"
|
| 17 |
+
`pragma protect encrypt_agent="GOWIN"
|
| 18 |
+
`pragma protect encrypt_agent_info="GOWIN Encrypt Version 2.3"
|
| 19 |
+
|
| 20 |
+
`pragma protect encoding=(enctype="base64", line_length=76, bytes=256)
|
| 21 |
+
`pragma protect key_keyowner="GOWIN",key_keyname="GWK2023-09",key_method="rsa"
|
| 22 |
+
`pragma protect key_block
|
| 23 |
+
agRQjXaqnlxj1I23WV89ifd8tJyCShyjSY4mC+CuxmW0lVJnGLoZmv55Hw9LpOiKlJiQVjHmKwxl
|
| 24 |
+
5p9cY/0RXhjU7r6QPRq48IQo17/imUCgK2yhmlcewi9M2D6Nn4nFU8vkW9CHhbBDjEUpyel62HAD
|
| 25 |
+
mUSiI3nt2/QmHtdV3ZWM0i20xOdyNWHJM3UclvCVN9fyxGra+bhGUB4QUD6eebtRASB3CDK2APWD
|
| 26 |
+
jjv1E1wMc3TrBX9UuucmEkmuBy6nLg33qFz+1u32tBEKwsVUNMdZNkxfulxVua6LfrjV1Jyg2eI2
|
| 27 |
+
3su5rM8b81AHIfrV0AAaouv2Ggo0x+/n5GzfEg==
|
| 28 |
+
|
| 29 |
+
`pragma protect encoding=(enctype="base64", line_length=76, bytes=31776)
|
| 30 |
+
`pragma protect data_keyowner="default-ip-vendor"
|
| 31 |
+
`pragma protect data_keyname="default-ip-key"
|
| 32 |
+
`pragma protect data_method="aes128-cfb"
|
| 33 |
+
`pragma protect data_block
|
| 34 |
+
NkA8qi1wsYUw6AOcAXafPfifaUimR5DGReK0spUFmRXUYf2oEAeQGRakjjSTjPt9kqF3ftRLH9Lh
|
| 35 |
+
c8At/XhS2CaLnBxducUAXDvIgPcJ3+zyHHk3phg+OwbIqw7F71+3tfjn1c1Eu0aR6yUC142Uxl45
|
| 36 |
+
IvuLwpJbY0vPdL2te1nY2pspcZ1bGKxqgtbZzhEWEqA+Xjx2jRm4xrd1mi5OD78VAY6ITP+Ajz4R
|
| 37 |
+
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|
| 38 |
+
Pv6wmh/iYE/MLXJBJSQG7J4SguSIb18uY8bHBy6BQXQRkP9PnSJV0A/PI4QSqUyBw5s2Q9+9p7lg
|
| 39 |
+
2hwAwQCRQWy4y0cxYW6I7DdSbJgn2rqEF7+eOCpnuCI0OnQp3PVKYsMvFFCZYQB3p4CoA39iUwjo
|
| 40 |
+
0qxzBr0iRmVEKXQcxYHWOphs2bOwS5GY7mq0/7vgS+0ezyxJw3dcMBmsc3FzIKWj8Ogh+8hz92it
|
| 41 |
+
o6K0cMHVgnSqSBLFOUbAlYVJ8NmMC+EY56UK2Bl6Srt5zI9gyOzoyNryXXqsmppGhcFKSQDG1w7c
|
| 42 |
+
zKXnFtcrmPm/OfMJQHd7yvFXbkV0Ml8qTawmzI6AB1OwEcSnrttjGFxPdi4liIJY2g3Tx0UWNR4w
|
| 43 |
+
B8qVVxN64GoQ+ACc1+znQwSv8lvdPlwNEq7VURg5QwlNKiLiB+OsPo3MpGZZdWCDZPDc2Rnqv/mh
|
| 44 |
+
yMd/xqUyL2fpopzCY0mrgxRqj+bCm71CWf1O/aM2VCIAUOk7XV+r7YBF4uvvybLkrdUwuBNa3tf4
|
| 45 |
+
OhfxHo15danUfGILnYOdMW1QYG1/VqLkHC/CJQj45huu8iTE2rpd5FZ5tGmHXLlgqudIfqhCOCsV
|
| 46 |
+
XJOSGfonQ/Celv2SUXJ5xRbpePylgacvafkfTcGpulysQPnsC2MNCJKc2XEqAsakIj3adV5PjAMr
|
| 47 |
+
D5UhNgJEI5WnsRVOn6a56zT04p5OlyKWMjsRxFJd3MFt6wG6GaQOSIwSW1FujynE6wGVHjdvfeZt
|
| 48 |
+
aZtOMzCw8styHJ3olc/wN/vfD5CtGK4v+N9zMecd9NvqSN9zU+GIw1H/evvdsMlYG63QE5DEx/c5
|
| 49 |
+
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|
| 50 |
+
RzZlmlGbIfLzTFdZ3cytJRtDV12ZGcEl6aRDUGMTnCzu9OUcUkRgtZDcvoeloUUpE3Q/WwZo83Aa
|
| 51 |
+
ycHSkH1QV1cb+1/PmvjONo2HQKZUXDlwo7FKziY39vWL0RNkGfE1ttT1RHp7lqoWtV4qMiU5WwR4
|
| 52 |
+
Cfz00dbEo6RDL/T6CFaAHnNZlvNTzEiu80nXRSSE42naLwdQZcZYxt3Mh1h4iAHjULbzp3Fny4WB
|
| 53 |
+
qc20uVvYMryVVs941t0TSfjr+ZtgqAv1xevb5qnBtxOu1GovXW41jiaPf/c5OxeYM2hJLrjoEVGA
|
| 54 |
+
x0HltfaLglOAQNzfNuLTQJlbGmGYHBQEQlOhNG8x8kyOsbvtaSxPaNHnPxbTiY8vQumVmkJ9rx3r
|
| 55 |
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|
| 56 |
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7+oU99xgxS5KinlzFhl7mFYo28g3D6HSz0yW7ysvM34c7xl48UQ5/5JV4yVNrslTrNOoQ+jZ5TqR
|
| 57 |
+
9vxnNE9LPPcTOsmH04RVxEH0G4l+dtgvmnd9oapqmUEO9NXBsuCe9g9KvHIYiUWQUxOKQ3TwbjDh
|
| 58 |
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|
| 59 |
+
FYhZiVLcn/o3VwrYV9wbODCu4SNKBwiQz0zwuIepiPXWI/1zKlD5qbWZ09gO9QhpcIsLMwT4GHhI
|
| 60 |
+
VtFgeqcf+FmWiQpeSI4arXX1XBm6c98tPPR+itJj54/HnQMk4wxW/luBhKqKT1MPrUuPIgif31O3
|
| 61 |
+
SLtg6M/bGNCoNgiOClKuNEl341LJBXWCy1BmPLgr/bsJxVjliOQ/PpNxJEV81ygjXhx80LKdR37+
|
| 62 |
+
s4B7yjCBUlBfm7+rea+hQ8xjdtjvw1lhc7E7QDHG5VpThnQCHT81Xuzhve88SPldyFBItumIgWYs
|
| 63 |
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Wcii+MJ+YX3ZOv2uoadF3f7HHt0iaJpVPWGOoymQRQyeRU22bky9okzjEX9wCQMWdMDu/Q9gL4Ec
|
| 64 |
+
MAqwX+VVTbQhZwOpUFrDr6EIaedOo2EslPcJ5H6Nf6GezHA909tq6Gh2quP/hsBjQzvqNcZ3PmQc
|
| 65 |
+
6hNJ33E7RGVWrnK++3j4jqSv6N0mlzoREfxXn0JSW0FibhwxKu74TC7oneWZUw1VNyCIuZBVxbBL
|
| 66 |
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0f+pyaDryv6BOwTwsSJJzW08LPYI0Xqyr5YOky1G16mONFbGzAFXQit4EeqG34XM5JcteAzpBldW
|
| 67 |
+
TsBO7ss2nEFljZkxE+6lUQZy6iZfMxYwx7VxoZV2v/9IEnLC5XB3qyOTSnNOsgW9e1IBbLHC7Ws3
|
| 68 |
+
eRcWgvNfi0y6ju4ayfYlOrUblOPDeh71Eq9B8oTz1Qe/E+bs5s8xMvTBk7BAswvCMh2NbCV+qH0Z
|
| 69 |
+
FpixmNNU7FaW2RiCYhwcrLRhAj/AmLMhmfKbpyxElW23dUebqdI6yntJIy1GfT8cPL7N+7guLxCf
|
| 70 |
+
IQoyq7FH73vi3cPO0vn84GKX9lbMZwQPNYmgQnmhevGUKUx665XioKYP5wEuzq9qPimaRig/TNBM
|
| 71 |
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74U16Z6d3Oj/CloXLObDEBscaoGJ5BAkcrZJRrw1YftVejHQ09Y5R4fW9rtZEvktRIP9xZ1D0WXT
|
| 72 |
+
AMNmJh5VXJLTp/DJ3k4eIDLwI6alcXoSi7k5XeSDKBWibBkWeIuc9JMZzIdqG780GQ8DZAJKpjeL
|
| 73 |
+
KUEn+xssbiIAowBgwUn08kdMMt2xCjHn4d8JuFRzFfng/B8jgUmOYD993D76OjtKQxmzKFGMCA0g
|
| 74 |
+
rnars1JYZ15+8NphOR3JdeVIi+lPSz9EM2VE1ilpIWFQ1p8xaGwtjsBoMM8mTTmbGlNI2F/2J5hT
|
| 75 |
+
Zt9qIemyfzNrfhJ6pisyRY1rgBNnb3lPF1jAqHq4udxQucDTINtqdota9ny/i0LBl5r0ikKNyg0M
|
| 76 |
+
XnzYZV4pWHmNh+wt2/RYLnQfdHbeHacN95WfpA5CXFA3tTtVzh8RHU7NPIos6C6ZM0zLXgQCtf4S
|
| 77 |
+
EHPwLPVfptNs2Zp5v4RHPVPePIPzV7YZbp6RNJCS3CTXfWwiawpevAuUKIRx2e4c1Xp92zlP3BAZ
|
| 78 |
+
hPOvgQXMwjlKfegRZFBmPhmkfpPUH5SRWII6tVKbMakBDmE8FQLGeiEUiBrjXdyUuA6vRpkMuCXu
|
| 79 |
+
J+pKBhqWiHk1M25VshbDMAC2pIlxCJbox/DRCNVgL9Qcx6RhgSvEkPxsQjeQR5hzSbx17OmTIMo+
|
| 80 |
+
J7ftfiuQ/I7YcVV9j45mEG7lAMFsINRV/Xa8YVL5ACcmMWIaneKqfaBr13j453d/FlRIsj7otmAN
|
| 81 |
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4ybUuKTSpVazWJ/0yM+tsVtIXPnpbFo79qHDPxPbgbYMcJQo9742la4bnB/5nFbBrG6a6wMkiRNz
|
| 82 |
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11OY/bwtInzxmHQ5QcumhxUKFdQmd/lqfzigdwRGhqs7JiwmAvCQyStX020Nd/S2z4ihZ5biZORw
|
| 83 |
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ZAupPBkdXBTAPnNeCWQZGqdBkInkvIy54oCV78aBnbvz+hY94/0CqGujYkcQNxowjtGYjSs/e6XL
|
| 84 |
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EOeusHA4IZ9nB3NCa5dsd+JeNH61US6AaYpaLtHaBwi7VJ3XnZL7n1WmF6Egp04VH1lKX08FJn13
|
| 85 |
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VTP5LAkgLe/DxE2Dcs/hLe5MDmP9RE3ykoPJU9e423ErD4SLs0OWxYAzr0YmWUFT44OrVb0SXaY4
|
| 86 |
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8iYxtWRgoe4vttBezwVa+Tevdp57n6pwKia2OPAPmPKlhalJbZ54Fooz3GPaaaeT8v2lYVzWT9+L
|
| 87 |
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kn9GZLb0ApCpIZGg+yZ+SEkPMTG9rRSo4WQoRmOoQ6i1AA8Ettp66J5RTNOQr3ZY/lqQwN97UviP
|
| 88 |
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N4Ykjpw4e1khcyxf55psE2pzzN23q63/XPl353oi1doCIhgYuWFeJPUl6+nAqLXuJdHTCyZrZ8U4
|
| 89 |
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sjdozBy/wlQoRZtdEVQHjUJdAf6FvoP73nupp4fvGQ2iaW4E5ojNec3cSAlPEYd8D6XFSzEIoSbw
|
| 90 |
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hVZxrJzt1rfFJgovsuPnMFHdDGTyHLEXNbJ+5gMVINa4plpy6KdV4h+kQKTOfhcwGys8JMkiwXmi
|
| 91 |
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| 92 |
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|
| 93 |
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pK49w7JK+07N4vsrgaGkhBbDKgtYcwny28SYpPFFYiGyi7YNjM0bmHJmg1fedcLnXhAIVS53l0pN
|
| 94 |
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| 95 |
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| 96 |
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| 97 |
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| 98 |
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| 99 |
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QTldJwWKwOVDN/dSqXfVhUn/AnX6VY0n7xF1LLzMQynriCbxmnTpOSRoBOZpVOWLQJH0voeMEcFC
|
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| 571 |
+
ZpNyyuLgGMDB2WgXOxHFnSzHhWQpLCGgJI0J3hcTlnBnz3u/8a7EF8Cuo9ovlgLEjx4yRUjASJtR
|
| 572 |
+
Z5gLcrphgKsPmApuwrNyyW/IJ8plVWxZa/ZiDoxkdh0deoy5SGC5yXnS7Q74vfYg/cSF7k1Z0uOj
|
| 573 |
+
xsyFA4i7yZBKZp2umSDXgDLUn/EjJfOQvAi6Vva2y9qjPsdyBo/ftQYkXDUisy/AoO7MCj3Y+IS9
|
| 574 |
+
pcUMY1R5n/yhh/oLTJtxqOuQ+DkCwbDDxT+fgjsr9zry5Kswx8KqV5+dg66goIp9HoQHXwZipiKM
|
| 575 |
+
YLkZYUh6j5/Ayi0VuCab4VAko7YSpoOpQIzXvk8tz6Iy6exLrYXy0oOvx5S+336PLFimMLwoRkHI
|
| 576 |
+
4/vnf1iq4rLERoB9aJqzX/DJzJJvApiukr+tutGokHrb7LdD834rNecH6/Oe0CRTMXrRD3K+QxWP
|
| 577 |
+
OsWE7Esht1MEFi017fHfDCTeYHmePj5nJT90THfdm6z7OoB0wRSMMQVk/qfHHc9Ko4EmlFns/cJ8
|
| 578 |
+
kb4Jne9sQQLkV+EnN4hSmElq0G4AOkJwl8NSZacTeQq+mX9H1gpMB+B1eW2tVa80w2UWYalyqFsO
|
| 579 |
+
3kmCHcBsBZVMrmjj7cvRsDeNaYnLxTUYxG/RxDHooCxrOqZTLADCEXRgmrg/y0yUE5ldEu2NsT76
|
| 580 |
+
1vthdRhqvSdW1GtO1gUCBu0NDEaM3dWHwi/JNOpSW7CEhOTY7xYKwCC3uRrf8HuySHkGDjtbWNrN
|
| 581 |
+
S9wKioZ4r1FKSO+EmISstDHpLx5o9Zc5svulfMjOcOnFu4TNuq4MRBInbw2uPUmPCKKQi/dqVJ8h
|
| 582 |
+
M1E5LLvahEE6duLCIEpPN94XI2K1jADi9jpiPbrrkSLycKWachRlPjWAjaBTXDEOsmud8lBnmAHD
|
| 583 |
+
WJWC2dwN/hcE7LL8bt3C3+mz3dNqxXKkNo0+avJkC+HOnxZI5sR9/ZGarQSuQYGJ/JFxHWaWRQeo
|
| 584 |
+
58iyiQyKCqS1fqtinV9xblO6A526zExniCMW8NbdBuC7D8CtNIvjk8TqEZtWpLRuvVmJwEMV6boV
|
| 585 |
+
h5sAyXmIUyVP28EUbw1XE3yWha45qKG+LZydTrPYJJTMachhHIWbR3ISsDMPr9kfFuEDn0Z4MAFG
|
| 586 |
+
FnG0QGMT31HqDAIMBz/D74EmYwUAXI4jifYrBWvQJM/X7/9plAaEscnzykrsFBE67QWDog75TQPp
|
| 587 |
+
4d1OaBWidIlVmaxeGJRv1VMWcNi2tHOKrfP6g4s6QO+nNr60Yg5UdZGxgSgp6CT+3uAjUaZtjKqX
|
| 588 |
+
U9aQvOHDYhCsmHE1tGQNgFrmRHHQSYmS71lX2ChbHkNt5DSjh1CXaGCRXO2iYrB9voC59MthK7x6
|
| 589 |
+
yUVNABnJftDZgrTqXwOu6Ib7SZ+/z5EoaRn9MA+WBC5hsYv6hBG2QpPOruoApqzP+fWOYf5Wh/JZ
|
| 590 |
+
hgQI5ZFDI/1xWTP8DxFfORuAfBbg/rOXBFCWC3xH3TGcJbOo9S8U3OJ9pQLbgzmYjS61tJqkSK10
|
| 591 |
+
W27XcQsRC4ljufS/llO9EfkrVth+iGxghCtW
|
| 592 |
+
`pragma protect end_protected
|
| 593 |
+
module fifo1k (
|
| 594 |
+
Data,
|
| 595 |
+
WrReset,
|
| 596 |
+
RdReset,
|
| 597 |
+
WrClk,
|
| 598 |
+
RdClk,
|
| 599 |
+
WrEn,
|
| 600 |
+
RdEn,
|
| 601 |
+
Almost_Full,
|
| 602 |
+
Q,
|
| 603 |
+
Empty,
|
| 604 |
+
Full
|
| 605 |
+
)
|
| 606 |
+
;
|
| 607 |
+
input [15:0] Data;
|
| 608 |
+
input WrReset;
|
| 609 |
+
input RdReset;
|
| 610 |
+
input WrClk;
|
| 611 |
+
input RdClk;
|
| 612 |
+
input WrEn;
|
| 613 |
+
input RdEn;
|
| 614 |
+
output Almost_Full;
|
| 615 |
+
output [15:0] Q;
|
| 616 |
+
output Empty;
|
| 617 |
+
output Full;
|
| 618 |
+
wire VCC;
|
| 619 |
+
wire GND;
|
| 620 |
+
\~fifo.fifo1k fifo_inst (
|
| 621 |
+
.RdClk(RdClk),
|
| 622 |
+
.RdReset(RdReset),
|
| 623 |
+
.WrClk(WrClk),
|
| 624 |
+
.WrReset(WrReset),
|
| 625 |
+
.WrEn(WrEn),
|
| 626 |
+
.RdEn(RdEn),
|
| 627 |
+
.Data(Data[15:0]),
|
| 628 |
+
.Full(Full),
|
| 629 |
+
.Almost_Full(Almost_Full),
|
| 630 |
+
.Empty(Empty),
|
| 631 |
+
.Q(Q[15:0])
|
| 632 |
+
);
|
| 633 |
+
VCC VCC_cZ (
|
| 634 |
+
.V(VCC)
|
| 635 |
+
);
|
| 636 |
+
GND GND_cZ (
|
| 637 |
+
.G(GND)
|
| 638 |
+
);
|
| 639 |
+
GSR GSR (
|
| 640 |
+
.GSRI(VCC)
|
| 641 |
+
);
|
| 642 |
+
endmodule /* fifo1k */
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/gowin_adc/gowin_adc.v
ADDED
|
@@ -0,0 +1,60 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
//Copyright (C)2014-2023 Gowin Semiconductor Corporation.
|
| 2 |
+
//All rights reserved.
|
| 3 |
+
//File Title: IP file
|
| 4 |
+
//GOWIN Version: V1.9.9 Beta-4
|
| 5 |
+
//Part Number: GW5A-EV25UG256CES
|
| 6 |
+
//Device: GW5A-25
|
| 7 |
+
//Device Version: A
|
| 8 |
+
//Created Time: Tue Oct 31 16:08:09 2023
|
| 9 |
+
|
| 10 |
+
module Gowin_ADC (adcrdy, adcvalue, mdrp_rdata, vsenctl, adcen, clk, drstn, adcreqi, adcmode, mdrp_clk, mdrp_wdata, mdrp_a_inc, mdrp_opcode);
|
| 11 |
+
|
| 12 |
+
output adcrdy;
|
| 13 |
+
output [13:0] adcvalue;
|
| 14 |
+
output [7:0] mdrp_rdata;
|
| 15 |
+
input [2:0] vsenctl;
|
| 16 |
+
input adcen;
|
| 17 |
+
input clk;
|
| 18 |
+
input drstn;
|
| 19 |
+
input adcreqi;
|
| 20 |
+
input adcmode;
|
| 21 |
+
input mdrp_clk;
|
| 22 |
+
input [7:0] mdrp_wdata;
|
| 23 |
+
input mdrp_a_inc;
|
| 24 |
+
input [1:0] mdrp_opcode;
|
| 25 |
+
|
| 26 |
+
ADC adc_inst (
|
| 27 |
+
.ADCRDY(adcrdy),
|
| 28 |
+
.ADCVALUE(adcvalue),
|
| 29 |
+
.MDRP_RDATA(mdrp_rdata),
|
| 30 |
+
.VSENCTL(vsenctl),
|
| 31 |
+
.ADCEN(adcen),
|
| 32 |
+
.CLK(clk),
|
| 33 |
+
.DRSTN(drstn),
|
| 34 |
+
.ADCREQI(adcreqi),
|
| 35 |
+
.ADCMODE(adcmode),
|
| 36 |
+
.MDRP_CLK(mdrp_clk),
|
| 37 |
+
.MDRP_WDATA(mdrp_wdata),
|
| 38 |
+
.MDRP_A_INC(mdrp_a_inc),
|
| 39 |
+
.MDRP_OPCODE(mdrp_opcode)
|
| 40 |
+
);
|
| 41 |
+
|
| 42 |
+
defparam adc_inst.CLK_SEL = 1'b0;
|
| 43 |
+
defparam adc_inst.DIV_CTL = 2'd0;
|
| 44 |
+
defparam adc_inst.BUF_EN = 12'b010000001001;
|
| 45 |
+
defparam adc_inst.BUF_BK0_VREF_EN = 1'b0;
|
| 46 |
+
defparam adc_inst.BUF_BK1_VREF_EN = 1'b0;
|
| 47 |
+
defparam adc_inst.BUF_BK2_VREF_EN = 1'b0;
|
| 48 |
+
defparam adc_inst.BUF_BK3_VREF_EN = 1'b0;
|
| 49 |
+
defparam adc_inst.BUF_BK4_VREF_EN = 1'b0;
|
| 50 |
+
defparam adc_inst.BUF_BK5_VREF_EN = 1'b0;
|
| 51 |
+
defparam adc_inst.BUF_BK6_VREF_EN = 1'b0;
|
| 52 |
+
defparam adc_inst.BUF_BK7_VREF_EN = 1'b0;
|
| 53 |
+
defparam adc_inst.CSR_ADC_MODE = 1'b1;
|
| 54 |
+
defparam adc_inst.CSR_VSEN_CTRL = 3'd0;
|
| 55 |
+
defparam adc_inst.CSR_SAMPLE_CNT_SEL = 3'd4;
|
| 56 |
+
defparam adc_inst.CSR_RATE_CHANGE_CTRL = 3'd4;
|
| 57 |
+
defparam adc_inst.CSR_FSCAL = 10'd653;
|
| 58 |
+
defparam adc_inst.CSR_OFFSET = 12'd0;
|
| 59 |
+
|
| 60 |
+
endmodule //Gowin_ADC
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/gowin_pll_preevt/gowin_pll.v
ADDED
|
@@ -0,0 +1,138 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
//Copyright (C)2014-2024 Gowin Semiconductor Corporation.
|
| 2 |
+
//All rights reserved.
|
| 3 |
+
//File Title: IP file
|
| 4 |
+
//Tool Version: V1.9.9.02
|
| 5 |
+
//Part Number: GW5A-EV25UG256CES
|
| 6 |
+
//Device: GW5A-25
|
| 7 |
+
//Device Version: A
|
| 8 |
+
//Created Time: Wed Apr 24 22:27:40 2024
|
| 9 |
+
|
| 10 |
+
module Gowin_PLL (lock, clkout0, clkout1, clkout2, clkout3, clkout4, clkin, reset);
|
| 11 |
+
|
| 12 |
+
output lock;
|
| 13 |
+
output clkout0;
|
| 14 |
+
output clkout1;
|
| 15 |
+
output clkout2;
|
| 16 |
+
output clkout3;
|
| 17 |
+
output clkout4;
|
| 18 |
+
input clkin;
|
| 19 |
+
input reset;
|
| 20 |
+
|
| 21 |
+
wire clkout5;
|
| 22 |
+
wire clkout6;
|
| 23 |
+
wire clkfbout;
|
| 24 |
+
wire [7:0] mdrdo;
|
| 25 |
+
wire gw_gnd;
|
| 26 |
+
|
| 27 |
+
assign gw_gnd = 1'b0;
|
| 28 |
+
|
| 29 |
+
PLLA PLLA_inst (
|
| 30 |
+
.LOCK(lock),
|
| 31 |
+
.CLKOUT0(clkout0),
|
| 32 |
+
.CLKOUT1(clkout1),
|
| 33 |
+
.CLKOUT2(clkout2),
|
| 34 |
+
.CLKOUT3(clkout3),
|
| 35 |
+
.CLKOUT4(clkout4),
|
| 36 |
+
.CLKOUT5(clkout5),
|
| 37 |
+
.CLKOUT6(clkout6),
|
| 38 |
+
.CLKFBOUT(clkfbout),
|
| 39 |
+
.MDRDO(mdrdo),
|
| 40 |
+
.CLKIN(clkin),
|
| 41 |
+
.CLKFB(gw_gnd),
|
| 42 |
+
.RESET(reset),
|
| 43 |
+
.PLLPWD(gw_gnd),
|
| 44 |
+
.RESET_I(gw_gnd),
|
| 45 |
+
.RESET_O(gw_gnd),
|
| 46 |
+
.PSSEL({gw_gnd,gw_gnd,gw_gnd}),
|
| 47 |
+
.PSDIR(gw_gnd),
|
| 48 |
+
.PSPULSE(gw_gnd),
|
| 49 |
+
.SSCPOL(gw_gnd),
|
| 50 |
+
.SSCON(gw_gnd),
|
| 51 |
+
.SSCMDSEL({gw_gnd,gw_gnd,gw_gnd,gw_gnd,gw_gnd,gw_gnd,gw_gnd}),
|
| 52 |
+
.SSCMDSEL_FRAC({gw_gnd,gw_gnd,gw_gnd}),
|
| 53 |
+
.MDCLK(gw_gnd),
|
| 54 |
+
.MDOPC({gw_gnd,gw_gnd}),
|
| 55 |
+
.MDAINC(gw_gnd),
|
| 56 |
+
.MDWDI({gw_gnd,gw_gnd,gw_gnd,gw_gnd,gw_gnd,gw_gnd,gw_gnd,gw_gnd})
|
| 57 |
+
);
|
| 58 |
+
|
| 59 |
+
defparam PLLA_inst.FCLKIN = "33.554";
|
| 60 |
+
defparam PLLA_inst.IDIV_SEL = 1;
|
| 61 |
+
defparam PLLA_inst.FBDIV_SEL = 1;
|
| 62 |
+
defparam PLLA_inst.ODIV0_SEL = 6;
|
| 63 |
+
defparam PLLA_inst.ODIV1_SEL = 24;
|
| 64 |
+
defparam PLLA_inst.ODIV2_SEL = 48;
|
| 65 |
+
defparam PLLA_inst.ODIV3_SEL = 96;
|
| 66 |
+
defparam PLLA_inst.ODIV4_SEL = 12;
|
| 67 |
+
defparam PLLA_inst.ODIV5_SEL = 8;
|
| 68 |
+
defparam PLLA_inst.ODIV6_SEL = 8;
|
| 69 |
+
defparam PLLA_inst.MDIV_SEL = 24;
|
| 70 |
+
defparam PLLA_inst.MDIV_FRAC_SEL = 0;
|
| 71 |
+
defparam PLLA_inst.ODIV0_FRAC_SEL = 0;
|
| 72 |
+
defparam PLLA_inst.CLKOUT0_EN = "TRUE";
|
| 73 |
+
defparam PLLA_inst.CLKOUT1_EN = "TRUE";
|
| 74 |
+
defparam PLLA_inst.CLKOUT2_EN = "TRUE";
|
| 75 |
+
defparam PLLA_inst.CLKOUT3_EN = "TRUE";
|
| 76 |
+
defparam PLLA_inst.CLKOUT4_EN = "TRUE";
|
| 77 |
+
defparam PLLA_inst.CLKOUT5_EN = "FALSE";
|
| 78 |
+
defparam PLLA_inst.CLKOUT6_EN = "FALSE";
|
| 79 |
+
defparam PLLA_inst.CLKFB_SEL = "INTERNAL";
|
| 80 |
+
defparam PLLA_inst.CLKOUT0_DT_DIR = 1'b1;
|
| 81 |
+
defparam PLLA_inst.CLKOUT1_DT_DIR = 1'b1;
|
| 82 |
+
defparam PLLA_inst.CLKOUT2_DT_DIR = 1'b1;
|
| 83 |
+
defparam PLLA_inst.CLKOUT3_DT_DIR = 1'b1;
|
| 84 |
+
defparam PLLA_inst.CLKOUT0_DT_STEP = 0;
|
| 85 |
+
defparam PLLA_inst.CLKOUT1_DT_STEP = 0;
|
| 86 |
+
defparam PLLA_inst.CLKOUT2_DT_STEP = 0;
|
| 87 |
+
defparam PLLA_inst.CLKOUT3_DT_STEP = 0;
|
| 88 |
+
defparam PLLA_inst.CLK0_IN_SEL = 1'b0;
|
| 89 |
+
defparam PLLA_inst.CLK0_OUT_SEL = 1'b0;
|
| 90 |
+
defparam PLLA_inst.CLK1_IN_SEL = 1'b0;
|
| 91 |
+
defparam PLLA_inst.CLK1_OUT_SEL = 1'b0;
|
| 92 |
+
defparam PLLA_inst.CLK2_IN_SEL = 1'b0;
|
| 93 |
+
defparam PLLA_inst.CLK2_OUT_SEL = 1'b0;
|
| 94 |
+
defparam PLLA_inst.CLK3_IN_SEL = 1'b0;
|
| 95 |
+
defparam PLLA_inst.CLK3_OUT_SEL = 1'b0;
|
| 96 |
+
defparam PLLA_inst.CLK4_IN_SEL = 2'b00;
|
| 97 |
+
defparam PLLA_inst.CLK4_OUT_SEL = 1'b0;
|
| 98 |
+
defparam PLLA_inst.CLK5_IN_SEL = 1'b0;
|
| 99 |
+
defparam PLLA_inst.CLK5_OUT_SEL = 1'b0;
|
| 100 |
+
defparam PLLA_inst.CLK6_IN_SEL = 1'b0;
|
| 101 |
+
defparam PLLA_inst.CLK6_OUT_SEL = 1'b0;
|
| 102 |
+
defparam PLLA_inst.DYN_DPA_EN = "FALSE";
|
| 103 |
+
defparam PLLA_inst.CLKOUT0_PE_COARSE = 0;
|
| 104 |
+
defparam PLLA_inst.CLKOUT0_PE_FINE = 0;
|
| 105 |
+
defparam PLLA_inst.CLKOUT1_PE_COARSE = 0;
|
| 106 |
+
defparam PLLA_inst.CLKOUT1_PE_FINE = 0;
|
| 107 |
+
defparam PLLA_inst.CLKOUT2_PE_COARSE = 0;
|
| 108 |
+
defparam PLLA_inst.CLKOUT2_PE_FINE = 0;
|
| 109 |
+
defparam PLLA_inst.CLKOUT3_PE_COARSE = 0;
|
| 110 |
+
defparam PLLA_inst.CLKOUT3_PE_FINE = 0;
|
| 111 |
+
defparam PLLA_inst.CLKOUT4_PE_COARSE = 0;
|
| 112 |
+
defparam PLLA_inst.CLKOUT4_PE_FINE = 0;
|
| 113 |
+
defparam PLLA_inst.CLKOUT5_PE_COARSE = 0;
|
| 114 |
+
defparam PLLA_inst.CLKOUT5_PE_FINE = 0;
|
| 115 |
+
defparam PLLA_inst.CLKOUT6_PE_COARSE = 0;
|
| 116 |
+
defparam PLLA_inst.CLKOUT6_PE_FINE = 0;
|
| 117 |
+
defparam PLLA_inst.DYN_PE0_SEL = "FALSE";
|
| 118 |
+
defparam PLLA_inst.DYN_PE1_SEL = "FALSE";
|
| 119 |
+
defparam PLLA_inst.DYN_PE2_SEL = "FALSE";
|
| 120 |
+
defparam PLLA_inst.DYN_PE3_SEL = "FALSE";
|
| 121 |
+
defparam PLLA_inst.DYN_PE4_SEL = "FALSE";
|
| 122 |
+
defparam PLLA_inst.DYN_PE5_SEL = "FALSE";
|
| 123 |
+
defparam PLLA_inst.DYN_PE6_SEL = "FALSE";
|
| 124 |
+
defparam PLLA_inst.DE0_EN = "FALSE";
|
| 125 |
+
defparam PLLA_inst.DE1_EN = "FALSE";
|
| 126 |
+
defparam PLLA_inst.DE2_EN = "FALSE";
|
| 127 |
+
defparam PLLA_inst.DE3_EN = "FALSE";
|
| 128 |
+
defparam PLLA_inst.DE4_EN = "FALSE";
|
| 129 |
+
defparam PLLA_inst.DE5_EN = "FALSE";
|
| 130 |
+
defparam PLLA_inst.DE6_EN = "FALSE";
|
| 131 |
+
defparam PLLA_inst.RESET_I_EN = "FALSE";
|
| 132 |
+
defparam PLLA_inst.RESET_O_EN = "FALSE";
|
| 133 |
+
defparam PLLA_inst.ICP_SEL = 6'bXXXXXX;
|
| 134 |
+
defparam PLLA_inst.LPF_RES = 3'bXXX;
|
| 135 |
+
defparam PLLA_inst.LPF_CAP = 2'b00;
|
| 136 |
+
defparam PLLA_inst.SSC_EN = "FALSE";
|
| 137 |
+
|
| 138 |
+
endmodule //Gowin_PLL
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/MultiPortRamCtrl.vhd
ADDED
|
@@ -0,0 +1,219 @@
|
|
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|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
-----------------------------------------------------------------
|
| 2 |
+
--------------- MultiPortPSRAM Package -------------------------
|
| 3 |
+
-----------------------------------------------------------------
|
| 4 |
+
|
| 5 |
+
library IEEE;
|
| 6 |
+
use IEEE.std_logic_1164.all;
|
| 7 |
+
use IEEE.numeric_std.all;
|
| 8 |
+
|
| 9 |
+
package pMultiPortPSRAM is
|
| 10 |
+
|
| 11 |
+
constant RAMPORTCOUNT : integer := 5;
|
| 12 |
+
|
| 13 |
+
type tRAMIn_request is array(0 to RAMPORTCOUNT - 1) of std_logic;
|
| 14 |
+
type tRAMIn_RnW is array(0 to RAMPORTCOUNT - 1) of std_logic;
|
| 15 |
+
type tRAMIn_addr is array(0 to RAMPORTCOUNT - 1) of std_logic_vector(22 downto 0);
|
| 16 |
+
type tRAMIn_din is array(0 to RAMPORTCOUNT - 1) of std_logic_vector(15 downto 0);
|
| 17 |
+
type tRAMIn_burst_length is array(0 to RAMPORTCOUNT - 1) of unsigned(10 downto 0);
|
| 18 |
+
|
| 19 |
+
type tRAMOut_writeNext is array(0 to RAMPORTCOUNT - 1) of std_logic;
|
| 20 |
+
type tRAMOut_done is array(0 to RAMPORTCOUNT - 1) of std_logic;
|
| 21 |
+
type tRAMOut_dout_valid is array(0 to RAMPORTCOUNT - 1) of std_logic;
|
| 22 |
+
|
| 23 |
+
end package;
|
| 24 |
+
|
| 25 |
+
-----------------------------------------------------------------
|
| 26 |
+
--------------- MultiPortPSRAM Mux ----------------------------
|
| 27 |
+
-----------------------------------------------------------------
|
| 28 |
+
|
| 29 |
+
library IEEE;
|
| 30 |
+
use IEEE.STD_LOGIC_1164.ALL;
|
| 31 |
+
use IEEE.numeric_std.all;
|
| 32 |
+
|
| 33 |
+
use work.pMultiPortPSRAM.all;
|
| 34 |
+
|
| 35 |
+
entity MultiPortRamCtrl is
|
| 36 |
+
generic
|
| 37 |
+
(
|
| 38 |
+
ISSIMU : boolean := false
|
| 39 |
+
);
|
| 40 |
+
port
|
| 41 |
+
(
|
| 42 |
+
clk_sys : in std_logic;
|
| 43 |
+
clk_fsys : in std_logic;
|
| 44 |
+
rst : in std_logic;
|
| 45 |
+
|
| 46 |
+
RAMIn_request : in tRAMIn_request;
|
| 47 |
+
RAMIn_RnW : in tRAMIn_RnW;
|
| 48 |
+
RAMIn_addr : in tRAMIn_addr;
|
| 49 |
+
RAMIn_din : in tRAMIn_din;
|
| 50 |
+
RAMIn_burst_length : in tRAMIn_burst_length;
|
| 51 |
+
|
| 52 |
+
RAMOut_writeNext : out tRAMOut_writeNext;
|
| 53 |
+
RAMOut_done : out tRAMOut_done;
|
| 54 |
+
RAMOut_dout_valid : out tRAMOut_dout_valid;
|
| 55 |
+
|
| 56 |
+
ram_ready : out std_logic;
|
| 57 |
+
ram_dout : out std_logic_vector(15 downto 0);
|
| 58 |
+
|
| 59 |
+
psram_clk : out std_logic;
|
| 60 |
+
psram_cs_n : out std_logic;
|
| 61 |
+
psram_rwds : inout std_logic := 'Z';
|
| 62 |
+
psram_dq : inout std_logic_vector(7 downto 0) := (others => 'Z')
|
| 63 |
+
);
|
| 64 |
+
end entity;
|
| 65 |
+
|
| 66 |
+
architecture arch of MultiPortRamCtrl is
|
| 67 |
+
|
| 68 |
+
-- statemachine
|
| 69 |
+
type tstate is
|
| 70 |
+
(
|
| 71 |
+
IDLE,
|
| 72 |
+
WAITRAM
|
| 73 |
+
);
|
| 74 |
+
signal state : tstate := IDLE;
|
| 75 |
+
|
| 76 |
+
signal rrb : integer range 0 to RAMPORTCOUNT - 1;
|
| 77 |
+
signal req_latched : std_logic_vector(0 to RAMPORTCOUNT) := (others => '0');
|
| 78 |
+
signal lastIndex : integer range 0 to RAMPORTCOUNT - 1;
|
| 79 |
+
|
| 80 |
+
-- controller
|
| 81 |
+
signal req_read : std_logic := '0';
|
| 82 |
+
signal req_write : std_logic := '0';
|
| 83 |
+
signal addr : std_logic_vector(22 downto 0) := (others => '0');
|
| 84 |
+
signal din : std_logic_vector(15 downto 0);
|
| 85 |
+
signal burst_length : unsigned(10 downto 0) := (others => '0'); -- in bytes
|
| 86 |
+
|
| 87 |
+
signal writeNext : std_logic;
|
| 88 |
+
signal done : std_logic;
|
| 89 |
+
signal dout_valid : std_logic;
|
| 90 |
+
|
| 91 |
+
|
| 92 |
+
begin
|
| 93 |
+
|
| 94 |
+
din <= RAMIn_din(lastIndex);
|
| 95 |
+
|
| 96 |
+
process (all)
|
| 97 |
+
begin
|
| 98 |
+
|
| 99 |
+
for i in 0 to RAMPORTCOUNT - 1 loop
|
| 100 |
+
RAMOut_done(i) <= '0';
|
| 101 |
+
RAMOut_dout_valid(i) <= '0';
|
| 102 |
+
RAMOut_writeNext(i) <= '0';
|
| 103 |
+
end loop;
|
| 104 |
+
|
| 105 |
+
if (state = WAITRAM) then
|
| 106 |
+
if (done = '1') then RAMOut_done(lastIndex) <= '1'; end if;
|
| 107 |
+
if (dout_valid = '1') then RAMOut_dout_valid(lastIndex) <= '1'; end if;
|
| 108 |
+
if (writeNext = '1') then RAMOut_writeNext(lastIndex) <= '1'; end if;
|
| 109 |
+
end if;
|
| 110 |
+
|
| 111 |
+
end process;
|
| 112 |
+
|
| 113 |
+
process (clk_sys)
|
| 114 |
+
variable activeRequest : std_logic;
|
| 115 |
+
variable activeIndex : integer range 0 to RAMPORTCOUNT - 1;
|
| 116 |
+
begin
|
| 117 |
+
if rising_edge(clk_sys) then
|
| 118 |
+
|
| 119 |
+
req_read <= '0';
|
| 120 |
+
req_write <= '0';
|
| 121 |
+
|
| 122 |
+
-- request handling -> any active, but round robin has priority
|
| 123 |
+
activeRequest := '0';
|
| 124 |
+
for i in 0 to RAMPORTCOUNT - 1 loop
|
| 125 |
+
if (RAMIn_request(i) = '1') then
|
| 126 |
+
req_latched(i) <= '1';
|
| 127 |
+
end if;
|
| 128 |
+
|
| 129 |
+
if (RAMIn_request(i) = '1' or req_latched(i) = '1') then
|
| 130 |
+
activeRequest := '1';
|
| 131 |
+
activeIndex := i;
|
| 132 |
+
end if;
|
| 133 |
+
|
| 134 |
+
end loop;
|
| 135 |
+
|
| 136 |
+
if (req_latched(rrb) = '1') then
|
| 137 |
+
activeIndex := rrb;
|
| 138 |
+
end if;
|
| 139 |
+
|
| 140 |
+
|
| 141 |
+
if (rst = '1') then
|
| 142 |
+
|
| 143 |
+
state <= IDLE;
|
| 144 |
+
req_latched <= (others => '0');
|
| 145 |
+
|
| 146 |
+
else
|
| 147 |
+
|
| 148 |
+
-- main statemachine
|
| 149 |
+
case (state) is
|
| 150 |
+
when IDLE =>
|
| 151 |
+
|
| 152 |
+
lastIndex <= activeIndex;
|
| 153 |
+
|
| 154 |
+
-- round robin
|
| 155 |
+
if (rrb < RAMPORTCOUNT - 1) then
|
| 156 |
+
rrb <= rrb + 1;
|
| 157 |
+
else
|
| 158 |
+
rrb <= 0;
|
| 159 |
+
end if;
|
| 160 |
+
|
| 161 |
+
if (activeRequest = '1' and ram_ready = '1') then
|
| 162 |
+
|
| 163 |
+
state <= WAITRAM;
|
| 164 |
+
req_latched(activeIndex) <= '0';
|
| 165 |
+
|
| 166 |
+
if (RAMIn_RnW(activeIndex) = '1') then
|
| 167 |
+
req_read <= '1';
|
| 168 |
+
else
|
| 169 |
+
req_write <= '1';
|
| 170 |
+
end if;
|
| 171 |
+
|
| 172 |
+
burst_length <= RAMIn_burst_length(activeIndex);
|
| 173 |
+
addr <= RAMIn_addr(activeIndex);
|
| 174 |
+
|
| 175 |
+
end if;
|
| 176 |
+
|
| 177 |
+
when WAITRAM =>
|
| 178 |
+
if (done = '1') then
|
| 179 |
+
state <= IDLE;
|
| 180 |
+
end if;
|
| 181 |
+
|
| 182 |
+
end case;
|
| 183 |
+
|
| 184 |
+
end if;
|
| 185 |
+
|
| 186 |
+
end if;
|
| 187 |
+
end process;
|
| 188 |
+
|
| 189 |
+
iPsramController : entity work.PSRAMController
|
| 190 |
+
generic map
|
| 191 |
+
(
|
| 192 |
+
ISSIMU => ISSIMU
|
| 193 |
+
)
|
| 194 |
+
port map
|
| 195 |
+
(
|
| 196 |
+
clk_sys => clk_sys,
|
| 197 |
+
clk_fsys => clk_fsys,
|
| 198 |
+
rst => rst,
|
| 199 |
+
req_read => req_read,
|
| 200 |
+
req_write => req_write,
|
| 201 |
+
addr => addr,
|
| 202 |
+
din => din,
|
| 203 |
+
burst_length => burst_length,
|
| 204 |
+
|
| 205 |
+
ready => ram_ready,
|
| 206 |
+
writeNext => writeNext,
|
| 207 |
+
dout => ram_dout,
|
| 208 |
+
dout_valid => dout_valid,
|
| 209 |
+
done => done,
|
| 210 |
+
|
| 211 |
+
psram_clk => psram_clk,
|
| 212 |
+
psram_rwds => psram_rwds,
|
| 213 |
+
psram_dq => psram_dq,
|
| 214 |
+
psram_cs_n => psram_cs_n
|
| 215 |
+
);
|
| 216 |
+
|
| 217 |
+
end architecture;
|
| 218 |
+
|
| 219 |
+
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/PSRAMBIST_Burst.vhd
ADDED
|
@@ -0,0 +1,174 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
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|
|
| 1 |
+
library IEEE;
|
| 2 |
+
use IEEE.STD_LOGIC_1164.ALL;
|
| 3 |
+
use IEEE.numeric_std.all;
|
| 4 |
+
|
| 5 |
+
entity PSRAMBIST_Burst is
|
| 6 |
+
generic
|
| 7 |
+
(
|
| 8 |
+
BIST_BURSTLENGTH : integer range 1 to 512 := 512;
|
| 9 |
+
SHORTTEST : boolean := true
|
| 10 |
+
);
|
| 11 |
+
port
|
| 12 |
+
(
|
| 13 |
+
clk : in std_logic;
|
| 14 |
+
rst : in std_logic;
|
| 15 |
+
|
| 16 |
+
test_finished : out std_logic := '0';
|
| 17 |
+
test_failed : out std_logic := '0';
|
| 18 |
+
|
| 19 |
+
ram_req_read : out std_logic := '0';
|
| 20 |
+
ram_req_write : out std_logic := '0';
|
| 21 |
+
ram_addr : out std_logic_vector(22 downto 0) := (others => '0');
|
| 22 |
+
ram_din : out std_logic_vector(15 downto 0) := (others => '0');
|
| 23 |
+
burst_length : out unsigned(10 downto 0);
|
| 24 |
+
ram_ready : in std_logic;
|
| 25 |
+
ram_writeNext : in std_logic;
|
| 26 |
+
ram_done : in std_logic;
|
| 27 |
+
ram_dout : in std_logic_vector(15 downto 0);
|
| 28 |
+
ram_dout_valid : in std_logic
|
| 29 |
+
);
|
| 30 |
+
end entity;
|
| 31 |
+
|
| 32 |
+
architecture arch of PSRAMBIST_Burst is
|
| 33 |
+
|
| 34 |
+
type tState is
|
| 35 |
+
(
|
| 36 |
+
WRITE_START,
|
| 37 |
+
WRITE_WAIT,
|
| 38 |
+
READ_START,
|
| 39 |
+
READ_WAIT,
|
| 40 |
+
TESTDONE
|
| 41 |
+
);
|
| 42 |
+
signal state : tState := WRITE_START;
|
| 43 |
+
|
| 44 |
+
type tTesttype is
|
| 45 |
+
(
|
| 46 |
+
ALTERNATING,
|
| 47 |
+
COUNT,
|
| 48 |
+
ONES,
|
| 49 |
+
ZEROS
|
| 50 |
+
);
|
| 51 |
+
signal testtype : tTesttype := ALTERNATING;
|
| 52 |
+
|
| 53 |
+
signal addr_cnt : unsigned(21 downto 0) := (others => '0');
|
| 54 |
+
signal burst_cnt : unsigned(9 downto 0);
|
| 55 |
+
|
| 56 |
+
begin
|
| 57 |
+
|
| 58 |
+
burst_length <= to_unsigned(BIST_BURSTLENGTH * 2, 11);
|
| 59 |
+
|
| 60 |
+
process (clk)
|
| 61 |
+
begin
|
| 62 |
+
if rising_edge(clk) then
|
| 63 |
+
|
| 64 |
+
ram_req_read <= '0';
|
| 65 |
+
ram_req_write <= '0';
|
| 66 |
+
|
| 67 |
+
if (rst = '1') then
|
| 68 |
+
state <= WRITE_START;
|
| 69 |
+
testtype <= ALTERNATING;
|
| 70 |
+
addr_cnt <= (others => '0');
|
| 71 |
+
ram_din <= x"AA55";
|
| 72 |
+
test_finished <= '0';
|
| 73 |
+
test_failed <= '0';
|
| 74 |
+
else
|
| 75 |
+
|
| 76 |
+
case (state) is
|
| 77 |
+
|
| 78 |
+
when WRITE_START | READ_START =>
|
| 79 |
+
if (ram_ready = '1') then
|
| 80 |
+
if (state = WRITE_START) then
|
| 81 |
+
state <= WRITE_WAIT;
|
| 82 |
+
ram_req_write <= '1';
|
| 83 |
+
else
|
| 84 |
+
state <= READ_WAIT;
|
| 85 |
+
ram_req_read <= '1';
|
| 86 |
+
end if;
|
| 87 |
+
|
| 88 |
+
ram_addr <= std_logic_vector(addr_cnt) & '0';
|
| 89 |
+
addr_cnt <= addr_cnt + 1;
|
| 90 |
+
burst_cnt <= to_unsigned(BIST_BURSTLENGTH, 10);
|
| 91 |
+
|
| 92 |
+
if (SHORTTEST = true) then
|
| 93 |
+
addr_cnt <= addr_cnt + (512 * BIST_BURSTLENGTH) + 1;
|
| 94 |
+
end if;
|
| 95 |
+
|
| 96 |
+
case (testtype) is
|
| 97 |
+
when ALTERNATING => ram_din <= not ram_din;
|
| 98 |
+
when COUNT => ram_din <= std_logic_vector(addr_cnt(15 downto 0));
|
| 99 |
+
when ONES => ram_din <= (others => '1');
|
| 100 |
+
when ZEROS => ram_din <= (others => '0');
|
| 101 |
+
end case;
|
| 102 |
+
end if;
|
| 103 |
+
|
| 104 |
+
when WRITE_WAIT =>
|
| 105 |
+
if (ram_done = '1') then
|
| 106 |
+
state <= WRITE_START;
|
| 107 |
+
if ((SHORTTEST = true and addr_cnt(addr_cnt'left) = '1') or (SHORTTEST = false and addr_cnt = 0)) then
|
| 108 |
+
state <= READ_START;
|
| 109 |
+
addr_cnt <= (others => '0');
|
| 110 |
+
ram_din <= x"AA55";
|
| 111 |
+
end if;
|
| 112 |
+
end if;
|
| 113 |
+
|
| 114 |
+
if (ram_writeNext = '1') then
|
| 115 |
+
-- for debug/bring-up, not used by the controller
|
| 116 |
+
-- ram_addr <= std_logic_vector(unsigned(ram_addr) + 2);
|
| 117 |
+
if (SHORTTEST = false) then
|
| 118 |
+
addr_cnt <= addr_cnt + 1;
|
| 119 |
+
end if;
|
| 120 |
+
case (testtype) is
|
| 121 |
+
when ALTERNATING => ram_din <= not ram_din;
|
| 122 |
+
when COUNT => ram_din <= std_logic_vector(unsigned(ram_din) + 1);
|
| 123 |
+
when ONES => ram_din <= (others => '1');
|
| 124 |
+
when ZEROS => ram_din <= (others => '0');
|
| 125 |
+
end case;
|
| 126 |
+
end if;
|
| 127 |
+
|
| 128 |
+
when READ_WAIT =>
|
| 129 |
+
if (ram_done = '1') then
|
| 130 |
+
state <= READ_START;
|
| 131 |
+
if ((SHORTTEST = true and addr_cnt(addr_cnt'left) = '1') or (SHORTTEST = false and addr_cnt = 0)) then
|
| 132 |
+
state <= WRITE_START;
|
| 133 |
+
addr_cnt <= (others => '0');
|
| 134 |
+
case (testtype) is
|
| 135 |
+
when ALTERNATING => testtype <= COUNT;
|
| 136 |
+
when COUNT => testtype <= ONES;
|
| 137 |
+
when ONES => testtype <= ZEROS;
|
| 138 |
+
when ZEROS => state <= TESTDONE;
|
| 139 |
+
end case;
|
| 140 |
+
end if;
|
| 141 |
+
end if;
|
| 142 |
+
|
| 143 |
+
if (ram_dout_valid = '1') then
|
| 144 |
+
if (ram_done = '0') then
|
| 145 |
+
if (SHORTTEST = false) then
|
| 146 |
+
addr_cnt <= addr_cnt + 1;
|
| 147 |
+
end if;
|
| 148 |
+
case (testtype) is
|
| 149 |
+
when ALTERNATING => ram_din <= not ram_din;
|
| 150 |
+
when COUNT => ram_din <= std_logic_vector(unsigned(ram_din) + 1);
|
| 151 |
+
when ONES => ram_din <= (others => '1');
|
| 152 |
+
when ZEROS => ram_din <= (others => '0');
|
| 153 |
+
end case;
|
| 154 |
+
end if;
|
| 155 |
+
|
| 156 |
+
if (ram_dout /= ram_din) then
|
| 157 |
+
test_failed <= '1';
|
| 158 |
+
end if;
|
| 159 |
+
|
| 160 |
+
end if;
|
| 161 |
+
|
| 162 |
+
when TESTDONE =>
|
| 163 |
+
test_finished <= '1';
|
| 164 |
+
|
| 165 |
+
end case;
|
| 166 |
+
|
| 167 |
+
end if;
|
| 168 |
+
|
| 169 |
+
end if;
|
| 170 |
+
end process;
|
| 171 |
+
|
| 172 |
+
end architecture;
|
| 173 |
+
|
| 174 |
+
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/PSRAMController.vhd
ADDED
|
@@ -0,0 +1,716 @@
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|
| 1 |
+
library IEEE;
|
| 2 |
+
use IEEE.STD_LOGIC_1164.ALL;
|
| 3 |
+
use IEEE.numeric_std.all;
|
| 4 |
+
|
| 5 |
+
entity PSRAMController is
|
| 6 |
+
generic
|
| 7 |
+
(
|
| 8 |
+
ISSIMU : boolean := false;
|
| 9 |
+
|
| 10 |
+
IODELAY_SETTING : integer_vector := (
|
| 11 |
+
0 => 0, -- DQ0
|
| 12 |
+
1 => 0, -- DQ1
|
| 13 |
+
2 => 0, -- DQ2
|
| 14 |
+
3 => 0, -- DQ3
|
| 15 |
+
4 => 0, -- DQ4
|
| 16 |
+
5 => 0, -- DQ5
|
| 17 |
+
6 => 0, -- DQ6
|
| 18 |
+
7 => 0, -- DQ7
|
| 19 |
+
8 => 0, -- CLK
|
| 20 |
+
9 => 0, -- CS_N,
|
| 21 |
+
10 => 0 -- RWDS,
|
| 22 |
+
);
|
| 23 |
+
|
| 24 |
+
READLATENCY : integer range 3 to 7 := 5; -- verified in simulation for all options
|
| 25 |
+
WRITELATENCY : integer range 3 to 7 := 5; -- verified in simulation for all options
|
| 26 |
+
CFG0_LT : std_logic := '0'; -- default startup values, changes not verified
|
| 27 |
+
CFG0_DRIVESTRENGTH : std_logic_vector(1 downto 0) := "00"; -- testing increased drive strength (01 is default)
|
| 28 |
+
CFG4_RF : std_logic := '0'; -- default startup values, changes not verified
|
| 29 |
+
CFG4_PASR : std_logic_vector(2 downto 0) := "000"; -- default startup values, changes not verified
|
| 30 |
+
CFG8_RBX : std_logic := '1'; -- read across 1k border
|
| 31 |
+
CFG8_BT : std_logic := '1'; -- default startup values, changes not verified
|
| 32 |
+
CFG8_BL : std_logic_vector(1 downto 0) := "11" -- increase to 1k byte wrap (01 default)
|
| 33 |
+
);
|
| 34 |
+
port
|
| 35 |
+
(
|
| 36 |
+
clk_sys : in std_logic;
|
| 37 |
+
clk_fsys : in std_logic;
|
| 38 |
+
rst : in std_logic;
|
| 39 |
+
|
| 40 |
+
req_read : in std_logic;
|
| 41 |
+
req_write : in std_logic;
|
| 42 |
+
addr : in std_logic_vector(22 downto 0);
|
| 43 |
+
din : in std_logic_vector(15 downto 0);
|
| 44 |
+
burst_length : in unsigned(10 downto 0); -- in bytes
|
| 45 |
+
|
| 46 |
+
cfg_0_LT : out std_logic;
|
| 47 |
+
cfg_0_readLatency : out std_logic_vector(2 downto 0);
|
| 48 |
+
cfg_0_driveStrength : out std_logic_vector(1 downto 0);
|
| 49 |
+
cfg_1_ULP : out std_logic;
|
| 50 |
+
cfg_1_VendorID : out std_logic_vector(4 downto 0);
|
| 51 |
+
cfg_2_GB : out std_logic;
|
| 52 |
+
cfg_2_DevID : out std_logic_vector(1 downto 0);
|
| 53 |
+
cfg_2_Density : out std_logic_vector(2 downto 0);
|
| 54 |
+
cfg_3_RBXen : out std_logic;
|
| 55 |
+
cfg_3_VCC : out std_logic;
|
| 56 |
+
cfg_3_SRF : out std_logic;
|
| 57 |
+
cfg_4_writeLatency : out std_logic_vector(2 downto 0);
|
| 58 |
+
cfg_4_RF : out std_logic;
|
| 59 |
+
cfg_4_PASR : out std_logic_vector(2 downto 0);
|
| 60 |
+
cfg_8_RBX : out std_logic;
|
| 61 |
+
cfg_8_BT : out std_logic;
|
| 62 |
+
cfg_8_BL : out std_logic_vector(1 downto 0);
|
| 63 |
+
|
| 64 |
+
ready : out std_logic := '0';
|
| 65 |
+
writeNext : out std_logic := '0';
|
| 66 |
+
done : out std_logic := '0';
|
| 67 |
+
dout_valid : out std_logic := '0';
|
| 68 |
+
dout : out std_logic_vector(15 downto 0) := (others => '0');
|
| 69 |
+
|
| 70 |
+
psram_clk : out std_logic;
|
| 71 |
+
psram_cs_n : out std_logic;
|
| 72 |
+
psram_rwds : inout std_logic := 'Z';
|
| 73 |
+
psram_dq : inout std_logic_vector(7 downto 0) := (others => 'Z')
|
| 74 |
+
);
|
| 75 |
+
end entity;
|
| 76 |
+
|
| 77 |
+
architecture arch of PSRAMController is
|
| 78 |
+
|
| 79 |
+
type tState is
|
| 80 |
+
(
|
| 81 |
+
RESET,
|
| 82 |
+
CONFIGWRITE_NEXT,
|
| 83 |
+
CONFIGWRITE_START,
|
| 84 |
+
CONFIGWRITE,
|
| 85 |
+
CONFIGREAD_NEXT,
|
| 86 |
+
CONFIGREAD_START,
|
| 87 |
+
CONFIGREAD,
|
| 88 |
+
IDLE,
|
| 89 |
+
READING,
|
| 90 |
+
READVAL,
|
| 91 |
+
WRITING,
|
| 92 |
+
WRITE_NEWROW
|
| 93 |
+
);
|
| 94 |
+
signal state : tState := RESET;
|
| 95 |
+
|
| 96 |
+
signal configwrite_addr : std_logic_vector(3 downto 0) := x"0";
|
| 97 |
+
signal configread_addr : std_logic_vector(3 downto 0) := x"0";
|
| 98 |
+
|
| 99 |
+
signal startup_cnt : integer range 0 to 50000 := 0; -- adjust for clock speed
|
| 100 |
+
|
| 101 |
+
signal dq_shiftreg : std_logic_vector(63 downto 0) := (others => '0');
|
| 102 |
+
signal step : integer range 0 to 15;
|
| 103 |
+
|
| 104 |
+
signal burst_count : unsigned(10 downto 0);
|
| 105 |
+
signal writeburst : std_logic := '0';
|
| 106 |
+
signal addr_nextRow : std_logic_vector(12 downto 0);
|
| 107 |
+
signal row_count : unsigned(8 downto 0);
|
| 108 |
+
|
| 109 |
+
signal clock_ena : std_logic := '0';
|
| 110 |
+
signal oe_dq_n : std_logic := '1';
|
| 111 |
+
signal oe_rwds_n : std_logic := '1';
|
| 112 |
+
signal cs_ena_n : std_logic := '1';
|
| 113 |
+
|
| 114 |
+
signal rwds_out_rising : std_logic := '1';
|
| 115 |
+
signal rwds_out_falling : std_logic := '1';
|
| 116 |
+
|
| 117 |
+
signal rwds_in_Q : std_logic_vector(3 downto 0);
|
| 118 |
+
|
| 119 |
+
signal psram_dq_o : std_logic_vector(7 downto 0);
|
| 120 |
+
|
| 121 |
+
signal dq_in_adjustH : std_logic_vector(7 downto 0);
|
| 122 |
+
signal dq_in_adjustL : std_logic_vector(7 downto 0);
|
| 123 |
+
|
| 124 |
+
signal dq_in_Q0 : std_logic_vector(7 downto 0);
|
| 125 |
+
signal dq_in_Q1 : std_logic_vector(7 downto 0);
|
| 126 |
+
signal dq_in_Q2 : std_logic_vector(7 downto 0);
|
| 127 |
+
signal dq_in_Q3 : std_logic_vector(7 downto 0);
|
| 128 |
+
|
| 129 |
+
signal oddr_rwds_data : std_logic;
|
| 130 |
+
signal oddr_rwds_enaN : std_logic;
|
| 131 |
+
signal oddr_dq_data : std_logic_vector(7 downto 0);
|
| 132 |
+
signal oddr_dq_data_dly : std_logic_vector(7 downto 0);
|
| 133 |
+
signal oddr_dq_enaN : std_logic_vector(7 downto 0);
|
| 134 |
+
|
| 135 |
+
signal psram_clk_dly : std_logic;
|
| 136 |
+
signal psram_cs_n_dly : std_logic;
|
| 137 |
+
signal oddr_rwds_data_dly : std_logic;
|
| 138 |
+
signal psram_rwds_o : std_logic;
|
| 139 |
+
|
| 140 |
+
signal receiving_data : std_logic;
|
| 141 |
+
|
| 142 |
+
component IDDR is
|
| 143 |
+
PORT (
|
| 144 |
+
Q0 : OUT std_logic;
|
| 145 |
+
Q1 : OUT std_logic;
|
| 146 |
+
D : IN std_logic;
|
| 147 |
+
CLK: IN std_logic
|
| 148 |
+
);
|
| 149 |
+
end component;
|
| 150 |
+
|
| 151 |
+
component IDES4 is
|
| 152 |
+
PORT (
|
| 153 |
+
D : IN std_logic;
|
| 154 |
+
FCLK : IN std_logic;
|
| 155 |
+
PCLK : IN std_logic;
|
| 156 |
+
CALIB : IN std_logic;
|
| 157 |
+
RESET : IN std_logic;
|
| 158 |
+
Q0 : OUT std_logic;
|
| 159 |
+
Q1 : OUT std_logic;
|
| 160 |
+
Q2 : OUT std_logic;
|
| 161 |
+
Q3 : OUT std_logic
|
| 162 |
+
);
|
| 163 |
+
end component;
|
| 164 |
+
|
| 165 |
+
component OSER4 is
|
| 166 |
+
GENERIC (
|
| 167 |
+
HWL : string := "false"; --"true"; "false"
|
| 168 |
+
TXCLK_POL : bit := '0' --'0':Rising edge output; '1':Falling edge output
|
| 169 |
+
);
|
| 170 |
+
PORT (
|
| 171 |
+
D0 : IN std_logic;
|
| 172 |
+
D1 : IN std_logic;
|
| 173 |
+
D2 : IN std_logic;
|
| 174 |
+
D3 : IN std_logic;
|
| 175 |
+
TX0 : IN std_logic; -- active low
|
| 176 |
+
TX1 : IN std_logic; -- active low
|
| 177 |
+
FCLK : IN std_logic;
|
| 178 |
+
PCLK : IN std_logic;
|
| 179 |
+
RESET : IN std_logic;
|
| 180 |
+
Q0 : OUT std_logic;
|
| 181 |
+
Q1 : OUT std_logic
|
| 182 |
+
);
|
| 183 |
+
end component;
|
| 184 |
+
|
| 185 |
+
component ODDR is
|
| 186 |
+
GENERIC (
|
| 187 |
+
TXCLK_POL : bit := '0' --'0':Rising edge output; '1':Falling edge output
|
| 188 |
+
);
|
| 189 |
+
PORT (
|
| 190 |
+
Q0 : OUT std_logic;
|
| 191 |
+
Q1 : OUT std_logic;
|
| 192 |
+
D0 : IN std_logic;
|
| 193 |
+
D1 : IN std_logic;
|
| 194 |
+
TX : IN std_logic;
|
| 195 |
+
CLK : IN std_logic
|
| 196 |
+
);
|
| 197 |
+
end component;
|
| 198 |
+
|
| 199 |
+
component IODELAY is
|
| 200 |
+
GENERIC (
|
| 201 |
+
C_STATIC_DLY : integer:=0
|
| 202 |
+
);
|
| 203 |
+
PORT (
|
| 204 |
+
DO : OUT std_logic;
|
| 205 |
+
DF : OUT std_logic;
|
| 206 |
+
DI : IN std_logic;
|
| 207 |
+
SDTAP : IN std_logic;
|
| 208 |
+
DLYSTEP : IN std_logic_vector(7 downto 0);
|
| 209 |
+
VALUE : IN std_logic
|
| 210 |
+
);
|
| 211 |
+
end component;
|
| 212 |
+
|
| 213 |
+
begin
|
| 214 |
+
|
| 215 |
+
u_iodelay_psram_cs_n : IODELAY
|
| 216 |
+
generic map
|
| 217 |
+
(
|
| 218 |
+
C_STATIC_DLY => IODELAY_SETTING(9)
|
| 219 |
+
)
|
| 220 |
+
port map
|
| 221 |
+
(
|
| 222 |
+
DO => psram_cs_n,
|
| 223 |
+
DF => open,
|
| 224 |
+
DI => psram_cs_n_dly,
|
| 225 |
+
SDTAP => '0',
|
| 226 |
+
DLYSTEP => 8x"0",
|
| 227 |
+
VALUE => '0'
|
| 228 |
+
);
|
| 229 |
+
|
| 230 |
+
oser4_psram_cs_n : OSER4 port map
|
| 231 |
+
(
|
| 232 |
+
PCLK => clk_sys,
|
| 233 |
+
FCLK => clk_fsys,
|
| 234 |
+
RESET => rst,
|
| 235 |
+
TX0 => '0',
|
| 236 |
+
TX1 => '0',
|
| 237 |
+
D0 => cs_ena_n,
|
| 238 |
+
D1 => cs_ena_n,
|
| 239 |
+
D2 => cs_ena_n,
|
| 240 |
+
D3 => cs_ena_n,
|
| 241 |
+
Q0 => psram_cs_n_dly,
|
| 242 |
+
Q1 => open
|
| 243 |
+
);
|
| 244 |
+
|
| 245 |
+
u_iodelay_psram_clk : IODELAY
|
| 246 |
+
generic map
|
| 247 |
+
(
|
| 248 |
+
C_STATIC_DLY => IODELAY_SETTING(8)
|
| 249 |
+
)
|
| 250 |
+
port map
|
| 251 |
+
(
|
| 252 |
+
DO => psram_clk,
|
| 253 |
+
DF => open,
|
| 254 |
+
DI => psram_clk_dly,
|
| 255 |
+
SDTAP => '0',
|
| 256 |
+
DLYSTEP => 8x"0",
|
| 257 |
+
VALUE => '0'
|
| 258 |
+
);
|
| 259 |
+
|
| 260 |
+
oser4_psram_clk : OSER4 port map
|
| 261 |
+
(
|
| 262 |
+
PCLK => clk_sys,
|
| 263 |
+
FCLK => clk_fsys,
|
| 264 |
+
RESET => rst,
|
| 265 |
+
TX0 => '0',
|
| 266 |
+
TX1 => '0',
|
| 267 |
+
D0 => '0',
|
| 268 |
+
D1 => clock_ena,
|
| 269 |
+
D2 => clock_ena,
|
| 270 |
+
D3 => '0',
|
| 271 |
+
Q0 => psram_clk_dly,
|
| 272 |
+
Q1 => open
|
| 273 |
+
);
|
| 274 |
+
|
| 275 |
+
u_iodelay_psram_rwds : IODELAY
|
| 276 |
+
generic map
|
| 277 |
+
(
|
| 278 |
+
C_STATIC_DLY => IODELAY_SETTING(10)
|
| 279 |
+
)
|
| 280 |
+
port map
|
| 281 |
+
(
|
| 282 |
+
DO => oddr_rwds_data,
|
| 283 |
+
DF => open,
|
| 284 |
+
DI => oddr_rwds_data_dly,
|
| 285 |
+
SDTAP => '0',
|
| 286 |
+
DLYSTEP => 8x"0",
|
| 287 |
+
VALUE => '0'
|
| 288 |
+
);
|
| 289 |
+
|
| 290 |
+
oser4_psram_rwds : OSER4 port map
|
| 291 |
+
(
|
| 292 |
+
PCLK => clk_sys,
|
| 293 |
+
FCLK => clk_fsys,
|
| 294 |
+
RESET => rst,
|
| 295 |
+
TX0 => oe_rwds_n,
|
| 296 |
+
TX1 => oe_rwds_n,
|
| 297 |
+
D0 => rwds_out_rising,
|
| 298 |
+
D1 => rwds_out_rising,
|
| 299 |
+
D2 => rwds_out_falling,
|
| 300 |
+
D3 => rwds_out_falling,
|
| 301 |
+
Q0 => oddr_rwds_data_dly,
|
| 302 |
+
Q1 => oddr_rwds_enaN
|
| 303 |
+
);
|
| 304 |
+
|
| 305 |
+
psram_rwds <= oddr_rwds_data when (oddr_rwds_enaN = '0') else 'Z';
|
| 306 |
+
|
| 307 |
+
gdq : for i in 0 to 7 generate
|
| 308 |
+
begin
|
| 309 |
+
|
| 310 |
+
u_iodelay_dq : IODELAY
|
| 311 |
+
generic map
|
| 312 |
+
(
|
| 313 |
+
C_STATIC_DLY => IODELAY_SETTING(i)
|
| 314 |
+
)
|
| 315 |
+
port map
|
| 316 |
+
(
|
| 317 |
+
DO => oddr_dq_data_dly(i),
|
| 318 |
+
DF => open,
|
| 319 |
+
DI => oddr_dq_data(i),
|
| 320 |
+
SDTAP => '0',
|
| 321 |
+
DLYSTEP => 8x"0",
|
| 322 |
+
VALUE => '0'
|
| 323 |
+
);
|
| 324 |
+
|
| 325 |
+
oser4_dq : OSER4
|
| 326 |
+
generic map
|
| 327 |
+
(
|
| 328 |
+
HWL => "false",
|
| 329 |
+
TXCLK_POL => '0'
|
| 330 |
+
)
|
| 331 |
+
port map
|
| 332 |
+
(
|
| 333 |
+
PCLK => clk_sys,
|
| 334 |
+
FCLK => clk_fsys,
|
| 335 |
+
RESET => rst,
|
| 336 |
+
TX0 => oe_dq_n,
|
| 337 |
+
TX1 => oe_dq_n,
|
| 338 |
+
D0 => dq_shiftreg(56 + i),
|
| 339 |
+
D1 => dq_shiftreg(56 + i),
|
| 340 |
+
D2 => dq_shiftreg(48 + i),
|
| 341 |
+
D3 => dq_shiftreg(48 + i),
|
| 342 |
+
Q0 => oddr_dq_data(i),
|
| 343 |
+
Q1 => oddr_dq_enaN(i)
|
| 344 |
+
);
|
| 345 |
+
psram_dq(i) <= oddr_dq_data_dly(i) when (oddr_dq_enaN(i) = '0') else 'Z';
|
| 346 |
+
/*
|
| 347 |
+
-- Cleanup L/H from memory sim model
|
| 348 |
+
process (psram_dq(i))
|
| 349 |
+
begin
|
| 350 |
+
case psram_dq(i) is
|
| 351 |
+
when 'L' => psram_dq_o(i) <= '0';
|
| 352 |
+
when 'H' => psram_dq_o(i) <= '1';
|
| 353 |
+
when others => psram_dq_o(i) <= psram_dq(i);
|
| 354 |
+
end case;
|
| 355 |
+
end process;
|
| 356 |
+
*/
|
| 357 |
+
-- Register these here to improve timing
|
| 358 |
+
process (clk_sys)
|
| 359 |
+
begin
|
| 360 |
+
if rising_edge(clk_sys) then
|
| 361 |
+
-- Delay enable by 1 cycle
|
| 362 |
+
if (rst = '1') then
|
| 363 |
+
receiving_data <= '0';
|
| 364 |
+
else
|
| 365 |
+
if(rwds_in_Q(2) or rwds_in_Q(0)) then
|
| 366 |
+
receiving_data <= '1';
|
| 367 |
+
else
|
| 368 |
+
receiving_data <= '0';
|
| 369 |
+
end if;
|
| 370 |
+
end if;
|
| 371 |
+
|
| 372 |
+
case rwds_in_Q is
|
| 373 |
+
when "0011" =>
|
| 374 |
+
if (ISSIMU = true) then
|
| 375 |
+
if (dq_in_Q1(0) /= '0' and dq_in_Q1(0) /= '1') then
|
| 376 |
+
dq_in_adjustL <= x"AB";
|
| 377 |
+
dq_in_adjustH <= x"CD";
|
| 378 |
+
else
|
| 379 |
+
dq_in_adjustL <= dq_in_Q1;
|
| 380 |
+
dq_in_adjustH <= dq_in_Q3;
|
| 381 |
+
end if;
|
| 382 |
+
else
|
| 383 |
+
dq_in_adjustL <= dq_in_Q0;
|
| 384 |
+
dq_in_adjustH <= dq_in_Q2;
|
| 385 |
+
end if;
|
| 386 |
+
when "0001" =>
|
| 387 |
+
dq_in_adjustL <= dq_in_Q0;
|
| 388 |
+
dq_in_adjustH <= dq_in_Q2;
|
| 389 |
+
when "1001" =>
|
| 390 |
+
dq_in_adjustL <= dq_in_Q0;
|
| 391 |
+
dq_in_adjustH <= dq_in_Q2;
|
| 392 |
+
when "0110" =>
|
| 393 |
+
dq_in_adjustL <= dq_in_Q1;
|
| 394 |
+
dq_in_adjustH <= dq_in_Q3;
|
| 395 |
+
when others =>
|
| 396 |
+
dq_in_adjustL <= dq_in_Q3;
|
| 397 |
+
dq_in_adjustH <= dq_in_Q2;
|
| 398 |
+
end case;
|
| 399 |
+
end if;
|
| 400 |
+
end process;
|
| 401 |
+
|
| 402 |
+
ides4_dq : IDES4 port map
|
| 403 |
+
(
|
| 404 |
+
D => psram_dq(i),
|
| 405 |
+
PCLK => clk_sys,
|
| 406 |
+
FCLK => clk_fsys,
|
| 407 |
+
CALIB => '0',
|
| 408 |
+
RESET => rst,
|
| 409 |
+
Q0 => dq_in_Q0(i),
|
| 410 |
+
Q1 => dq_in_Q1(i),
|
| 411 |
+
Q2 => dq_in_Q2(i),
|
| 412 |
+
Q3 => dq_in_Q3(i)
|
| 413 |
+
);
|
| 414 |
+
|
| 415 |
+
end generate;
|
| 416 |
+
/*
|
| 417 |
+
-- Cleanup L/H from memory sim model
|
| 418 |
+
process (psram_rwds)
|
| 419 |
+
begin
|
| 420 |
+
case psram_rwds is
|
| 421 |
+
when 'L' => psram_rwds_o <= '0';
|
| 422 |
+
when 'H' => psram_rwds_o <= '1';
|
| 423 |
+
when others => psram_rwds_o <= psram_rwds;
|
| 424 |
+
end case;
|
| 425 |
+
end process;
|
| 426 |
+
*/
|
| 427 |
+
ides4_psram_rwds : IDES4 port map
|
| 428 |
+
(
|
| 429 |
+
D => psram_rwds,
|
| 430 |
+
PCLK => clk_sys,
|
| 431 |
+
FCLK => clk_fsys,
|
| 432 |
+
CALIB => '0',
|
| 433 |
+
RESET => rst,
|
| 434 |
+
Q0 => rwds_in_Q(0),
|
| 435 |
+
Q1 => rwds_in_Q(1),
|
| 436 |
+
Q2 => rwds_in_Q(2),
|
| 437 |
+
Q3 => rwds_in_Q(3)
|
| 438 |
+
);
|
| 439 |
+
|
| 440 |
+
ready <= '1' when (state = IDLE and cfg_1_VendorID = 5x"0D") else '0';
|
| 441 |
+
|
| 442 |
+
writeNext <= '1' when (state = WRITING and writeburst = '1' and burst_count > 2) else '0';
|
| 443 |
+
|
| 444 |
+
process (clk_sys)
|
| 445 |
+
begin
|
| 446 |
+
if rising_edge(clk_sys) then
|
| 447 |
+
|
| 448 |
+
done <= '0';
|
| 449 |
+
dout_valid <= '0';
|
| 450 |
+
dq_shiftreg <= dq_shiftreg(47 downto 0) & 16x"0";
|
| 451 |
+
|
| 452 |
+
if (step < 15) then
|
| 453 |
+
step <= step + 1;
|
| 454 |
+
end if;
|
| 455 |
+
|
| 456 |
+
if (rst = '1') then
|
| 457 |
+
state <= RESET;
|
| 458 |
+
startup_cnt <= 0;
|
| 459 |
+
configread_addr <= x"0";
|
| 460 |
+
configwrite_addr <= x"F";
|
| 461 |
+
step <= 0;
|
| 462 |
+
cs_ena_n <= '1';
|
| 463 |
+
clock_ena <= '0';
|
| 464 |
+
oe_dq_n <= '1';
|
| 465 |
+
oe_rwds_n <= '1';
|
| 466 |
+
else
|
| 467 |
+
|
| 468 |
+
case (state) is
|
| 469 |
+
|
| 470 |
+
when RESET =>
|
| 471 |
+
if (startup_cnt < 50000) then
|
| 472 |
+
startup_cnt <= startup_cnt + 1;
|
| 473 |
+
else
|
| 474 |
+
state <= CONFIGWRITE_NEXT;
|
| 475 |
+
step <= 0;
|
| 476 |
+
end if;
|
| 477 |
+
|
| 478 |
+
when CONFIGWRITE_NEXT =>
|
| 479 |
+
if (step >= 8) then
|
| 480 |
+
state <= CONFIGWRITE_START;
|
| 481 |
+
cs_ena_n <= '0';
|
| 482 |
+
step <= 0;
|
| 483 |
+
end if;
|
| 484 |
+
|
| 485 |
+
when CONFIGWRITE_START =>
|
| 486 |
+
state <= CONFIGWRITE;
|
| 487 |
+
dq_shiftreg <= x"C0C0000000000000";
|
| 488 |
+
oe_dq_n <= '0';
|
| 489 |
+
clock_ena <= '1';
|
| 490 |
+
dq_shiftreg(19 downto 16) <= configwrite_addr;
|
| 491 |
+
case (configwrite_addr) is
|
| 492 |
+
|
| 493 |
+
when x"F" =>
|
| 494 |
+
dq_shiftreg <= (others => '1');
|
| 495 |
+
|
| 496 |
+
when x"0" =>
|
| 497 |
+
dq_shiftreg(15 downto 8) <= "00" & CFG0_LT & std_logic_vector(to_unsigned(READLATENCY - 3,3)) & CFG0_DRIVESTRENGTH;
|
| 498 |
+
|
| 499 |
+
when x"4" =>
|
| 500 |
+
dq_shiftreg(15 downto 8) <= "0000" & CFG4_RF & CFG4_PASR;
|
| 501 |
+
case (WRITELATENCY) is
|
| 502 |
+
when 3 => dq_shiftreg(15 downto 13) <= "000";
|
| 503 |
+
when 4 => dq_shiftreg(15 downto 13) <= "100";
|
| 504 |
+
when 5 => dq_shiftreg(15 downto 13) <= "010";
|
| 505 |
+
when 6 => dq_shiftreg(15 downto 13) <= "110";
|
| 506 |
+
when 7 => dq_shiftreg(15 downto 13) <= "001";
|
| 507 |
+
when others => null;
|
| 508 |
+
end case;
|
| 509 |
+
|
| 510 |
+
when x"8" =>
|
| 511 |
+
dq_shiftreg(15 downto 8) <= "0000" & CFG8_RBX & CFG8_BT & CFG8_BL;
|
| 512 |
+
|
| 513 |
+
when others => null;
|
| 514 |
+
|
| 515 |
+
end case;
|
| 516 |
+
|
| 517 |
+
when CONFIGWRITE =>
|
| 518 |
+
if (step = 4) then
|
| 519 |
+
|
| 520 |
+
state <= CONFIGWRITE_NEXT;
|
| 521 |
+
clock_ena <= '0';
|
| 522 |
+
oe_dq_n <= '1';
|
| 523 |
+
cs_ena_n <= '1';
|
| 524 |
+
|
| 525 |
+
case (configwrite_addr) is
|
| 526 |
+
|
| 527 |
+
when x"F" =>
|
| 528 |
+
configwrite_addr <= x"0";
|
| 529 |
+
state <= RESET;
|
| 530 |
+
startup_cnt <= 0;
|
| 531 |
+
|
| 532 |
+
when x"0" =>
|
| 533 |
+
configwrite_addr <= x"4";
|
| 534 |
+
|
| 535 |
+
when x"4" =>
|
| 536 |
+
configwrite_addr <= x"8";
|
| 537 |
+
|
| 538 |
+
when x"8" =>
|
| 539 |
+
state <= CONFIGREAD_NEXT;
|
| 540 |
+
|
| 541 |
+
when others => null;
|
| 542 |
+
|
| 543 |
+
end case;
|
| 544 |
+
|
| 545 |
+
end if;
|
| 546 |
+
|
| 547 |
+
when CONFIGREAD_NEXT =>
|
| 548 |
+
if (step >= 8) then
|
| 549 |
+
state <= CONFIGREAD_START;
|
| 550 |
+
cs_ena_n <= '0';
|
| 551 |
+
step <= 0;
|
| 552 |
+
end if;
|
| 553 |
+
|
| 554 |
+
when CONFIGREAD_START =>
|
| 555 |
+
state <= CONFIGREAD;
|
| 556 |
+
dq_shiftreg <= x"4040000000000000";
|
| 557 |
+
oe_dq_n <= '0';
|
| 558 |
+
clock_ena <= '1';
|
| 559 |
+
dq_shiftreg(19 downto 16) <= configread_addr;
|
| 560 |
+
|
| 561 |
+
when CONFIGREAD =>
|
| 562 |
+
if (step = 3) then
|
| 563 |
+
oe_dq_n <= '1';
|
| 564 |
+
end if;
|
| 565 |
+
if (step > 9 and receiving_data = '1') then
|
| 566 |
+
|
| 567 |
+
state <= CONFIGREAD_NEXT;
|
| 568 |
+
step <= 0;
|
| 569 |
+
cs_ena_n <= '1';
|
| 570 |
+
clock_ena <= '0';
|
| 571 |
+
|
| 572 |
+
case (configread_addr) is
|
| 573 |
+
when x"0" =>
|
| 574 |
+
configread_addr <= x"1";
|
| 575 |
+
cfg_0_LT <= dq_in_adjustL(5);
|
| 576 |
+
cfg_0_readLatency <= dq_in_adjustL(4 downto 2);
|
| 577 |
+
cfg_0_driveStrength <= dq_in_adjustL(1 downto 0);
|
| 578 |
+
|
| 579 |
+
when x"1" =>
|
| 580 |
+
configread_addr <= x"2";
|
| 581 |
+
cfg_1_ULP <= dq_in_adjustL(7);
|
| 582 |
+
cfg_1_VendorID <= dq_in_adjustL(4 downto 0);
|
| 583 |
+
|
| 584 |
+
when x"2" =>
|
| 585 |
+
configread_addr <= x"3";
|
| 586 |
+
cfg_2_GB <= dq_in_adjustL(7);
|
| 587 |
+
cfg_2_DevID <= dq_in_adjustL(4 downto 3);
|
| 588 |
+
cfg_2_Density <= dq_in_adjustL(2 downto 0);
|
| 589 |
+
|
| 590 |
+
when x"3" =>
|
| 591 |
+
configread_addr <= x"4";
|
| 592 |
+
cfg_3_RBXen <= dq_in_adjustL(7);
|
| 593 |
+
cfg_3_VCC <= dq_in_adjustL(6);
|
| 594 |
+
cfg_3_SRF <= dq_in_adjustL(5);
|
| 595 |
+
|
| 596 |
+
when x"4" =>
|
| 597 |
+
configread_addr <= x"8";
|
| 598 |
+
cfg_4_writeLatency <= dq_in_adjustL(7 downto 5);
|
| 599 |
+
cfg_4_RF <= dq_in_adjustL(3);
|
| 600 |
+
cfg_4_PASR <= dq_in_adjustL(2 downto 0);
|
| 601 |
+
|
| 602 |
+
when x"8" =>
|
| 603 |
+
state <= IDLE;
|
| 604 |
+
cfg_8_RBX <= dq_in_adjustL(3);
|
| 605 |
+
cfg_8_BT <= dq_in_adjustL(2);
|
| 606 |
+
cfg_8_BL <= dq_in_adjustL(1 downto 0);
|
| 607 |
+
|
| 608 |
+
when others => null;
|
| 609 |
+
|
| 610 |
+
end case;
|
| 611 |
+
end if;
|
| 612 |
+
|
| 613 |
+
when IDLE =>
|
| 614 |
+
oe_rwds_n <= '1';
|
| 615 |
+
oe_dq_n <= '1';
|
| 616 |
+
clock_ena <= '0';
|
| 617 |
+
cs_ena_n <= '1';
|
| 618 |
+
writeburst <= '0';
|
| 619 |
+
burst_count <= burst_length;
|
| 620 |
+
addr_nextRow <= std_logic_vector(unsigned(addr(22 downto 10)) + 1);
|
| 621 |
+
row_count <= 9x"1FF" - unsigned(addr(9 downto 1));
|
| 622 |
+
if (req_read = '1' or req_write = '1') then
|
| 623 |
+
if (req_read = '1') then
|
| 624 |
+
state <= READING;
|
| 625 |
+
dq_shiftreg(63 downto 48) <= x"2020";
|
| 626 |
+
else
|
| 627 |
+
state <= WRITING;
|
| 628 |
+
dq_shiftreg(63 downto 48) <= x"A0A0";
|
| 629 |
+
end if;
|
| 630 |
+
dq_shiftreg(47 downto 0) <= 9x"0" & addr(22 downto 1) & '0' & 16x"0";
|
| 631 |
+
cs_ena_n <= '0';
|
| 632 |
+
clock_ena <= '1';
|
| 633 |
+
oe_dq_n <= '0';
|
| 634 |
+
step <= 1;
|
| 635 |
+
end if;
|
| 636 |
+
|
| 637 |
+
when READING =>
|
| 638 |
+
if (step = 3) then
|
| 639 |
+
oe_dq_n <= '1';
|
| 640 |
+
elsif (step > 9 and rwds_in_Q(3) /= rwds_in_Q(1)) then
|
| 641 |
+
if (burst_count = 1) then
|
| 642 |
+
state <= IDLE;
|
| 643 |
+
done <= '1';
|
| 644 |
+
cs_ena_n <= '1';
|
| 645 |
+
clock_ena <= '0';
|
| 646 |
+
else
|
| 647 |
+
state <= READVAL;
|
| 648 |
+
end if;
|
| 649 |
+
end if;
|
| 650 |
+
|
| 651 |
+
when READVAL =>
|
| 652 |
+
if (receiving_data = '1') then
|
| 653 |
+
dout_valid <= '1';
|
| 654 |
+
dout <= dq_in_adjustH & dq_in_adjustL;
|
| 655 |
+
if (burst_count <= 2) then
|
| 656 |
+
state <= IDLE;
|
| 657 |
+
done <= '1';
|
| 658 |
+
cs_ena_n <= '1';
|
| 659 |
+
clock_ena <= '0';
|
| 660 |
+
else
|
| 661 |
+
burst_count <= burst_count - 2;
|
| 662 |
+
end if;
|
| 663 |
+
end if;
|
| 664 |
+
|
| 665 |
+
when WRITING =>
|
| 666 |
+
if (step = 1 + WRITELATENCY) then
|
| 667 |
+
writeburst <= '1';
|
| 668 |
+
end if;
|
| 669 |
+
if (writeburst = '1') then
|
| 670 |
+
oe_dq_n <= '0';
|
| 671 |
+
oe_rwds_n <= '0';
|
| 672 |
+
rwds_out_rising <= '0'; --todo: byte mask together with addr bit 0 in case of single byte write
|
| 673 |
+
rwds_out_falling <= '0'; --todo: byte mask together with addr bit 0 in case of single byte write
|
| 674 |
+
dq_shiftreg(63 downto 48) <= din(7 downto 0) & din(15 downto 8);
|
| 675 |
+
|
| 676 |
+
row_count <= row_count - 1;
|
| 677 |
+
if (row_count = 0) then
|
| 678 |
+
state <= WRITE_NEWROW;
|
| 679 |
+
writeburst <= '0';
|
| 680 |
+
step <= 0;
|
| 681 |
+
end if;
|
| 682 |
+
|
| 683 |
+
if (burst_count <= 2) then
|
| 684 |
+
state <= IDLE;
|
| 685 |
+
done <= '1';
|
| 686 |
+
else
|
| 687 |
+
burst_count <= burst_count - 2;
|
| 688 |
+
end if;
|
| 689 |
+
end if;
|
| 690 |
+
|
| 691 |
+
when WRITE_NEWROW =>
|
| 692 |
+
oe_dq_n <= '1';
|
| 693 |
+
oe_rwds_n <= '1';
|
| 694 |
+
clock_ena <= '0';
|
| 695 |
+
cs_ena_n <= '1';
|
| 696 |
+
if (step = 4) then
|
| 697 |
+
state <= WRITING;
|
| 698 |
+
dq_shiftreg(63 downto 48) <= x"A0A0";
|
| 699 |
+
dq_shiftreg(47 downto 0) <= 9x"0" & addr_nextRow & 10x"0" & 16x"0";
|
| 700 |
+
cs_ena_n <= '0';
|
| 701 |
+
clock_ena <= '1';
|
| 702 |
+
oe_dq_n <= '0';
|
| 703 |
+
step <= 1;
|
| 704 |
+
end if;
|
| 705 |
+
|
| 706 |
+
|
| 707 |
+
end case;
|
| 708 |
+
|
| 709 |
+
end if;
|
| 710 |
+
|
| 711 |
+
end if;
|
| 712 |
+
end process;
|
| 713 |
+
|
| 714 |
+
end architecture;
|
| 715 |
+
|
| 716 |
+
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/ST7785_init.v
ADDED
|
@@ -0,0 +1,181 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
module ST7785_init #(parameter ISSIMU=0)
|
| 2 |
+
(
|
| 3 |
+
input clk,
|
| 4 |
+
input reset,
|
| 5 |
+
output LCD_SCK,
|
| 6 |
+
output reg LCD_CS,
|
| 7 |
+
output reg LCD_SDA_SDI,
|
| 8 |
+
output reg LCD_RST,
|
| 9 |
+
output reg LCD_INIT_DONE
|
| 10 |
+
);
|
| 11 |
+
|
| 12 |
+
parameter CLK_DIV_2N = 6;
|
| 13 |
+
|
| 14 |
+
wire clk_out_ne;
|
| 15 |
+
clock_div #(
|
| 16 |
+
.DIV_2N(CLK_DIV_2N))
|
| 17 |
+
c1 (
|
| 18 |
+
.clk_in(clk),
|
| 19 |
+
.reset(reset),
|
| 20 |
+
.clk_out(sck),
|
| 21 |
+
.clk_out_ne(clk_out_ne)
|
| 22 |
+
);
|
| 23 |
+
|
| 24 |
+
reg cs;
|
| 25 |
+
assign LCD_SCK = ~cs ? sck : 1'd0;
|
| 26 |
+
|
| 27 |
+
localparam DATA_MAX_CNT = 127;
|
| 28 |
+
|
| 29 |
+
wire[23:0] RESETSTART = ISSIMU ? 2000 : 0;
|
| 30 |
+
wire[23:0] RESETEND = ISSIMU ? 3000 : 80000;
|
| 31 |
+
wire[23:0] DELAYMAX = ISSIMU ? 5000 : 90000;
|
| 32 |
+
wire[17:0] DELAYEND = ISSIMU ? 18'd500 : 18'd2560;
|
| 33 |
+
|
| 34 |
+
reg[8:0] sets[127:0] /* synthesis syn_romstyle = "distributed_rom" */;
|
| 35 |
+
reg[6:0] data_cnt;
|
| 36 |
+
reg[4:0] bit_cnt;
|
| 37 |
+
reg[23:0] delay_cnt;
|
| 38 |
+
|
| 39 |
+
initial begin
|
| 40 |
+
$readmemb("regs.bin", sets);
|
| 41 |
+
end
|
| 42 |
+
|
| 43 |
+
always @(posedge clk or posedge reset) begin
|
| 44 |
+
if(reset)
|
| 45 |
+
LCD_RST <= 1'd1;
|
| 46 |
+
else
|
| 47 |
+
if(clk_out_ne)
|
| 48 |
+
case (delay_cnt)
|
| 49 |
+
RESETSTART: LCD_RST <= 0;
|
| 50 |
+
RESETEND : LCD_RST <= 1;
|
| 51 |
+
endcase
|
| 52 |
+
end
|
| 53 |
+
|
| 54 |
+
always @(posedge clk)
|
| 55 |
+
if(clk_out_ne)
|
| 56 |
+
if ((data_cnt < DATA_MAX_CNT) && (delay_cnt == DELAYMAX))
|
| 57 |
+
begin
|
| 58 |
+
if (bit_cnt < 9)
|
| 59 |
+
bit_cnt <= bit_cnt + 1'd1;
|
| 60 |
+
else
|
| 61 |
+
bit_cnt <= 'd0;
|
| 62 |
+
end
|
| 63 |
+
else
|
| 64 |
+
bit_cnt <= 'd0;
|
| 65 |
+
|
| 66 |
+
reg [8:0] txdata;
|
| 67 |
+
always@(posedge clk)
|
| 68 |
+
if(clk_out_ne)
|
| 69 |
+
txdata <= sets[data_cnt];
|
| 70 |
+
|
| 71 |
+
reg [17:0] delay_cnt2;
|
| 72 |
+
|
| 73 |
+
reg [7:0] datasr;
|
| 74 |
+
reg [7:0] max_cnt;
|
| 75 |
+
always@(posedge clk)
|
| 76 |
+
begin
|
| 77 |
+
LCD_CS <= cs;
|
| 78 |
+
end
|
| 79 |
+
|
| 80 |
+
always@(posedge clk)
|
| 81 |
+
if(clk_out_ne)
|
| 82 |
+
begin
|
| 83 |
+
if(delay_cnt != DELAYMAX)
|
| 84 |
+
begin
|
| 85 |
+
data_cnt <= 'd0;
|
| 86 |
+
datasr <= 'd0;
|
| 87 |
+
cs <= 'd1;
|
| 88 |
+
LCD_SDA_SDI <= 'd0;
|
| 89 |
+
delay_cnt2 <= 'd0;
|
| 90 |
+
max_cnt <= DATA_MAX_CNT - 'd4;
|
| 91 |
+
end
|
| 92 |
+
else
|
| 93 |
+
if(bit_cnt == 0)
|
| 94 |
+
begin
|
| 95 |
+
if (data_cnt < max_cnt)
|
| 96 |
+
begin
|
| 97 |
+
cs <= 1'd0;
|
| 98 |
+
datasr <= txdata[7:0];
|
| 99 |
+
LCD_SDA_SDI <= txdata[8];
|
| 100 |
+
data_cnt <= data_cnt + 1'd1;
|
| 101 |
+
end
|
| 102 |
+
else
|
| 103 |
+
begin
|
| 104 |
+
cs <= 1'd1;
|
| 105 |
+
if(delay_cnt2 < DELAYEND)
|
| 106 |
+
delay_cnt2 <= delay_cnt2 + 1'd1;
|
| 107 |
+
else
|
| 108 |
+
max_cnt <= DATA_MAX_CNT;
|
| 109 |
+
end
|
| 110 |
+
end
|
| 111 |
+
else
|
| 112 |
+
begin
|
| 113 |
+
if(bit_cnt < 9)
|
| 114 |
+
begin
|
| 115 |
+
datasr <= {datasr[6:0], 1'd0};
|
| 116 |
+
LCD_SDA_SDI <= datasr[7];
|
| 117 |
+
end
|
| 118 |
+
else
|
| 119 |
+
begin
|
| 120 |
+
cs <= 1'd1;
|
| 121 |
+
end
|
| 122 |
+
end
|
| 123 |
+
end
|
| 124 |
+
|
| 125 |
+
always @(posedge clk or posedge reset)
|
| 126 |
+
if(reset)
|
| 127 |
+
delay_cnt <= 'd0;
|
| 128 |
+
else
|
| 129 |
+
if(clk_out_ne)
|
| 130 |
+
if (delay_cnt < DELAYMAX)
|
| 131 |
+
delay_cnt <= delay_cnt + 1'd1;
|
| 132 |
+
|
| 133 |
+
always@(posedge clk or posedge reset)
|
| 134 |
+
if(reset)
|
| 135 |
+
LCD_INIT_DONE <= 1'd0;
|
| 136 |
+
else
|
| 137 |
+
if(data_cnt < DATA_MAX_CNT)
|
| 138 |
+
LCD_INIT_DONE <= 1'd0;
|
| 139 |
+
else
|
| 140 |
+
LCD_INIT_DONE <= 1'd1;
|
| 141 |
+
|
| 142 |
+
endmodule
|
| 143 |
+
|
| 144 |
+
module clock_div
|
| 145 |
+
#(
|
| 146 |
+
parameter SIZE = 8,
|
| 147 |
+
parameter DIV_2N = 1
|
| 148 |
+
)
|
| 149 |
+
(
|
| 150 |
+
input clk_in,
|
| 151 |
+
input reset,
|
| 152 |
+
output reg clk_out = 'd0,
|
| 153 |
+
output reg clk_out_ne,
|
| 154 |
+
output reg clk_out_pe
|
| 155 |
+
);
|
| 156 |
+
|
| 157 |
+
reg [SIZE - 1:0] counter = DIV_2N - 1;
|
| 158 |
+
|
| 159 |
+
always @(posedge clk_in) begin
|
| 160 |
+
if(reset)
|
| 161 |
+
begin
|
| 162 |
+
counter <= 'd0;
|
| 163 |
+
clk_out <= 'd0;
|
| 164 |
+
clk_out_ne <= 1'd0;
|
| 165 |
+
|
| 166 |
+
end
|
| 167 |
+
else
|
| 168 |
+
begin
|
| 169 |
+
clk_out_ne <= 1'd0;
|
| 170 |
+
|
| 171 |
+
if (counter == 0) begin
|
| 172 |
+
counter <= DIV_2N - 1;
|
| 173 |
+
clk_out <= !clk_out;
|
| 174 |
+
if(~clk_out)
|
| 175 |
+
clk_out_ne <= 1'd1;
|
| 176 |
+
end
|
| 177 |
+
else
|
| 178 |
+
counter <= counter - 'd1;
|
| 179 |
+
end
|
| 180 |
+
end
|
| 181 |
+
endmodule
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/ST7785_panel_master.v
ADDED
|
@@ -0,0 +1,267 @@
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|
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|
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|
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|
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|
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|
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|
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|
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|
|
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|
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|
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|
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|
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|
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|
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|
|
|
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|
|
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|
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|
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|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
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|
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|
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|
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|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
| 1 |
+
module ST7785_panel_master(
|
| 2 |
+
input gClk,
|
| 3 |
+
input nRST,
|
| 4 |
+
|
| 5 |
+
input hClk,
|
| 6 |
+
input [17:0] hColorPixel,
|
| 7 |
+
input [17:0] hColorPixelUVC,
|
| 8 |
+
input lcd_on,
|
| 9 |
+
input hVsync,
|
| 10 |
+
input hHsync,
|
| 11 |
+
input hValid,
|
| 12 |
+
input LCD_EN,
|
| 13 |
+
output reg LCD_DE,
|
| 14 |
+
output reg LCD_HSYNC,
|
| 15 |
+
output reg LCD_VSYNC,
|
| 16 |
+
output reg LCD_GENLOCK,
|
| 17 |
+
output reg [5:0] LCD_DB,
|
| 18 |
+
output reg LCD_ENABLE_UVC,
|
| 19 |
+
output reg [17:0] LCD_DB_UVC
|
| 20 |
+
);
|
| 21 |
+
|
| 22 |
+
parameter H_Lw = 16'd30;
|
| 23 |
+
parameter H_Pixel_Valid = 16'd720;
|
| 24 |
+
parameter H_FrontPorch = 16'd129;
|
| 25 |
+
parameter H_BackPorch = 16'd32;
|
| 26 |
+
|
| 27 |
+
parameter PixelForHS = H_Lw + H_Pixel_Valid + H_FrontPorch + H_BackPorch;
|
| 28 |
+
|
| 29 |
+
parameter V_Lw = 16'd2;
|
| 30 |
+
parameter V_Pixel_Valid = 16'd144;
|
| 31 |
+
parameter V_FrontPorch = 16'd2; // was 64
|
| 32 |
+
parameter V_BackPorch = 16'd10;
|
| 33 |
+
|
| 34 |
+
parameter PixelForVS = V_Pixel_Valid + V_FrontPorch + V_BackPorch;
|
| 35 |
+
|
| 36 |
+
reg gLcdOn_r1;
|
| 37 |
+
reg gLcdOn_r2;
|
| 38 |
+
always@(posedge gClk)
|
| 39 |
+
begin
|
| 40 |
+
gLcdOn_r1 <= lcd_on;
|
| 41 |
+
gLcdOn_r2 <= gLcdOn_r1;
|
| 42 |
+
end
|
| 43 |
+
|
| 44 |
+
reg gVs_r1;
|
| 45 |
+
reg gVs_r2;
|
| 46 |
+
always@(posedge gClk)
|
| 47 |
+
begin
|
| 48 |
+
gVs_r1 <= hVsync;
|
| 49 |
+
gVs_r2 <= gVs_r1;
|
| 50 |
+
end
|
| 51 |
+
|
| 52 |
+
reg hgVs_r1;
|
| 53 |
+
reg hgVs_r2;
|
| 54 |
+
always@(posedge hClk)
|
| 55 |
+
begin
|
| 56 |
+
hgVs_r1 <= hVsync;
|
| 57 |
+
hgVs_r2 <= hgVs_r1;
|
| 58 |
+
end
|
| 59 |
+
wire hGbVsync = hgVs_r1 & ~hgVs_r2;
|
| 60 |
+
|
| 61 |
+
reg [15:0] hs_sr;
|
| 62 |
+
always@(posedge hClk)
|
| 63 |
+
hs_sr <= {hs_sr[14:0], hHsync};
|
| 64 |
+
wire gbhsync = hs_sr[15] & ~hs_sr[14];
|
| 65 |
+
reg valid_r1;
|
| 66 |
+
always@(posedge hClk)
|
| 67 |
+
valid_r1 <= hValid;
|
| 68 |
+
|
| 69 |
+
|
| 70 |
+
wire [17:0] color_pixeluvc;
|
| 71 |
+
wire [17:0] color_pixelp;
|
| 72 |
+
|
| 73 |
+
localparam DEPTH = 1024;
|
| 74 |
+
reg [35:0] lineBuffer [DEPTH-1:0];
|
| 75 |
+
reg [35:0] lineBuffer_q;
|
| 76 |
+
|
| 77 |
+
reg [9:0] lineBuffer_wa;
|
| 78 |
+
reg [7:0] lineBuffer_wrCount;
|
| 79 |
+
reg [9:0] lineBuffer_ra;
|
| 80 |
+
reg [7:0] lineBuffer_rdCount;
|
| 81 |
+
|
| 82 |
+
always@(posedge hClk)
|
| 83 |
+
begin
|
| 84 |
+
if(hGbVsync)
|
| 85 |
+
begin
|
| 86 |
+
lineBuffer_wrCount <= 'd0;
|
| 87 |
+
lineBuffer_wa <= 'd0;
|
| 88 |
+
end
|
| 89 |
+
else
|
| 90 |
+
if(gbhsync)
|
| 91 |
+
lineBuffer_wrCount <= 'd0;
|
| 92 |
+
else
|
| 93 |
+
if(hValid)
|
| 94 |
+
if(lineBuffer_wrCount <= 8'd159)
|
| 95 |
+
begin
|
| 96 |
+
lineBuffer_wrCount <= lineBuffer_wrCount + 1'd1;
|
| 97 |
+
if(lineBuffer_wa < DEPTH - 1'd1)
|
| 98 |
+
lineBuffer_wa <= lineBuffer_wa + 1'd1;
|
| 99 |
+
else
|
| 100 |
+
lineBuffer_wa <= 'd0;
|
| 101 |
+
end
|
| 102 |
+
end
|
| 103 |
+
|
| 104 |
+
reg [11:0] H_PixelCount;
|
| 105 |
+
reg [11:0] V_PixelCount;
|
| 106 |
+
reg [15:0] frameCount;
|
| 107 |
+
wire LCD_DEI = ( H_PixelCount > H_BackPorch + H_Lw ) && ( H_PixelCount <= H_Pixel_Valid + H_BackPorch + H_Lw ) && (V_PixelCount < V_Pixel_Valid + V_Lw + V_FrontPorch) && (V_PixelCount >= V_Lw + V_FrontPorch);
|
| 108 |
+
|
| 109 |
+
always@(posedge hClk)
|
| 110 |
+
if(hValid&&(lineBuffer_wrCount <= 8'd159))
|
| 111 |
+
lineBuffer[lineBuffer_wa] <= {hColorPixelUVC, hColorPixel};
|
| 112 |
+
|
| 113 |
+
reg [1:0] phase;
|
| 114 |
+
reg [7:0] hoffset;
|
| 115 |
+
localparam OFFSET = 41;
|
| 116 |
+
reg pGbVsync;
|
| 117 |
+
reg pGbVsync_r1;
|
| 118 |
+
wire pGbVsyncRising = pGbVsync & ~pGbVsync_r1;
|
| 119 |
+
always@(posedge gClk)
|
| 120 |
+
begin
|
| 121 |
+
pGbVsync <= hVsync;
|
| 122 |
+
pGbVsync_r1 <= pGbVsync;
|
| 123 |
+
end
|
| 124 |
+
|
| 125 |
+
always@(posedge gClk)
|
| 126 |
+
begin
|
| 127 |
+
if(pGbVsyncRising)
|
| 128 |
+
begin
|
| 129 |
+
lineBuffer_ra <= 'd0;
|
| 130 |
+
lineBuffer_rdCount <= 'd0;
|
| 131 |
+
phase <= 'd2;
|
| 132 |
+
end
|
| 133 |
+
else
|
| 134 |
+
if(~LCD_HSYNC)
|
| 135 |
+
begin
|
| 136 |
+
phase <= 'd2;
|
| 137 |
+
hoffset <= 'd0;
|
| 138 |
+
lineBuffer_rdCount <= 'd0;
|
| 139 |
+
end
|
| 140 |
+
else
|
| 141 |
+
begin
|
| 142 |
+
if(phase < 3'd2)
|
| 143 |
+
phase <= phase + 1'd1;
|
| 144 |
+
else
|
| 145 |
+
phase <= 'd0;
|
| 146 |
+
|
| 147 |
+
if((LCD_DEI) && LCD_VSYNC && (phase == 'd2))
|
| 148 |
+
if(hoffset < OFFSET)
|
| 149 |
+
hoffset <= hoffset + 1'd1;
|
| 150 |
+
|
| 151 |
+
if((LCD_DEI) && (V_PixelCount >= V_Lw + V_FrontPorch) && (phase == 'd1))
|
| 152 |
+
begin
|
| 153 |
+
if(hoffset >= OFFSET)
|
| 154 |
+
if(lineBuffer_rdCount <= 8'd159)
|
| 155 |
+
begin
|
| 156 |
+
if(lineBuffer_ra < DEPTH - 1'd1)
|
| 157 |
+
lineBuffer_ra <= lineBuffer_ra + 1'd1;
|
| 158 |
+
else
|
| 159 |
+
lineBuffer_ra <= 'd0;
|
| 160 |
+
lineBuffer_rdCount <= lineBuffer_rdCount + 1'd1;
|
| 161 |
+
end
|
| 162 |
+
end
|
| 163 |
+
end
|
| 164 |
+
end
|
| 165 |
+
|
| 166 |
+
always@(posedge gClk)
|
| 167 |
+
lineBuffer_q <= lineBuffer[lineBuffer_ra];
|
| 168 |
+
|
| 169 |
+
assign color_pixeluvc = lineBuffer_q[35:18];
|
| 170 |
+
assign color_pixelp = lineBuffer_q[17:0];
|
| 171 |
+
|
| 172 |
+
localparam FINE_OFFSET = 11'd418;
|
| 173 |
+
reg [10:0] fineDelay;
|
| 174 |
+
// LCD scanout is several rows behind the emulator
|
| 175 |
+
// Need to delay the falling edge of lcd_on
|
| 176 |
+
//
|
| 177 |
+
// When we get falling edge of lcd_on, scanout remaining rows
|
| 178 |
+
// then enter
|
| 179 |
+
reg lcd_on_aligned;
|
| 180 |
+
reg lcd_on_aligned_r1;
|
| 181 |
+
reg lcd_on_aligned_r2;
|
| 182 |
+
wire frameDone = (V_PixelCount >= V_Pixel_Valid + V_Lw + V_FrontPorch)&&~LCD_HSYNC;
|
| 183 |
+
always@(posedge gClk)
|
| 184 |
+
if((gVs_r1 & ~gVs_r2)|(lcd_on_aligned_r1 & ~lcd_on_aligned_r2))
|
| 185 |
+
fineDelay <= 'd0;
|
| 186 |
+
else
|
| 187 |
+
if(fineDelay != FINE_OFFSET)
|
| 188 |
+
fineDelay <= fineDelay + 1'd1;
|
| 189 |
+
|
| 190 |
+
reg delayed;
|
| 191 |
+
always@(posedge gClk)
|
| 192 |
+
delayed <= (fineDelay == (FINE_OFFSET - 1'd1)) ? 1'd1 : 1'd0;
|
| 193 |
+
|
| 194 |
+
always@(posedge gClk)
|
| 195 |
+
begin
|
| 196 |
+
if((V_PixelCount == 0) || frameDone)
|
| 197 |
+
lcd_on_aligned <= lcd_on;
|
| 198 |
+
lcd_on_aligned_r1 <= lcd_on_aligned;
|
| 199 |
+
lcd_on_aligned_r2 <= lcd_on_aligned_r1;
|
| 200 |
+
end
|
| 201 |
+
|
| 202 |
+
always @(posedge gClk)begin
|
| 203 |
+
if( !nRST || delayed || ~lcd_on_aligned) begin
|
| 204 |
+
V_PixelCount <= 0;
|
| 205 |
+
H_PixelCount <= 'd0;
|
| 206 |
+
frameCount <= 16'd0;
|
| 207 |
+
end
|
| 208 |
+
else
|
| 209 |
+
if( H_PixelCount == PixelForHS )
|
| 210 |
+
begin
|
| 211 |
+
V_PixelCount <= V_PixelCount + 1'b1;
|
| 212 |
+
H_PixelCount <= 'd0;
|
| 213 |
+
end
|
| 214 |
+
else if( V_PixelCount >= (PixelForVS + V_Lw) ) begin
|
| 215 |
+
V_PixelCount <= 'd0;
|
| 216 |
+
H_PixelCount <= 'd0;
|
| 217 |
+
frameCount <= frameCount + 1'd1;
|
| 218 |
+
end
|
| 219 |
+
else begin
|
| 220 |
+
H_PixelCount <= H_PixelCount + 1'b1;
|
| 221 |
+
end
|
| 222 |
+
end
|
| 223 |
+
|
| 224 |
+
reg LCD_DEI_r1;
|
| 225 |
+
reg LCD_DEI_r2;
|
| 226 |
+
reg LCD_VSYNC_r1;
|
| 227 |
+
always@(posedge gClk)
|
| 228 |
+
begin
|
| 229 |
+
LCD_DEI_r1 <= LCD_DEI;
|
| 230 |
+
LCD_DEI_r2 <= LCD_DEI_r1;
|
| 231 |
+
LCD_DE <= LCD_DEI_r2;
|
| 232 |
+
LCD_HSYNC <= H_PixelCount < H_Lw ? 1'b0 : 1'b1;
|
| 233 |
+
LCD_VSYNC <= (V_PixelCount >= 0)&&(V_PixelCount < V_Lw) ? 1'b0 : 1'b1;
|
| 234 |
+
LCD_VSYNC_r1 <= LCD_VSYNC;
|
| 235 |
+
if(LCD_VSYNC & ~LCD_VSYNC_r1)
|
| 236 |
+
LCD_GENLOCK <= ~LCD_GENLOCK;
|
| 237 |
+
|
| 238 |
+
if((hoffset >= OFFSET) && lcd_on_aligned)
|
| 239 |
+
begin
|
| 240 |
+
if(LCD_EN)
|
| 241 |
+
begin
|
| 242 |
+
if(phase == 2)
|
| 243 |
+
LCD_DB <= color_pixelp[17:12]; // Blue
|
| 244 |
+
if(phase == 1)
|
| 245 |
+
LCD_DB <= color_pixelp[11:6]; // Green
|
| 246 |
+
if(phase == 0)
|
| 247 |
+
LCD_DB <= color_pixelp[5:0]; // Red
|
| 248 |
+
|
| 249 |
+
LCD_DB_UVC <= color_pixeluvc;
|
| 250 |
+
LCD_ENABLE_UVC <= LCD_DEI_r2;
|
| 251 |
+
end
|
| 252 |
+
else
|
| 253 |
+
begin
|
| 254 |
+
LCD_DB <= {6{1'b1}};
|
| 255 |
+
LCD_DB_UVC <= {18{1'b1}};
|
| 256 |
+
LCD_ENABLE_UVC <= LCD_DEI_r2;
|
| 257 |
+
end
|
| 258 |
+
end
|
| 259 |
+
else
|
| 260 |
+
begin
|
| 261 |
+
LCD_DB <= 'd0;
|
| 262 |
+
LCD_DB_UVC <= 'd0;
|
| 263 |
+
LCD_ENABLE_UVC <= 1'd0;
|
| 264 |
+
end
|
| 265 |
+
end
|
| 266 |
+
|
| 267 |
+
endmodule
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/adc_wrap.v
ADDED
|
@@ -0,0 +1,85 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
// adc_wrap.v
|
| 2 |
+
|
| 3 |
+
module adc_wrap(
|
| 4 |
+
input clk,
|
| 5 |
+
input reset_n,
|
| 6 |
+
input hAdcReq_ext,
|
| 7 |
+
output reg [13:0] hAdcValue_r1,
|
| 8 |
+
output reg hAdcReady_r1,
|
| 9 |
+
input VBAT_ADC_P,
|
| 10 |
+
input VBAT_ADC_N
|
| 11 |
+
);
|
| 12 |
+
|
| 13 |
+
wire hAdcReady;
|
| 14 |
+
wire [13:0] hAdcValue;
|
| 15 |
+
reg [1:0] hAdcState;
|
| 16 |
+
|
| 17 |
+
always@(posedge clk)
|
| 18 |
+
begin
|
| 19 |
+
if((hAdcState == 2'd2)&&hAdcReady)
|
| 20 |
+
begin
|
| 21 |
+
hAdcReady_r1 <= 1'd1;
|
| 22 |
+
hAdcValue_r1 <= hAdcValue;
|
| 23 |
+
end
|
| 24 |
+
else
|
| 25 |
+
hAdcReady_r1 <= 1'd0;
|
| 26 |
+
end
|
| 27 |
+
|
| 28 |
+
wire [7:0] mdrp_rdata_o;
|
| 29 |
+
|
| 30 |
+
TLVDS_IBUF_ADC u_IBUF_ADC(
|
| 31 |
+
.I(VBAT_ADC_P),
|
| 32 |
+
.IB(VBAT_ADC_N),
|
| 33 |
+
.ADCEN(1'd1)
|
| 34 |
+
);
|
| 35 |
+
|
| 36 |
+
|
| 37 |
+
wire adcen_i = reset_n;
|
| 38 |
+
wire hAdcReq = (hAdcState == 2'd1);
|
| 39 |
+
|
| 40 |
+
always@(posedge clk)
|
| 41 |
+
if(~reset_n)
|
| 42 |
+
hAdcState <= 'd0;
|
| 43 |
+
else
|
| 44 |
+
case(hAdcState)
|
| 45 |
+
2'd0 :
|
| 46 |
+
if(hAdcReq_ext)
|
| 47 |
+
hAdcState <= 2'd1;
|
| 48 |
+
2'd1 :
|
| 49 |
+
if(~hAdcReady)
|
| 50 |
+
hAdcState <= 2'd2;
|
| 51 |
+
2'd2 :
|
| 52 |
+
begin
|
| 53 |
+
if(hAdcReady)
|
| 54 |
+
hAdcState <= 2'd3;
|
| 55 |
+
else
|
| 56 |
+
if(hAdcReq_ext)
|
| 57 |
+
hAdcState <= 2'd1;
|
| 58 |
+
end
|
| 59 |
+
2'd3 :
|
| 60 |
+
hAdcState <= 2'd0;
|
| 61 |
+
endcase
|
| 62 |
+
|
| 63 |
+
reg adcen;
|
| 64 |
+
always@(posedge clk or negedge reset_n)
|
| 65 |
+
if(~reset_n)
|
| 66 |
+
adcen <= 1'd0;
|
| 67 |
+
else
|
| 68 |
+
adcen <= 1'd1;
|
| 69 |
+
Gowin_ADC u_Gowin_ADC (
|
| 70 |
+
.clk(clk), //input clk
|
| 71 |
+
.drstn(adcen_i ), //input drstn
|
| 72 |
+
.adcrdy(hAdcReady), //output adcrdy
|
| 73 |
+
.adcvalue(hAdcValue), //output [13:0] adcvalue
|
| 74 |
+
.vsenctl(3'b010), //input [2:0] vsenctl
|
| 75 |
+
.adcen(adcen), //input adcen
|
| 76 |
+
.adcreqi(hAdcReq), //input adcreqi
|
| 77 |
+
.adcmode(1'd1), //input adcmode 1 = Voltage, 0 = temperature
|
| 78 |
+
.mdrp_clk(1'd0), //input mdrp_clk
|
| 79 |
+
.mdrp_rdata(mdrp_rdata_o), //output [7:0] mdrp_rdata
|
| 80 |
+
.mdrp_wdata(8'd0), //input [7:0] mdrp_wdata
|
| 81 |
+
.mdrp_a_inc(1'd0), //input mdrp_a_inc
|
| 82 |
+
.mdrp_opcode(2'd0) //input [1:0] mdrp_opcode
|
| 83 |
+
);
|
| 84 |
+
|
| 85 |
+
endmodule
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/aud_system_top.v
ADDED
|
@@ -0,0 +1,154 @@
|
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|
|
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|
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|
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|
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|
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|
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|
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|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
// aud_system_top.v
|
| 2 |
+
|
| 3 |
+
module aud_system_top(
|
| 4 |
+
input gClk,
|
| 5 |
+
input hClk,
|
| 6 |
+
input reset_n,
|
| 7 |
+
input [15:0] left,
|
| 8 |
+
input [15:0] right,
|
| 9 |
+
input software_mute,
|
| 10 |
+
|
| 11 |
+
output [7:0] volume,
|
| 12 |
+
output hHeadphones,
|
| 13 |
+
output [7:0] pmic_sys_status,
|
| 14 |
+
|
| 15 |
+
output AUD_BCLK,
|
| 16 |
+
output AUD_DIN,
|
| 17 |
+
input AUD_DOUT,
|
| 18 |
+
output AUD_MCLK,
|
| 19 |
+
output AUD_RESET,
|
| 20 |
+
output reg AUD_WCLK,
|
| 21 |
+
|
| 22 |
+
inout SCL,
|
| 23 |
+
inout SDA
|
| 24 |
+
);
|
| 25 |
+
|
| 26 |
+
reg [31:0] stereo_sr;
|
| 27 |
+
reg [4:0] count;
|
| 28 |
+
|
| 29 |
+
reg gClkHalf;
|
| 30 |
+
always@(posedge gClk)
|
| 31 |
+
gClkHalf <= ~gClkHalf;
|
| 32 |
+
|
| 33 |
+
wire [7:0] hpgpio;
|
| 34 |
+
assign hHeadphones = hpgpio[1];
|
| 35 |
+
|
| 36 |
+
wire mute = (software_mute | volume > 8'h76);
|
| 37 |
+
|
| 38 |
+
wire [15:0] left_m = mute ? 16'd0 : -left;
|
| 39 |
+
wire [15:0] right_m = mute ? 16'd0 : -right;
|
| 40 |
+
|
| 41 |
+
reg [16:0] gMonoSpeaker;
|
| 42 |
+
always @(posedge gClk)
|
| 43 |
+
if(reset_n)
|
| 44 |
+
gMonoSpeaker <= left_m + right_m;
|
| 45 |
+
|
| 46 |
+
always @(posedge gClkHalf or negedge reset_n) begin
|
| 47 |
+
if (~reset_n) begin
|
| 48 |
+
count <= 5'd0;
|
| 49 |
+
end
|
| 50 |
+
else
|
| 51 |
+
begin
|
| 52 |
+
if (count == 5'd0) begin
|
| 53 |
+
count <= 5'd31;
|
| 54 |
+
AUD_WCLK <= 1'b1;
|
| 55 |
+
stereo_sr <= ~hHeadphones ? {16'd0,gMonoSpeaker[16:1]} :
|
| 56 |
+
{ right_m[15:0],left_m[15:0] };
|
| 57 |
+
end
|
| 58 |
+
else begin
|
| 59 |
+
count <= count - 1'd1;
|
| 60 |
+
if(count == 5'd16)
|
| 61 |
+
AUD_WCLK <= 1'b0;
|
| 62 |
+
stereo_sr <= {stereo_sr[30:0], 1'b0};
|
| 63 |
+
end
|
| 64 |
+
end
|
| 65 |
+
end
|
| 66 |
+
|
| 67 |
+
assign AUD_MCLK = gClk;
|
| 68 |
+
assign AUD_BCLK = ~gClkHalf;
|
| 69 |
+
assign AUD_DIN = stereo_sr[31];
|
| 70 |
+
assign AUD_RESET = reset_n;
|
| 71 |
+
|
| 72 |
+
parameter I2C_DATA_WIDTH = 8;
|
| 73 |
+
parameter REGISTER_WIDTH = 8;
|
| 74 |
+
parameter ADDRESS_WIDTH = 7;
|
| 75 |
+
|
| 76 |
+
wire [I2C_DATA_WIDTH-1:0] i2c_miso_data; // output
|
| 77 |
+
wire i2c_busy; // output
|
| 78 |
+
|
| 79 |
+
wire tlv320_init_done;
|
| 80 |
+
wire tlv320_i2c_enable;
|
| 81 |
+
wire tlv320_i2c_read_write;
|
| 82 |
+
wire [I2C_DATA_WIDTH-1:0] tlv320_i2c_mosi_data;
|
| 83 |
+
wire [REGISTER_WIDTH-1:0] tlv320_i2c_register_address;
|
| 84 |
+
wire [ADDRESS_WIDTH-1:0] tlv320_i2c_device_address;
|
| 85 |
+
|
| 86 |
+
wire pol_i2c_enable;
|
| 87 |
+
wire pol_i2c_read_write;
|
| 88 |
+
wire [I2C_DATA_WIDTH-1:0] pol_i2c_mosi_data;
|
| 89 |
+
wire [REGISTER_WIDTH-1:0] pol_i2c_register_address;
|
| 90 |
+
wire [ADDRESS_WIDTH-1:0] pol_i2c_device_address;
|
| 91 |
+
|
| 92 |
+
wire i2c_enable = tlv320_init_done ? pol_i2c_enable : tlv320_i2c_enable;
|
| 93 |
+
wire i2c_read_write = tlv320_init_done ? pol_i2c_read_write : tlv320_i2c_read_write;
|
| 94 |
+
wire [I2C_DATA_WIDTH-1:0] i2c_mosi_data = tlv320_init_done ? pol_i2c_mosi_data : tlv320_i2c_mosi_data;
|
| 95 |
+
wire [REGISTER_WIDTH-1:0] i2c_register_address = tlv320_init_done ? pol_i2c_register_address : tlv320_i2c_register_address;
|
| 96 |
+
wire [ADDRESS_WIDTH-1:0] i2c_device_address = tlv320_init_done ? pol_i2c_device_address : tlv320_i2c_device_address;
|
| 97 |
+
|
| 98 |
+
// Initializes the Audio codec
|
| 99 |
+
tlv320_init u_tlv320_init(
|
| 100 |
+
.pclk(hClk),
|
| 101 |
+
.vb_rst(~reset_n),
|
| 102 |
+
.i2c_busy(i2c_busy),
|
| 103 |
+
.tlv320_init_done(tlv320_init_done),
|
| 104 |
+
|
| 105 |
+
.i2c_enable(tlv320_i2c_enable),
|
| 106 |
+
.i2c_read_write(tlv320_i2c_read_write),
|
| 107 |
+
.i2c_mosi_data(tlv320_i2c_mosi_data),
|
| 108 |
+
.i2c_register_address(tlv320_i2c_register_address),
|
| 109 |
+
.i2c_device_address(tlv320_i2c_device_address)
|
| 110 |
+
);
|
| 111 |
+
|
| 112 |
+
polling_master u_pol_master(
|
| 113 |
+
.clk(hClk),
|
| 114 |
+
.rst(~reset_n),
|
| 115 |
+
.i2c_busy(i2c_busy),
|
| 116 |
+
.enable(tlv320_init_done),
|
| 117 |
+
.mute(software_mute),
|
| 118 |
+
|
| 119 |
+
.volume(volume),
|
| 120 |
+
.gpio(hpgpio),
|
| 121 |
+
.pmic_sys_status(pmic_sys_status),
|
| 122 |
+
|
| 123 |
+
.i2c_enable(pol_i2c_enable),
|
| 124 |
+
.i2c_miso_data(i2c_miso_data),
|
| 125 |
+
.i2c_read_write(pol_i2c_read_write),
|
| 126 |
+
.i2c_mosi_data(pol_i2c_mosi_data),
|
| 127 |
+
.i2c_register_address(pol_i2c_register_address),
|
| 128 |
+
.i2c_device_address(pol_i2c_device_address)
|
| 129 |
+
);
|
| 130 |
+
|
| 131 |
+
i2c_master #(
|
| 132 |
+
.DATA_WIDTH(I2C_DATA_WIDTH),
|
| 133 |
+
.REGISTER_WIDTH(REGISTER_WIDTH),
|
| 134 |
+
.ADDRESS_WIDTH(ADDRESS_WIDTH)
|
| 135 |
+
)
|
| 136 |
+
i2c_master_inst(
|
| 137 |
+
.clock (hClk),
|
| 138 |
+
.reset_n (reset_n),
|
| 139 |
+
.enable (i2c_enable),
|
| 140 |
+
.read_write (i2c_read_write),
|
| 141 |
+
.mosi_data (i2c_mosi_data),
|
| 142 |
+
.register_address (i2c_register_address),
|
| 143 |
+
.device_address (i2c_device_address),
|
| 144 |
+
.divider (16'd20),
|
| 145 |
+
|
| 146 |
+
.miso_data (i2c_miso_data),
|
| 147 |
+
.busy (i2c_busy),
|
| 148 |
+
|
| 149 |
+
.external_serial_data (SDA),
|
| 150 |
+
.external_serial_clock (SCL)
|
| 151 |
+
);
|
| 152 |
+
|
| 153 |
+
|
| 154 |
+
endmodule
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/button_debounce.v
ADDED
|
@@ -0,0 +1,42 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
module button_debouncer
|
| 2 |
+
(
|
| 3 |
+
input clk,
|
| 4 |
+
input unfiltered,
|
| 5 |
+
output reg filtered
|
| 6 |
+
);
|
| 7 |
+
|
| 8 |
+
parameter HIGHBIT = 14;
|
| 9 |
+
|
| 10 |
+
reg [HIGHBIT:0] count;
|
| 11 |
+
reg button_state;
|
| 12 |
+
|
| 13 |
+
reg [2:0] input_sampling;
|
| 14 |
+
|
| 15 |
+
always @(posedge clk) begin
|
| 16 |
+
input_sampling <= {input_sampling[1:0], unfiltered};
|
| 17 |
+
|
| 18 |
+
if (~filtered) begin
|
| 19 |
+
if (~input_sampling[2]) begin
|
| 20 |
+
count <= 'd0;
|
| 21 |
+
end else if (~count[HIGHBIT]) begin
|
| 22 |
+
count <= count + 1;
|
| 23 |
+
end
|
| 24 |
+
if (count[HIGHBIT]) begin
|
| 25 |
+
filtered <= 1'b1;
|
| 26 |
+
count <= 'd0;
|
| 27 |
+
end
|
| 28 |
+
end else begin
|
| 29 |
+
if (input_sampling[2]) begin
|
| 30 |
+
count <= 'd0;
|
| 31 |
+
end else if (~count[HIGHBIT]) begin
|
| 32 |
+
count <= count + 1;
|
| 33 |
+
end
|
| 34 |
+
if (count[HIGHBIT]) begin
|
| 35 |
+
filtered <= 1'b0;
|
| 36 |
+
count <= 'd0;
|
| 37 |
+
end
|
| 38 |
+
end
|
| 39 |
+
|
| 40 |
+
end
|
| 41 |
+
|
| 42 |
+
endmodule
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/gb_burst_write.v
ADDED
|
@@ -0,0 +1,70 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
// gb_burst_write.v
|
| 2 |
+
|
| 3 |
+
// Converts GB video data into a burst write to PSRAM
|
| 4 |
+
module gb_burst_write(
|
| 5 |
+
input hClk,
|
| 6 |
+
input hVsync,
|
| 7 |
+
input hNewLine,
|
| 8 |
+
input [22:0] hAddress,
|
| 9 |
+
input hWrite,
|
| 10 |
+
input [15:0] hData,
|
| 11 |
+
|
| 12 |
+
input xClk,
|
| 13 |
+
input xRdEn,
|
| 14 |
+
input xRamReady,
|
| 15 |
+
output reg xMcuReqWrite,
|
| 16 |
+
|
| 17 |
+
output [15:0] xDout,
|
| 18 |
+
output reg [22:0] xAddress
|
| 19 |
+
);
|
| 20 |
+
|
| 21 |
+
reg hLineToggle = 0;
|
| 22 |
+
reg hRamReady = 0;
|
| 23 |
+
|
| 24 |
+
always@(posedge hClk)
|
| 25 |
+
begin
|
| 26 |
+
if (hNewLine) begin
|
| 27 |
+
hRamReady <= xRamReady;
|
| 28 |
+
hLineToggle <= ~hLineToggle;
|
| 29 |
+
end
|
| 30 |
+
end
|
| 31 |
+
|
| 32 |
+
reg hVsync_r1;
|
| 33 |
+
always@(posedge hClk)
|
| 34 |
+
hVsync_r1 <= hVsync;
|
| 35 |
+
|
| 36 |
+
wire fifo_rst = ~hVsync_r1 & hVsync;
|
| 37 |
+
|
| 38 |
+
wire fifo_empty;
|
| 39 |
+
wire fifo_full;
|
| 40 |
+
wire fifo_almost_full;
|
| 41 |
+
fifo1k u_fifo1k(
|
| 42 |
+
.Data(hData), //input [15:0] Data
|
| 43 |
+
.WrReset(fifo_rst), //input WrReset
|
| 44 |
+
.RdReset(fifo_rst), //input RdReset
|
| 45 |
+
.WrClk(hClk), //input WrClk
|
| 46 |
+
.RdClk(xClk), //input RdClk
|
| 47 |
+
.WrEn(hWrite & hRamReady), //input WrEn
|
| 48 |
+
.RdEn(xRdEn | xMcuReqWrite), //input RdEn
|
| 49 |
+
.Q(xDout), //output [15:0] Q
|
| 50 |
+
.Almost_Full(fifo_almost_full), //output Almost_Full
|
| 51 |
+
.Empty(fifo_empty), //output Empty
|
| 52 |
+
// Full is on the write clock domain
|
| 53 |
+
// Won't update when QSPI CS is high
|
| 54 |
+
.Full(fifo_full) //output Full
|
| 55 |
+
);
|
| 56 |
+
|
| 57 |
+
reg [3:0] xLine_sr;
|
| 58 |
+
always@(posedge xClk)
|
| 59 |
+
xLine_sr <= {xLine_sr[2:0], hLineToggle};
|
| 60 |
+
|
| 61 |
+
always@(posedge xClk)
|
| 62 |
+
begin
|
| 63 |
+
xMcuReqWrite <= 1'd0;
|
| 64 |
+
if(xLine_sr[3] != xLine_sr[2]) begin
|
| 65 |
+
xMcuReqWrite <= xRamReady && (~fifo_empty);
|
| 66 |
+
xAddress <= hAddress[22:0];
|
| 67 |
+
end
|
| 68 |
+
end
|
| 69 |
+
|
| 70 |
+
endmodule
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/i2c_master.sv
ADDED
|
@@ -0,0 +1,634 @@
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|
|
| 1 |
+
`timescale 1ns / 1ps
|
| 2 |
+
//////////////////////////////////////////////////////////////////////////////////
|
| 3 |
+
// Company: www.circuitden.com
|
| 4 |
+
// Engineer: Artin Isagholian
|
| 5 |
+
// artinisagholian@gmail.com
|
| 6 |
+
//
|
| 7 |
+
// Create Date: 01/20/2021 05:47:22 PM
|
| 8 |
+
// Design Name:
|
| 9 |
+
// Module Name: i2c_master
|
| 10 |
+
// Project Name:
|
| 11 |
+
// Target Devices:
|
| 12 |
+
// Tool Versions:
|
| 13 |
+
// Description:
|
| 14 |
+
//
|
| 15 |
+
// Dependencies:
|
| 16 |
+
//
|
| 17 |
+
// Revision:
|
| 18 |
+
// Revision 0.01 - File Created
|
| 19 |
+
// Additional Comments:
|
| 20 |
+
//
|
| 21 |
+
//////////////////////////////////////////////////////////////////////////////////
|
| 22 |
+
module i2c_master#(
|
| 23 |
+
parameter DATA_WIDTH = 16,
|
| 24 |
+
parameter REGISTER_WIDTH = 16,
|
| 25 |
+
parameter ADDRESS_WIDTH = 7
|
| 26 |
+
)(
|
| 27 |
+
input wire clock,
|
| 28 |
+
input wire reset_n,
|
| 29 |
+
input wire enable,
|
| 30 |
+
input wire read_write,
|
| 31 |
+
input wire [DATA_WIDTH-1:0] mosi_data,
|
| 32 |
+
input wire [REGISTER_WIDTH-1:0] register_address,
|
| 33 |
+
input wire [ADDRESS_WIDTH-1:0] device_address,
|
| 34 |
+
input wire [15:0] divider,
|
| 35 |
+
output reg [DATA_WIDTH-1:0] miso_data,
|
| 36 |
+
output reg busy,
|
| 37 |
+
inout external_serial_data,
|
| 38 |
+
inout external_serial_clock
|
| 39 |
+
);
|
| 40 |
+
|
| 41 |
+
localparam S_IDLE = 15'b100000000000000;
|
| 42 |
+
localparam S_START = 15'b010000000000000;
|
| 43 |
+
localparam S_WRITE_ADDR_W = 15'b001000000000000;
|
| 44 |
+
localparam S_CHECK_ACK = 15'b000100000000000;
|
| 45 |
+
localparam S_WRITE_REG_ADDR = 15'b000010000000000;
|
| 46 |
+
localparam S_RESTART = 15'b000001000000000;
|
| 47 |
+
localparam S_WRITE_ADDR_R = 15'b000000100000000;
|
| 48 |
+
localparam S_READ_REG = 15'b000000010000000;
|
| 49 |
+
localparam S_SEND_NACK = 15'b000000001000000;
|
| 50 |
+
localparam S_SEND_STOP = 15'b000000000100000;
|
| 51 |
+
localparam S_WRITE_REG_DATA = 15'b000000000010000;
|
| 52 |
+
localparam S_WRITE_REG_ADDR_MSB = 15'b000000000001000;
|
| 53 |
+
localparam S_WRITE_REG_DATA_MSB = 15'b000000000000100;
|
| 54 |
+
localparam S_READ_REG_MSB = 15'b000000000000010;
|
| 55 |
+
localparam S_SEND_ACK = 15'b000000000000001;
|
| 56 |
+
|
| 57 |
+
reg [14:0] state;
|
| 58 |
+
reg [14:0] _state;
|
| 59 |
+
reg [14:0] post_state;
|
| 60 |
+
reg [14:0] _post_state;
|
| 61 |
+
|
| 62 |
+
reg serial_clock;
|
| 63 |
+
logic _serial_clock;
|
| 64 |
+
reg [ADDRESS_WIDTH:0] saved_device_address;
|
| 65 |
+
logic [ADDRESS_WIDTH:0] _saved_device_address;
|
| 66 |
+
reg [REGISTER_WIDTH-1:0] saved_register_address;
|
| 67 |
+
logic [REGISTER_WIDTH-1:0] _saved_register_address;
|
| 68 |
+
reg [DATA_WIDTH-1:0] saved_mosi_data;
|
| 69 |
+
logic [DATA_WIDTH-1:0] _saved_mosi_data;
|
| 70 |
+
reg [1:0] process_counter;
|
| 71 |
+
logic [1:0] _process_counter;
|
| 72 |
+
reg [7:0] bit_counter;
|
| 73 |
+
logic [7:0] _bit_counter;
|
| 74 |
+
reg serial_data;
|
| 75 |
+
logic _serial_data;
|
| 76 |
+
reg post_serial_data;
|
| 77 |
+
logic _post_serial_data;
|
| 78 |
+
reg last_acknowledge;
|
| 79 |
+
logic _last_acknowledge;
|
| 80 |
+
logic _saved_read_write;
|
| 81 |
+
reg saved_read_write;
|
| 82 |
+
reg [15:0] divider_counter;
|
| 83 |
+
logic [15:0] _divider_counter;
|
| 84 |
+
reg divider_tick;
|
| 85 |
+
logic [DATA_WIDTH-1:0] _miso_data;
|
| 86 |
+
logic _busy;
|
| 87 |
+
logic serial_data_output_enable;
|
| 88 |
+
logic serial_clock_output_enable;
|
| 89 |
+
|
| 90 |
+
|
| 91 |
+
assign external_serial_clock = (serial_clock_output_enable) ? serial_clock : 1'bz;
|
| 92 |
+
assign external_serial_data = (serial_data_output_enable) ? serial_data : 1'bz;
|
| 93 |
+
|
| 94 |
+
always_comb begin
|
| 95 |
+
_state = state;
|
| 96 |
+
_post_state = post_state;
|
| 97 |
+
_process_counter = process_counter;
|
| 98 |
+
_bit_counter = bit_counter;
|
| 99 |
+
_last_acknowledge = last_acknowledge;
|
| 100 |
+
_miso_data = miso_data;
|
| 101 |
+
_saved_read_write = saved_read_write;
|
| 102 |
+
_busy = busy;
|
| 103 |
+
_divider_counter = divider_counter;
|
| 104 |
+
_saved_register_address = saved_register_address;
|
| 105 |
+
_saved_device_address = saved_device_address;
|
| 106 |
+
_saved_mosi_data = saved_mosi_data;
|
| 107 |
+
_serial_data = serial_data;
|
| 108 |
+
_serial_clock = serial_clock;
|
| 109 |
+
_post_serial_data = post_serial_data;
|
| 110 |
+
|
| 111 |
+
if (divider_counter == divider) begin
|
| 112 |
+
_divider_counter = 0;
|
| 113 |
+
divider_tick = 1;
|
| 114 |
+
end
|
| 115 |
+
else begin
|
| 116 |
+
_divider_counter = divider_counter + 1;
|
| 117 |
+
divider_tick = 0;
|
| 118 |
+
end
|
| 119 |
+
|
| 120 |
+
if ((state!=S_IDLE) && (state!=S_CHECK_ACK) && (state!=S_READ_REG) && (state!=S_READ_REG_MSB)) begin
|
| 121 |
+
serial_data_output_enable = 1;
|
| 122 |
+
end
|
| 123 |
+
else begin
|
| 124 |
+
serial_data_output_enable = 0;
|
| 125 |
+
end
|
| 126 |
+
|
| 127 |
+
if (state!=S_IDLE && process_counter!=1 && process_counter!=2) begin
|
| 128 |
+
serial_clock_output_enable = 1;
|
| 129 |
+
end
|
| 130 |
+
else begin
|
| 131 |
+
serial_clock_output_enable = 0;
|
| 132 |
+
end
|
| 133 |
+
|
| 134 |
+
case (state)
|
| 135 |
+
S_IDLE: begin
|
| 136 |
+
_process_counter = 0;
|
| 137 |
+
_bit_counter = 0;
|
| 138 |
+
_last_acknowledge = 0;
|
| 139 |
+
_busy = 0;
|
| 140 |
+
_saved_read_write = read_write;
|
| 141 |
+
_saved_register_address = register_address;
|
| 142 |
+
_saved_device_address = {device_address,1'b0};
|
| 143 |
+
_saved_mosi_data = mosi_data;
|
| 144 |
+
_serial_data = 1;
|
| 145 |
+
_serial_clock = 1;
|
| 146 |
+
|
| 147 |
+
if (enable) begin
|
| 148 |
+
_state = S_START;
|
| 149 |
+
_post_state = S_WRITE_ADDR_W;
|
| 150 |
+
_busy = 1;
|
| 151 |
+
end
|
| 152 |
+
end
|
| 153 |
+
S_START: begin
|
| 154 |
+
if (divider_tick) begin
|
| 155 |
+
case (process_counter)
|
| 156 |
+
0: begin
|
| 157 |
+
_process_counter = 1;
|
| 158 |
+
end
|
| 159 |
+
1: begin
|
| 160 |
+
_serial_data = 0;
|
| 161 |
+
_process_counter = 2;
|
| 162 |
+
end
|
| 163 |
+
2: begin
|
| 164 |
+
_bit_counter = 8;
|
| 165 |
+
_process_counter = 3;
|
| 166 |
+
end
|
| 167 |
+
3: begin
|
| 168 |
+
_serial_clock = 0;
|
| 169 |
+
_process_counter = 0;
|
| 170 |
+
_state = post_state;
|
| 171 |
+
_serial_data = saved_device_address[ADDRESS_WIDTH];
|
| 172 |
+
end
|
| 173 |
+
endcase
|
| 174 |
+
end
|
| 175 |
+
end
|
| 176 |
+
S_WRITE_ADDR_W: begin
|
| 177 |
+
if (divider_tick) begin
|
| 178 |
+
case (process_counter)
|
| 179 |
+
0: begin
|
| 180 |
+
_serial_clock = 1;
|
| 181 |
+
_process_counter = 1;
|
| 182 |
+
end
|
| 183 |
+
1: begin
|
| 184 |
+
if (external_serial_clock == 1) begin
|
| 185 |
+
_process_counter = 2;
|
| 186 |
+
end
|
| 187 |
+
end
|
| 188 |
+
2: begin
|
| 189 |
+
_serial_clock = 0;
|
| 190 |
+
_bit_counter = bit_counter - 1;
|
| 191 |
+
_process_counter = 3;
|
| 192 |
+
end
|
| 193 |
+
3: begin
|
| 194 |
+
if (bit_counter == 0) begin
|
| 195 |
+
_post_serial_data = saved_register_address[REGISTER_WIDTH-1];
|
| 196 |
+
|
| 197 |
+
if (REGISTER_WIDTH == 16) begin
|
| 198 |
+
_post_state = S_WRITE_REG_ADDR_MSB;
|
| 199 |
+
end
|
| 200 |
+
else begin
|
| 201 |
+
_post_state = S_WRITE_REG_ADDR;
|
| 202 |
+
end
|
| 203 |
+
|
| 204 |
+
_state = S_CHECK_ACK;
|
| 205 |
+
_bit_counter = 8;
|
| 206 |
+
end
|
| 207 |
+
else begin
|
| 208 |
+
_serial_data = saved_device_address[bit_counter-1];
|
| 209 |
+
end
|
| 210 |
+
_process_counter = 0;
|
| 211 |
+
end
|
| 212 |
+
endcase
|
| 213 |
+
end
|
| 214 |
+
end
|
| 215 |
+
S_CHECK_ACK: begin
|
| 216 |
+
if (divider_tick) begin
|
| 217 |
+
case (process_counter)
|
| 218 |
+
0: begin
|
| 219 |
+
_serial_clock = 1;
|
| 220 |
+
_process_counter = 1;
|
| 221 |
+
end
|
| 222 |
+
1: begin
|
| 223 |
+
if (external_serial_clock == 1) begin
|
| 224 |
+
_last_acknowledge = 0;
|
| 225 |
+
_process_counter = 2;
|
| 226 |
+
end
|
| 227 |
+
end
|
| 228 |
+
2: begin
|
| 229 |
+
_serial_clock = 0;
|
| 230 |
+
|
| 231 |
+
if (external_serial_data == 0) begin
|
| 232 |
+
_last_acknowledge = 1;
|
| 233 |
+
end
|
| 234 |
+
_process_counter = 3;
|
| 235 |
+
end
|
| 236 |
+
3: begin
|
| 237 |
+
if (last_acknowledge == 1) begin
|
| 238 |
+
_last_acknowledge = 0;
|
| 239 |
+
_serial_data = post_serial_data;
|
| 240 |
+
_state = post_state;
|
| 241 |
+
end
|
| 242 |
+
else begin
|
| 243 |
+
_state = S_IDLE;
|
| 244 |
+
end
|
| 245 |
+
_process_counter = 0;
|
| 246 |
+
end
|
| 247 |
+
endcase
|
| 248 |
+
end
|
| 249 |
+
end
|
| 250 |
+
S_WRITE_REG_ADDR_MSB: begin
|
| 251 |
+
if (divider_tick) begin
|
| 252 |
+
case (process_counter)
|
| 253 |
+
0: begin
|
| 254 |
+
_serial_clock = 1;
|
| 255 |
+
_process_counter = 1;
|
| 256 |
+
end
|
| 257 |
+
1: begin
|
| 258 |
+
if (external_serial_clock == 1) begin
|
| 259 |
+
_last_acknowledge = 0;
|
| 260 |
+
_process_counter = 2;
|
| 261 |
+
end
|
| 262 |
+
end
|
| 263 |
+
2: begin
|
| 264 |
+
_serial_clock = 0;
|
| 265 |
+
_bit_counter = bit_counter - 1;
|
| 266 |
+
_process_counter = 3;
|
| 267 |
+
end
|
| 268 |
+
3: begin
|
| 269 |
+
if (bit_counter == 0) begin
|
| 270 |
+
_post_state = S_WRITE_REG_ADDR;
|
| 271 |
+
_post_serial_data = saved_register_address[7];
|
| 272 |
+
_bit_counter = 8;
|
| 273 |
+
_serial_data = 0;
|
| 274 |
+
_state = S_CHECK_ACK;
|
| 275 |
+
end
|
| 276 |
+
else begin
|
| 277 |
+
_serial_data = saved_register_address[bit_counter+3'd7];
|
| 278 |
+
end
|
| 279 |
+
_process_counter = 0;
|
| 280 |
+
end
|
| 281 |
+
endcase
|
| 282 |
+
end
|
| 283 |
+
end
|
| 284 |
+
S_WRITE_REG_ADDR: begin
|
| 285 |
+
if (divider_tick) begin
|
| 286 |
+
case (process_counter)
|
| 287 |
+
0: begin
|
| 288 |
+
_serial_clock = 1;
|
| 289 |
+
_process_counter = 1;
|
| 290 |
+
end
|
| 291 |
+
1: begin
|
| 292 |
+
if (external_serial_clock == 1) begin
|
| 293 |
+
_last_acknowledge = 0;
|
| 294 |
+
_process_counter = 2;
|
| 295 |
+
end
|
| 296 |
+
end
|
| 297 |
+
2: begin
|
| 298 |
+
_serial_clock = 0;
|
| 299 |
+
_bit_counter = bit_counter - 1;
|
| 300 |
+
_process_counter = 3;
|
| 301 |
+
end
|
| 302 |
+
3: begin
|
| 303 |
+
if (bit_counter == 0) begin
|
| 304 |
+
if (read_write == 0) begin
|
| 305 |
+
if (DATA_WIDTH == 16) begin
|
| 306 |
+
_post_state = S_WRITE_REG_DATA_MSB;
|
| 307 |
+
_post_serial_data = saved_mosi_data[15];
|
| 308 |
+
end
|
| 309 |
+
else begin
|
| 310 |
+
_post_state = S_WRITE_REG_DATA;
|
| 311 |
+
_post_serial_data = saved_mosi_data[7];
|
| 312 |
+
end
|
| 313 |
+
end
|
| 314 |
+
else begin
|
| 315 |
+
_post_state = S_RESTART;
|
| 316 |
+
_post_serial_data = 1;
|
| 317 |
+
end
|
| 318 |
+
_bit_counter = 8;
|
| 319 |
+
_serial_data = 0;
|
| 320 |
+
_state = S_CHECK_ACK;
|
| 321 |
+
end
|
| 322 |
+
else begin
|
| 323 |
+
_serial_data = saved_register_address[bit_counter-1];
|
| 324 |
+
end
|
| 325 |
+
_process_counter = 0;
|
| 326 |
+
end
|
| 327 |
+
endcase
|
| 328 |
+
end
|
| 329 |
+
end
|
| 330 |
+
S_WRITE_REG_DATA_MSB: begin
|
| 331 |
+
if (divider_tick) begin
|
| 332 |
+
case (process_counter)
|
| 333 |
+
0: begin
|
| 334 |
+
_serial_clock = 1;
|
| 335 |
+
_process_counter = 1;
|
| 336 |
+
end
|
| 337 |
+
1: begin
|
| 338 |
+
if (external_serial_clock == 1) begin
|
| 339 |
+
_last_acknowledge = 1;
|
| 340 |
+
_process_counter = 2;
|
| 341 |
+
end
|
| 342 |
+
end
|
| 343 |
+
2: begin
|
| 344 |
+
_serial_clock = 0;
|
| 345 |
+
_bit_counter = bit_counter - 1;
|
| 346 |
+
_process_counter = 3;
|
| 347 |
+
end
|
| 348 |
+
3: begin
|
| 349 |
+
if (bit_counter == 0) begin
|
| 350 |
+
_state = S_CHECK_ACK;
|
| 351 |
+
_post_state = S_WRITE_REG_DATA;
|
| 352 |
+
_post_serial_data = saved_mosi_data[7];
|
| 353 |
+
_bit_counter = 8;
|
| 354 |
+
_serial_data = 0;
|
| 355 |
+
end
|
| 356 |
+
else begin
|
| 357 |
+
_serial_data = saved_mosi_data[bit_counter+3'd7];
|
| 358 |
+
end
|
| 359 |
+
_process_counter = 0;
|
| 360 |
+
end
|
| 361 |
+
endcase
|
| 362 |
+
end
|
| 363 |
+
end
|
| 364 |
+
S_WRITE_REG_DATA: begin
|
| 365 |
+
if (divider_tick) begin
|
| 366 |
+
case (process_counter)
|
| 367 |
+
0: begin
|
| 368 |
+
_serial_clock = 1;
|
| 369 |
+
_process_counter = 1;
|
| 370 |
+
end
|
| 371 |
+
1: begin
|
| 372 |
+
if (external_serial_clock == 1) begin
|
| 373 |
+
_last_acknowledge = 0;
|
| 374 |
+
_process_counter = 2;
|
| 375 |
+
end
|
| 376 |
+
end
|
| 377 |
+
2: begin
|
| 378 |
+
_serial_clock = 0;
|
| 379 |
+
_bit_counter = bit_counter - 1;
|
| 380 |
+
_process_counter = 3;
|
| 381 |
+
end
|
| 382 |
+
3: begin
|
| 383 |
+
if (bit_counter == 0) begin
|
| 384 |
+
_state = S_CHECK_ACK;
|
| 385 |
+
_post_state = S_SEND_STOP;
|
| 386 |
+
_post_serial_data = 0;
|
| 387 |
+
_bit_counter = 8;
|
| 388 |
+
_serial_data = 0;
|
| 389 |
+
end
|
| 390 |
+
else begin
|
| 391 |
+
_serial_data = saved_mosi_data[bit_counter-1];
|
| 392 |
+
end
|
| 393 |
+
_process_counter = 0;
|
| 394 |
+
end
|
| 395 |
+
endcase
|
| 396 |
+
end
|
| 397 |
+
end
|
| 398 |
+
S_RESTART: begin
|
| 399 |
+
if (divider_tick) begin
|
| 400 |
+
case (process_counter)
|
| 401 |
+
0: begin
|
| 402 |
+
_process_counter = 1;
|
| 403 |
+
end
|
| 404 |
+
1: begin
|
| 405 |
+
_process_counter = 2;
|
| 406 |
+
_serial_clock = 1;
|
| 407 |
+
end
|
| 408 |
+
2: begin
|
| 409 |
+
_process_counter = 3;
|
| 410 |
+
end
|
| 411 |
+
3: begin
|
| 412 |
+
_state = S_START;
|
| 413 |
+
_post_state = S_WRITE_ADDR_R;
|
| 414 |
+
_saved_device_address[0] = 1;
|
| 415 |
+
_process_counter = 0;
|
| 416 |
+
end
|
| 417 |
+
endcase
|
| 418 |
+
end
|
| 419 |
+
end
|
| 420 |
+
S_WRITE_ADDR_R: begin
|
| 421 |
+
if (divider_tick) begin
|
| 422 |
+
case (process_counter)
|
| 423 |
+
0: begin
|
| 424 |
+
_serial_clock = 1;
|
| 425 |
+
_process_counter = 1;
|
| 426 |
+
end
|
| 427 |
+
1: begin
|
| 428 |
+
if (external_serial_clock == 1) begin
|
| 429 |
+
_last_acknowledge = 0;
|
| 430 |
+
_process_counter = 2;
|
| 431 |
+
end
|
| 432 |
+
end
|
| 433 |
+
2: begin
|
| 434 |
+
_serial_clock = 0;
|
| 435 |
+
_bit_counter = bit_counter - 1;
|
| 436 |
+
_process_counter = 3;
|
| 437 |
+
end
|
| 438 |
+
3: begin
|
| 439 |
+
if (bit_counter == 0) begin
|
| 440 |
+
if (DATA_WIDTH == 16) begin
|
| 441 |
+
_post_state = S_READ_REG_MSB;
|
| 442 |
+
_post_serial_data = 0;
|
| 443 |
+
end
|
| 444 |
+
else begin
|
| 445 |
+
_post_state = S_READ_REG;
|
| 446 |
+
_post_serial_data = 0;
|
| 447 |
+
end
|
| 448 |
+
_state = S_CHECK_ACK;
|
| 449 |
+
_bit_counter = 8;
|
| 450 |
+
end
|
| 451 |
+
else begin
|
| 452 |
+
_serial_data = saved_device_address[bit_counter-1];
|
| 453 |
+
end
|
| 454 |
+
_process_counter = 0;
|
| 455 |
+
end
|
| 456 |
+
endcase
|
| 457 |
+
end
|
| 458 |
+
end
|
| 459 |
+
S_READ_REG_MSB: begin
|
| 460 |
+
if (divider_tick) begin
|
| 461 |
+
case (process_counter)
|
| 462 |
+
0: begin
|
| 463 |
+
_serial_clock = 1;
|
| 464 |
+
_process_counter = 1;
|
| 465 |
+
end
|
| 466 |
+
1: begin
|
| 467 |
+
if (external_serial_clock == 1) begin
|
| 468 |
+
_last_acknowledge = 0;
|
| 469 |
+
_process_counter = 2;
|
| 470 |
+
end
|
| 471 |
+
end
|
| 472 |
+
2: begin
|
| 473 |
+
_serial_clock = 0;
|
| 474 |
+
//sample data on this rising edge of scl
|
| 475 |
+
_miso_data[bit_counter+7] = external_serial_data;
|
| 476 |
+
_bit_counter = bit_counter - 1;
|
| 477 |
+
_process_counter = 3;
|
| 478 |
+
end
|
| 479 |
+
3: begin
|
| 480 |
+
if (bit_counter == 0) begin
|
| 481 |
+
_post_state = S_READ_REG;
|
| 482 |
+
_state = S_SEND_ACK;
|
| 483 |
+
_bit_counter = 8;
|
| 484 |
+
_serial_data = 0;
|
| 485 |
+
end
|
| 486 |
+
_process_counter = 0;
|
| 487 |
+
end
|
| 488 |
+
endcase
|
| 489 |
+
end
|
| 490 |
+
end
|
| 491 |
+
S_READ_REG: begin
|
| 492 |
+
if (divider_tick) begin
|
| 493 |
+
case (process_counter)
|
| 494 |
+
0: begin
|
| 495 |
+
_serial_clock = 1;
|
| 496 |
+
_process_counter = 1;
|
| 497 |
+
end
|
| 498 |
+
1: begin
|
| 499 |
+
if (external_serial_clock) begin
|
| 500 |
+
_last_acknowledge = 0;
|
| 501 |
+
_process_counter = 2;
|
| 502 |
+
end
|
| 503 |
+
end
|
| 504 |
+
2: begin
|
| 505 |
+
_serial_clock = 0;
|
| 506 |
+
//sample data on this rising edge of scl
|
| 507 |
+
_miso_data[bit_counter-1] = external_serial_data;
|
| 508 |
+
_bit_counter = bit_counter - 1;
|
| 509 |
+
_process_counter = 3;
|
| 510 |
+
end
|
| 511 |
+
3: begin
|
| 512 |
+
if (bit_counter == 0) begin
|
| 513 |
+
_state = S_SEND_NACK;
|
| 514 |
+
_serial_data = 0;
|
| 515 |
+
end
|
| 516 |
+
_process_counter = 0;
|
| 517 |
+
end
|
| 518 |
+
endcase
|
| 519 |
+
end
|
| 520 |
+
end
|
| 521 |
+
S_SEND_NACK: begin
|
| 522 |
+
if (divider_tick) begin
|
| 523 |
+
case (process_counter)
|
| 524 |
+
0: begin
|
| 525 |
+
_serial_clock = 1;
|
| 526 |
+
_serial_data = 1;
|
| 527 |
+
_process_counter = 1;
|
| 528 |
+
end
|
| 529 |
+
1: begin
|
| 530 |
+
if (external_serial_clock) begin
|
| 531 |
+
_last_acknowledge = 0;
|
| 532 |
+
_process_counter = 2;
|
| 533 |
+
end
|
| 534 |
+
end
|
| 535 |
+
2: begin
|
| 536 |
+
_process_counter = 3;
|
| 537 |
+
_serial_clock = 0;
|
| 538 |
+
end
|
| 539 |
+
3: begin
|
| 540 |
+
_state = S_SEND_STOP;
|
| 541 |
+
_process_counter = 0;
|
| 542 |
+
_serial_data = 0;
|
| 543 |
+
end
|
| 544 |
+
endcase
|
| 545 |
+
end
|
| 546 |
+
end
|
| 547 |
+
S_SEND_ACK: begin
|
| 548 |
+
if (divider_tick) begin
|
| 549 |
+
case (process_counter)
|
| 550 |
+
0: begin
|
| 551 |
+
_serial_clock = 1;
|
| 552 |
+
_process_counter = 1;
|
| 553 |
+
_serial_data = 0;
|
| 554 |
+
end
|
| 555 |
+
1: begin
|
| 556 |
+
if (external_serial_clock) begin
|
| 557 |
+
_process_counter = 2;
|
| 558 |
+
end
|
| 559 |
+
end
|
| 560 |
+
2: begin
|
| 561 |
+
_process_counter = 3;
|
| 562 |
+
_serial_clock = 0;
|
| 563 |
+
end
|
| 564 |
+
3: begin
|
| 565 |
+
_state = post_state;
|
| 566 |
+
_process_counter = 0;
|
| 567 |
+
end
|
| 568 |
+
endcase
|
| 569 |
+
end
|
| 570 |
+
end
|
| 571 |
+
S_SEND_STOP: begin
|
| 572 |
+
if (divider_tick) begin
|
| 573 |
+
case (process_counter)
|
| 574 |
+
0: begin
|
| 575 |
+
_serial_clock = 1;
|
| 576 |
+
_process_counter = 1;
|
| 577 |
+
end
|
| 578 |
+
1: begin
|
| 579 |
+
if (external_serial_clock == 1) begin
|
| 580 |
+
_process_counter = 2;
|
| 581 |
+
end
|
| 582 |
+
end
|
| 583 |
+
2: begin
|
| 584 |
+
_process_counter = 3;
|
| 585 |
+
_serial_data = 1;
|
| 586 |
+
end
|
| 587 |
+
3: begin
|
| 588 |
+
_state = S_IDLE;
|
| 589 |
+
end
|
| 590 |
+
endcase
|
| 591 |
+
end
|
| 592 |
+
end
|
| 593 |
+
endcase
|
| 594 |
+
end
|
| 595 |
+
|
| 596 |
+
always_ff @(posedge clock) begin
|
| 597 |
+
if (!reset_n) begin
|
| 598 |
+
state <= S_IDLE;
|
| 599 |
+
post_state <= S_IDLE;
|
| 600 |
+
process_counter <= 0;
|
| 601 |
+
bit_counter <= 0;
|
| 602 |
+
last_acknowledge <= 0;
|
| 603 |
+
miso_data <= 0;
|
| 604 |
+
saved_read_write <= 0;
|
| 605 |
+
divider_counter <= 0;
|
| 606 |
+
saved_device_address <= 0;
|
| 607 |
+
saved_register_address <= 0;
|
| 608 |
+
saved_mosi_data <= 0;
|
| 609 |
+
serial_clock <= 0;
|
| 610 |
+
serial_data <= 0;
|
| 611 |
+
saved_mosi_data <= 0;
|
| 612 |
+
post_serial_data <= 0;
|
| 613 |
+
busy <= 0;
|
| 614 |
+
end
|
| 615 |
+
else begin
|
| 616 |
+
state <= _state;
|
| 617 |
+
post_state <= _post_state;
|
| 618 |
+
process_counter <= _process_counter;
|
| 619 |
+
bit_counter <= _bit_counter;
|
| 620 |
+
last_acknowledge <= _last_acknowledge;
|
| 621 |
+
miso_data <= _miso_data;
|
| 622 |
+
saved_read_write <= _saved_read_write;
|
| 623 |
+
divider_counter <= _divider_counter;
|
| 624 |
+
saved_device_address <= _saved_device_address;
|
| 625 |
+
saved_register_address <= _saved_register_address;
|
| 626 |
+
saved_mosi_data <= _saved_mosi_data;
|
| 627 |
+
serial_clock <= _serial_clock;
|
| 628 |
+
serial_data <= _serial_data;
|
| 629 |
+
post_serial_data <= _post_serial_data;
|
| 630 |
+
busy <= _busy;
|
| 631 |
+
end
|
| 632 |
+
end
|
| 633 |
+
|
| 634 |
+
endmodule
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/mem_system_top.sv
ADDED
|
@@ -0,0 +1,236 @@
|
|
|
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|
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|
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|
|
|
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|
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|
|
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|
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|
|
|
|
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|
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|
|
|
|
|
|
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|
|
|
|
|
|
|
|
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|
|
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|
|
|
|
|
|
|
|
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|
|
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|
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|
|
|
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|
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|
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|
|
|
|
|
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|
|
|
|
|
|
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|
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|
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|
|
|
|
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|
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|
|
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|
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|
|
|
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|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
// mem_system_top.v
|
| 2 |
+
|
| 3 |
+
module mem_system_top #(parameter ISSIMU=0)
|
| 4 |
+
(
|
| 5 |
+
input xClk,
|
| 6 |
+
input fClk,
|
| 7 |
+
input hClk,
|
| 8 |
+
input reset,
|
| 9 |
+
|
| 10 |
+
input QSPI_CLK,
|
| 11 |
+
input QSPI_MOSI,
|
| 12 |
+
input QSPI_MISO,
|
| 13 |
+
input QSPI_CS,
|
| 14 |
+
input QSPI_WP,
|
| 15 |
+
input QSPI_HD,
|
| 16 |
+
|
| 17 |
+
output PS_CE_N,
|
| 18 |
+
output PS_CLK,
|
| 19 |
+
inout [7:0] PS_DQ,
|
| 20 |
+
inout PS_DQS,
|
| 21 |
+
|
| 22 |
+
input hGBNewLine,
|
| 23 |
+
input [22:0] hGBAddress,
|
| 24 |
+
input hGBWrite,
|
| 25 |
+
input [15:0] hGBData,
|
| 26 |
+
|
| 27 |
+
input hValid,
|
| 28 |
+
input hHsync,
|
| 29 |
+
input hVsync,
|
| 30 |
+
output qMenuInit,
|
| 31 |
+
output [15:0] hWrBurstQ,
|
| 32 |
+
output [15:0] hWrBurstQ2,
|
| 33 |
+
|
| 34 |
+
output BIST_failed,
|
| 35 |
+
output BIST_finished
|
| 36 |
+
);
|
| 37 |
+
|
| 38 |
+
localparam RAMPORTCOUNT = 5;
|
| 39 |
+
localparam RAMPORT_BIST = 0;
|
| 40 |
+
localparam RAMPORT_QSPI = 1;
|
| 41 |
+
localparam RAMPORT_FBRD = 2;
|
| 42 |
+
localparam RAMPORT_FBWR = 3;
|
| 43 |
+
localparam RAMPORT_FBRDOSD = 4;
|
| 44 |
+
|
| 45 |
+
typedef logic tRAMIn_request [RAMPORTCOUNT];
|
| 46 |
+
typedef logic tRAMIn_RnW [RAMPORTCOUNT];
|
| 47 |
+
typedef logic [22:0] tRAMIn_addr [RAMPORTCOUNT];
|
| 48 |
+
typedef logic [15:0] tRAMIn_din [RAMPORTCOUNT];
|
| 49 |
+
typedef logic [10:0] tRAMIn_burst_length[RAMPORTCOUNT];
|
| 50 |
+
|
| 51 |
+
typedef logic tRAMOut_writeNext [RAMPORTCOUNT];
|
| 52 |
+
typedef logic tRAMOut_done [RAMPORTCOUNT];
|
| 53 |
+
typedef logic tRAMOut_dout_valid [RAMPORTCOUNT];
|
| 54 |
+
|
| 55 |
+
tRAMIn_request RAMIn_request;
|
| 56 |
+
tRAMIn_RnW RAMIn_RnW;
|
| 57 |
+
tRAMIn_addr RAMIn_addr;
|
| 58 |
+
tRAMIn_din RAMIn_din;
|
| 59 |
+
tRAMIn_burst_length RAMIn_burst_length;
|
| 60 |
+
|
| 61 |
+
tRAMOut_writeNext RAMOut_writeNext;
|
| 62 |
+
tRAMOut_done RAMOut_done;
|
| 63 |
+
tRAMOut_dout_valid RAMOut_dout_valid;
|
| 64 |
+
|
| 65 |
+
wire BIST_req_read;
|
| 66 |
+
wire BIST_req_write;
|
| 67 |
+
assign RAMIn_request[RAMPORT_BIST] = BIST_req_read | BIST_req_write;
|
| 68 |
+
assign RAMIn_RnW[RAMPORT_BIST] = BIST_req_read;
|
| 69 |
+
|
| 70 |
+
assign RAMIn_RnW[RAMPORT_QSPI] = 1'b0;
|
| 71 |
+
assign RAMIn_burst_length[RAMPORT_QSPI] = 11'd1024;
|
| 72 |
+
|
| 73 |
+
assign RAMIn_RnW[RAMPORT_FBRD] = 1'b1;
|
| 74 |
+
assign RAMIn_burst_length[RAMPORT_FBRD] = 11'd320;
|
| 75 |
+
assign RAMIn_din[RAMPORT_FBRD] = 16'd0;
|
| 76 |
+
|
| 77 |
+
assign RAMIn_RnW[RAMPORT_FBRDOSD] = 1'b1;
|
| 78 |
+
assign RAMIn_burst_length[RAMPORT_FBRDOSD] = 11'd320;
|
| 79 |
+
assign RAMIn_din[RAMPORT_FBRDOSD] = 16'd0;
|
| 80 |
+
|
| 81 |
+
assign RAMIn_RnW[RAMPORT_FBWR] = 1'b0;
|
| 82 |
+
assign RAMIn_burst_length[RAMPORT_FBWR] = 11'd320;
|
| 83 |
+
|
| 84 |
+
wire RAM_ready;
|
| 85 |
+
wire [15:0] RAM_dout;
|
| 86 |
+
|
| 87 |
+
MultiPortRamCtrl #(ISSIMU)
|
| 88 |
+
iMultiPortRamCtrl
|
| 89 |
+
(
|
| 90 |
+
.clk_sys (xClk),
|
| 91 |
+
.clk_fsys (fClk),
|
| 92 |
+
.rst (reset),
|
| 93 |
+
|
| 94 |
+
.RAMIn_request (RAMIn_request),
|
| 95 |
+
.RAMIn_RnW (RAMIn_RnW),
|
| 96 |
+
.RAMIn_addr (RAMIn_addr),
|
| 97 |
+
.RAMIn_din (RAMIn_din),
|
| 98 |
+
.RAMIn_burst_length (RAMIn_burst_length),
|
| 99 |
+
|
| 100 |
+
.RAMOut_writeNext (RAMOut_writeNext),
|
| 101 |
+
.RAMOut_done (RAMOut_done),
|
| 102 |
+
.RAMOut_dout_valid (RAMOut_dout_valid),
|
| 103 |
+
|
| 104 |
+
.ram_ready (RAM_ready),
|
| 105 |
+
.ram_dout (RAM_dout),
|
| 106 |
+
|
| 107 |
+
.psram_clk (PS_CLK),
|
| 108 |
+
.psram_cs_n (PS_CE_N),
|
| 109 |
+
.psram_rwds (PS_DQS),
|
| 110 |
+
.psram_dq (PS_DQ)
|
| 111 |
+
);
|
| 112 |
+
|
| 113 |
+
PSRAMBIST_Burst #(
|
| 114 |
+
.BIST_BURSTLENGTH(512),
|
| 115 |
+
.SHORTTEST(1)
|
| 116 |
+
)
|
| 117 |
+
iPSRAMBIST_Burst
|
| 118 |
+
(
|
| 119 |
+
.clk (xClk),
|
| 120 |
+
.rst (reset),
|
| 121 |
+
|
| 122 |
+
.test_finished (BIST_finished),
|
| 123 |
+
.test_failed (BIST_failed),
|
| 124 |
+
|
| 125 |
+
.ram_req_read (BIST_req_read),
|
| 126 |
+
.ram_req_write (BIST_req_write),
|
| 127 |
+
.ram_addr (RAMIn_addr[RAMPORT_BIST]),
|
| 128 |
+
.ram_din (RAMIn_din[RAMPORT_BIST]),
|
| 129 |
+
.burst_length (RAMIn_burst_length[RAMPORT_BIST]),
|
| 130 |
+
.ram_ready (RAM_ready),
|
| 131 |
+
.ram_writeNext (RAMOut_writeNext[RAMPORT_BIST]),
|
| 132 |
+
.ram_done (RAMOut_done[RAMPORT_BIST]),
|
| 133 |
+
.ram_dout (RAM_dout),
|
| 134 |
+
.ram_dout_valid (RAMOut_dout_valid[RAMPORT_BIST])
|
| 135 |
+
);
|
| 136 |
+
|
| 137 |
+
wire [15:0] qData;
|
| 138 |
+
wire [31:0] qAddress;
|
| 139 |
+
wire qDataValid;
|
| 140 |
+
|
| 141 |
+
QSPI_Slave u_QSPI_Slave(
|
| 142 |
+
.QSPI_CLK(QSPI_CLK),
|
| 143 |
+
.QSPI_CS(QSPI_CS),
|
| 144 |
+
.QSPI_MOSI(QSPI_MOSI),
|
| 145 |
+
.QSPI_MISO(QSPI_MISO),
|
| 146 |
+
.QSPI_WP(QSPI_WP),
|
| 147 |
+
.QSPI_HD(QSPI_HD),
|
| 148 |
+
|
| 149 |
+
.qMenuInit(qMenuInit),
|
| 150 |
+
.qDataValid(qDataValid),
|
| 151 |
+
.qData(qData),
|
| 152 |
+
.qAddress(qAddress)
|
| 153 |
+
);
|
| 154 |
+
|
| 155 |
+
mm_burst_write u_mm_burst_write(
|
| 156 |
+
.QSPI_CLK(QSPI_CLK),
|
| 157 |
+
.QSPI_CS(QSPI_CS),
|
| 158 |
+
.qAddress(qAddress),
|
| 159 |
+
.qDataValid(qDataValid),
|
| 160 |
+
.qData(qData),
|
| 161 |
+
|
| 162 |
+
.xClk(xClk),
|
| 163 |
+
// Standard FIFO uses xRegWrite here (not FWFT FIFO)
|
| 164 |
+
.xRdEn(RAMOut_writeNext[RAMPORT_QSPI]),
|
| 165 |
+
.xRamReady(BIST_finished),
|
| 166 |
+
.xMcuReqWrite(RAMIn_request[RAMPORT_QSPI]),
|
| 167 |
+
.xDout(RAMIn_din[RAMPORT_QSPI]),
|
| 168 |
+
.xAddress(RAMIn_addr[RAMPORT_QSPI])
|
| 169 |
+
);
|
| 170 |
+
|
| 171 |
+
mm_burst_read_to_stream #(
|
| 172 |
+
.base_pointer(23'h10000)
|
| 173 |
+
) u_mm_burst_read_to_stream(
|
| 174 |
+
.hClk(hClk),
|
| 175 |
+
.hVsync(hVsync),
|
| 176 |
+
.hHsync(hHsync),
|
| 177 |
+
.hValid(hValid),
|
| 178 |
+
.xClk(xClk),
|
| 179 |
+
|
| 180 |
+
.xRamReady(BIST_finished),
|
| 181 |
+
.xStreamValid(RAMOut_dout_valid[RAMPORT_FBRD]),
|
| 182 |
+
.xStreamData(RAM_dout),
|
| 183 |
+
.xWrBurstDone(RAMOut_done[RAMPORT_FBRD]),
|
| 184 |
+
.xGbReqRead(RAMIn_request[RAMPORT_FBRD]),
|
| 185 |
+
|
| 186 |
+
.hWrBurstQ(hWrBurstQ),
|
| 187 |
+
.xGbAddress(RAMIn_addr[RAMPORT_FBRD])
|
| 188 |
+
);
|
| 189 |
+
|
| 190 |
+
reg hVsync_r1;
|
| 191 |
+
reg hHsync_r1;
|
| 192 |
+
reg hValid_r1;
|
| 193 |
+
always@(posedge hClk)
|
| 194 |
+
begin
|
| 195 |
+
hVsync_r1 <= hVsync;
|
| 196 |
+
hHsync_r1 <= hHsync;
|
| 197 |
+
hValid_r1 <= hValid;
|
| 198 |
+
end
|
| 199 |
+
|
| 200 |
+
mm_burst_read_to_stream #(
|
| 201 |
+
.base_pointer(23'h0)
|
| 202 |
+
) u_mm_burst_read_to_stream_osd(
|
| 203 |
+
.hClk(hClk),
|
| 204 |
+
.hVsync(hVsync_r1),
|
| 205 |
+
.hHsync(hHsync_r1),
|
| 206 |
+
.hValid(hValid_r1),
|
| 207 |
+
.xClk(xClk),
|
| 208 |
+
|
| 209 |
+
.xRamReady(BIST_finished),
|
| 210 |
+
.xStreamValid(RAMOut_dout_valid[RAMPORT_FBRDOSD]),
|
| 211 |
+
.xStreamData(RAM_dout),
|
| 212 |
+
.xWrBurstDone(RAMOut_done[RAMPORT_FBRDOSD]),
|
| 213 |
+
.xGbReqRead(RAMIn_request[RAMPORT_FBRDOSD]),
|
| 214 |
+
|
| 215 |
+
.hWrBurstQ(hWrBurstQ2),
|
| 216 |
+
.xGbAddress(RAMIn_addr[RAMPORT_FBRDOSD])
|
| 217 |
+
);
|
| 218 |
+
|
| 219 |
+
|
| 220 |
+
gb_burst_write u_gb_burst_write(
|
| 221 |
+
.hClk(hClk),
|
| 222 |
+
.hVsync(hVsync),
|
| 223 |
+
.hNewLine(hGBNewLine),
|
| 224 |
+
.hAddress(hGBAddress),
|
| 225 |
+
.hWrite(hGBWrite),
|
| 226 |
+
.hData(hGBData),
|
| 227 |
+
|
| 228 |
+
.xClk(xClk),
|
| 229 |
+
.xRdEn(RAMOut_writeNext[RAMPORT_FBWR]),
|
| 230 |
+
.xRamReady(BIST_finished),
|
| 231 |
+
.xMcuReqWrite(RAMIn_request[RAMPORT_FBWR]),
|
| 232 |
+
.xDout(RAMIn_din[RAMPORT_FBWR]),
|
| 233 |
+
.xAddress(RAMIn_addr[RAMPORT_FBWR])
|
| 234 |
+
);
|
| 235 |
+
|
| 236 |
+
endmodule
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/mm_burst_read_to_stream.v
ADDED
|
@@ -0,0 +1,110 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
// mm_burst_read_to_stream.v
|
| 2 |
+
//
|
| 3 |
+
// Generates an output stream aligned with the input timings
|
| 4 |
+
// by performing memory mapped burst reads
|
| 5 |
+
|
| 6 |
+
module mm_burst_read_to_stream #(
|
| 7 |
+
parameter base_pointer = 23'h0
|
| 8 |
+
)
|
| 9 |
+
(
|
| 10 |
+
input hClk,
|
| 11 |
+
input hVsync,
|
| 12 |
+
input hHsync,
|
| 13 |
+
input hValid,
|
| 14 |
+
input xClk,
|
| 15 |
+
|
| 16 |
+
input xRamReady,
|
| 17 |
+
input xStreamValid,
|
| 18 |
+
input [15:0] xStreamData,
|
| 19 |
+
input xWrBurstDone,
|
| 20 |
+
output reg xGbReqRead,
|
| 21 |
+
|
| 22 |
+
output reg [15:0] hWrBurstQ,
|
| 23 |
+
output reg [22:0] xGbAddress
|
| 24 |
+
|
| 25 |
+
);
|
| 26 |
+
|
| 27 |
+
localparam LINE_DEPTH = 160;
|
| 28 |
+
|
| 29 |
+
reg [15:0] lineRam [LINE_DEPTH-1:0];//23039:0];
|
| 30 |
+
initial begin : init_RAM
|
| 31 |
+
integer i;
|
| 32 |
+
for (i = 0; i < LINE_DEPTH; i = i + 1) lineRam[i] = 16'b0;
|
| 33 |
+
end
|
| 34 |
+
|
| 35 |
+
reg [14:0] xLineRam_wa;
|
| 36 |
+
reg [14:0] hLineRam_ra;
|
| 37 |
+
|
| 38 |
+
reg hVsync_r1;
|
| 39 |
+
always@(posedge hClk)
|
| 40 |
+
hVsync_r1 <= hVsync;
|
| 41 |
+
|
| 42 |
+
reg hHsync_r1;
|
| 43 |
+
always@(posedge hClk)
|
| 44 |
+
hHsync_r1 <= hHsync;
|
| 45 |
+
|
| 46 |
+
wire hStartOfFrame = ~hVsync_r1 & hVsync;
|
| 47 |
+
always@(posedge hClk)
|
| 48 |
+
hHsync_r1 <= hHsync;
|
| 49 |
+
wire hStartOfLine = ~hHsync_r1 & hHsync;
|
| 50 |
+
|
| 51 |
+
always@(posedge hClk)
|
| 52 |
+
if(hStartOfFrame)
|
| 53 |
+
hLineRam_ra <= 'd0;
|
| 54 |
+
else
|
| 55 |
+
if(hValid)
|
| 56 |
+
begin
|
| 57 |
+
if (hLineRam_ra < LINE_DEPTH)
|
| 58 |
+
hLineRam_ra <= hLineRam_ra + 1'd1;
|
| 59 |
+
end
|
| 60 |
+
else
|
| 61 |
+
if(hStartOfLine)
|
| 62 |
+
hLineRam_ra <= 'd0;
|
| 63 |
+
|
| 64 |
+
always@(posedge hClk)
|
| 65 |
+
hWrBurstQ <= lineRam[hLineRam_ra];
|
| 66 |
+
|
| 67 |
+
always@(posedge xClk)
|
| 68 |
+
if(xStreamValid)
|
| 69 |
+
lineRam[xLineRam_wa] <= xStreamData;
|
| 70 |
+
|
| 71 |
+
always@(posedge xClk)
|
| 72 |
+
begin
|
| 73 |
+
if(xStreamValid)
|
| 74 |
+
xLineRam_wa <= xLineRam_wa + 1'd1;
|
| 75 |
+
|
| 76 |
+
if(xWrBurstDone)
|
| 77 |
+
xLineRam_wa <= 'd0;
|
| 78 |
+
end
|
| 79 |
+
|
| 80 |
+
// TODO - cleanup CDC
|
| 81 |
+
|
| 82 |
+
reg [3:0] xHsync_sr;
|
| 83 |
+
always@(posedge xClk)
|
| 84 |
+
xHsync_sr <= {xHsync_sr[2:0], hHsync};
|
| 85 |
+
wire xEndOfLine = xHsync_sr[3:2] == 2'b10;
|
| 86 |
+
|
| 87 |
+
reg [3:0] xVsync_sr;
|
| 88 |
+
always@(posedge xClk)
|
| 89 |
+
xVsync_sr <= {xVsync_sr[2:0], hVsync};
|
| 90 |
+
wire xStartOfFrame = xVsync_sr[3:2] == 2'b01;
|
| 91 |
+
|
| 92 |
+
always@(posedge xClk)
|
| 93 |
+
begin
|
| 94 |
+
xGbReqRead <= 1'd0;
|
| 95 |
+
if(xEndOfLine || xStartOfFrame)
|
| 96 |
+
xGbReqRead <= xRamReady;
|
| 97 |
+
end
|
| 98 |
+
|
| 99 |
+
always@(posedge xClk)
|
| 100 |
+
begin
|
| 101 |
+
if(xStartOfFrame)
|
| 102 |
+
begin
|
| 103 |
+
xGbAddress <= base_pointer;
|
| 104 |
+
end
|
| 105 |
+
else
|
| 106 |
+
if(xEndOfLine)
|
| 107 |
+
xGbAddress <= xGbAddress + 2*LINE_DEPTH;
|
| 108 |
+
end
|
| 109 |
+
|
| 110 |
+
endmodule
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/mm_burst_write.v
ADDED
|
@@ -0,0 +1,52 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
// mm_burst_write.v
|
| 2 |
+
|
| 3 |
+
// Converts QSPI memory mapped transfer into a burst write to PSRAM
|
| 4 |
+
module mm_burst_write(
|
| 5 |
+
input QSPI_CLK,
|
| 6 |
+
input QSPI_CS,
|
| 7 |
+
input [31:0] qAddress,
|
| 8 |
+
input qDataValid,
|
| 9 |
+
input [15:0] qData,
|
| 10 |
+
|
| 11 |
+
input xClk,
|
| 12 |
+
input xRdEn,
|
| 13 |
+
input xRamReady,
|
| 14 |
+
output reg xMcuReqWrite,
|
| 15 |
+
|
| 16 |
+
output [15:0] xDout,
|
| 17 |
+
output [22:0] xAddress
|
| 18 |
+
);
|
| 19 |
+
|
| 20 |
+
assign xAddress = qAddress[22:0];
|
| 21 |
+
|
| 22 |
+
wire fifo_empty;
|
| 23 |
+
wire fifo_full;
|
| 24 |
+
wire fifo_almost_full;
|
| 25 |
+
fifo1k u_fifo1k(
|
| 26 |
+
.Data(qData), //input [15:0] Data
|
| 27 |
+
.WrReset(1'd0), //input WrReset
|
| 28 |
+
.RdReset(1'd0), //input RdReset
|
| 29 |
+
.WrClk(~QSPI_CLK), //input WrClk
|
| 30 |
+
.RdClk(xClk), //input RdClk
|
| 31 |
+
.WrEn(qDataValid), //input WrEn
|
| 32 |
+
.RdEn(xRdEn | xMcuReqWrite), //input RdEn
|
| 33 |
+
.Q(xDout), //output [15:0] Q
|
| 34 |
+
.Almost_Full(fifo_almost_full), //output Almost_Full
|
| 35 |
+
.Empty(fifo_empty), //output Empty
|
| 36 |
+
// Full is on the write clock domain
|
| 37 |
+
// Won't update when QSPI CS is high
|
| 38 |
+
.Full(fifo_full) //output Full
|
| 39 |
+
);
|
| 40 |
+
|
| 41 |
+
reg [3:0] xCS_sr;
|
| 42 |
+
always@(posedge xClk)
|
| 43 |
+
xCS_sr <= {xCS_sr[2:0], QSPI_CS};
|
| 44 |
+
|
| 45 |
+
always@(posedge xClk)
|
| 46 |
+
begin
|
| 47 |
+
xMcuReqWrite <= 1'd0;
|
| 48 |
+
if(xCS_sr[3:2] == 2'b01)
|
| 49 |
+
xMcuReqWrite <= xRamReady;
|
| 50 |
+
end
|
| 51 |
+
|
| 52 |
+
endmodule
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/mpmc.v
ADDED
|
@@ -0,0 +1,71 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
// mpmc.v
|
| 2 |
+
|
| 3 |
+
module mpmc(
|
| 4 |
+
input xClk,
|
| 5 |
+
|
| 6 |
+
// PSRAM interface
|
| 7 |
+
input xPsramReady,
|
| 8 |
+
input xPsramDone,
|
| 9 |
+
output reg xPsramReqRead,
|
| 10 |
+
output reg xPsramReqWrite,
|
| 11 |
+
output reg [31:0] xMemAddress,
|
| 12 |
+
output reg [10:0] xBurstLength,
|
| 13 |
+
|
| 14 |
+
// Port 1 (MCU writes)
|
| 15 |
+
input xMcuReqWrite,
|
| 16 |
+
output xMcuActive,
|
| 17 |
+
input [31:0] xMcuAddress,
|
| 18 |
+
input [10:0] xMcuBurstLength,
|
| 19 |
+
|
| 20 |
+
// Port 2 (Emulation reads)
|
| 21 |
+
input xGbReqRead,
|
| 22 |
+
output xGbActive,
|
| 23 |
+
input [31:0] xGbAddress,
|
| 24 |
+
input [10:0] xGbBurstLength
|
| 25 |
+
);
|
| 26 |
+
|
| 27 |
+
reg [1:0] xActiveChannel;
|
| 28 |
+
assign xMcuActive = xActiveChannel == 2'b01;
|
| 29 |
+
assign xGbActive = xActiveChannel == 2'b10;
|
| 30 |
+
|
| 31 |
+
wire xGrantMCU = xMcuReqWrite && xPsramReady;
|
| 32 |
+
// MCU gets priority in case of a tie
|
| 33 |
+
wire xGrantGB = xGbReqRead && xPsramReady && ~xMcuReqWrite;
|
| 34 |
+
|
| 35 |
+
always@(posedge xClk)
|
| 36 |
+
begin
|
| 37 |
+
xPsramReqRead <= xGrantGB;
|
| 38 |
+
xPsramReqWrite <= xGrantMCU;
|
| 39 |
+
end
|
| 40 |
+
|
| 41 |
+
always@(posedge xClk)
|
| 42 |
+
if(xGrantGB)
|
| 43 |
+
begin
|
| 44 |
+
xMemAddress <= xGbAddress;
|
| 45 |
+
xBurstLength <= xGbBurstLength;
|
| 46 |
+
end
|
| 47 |
+
else
|
| 48 |
+
begin
|
| 49 |
+
xMemAddress <= xMcuAddress;
|
| 50 |
+
xBurstLength <= xMcuBurstLength;
|
| 51 |
+
end
|
| 52 |
+
|
| 53 |
+
always@(posedge xClk)
|
| 54 |
+
begin
|
| 55 |
+
case(xActiveChannel)
|
| 56 |
+
// Idle
|
| 57 |
+
2'b00 :
|
| 58 |
+
begin
|
| 59 |
+
if(xGrantMCU)
|
| 60 |
+
xActiveChannel <= 2'b01;
|
| 61 |
+
else
|
| 62 |
+
if(xGbReqRead && xPsramReady)
|
| 63 |
+
xActiveChannel <= 2'b10;
|
| 64 |
+
end
|
| 65 |
+
// MCU or GB
|
| 66 |
+
default :
|
| 67 |
+
if(xPsramDone)
|
| 68 |
+
xActiveChannel <= 2'b00;
|
| 69 |
+
endcase
|
| 70 |
+
end
|
| 71 |
+
endmodule
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/overlayBatteryBack.vhd
ADDED
|
@@ -0,0 +1,34 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
library IEEE;
|
| 2 |
+
use IEEE.STD_LOGIC_1164.ALL;
|
| 3 |
+
use IEEE.numeric_std.all;
|
| 4 |
+
|
| 5 |
+
entity overlayBatteryBack is
|
| 6 |
+
port
|
| 7 |
+
(
|
| 8 |
+
screenX : in unsigned(7 downto 0);
|
| 9 |
+
screenY : in unsigned(7 downto 0);
|
| 10 |
+
overlayActive : out std_logic
|
| 11 |
+
);
|
| 12 |
+
end entity;
|
| 13 |
+
|
| 14 |
+
architecture arch of overlayBatteryBack is
|
| 15 |
+
|
| 16 |
+
begin
|
| 17 |
+
|
| 18 |
+
process (all)
|
| 19 |
+
begin
|
| 20 |
+
|
| 21 |
+
overlayActive <= '0';
|
| 22 |
+
|
| 23 |
+
if (screenX >= 141 and screenX <= 157 and screenY >= 3 and screenY <= 18) then
|
| 24 |
+
overlayActive <= '1';
|
| 25 |
+
if (screenX = 157 and (screenY = 3 or screenY = 18)) then overlayActive <= '0'; end if;
|
| 26 |
+
if (screenX = 141 and screenY = 18) then overlayActive <= '0'; end if;
|
| 27 |
+
end if;
|
| 28 |
+
|
| 29 |
+
end process;
|
| 30 |
+
|
| 31 |
+
|
| 32 |
+
end architecture;
|
| 33 |
+
|
| 34 |
+
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/overlayBatteryFront.vhd
ADDED
|
@@ -0,0 +1,56 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
library IEEE;
|
| 2 |
+
use IEEE.STD_LOGIC_1164.ALL;
|
| 3 |
+
use IEEE.numeric_std.all;
|
| 4 |
+
|
| 5 |
+
entity overlayBatteryFront is
|
| 6 |
+
port
|
| 7 |
+
(
|
| 8 |
+
screenX : in unsigned(7 downto 0);
|
| 9 |
+
screenY : in unsigned(7 downto 0);
|
| 10 |
+
overlayActive : out std_logic
|
| 11 |
+
);
|
| 12 |
+
end entity;
|
| 13 |
+
|
| 14 |
+
architecture arch of overlayBatteryFront is
|
| 15 |
+
|
| 16 |
+
type tpixeldata is array (0 to 15) of std_logic_vector(0 to 16);
|
| 17 |
+
constant pixeldata : tpixeldata :=
|
| 18 |
+
(
|
| 19 |
+
"01111111111111110",
|
| 20 |
+
"10000000000000001",
|
| 21 |
+
"10000000000000001",
|
| 22 |
+
"10000000000000001",
|
| 23 |
+
"10000000000000001",
|
| 24 |
+
"10001111111110001",
|
| 25 |
+
"10001000000010001",
|
| 26 |
+
"10001010000011001",
|
| 27 |
+
"10001010000011001",
|
| 28 |
+
"10001000000010001",
|
| 29 |
+
"10001111111110001",
|
| 30 |
+
"10000000000000001",
|
| 31 |
+
"10000000000000001",
|
| 32 |
+
"10000000000000001",
|
| 33 |
+
"10000000000000001",
|
| 34 |
+
"01111111111111110"
|
| 35 |
+
);
|
| 36 |
+
|
| 37 |
+
|
| 38 |
+
begin
|
| 39 |
+
|
| 40 |
+
process (all)
|
| 41 |
+
begin
|
| 42 |
+
|
| 43 |
+
overlayActive <= '0';
|
| 44 |
+
|
| 45 |
+
if (screenX >= 140 and screenX <= 156 and screenY >= 2 and screenY <= 17) then
|
| 46 |
+
if (pixeldata(to_integer(screenY) - 2)(to_integer(screenX) - 140) = '1') then
|
| 47 |
+
overlayActive <= '1';
|
| 48 |
+
end if;
|
| 49 |
+
end if;
|
| 50 |
+
|
| 51 |
+
end process;
|
| 52 |
+
|
| 53 |
+
|
| 54 |
+
end architecture;
|
| 55 |
+
|
| 56 |
+
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/overlayDebug.vhd
ADDED
|
@@ -0,0 +1,121 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
library IEEE;
|
| 2 |
+
use IEEE.STD_LOGIC_1164.ALL;
|
| 3 |
+
use IEEE.numeric_std.all;
|
| 4 |
+
|
| 5 |
+
entity overlayDebug is
|
| 6 |
+
port
|
| 7 |
+
(
|
| 8 |
+
screenX : in unsigned(1 downto 0);
|
| 9 |
+
screenY : in unsigned(2 downto 0);
|
| 10 |
+
number : in unsigned(3 downto 0);
|
| 11 |
+
overlayActive : out std_logic
|
| 12 |
+
);
|
| 13 |
+
end entity;
|
| 14 |
+
|
| 15 |
+
architecture arch of overlayDebug is
|
| 16 |
+
|
| 17 |
+
type tpixeldata is array (0 to 4) of std_logic_vector(0 to 2);
|
| 18 |
+
type tpixelarray is array(0 to 15) of tpixeldata;
|
| 19 |
+
constant pixelarray : tpixelarray :=
|
| 20 |
+
(
|
| 21 |
+
( "111", -- 0
|
| 22 |
+
"101",
|
| 23 |
+
"101",
|
| 24 |
+
"101",
|
| 25 |
+
"111"),
|
| 26 |
+
( "010", -- 1
|
| 27 |
+
"110",
|
| 28 |
+
"010",
|
| 29 |
+
"010",
|
| 30 |
+
"010"),
|
| 31 |
+
( "111", -- 2
|
| 32 |
+
"001",
|
| 33 |
+
"111",
|
| 34 |
+
"100",
|
| 35 |
+
"111"),
|
| 36 |
+
( "111", -- 3
|
| 37 |
+
"001",
|
| 38 |
+
"111",
|
| 39 |
+
"001",
|
| 40 |
+
"111"),
|
| 41 |
+
( "101", -- 4
|
| 42 |
+
"101",
|
| 43 |
+
"111",
|
| 44 |
+
"001",
|
| 45 |
+
"001"),
|
| 46 |
+
( "111", -- 5
|
| 47 |
+
"100",
|
| 48 |
+
"111",
|
| 49 |
+
"001",
|
| 50 |
+
"111"),
|
| 51 |
+
( "111", -- 6
|
| 52 |
+
"100",
|
| 53 |
+
"111",
|
| 54 |
+
"101",
|
| 55 |
+
"111"),
|
| 56 |
+
( "111", -- 7
|
| 57 |
+
"001",
|
| 58 |
+
"001",
|
| 59 |
+
"001",
|
| 60 |
+
"001"),
|
| 61 |
+
( "111", -- 8
|
| 62 |
+
"101",
|
| 63 |
+
"111",
|
| 64 |
+
"101",
|
| 65 |
+
"111"),
|
| 66 |
+
( "111", -- 9
|
| 67 |
+
"101",
|
| 68 |
+
"111",
|
| 69 |
+
"001",
|
| 70 |
+
"111"),
|
| 71 |
+
( "111", -- A
|
| 72 |
+
"101",
|
| 73 |
+
"111",
|
| 74 |
+
"101",
|
| 75 |
+
"101"),
|
| 76 |
+
( "110", -- B
|
| 77 |
+
"101",
|
| 78 |
+
"111",
|
| 79 |
+
"101",
|
| 80 |
+
"110"),
|
| 81 |
+
( "111", -- C
|
| 82 |
+
"100",
|
| 83 |
+
"100",
|
| 84 |
+
"100",
|
| 85 |
+
"111"),
|
| 86 |
+
( "110", -- D
|
| 87 |
+
"101",
|
| 88 |
+
"101",
|
| 89 |
+
"101",
|
| 90 |
+
"110"),
|
| 91 |
+
( "111", -- E
|
| 92 |
+
"100",
|
| 93 |
+
"111",
|
| 94 |
+
"100",
|
| 95 |
+
"111"),
|
| 96 |
+
( "111", -- F
|
| 97 |
+
"100",
|
| 98 |
+
"111",
|
| 99 |
+
"100",
|
| 100 |
+
"100")
|
| 101 |
+
);
|
| 102 |
+
|
| 103 |
+
begin
|
| 104 |
+
|
| 105 |
+
process (all)
|
| 106 |
+
begin
|
| 107 |
+
|
| 108 |
+
overlayActive <= '0';
|
| 109 |
+
|
| 110 |
+
if (screenX < 3 and screenY < 5) then
|
| 111 |
+
if (pixelarray(to_integer(number))(to_integer(screenY))(to_integer(screenX)) = '1') then
|
| 112 |
+
overlayActive <= '1';
|
| 113 |
+
end if;
|
| 114 |
+
end if;
|
| 115 |
+
|
| 116 |
+
end process;
|
| 117 |
+
|
| 118 |
+
|
| 119 |
+
end architecture;
|
| 120 |
+
|
| 121 |
+
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/overlayTimerBack.vhd
ADDED
|
@@ -0,0 +1,34 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
library IEEE;
|
| 2 |
+
use IEEE.STD_LOGIC_1164.ALL;
|
| 3 |
+
use IEEE.numeric_std.all;
|
| 4 |
+
|
| 5 |
+
entity overlayTimerBack is
|
| 6 |
+
port
|
| 7 |
+
(
|
| 8 |
+
screenX : in unsigned(7 downto 0);
|
| 9 |
+
screenY : in unsigned(7 downto 0);
|
| 10 |
+
overlayActive : out std_logic
|
| 11 |
+
);
|
| 12 |
+
end entity;
|
| 13 |
+
|
| 14 |
+
architecture arch of overlayTimerBack is
|
| 15 |
+
|
| 16 |
+
begin
|
| 17 |
+
|
| 18 |
+
process (all)
|
| 19 |
+
begin
|
| 20 |
+
|
| 21 |
+
overlayActive <= '0';
|
| 22 |
+
|
| 23 |
+
if (screenX >= 2 and screenX <= 40 and screenY >= 3 and screenY <= 18) then
|
| 24 |
+
overlayActive <= '1';
|
| 25 |
+
if (screenX = 40 and (screenY = 3 or screenY = 18)) then overlayActive <= '0'; end if;
|
| 26 |
+
if (screenX = 2 and screenY = 18) then overlayActive <= '0'; end if;
|
| 27 |
+
end if;
|
| 28 |
+
|
| 29 |
+
end process;
|
| 30 |
+
|
| 31 |
+
|
| 32 |
+
end architecture;
|
| 33 |
+
|
| 34 |
+
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/overlayTimerFront.vhd
ADDED
|
@@ -0,0 +1,33 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
library IEEE;
|
| 2 |
+
use IEEE.STD_LOGIC_1164.ALL;
|
| 3 |
+
use IEEE.numeric_std.all;
|
| 4 |
+
|
| 5 |
+
entity overlayTimerFront is
|
| 6 |
+
port
|
| 7 |
+
(
|
| 8 |
+
screenX : in unsigned(7 downto 0);
|
| 9 |
+
screenY : in unsigned(7 downto 0);
|
| 10 |
+
overlayActive : out std_logic
|
| 11 |
+
);
|
| 12 |
+
end entity;
|
| 13 |
+
|
| 14 |
+
architecture arch of overlayTimerFront is
|
| 15 |
+
|
| 16 |
+
begin
|
| 17 |
+
|
| 18 |
+
process (all)
|
| 19 |
+
begin
|
| 20 |
+
|
| 21 |
+
overlayActive <= '0';
|
| 22 |
+
|
| 23 |
+
if (screenX >= 1 and screenX <= 39 and screenY >= 2 and screenY <= 17) then
|
| 24 |
+
if ( screenX = 1 or screenX = 39 or screenY = 2 or screenY = 17) then overlayActive <= '1'; end if;
|
| 25 |
+
if ((screenX = 1 or screenX = 39) and (screenY = 2 or screenY = 17)) then overlayActive <= '0'; end if;
|
| 26 |
+
end if;
|
| 27 |
+
|
| 28 |
+
end process;
|
| 29 |
+
|
| 30 |
+
|
| 31 |
+
end architecture;
|
| 32 |
+
|
| 33 |
+
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/overlayTimerNumber.vhd
ADDED
|
@@ -0,0 +1,101 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
library IEEE;
|
| 2 |
+
use IEEE.STD_LOGIC_1164.ALL;
|
| 3 |
+
use IEEE.numeric_std.all;
|
| 4 |
+
|
| 5 |
+
entity overlayTimerNumber is
|
| 6 |
+
port
|
| 7 |
+
(
|
| 8 |
+
screenX : in unsigned(1 downto 0);
|
| 9 |
+
screenY : in unsigned(2 downto 0);
|
| 10 |
+
number : in unsigned(3 downto 0);
|
| 11 |
+
overlayActive : out std_logic
|
| 12 |
+
);
|
| 13 |
+
end entity;
|
| 14 |
+
|
| 15 |
+
architecture arch of overlayTimerNumber is
|
| 16 |
+
|
| 17 |
+
type tpixeldata is array (0 to 4) of std_logic_vector(0 to 2);
|
| 18 |
+
type tpixelarray is array(0 to 11) of tpixeldata;
|
| 19 |
+
constant pixelarray : tpixelarray :=
|
| 20 |
+
(
|
| 21 |
+
( "111", -- 0
|
| 22 |
+
"101",
|
| 23 |
+
"101",
|
| 24 |
+
"101",
|
| 25 |
+
"111"),
|
| 26 |
+
( "010", -- 1
|
| 27 |
+
"110",
|
| 28 |
+
"010",
|
| 29 |
+
"010",
|
| 30 |
+
"010"),
|
| 31 |
+
( "111", -- 2
|
| 32 |
+
"001",
|
| 33 |
+
"111",
|
| 34 |
+
"100",
|
| 35 |
+
"111"),
|
| 36 |
+
( "111", -- 3
|
| 37 |
+
"001",
|
| 38 |
+
"111",
|
| 39 |
+
"001",
|
| 40 |
+
"111"),
|
| 41 |
+
( "101", -- 4
|
| 42 |
+
"101",
|
| 43 |
+
"111",
|
| 44 |
+
"001",
|
| 45 |
+
"001"),
|
| 46 |
+
( "111", -- 5
|
| 47 |
+
"100",
|
| 48 |
+
"111",
|
| 49 |
+
"001",
|
| 50 |
+
"111"),
|
| 51 |
+
( "111", -- 6
|
| 52 |
+
"100",
|
| 53 |
+
"111",
|
| 54 |
+
"101",
|
| 55 |
+
"111"),
|
| 56 |
+
( "111", -- 7
|
| 57 |
+
"001",
|
| 58 |
+
"001",
|
| 59 |
+
"001",
|
| 60 |
+
"001"),
|
| 61 |
+
( "111", -- 8
|
| 62 |
+
"101",
|
| 63 |
+
"111",
|
| 64 |
+
"101",
|
| 65 |
+
"111"),
|
| 66 |
+
( "111", -- 9
|
| 67 |
+
"101",
|
| 68 |
+
"111",
|
| 69 |
+
"001",
|
| 70 |
+
"111"),
|
| 71 |
+
( "000", -- :
|
| 72 |
+
"100",
|
| 73 |
+
"000",
|
| 74 |
+
"100",
|
| 75 |
+
"000"),
|
| 76 |
+
( "000", -- .
|
| 77 |
+
"000",
|
| 78 |
+
"000",
|
| 79 |
+
"000",
|
| 80 |
+
"100")
|
| 81 |
+
);
|
| 82 |
+
|
| 83 |
+
begin
|
| 84 |
+
|
| 85 |
+
process (all)
|
| 86 |
+
begin
|
| 87 |
+
|
| 88 |
+
overlayActive <= '0';
|
| 89 |
+
|
| 90 |
+
if (screenX < 3 and screenY < 5 and number < 12) then
|
| 91 |
+
if (pixelarray(to_integer(number))(to_integer(screenY))(to_integer(screenX)) = '1') then
|
| 92 |
+
overlayActive <= '1';
|
| 93 |
+
end if;
|
| 94 |
+
end if;
|
| 95 |
+
|
| 96 |
+
end process;
|
| 97 |
+
|
| 98 |
+
|
| 99 |
+
end architecture;
|
| 100 |
+
|
| 101 |
+
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/polling_master.v
ADDED
|
@@ -0,0 +1,368 @@
|
|
|
|
|
|
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|
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|
|
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|
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|
|
|
|
|
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|
|
|
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|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
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|
|
|
|
|
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|
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|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
// polling_master.v
|
| 2 |
+
// Poll TLV320 Audio codec
|
| 3 |
+
/// Read volume wheel value (Page0 R117 bits 6:0)
|
| 4 |
+
/// Read GPIO (headphone attached) value(Page0 R51 bit1)
|
| 5 |
+
//// Toggle headphone or speaker
|
| 6 |
+
|
| 7 |
+
// Poll BQ24296MRGER PMIC state
|
| 8 |
+
/// I2C address 0x6B
|
| 9 |
+
/// Write R02 = 10111100 is 0xBC (3008mA)
|
| 10 |
+
/// Read R08 System Status Reg
|
| 11 |
+
/// Read R09 New Fault Register
|
| 12 |
+
|
| 13 |
+
// Poll ATSHA204A encryption
|
| 14 |
+
|
| 15 |
+
module polling_master#(
|
| 16 |
+
parameter I2C_DATA_WIDTH = 8,
|
| 17 |
+
parameter REGISTER_WIDTH = 8,
|
| 18 |
+
parameter ADDRESS_WIDTH = 7
|
| 19 |
+
)(
|
| 20 |
+
input clk,
|
| 21 |
+
input rst,
|
| 22 |
+
input i2c_busy,
|
| 23 |
+
input enable,
|
| 24 |
+
input mute,
|
| 25 |
+
|
| 26 |
+
input [7:0] i2c_miso_data,
|
| 27 |
+
|
| 28 |
+
output reg [7:0] volume,
|
| 29 |
+
output reg [7:0] gpio,
|
| 30 |
+
output reg [7:0] pmic_sys_status,
|
| 31 |
+
output reg [7:0] new_fault,
|
| 32 |
+
output reg [7:0] inlim,
|
| 33 |
+
output reg [7:0] chargeCurrent,
|
| 34 |
+
|
| 35 |
+
output reg i2c_enable,
|
| 36 |
+
output reg i2c_read_write,
|
| 37 |
+
output reg [I2C_DATA_WIDTH-1:0] i2c_mosi_data,
|
| 38 |
+
output reg [REGISTER_WIDTH-1:0] i2c_register_address,
|
| 39 |
+
output reg [ADDRESS_WIDTH-1:0] i2c_device_address
|
| 40 |
+
|
| 41 |
+
);
|
| 42 |
+
|
| 43 |
+
reg [7:0] scount;
|
| 44 |
+
reg [7:0] regindex;
|
| 45 |
+
|
| 46 |
+
localparam CODEC = 7'h18;
|
| 47 |
+
localparam PMIC = 7'h6B;
|
| 48 |
+
|
| 49 |
+
reg [15:0] state;
|
| 50 |
+
localparam S_VOLUME = 16'h0001;
|
| 51 |
+
localparam S_HP_GPIO = 16'h0002;
|
| 52 |
+
localparam S_HP_EN0 = 16'h0004;
|
| 53 |
+
localparam S_HP_EN1 = 16'h0008;
|
| 54 |
+
localparam S_HP_SWPWRDOWN = 16'h0010;
|
| 55 |
+
localparam S_HP_EN2 = 16'h0020;
|
| 56 |
+
localparam S_HP_EN3 = 16'h0040;
|
| 57 |
+
localparam S_HP_EN4 = 16'h0080;
|
| 58 |
+
localparam S_SYS_STATUS = 16'h0100;
|
| 59 |
+
localparam S_NEW_FAULT = 16'h0200;
|
| 60 |
+
localparam S_INLIM = 16'h0400;
|
| 61 |
+
localparam S_CHARGEWRITE = 16'h0800;
|
| 62 |
+
localparam S_CHARGEREAD = 16'h1000;
|
| 63 |
+
localparam S_IDLE = 16'h2000;
|
| 64 |
+
|
| 65 |
+
reg txActive;
|
| 66 |
+
|
| 67 |
+
always@(posedge clk)
|
| 68 |
+
begin
|
| 69 |
+
if(rst)
|
| 70 |
+
begin
|
| 71 |
+
scount <= 'd0;
|
| 72 |
+
i2c_read_write <= 'd0;
|
| 73 |
+
i2c_register_address <= 'd0;
|
| 74 |
+
i2c_mosi_data <= 'd0;
|
| 75 |
+
i2c_device_address <= CODEC;
|
| 76 |
+
i2c_enable <= 'd0;
|
| 77 |
+
regindex <= 'd0;
|
| 78 |
+
state <= S_IDLE;
|
| 79 |
+
end
|
| 80 |
+
else
|
| 81 |
+
case(state)
|
| 82 |
+
S_IDLE:
|
| 83 |
+
begin
|
| 84 |
+
i2c_enable <= 'd0;
|
| 85 |
+
txActive <= 1'd0;
|
| 86 |
+
i2c_read_write <= 'd1; // Read
|
| 87 |
+
if(~i2c_busy && enable)
|
| 88 |
+
begin
|
| 89 |
+
state <= S_VOLUME;
|
| 90 |
+
i2c_device_address <= CODEC;
|
| 91 |
+
i2c_register_address <= 8'd117; // Volume
|
| 92 |
+
end
|
| 93 |
+
end
|
| 94 |
+
S_VOLUME:
|
| 95 |
+
begin
|
| 96 |
+
if(i2c_busy)
|
| 97 |
+
begin
|
| 98 |
+
txActive <= 1'd1;
|
| 99 |
+
i2c_enable <= 'd0;
|
| 100 |
+
end
|
| 101 |
+
else
|
| 102 |
+
if(txActive)
|
| 103 |
+
begin
|
| 104 |
+
i2c_read_write <= 'd1; // Read
|
| 105 |
+
state <= S_HP_GPIO;
|
| 106 |
+
i2c_register_address <= 8'd51; // HP Status
|
| 107 |
+
i2c_device_address <= CODEC;
|
| 108 |
+
volume <= i2c_miso_data;
|
| 109 |
+
txActive <= 1'd0;
|
| 110 |
+
end
|
| 111 |
+
else
|
| 112 |
+
i2c_enable <= 'd1;
|
| 113 |
+
end
|
| 114 |
+
S_HP_GPIO:
|
| 115 |
+
begin
|
| 116 |
+
if(i2c_busy)
|
| 117 |
+
begin
|
| 118 |
+
txActive <= 1'd1;
|
| 119 |
+
i2c_enable <= 'd0;
|
| 120 |
+
end
|
| 121 |
+
else
|
| 122 |
+
if(txActive)
|
| 123 |
+
begin
|
| 124 |
+
gpio <= i2c_miso_data;
|
| 125 |
+
state <= S_HP_EN0;
|
| 126 |
+
i2c_read_write <= 'd0; // Write
|
| 127 |
+
i2c_register_address <= 8'd00; // Page select
|
| 128 |
+
i2c_mosi_data <= 8'd01; // Page 1
|
| 129 |
+
i2c_device_address <= CODEC;
|
| 130 |
+
txActive <= 1'd0;
|
| 131 |
+
end
|
| 132 |
+
else
|
| 133 |
+
i2c_enable <= 'd1;
|
| 134 |
+
end
|
| 135 |
+
S_HP_EN0:
|
| 136 |
+
begin
|
| 137 |
+
if(i2c_busy)
|
| 138 |
+
begin
|
| 139 |
+
txActive <= 1'd1;
|
| 140 |
+
i2c_enable <= 'd0;
|
| 141 |
+
end
|
| 142 |
+
else
|
| 143 |
+
if(txActive)
|
| 144 |
+
begin
|
| 145 |
+
state <= S_HP_EN1;
|
| 146 |
+
i2c_read_write <= 'd0; // Write
|
| 147 |
+
i2c_register_address <= 8'h26; // Left Analog Volume to SPK
|
| 148 |
+
if(gpio[1])
|
| 149 |
+
i2c_mosi_data <= 8'h7F; // Mute Speaker (use headphones)
|
| 150 |
+
else
|
| 151 |
+
i2c_mosi_data <= 8'h00; // Enable speaker (use speaker)
|
| 152 |
+
i2c_device_address <= CODEC;
|
| 153 |
+
txActive <= 1'd0;
|
| 154 |
+
end
|
| 155 |
+
else
|
| 156 |
+
i2c_enable <= 'd1;
|
| 157 |
+
end
|
| 158 |
+
S_HP_EN1:
|
| 159 |
+
begin
|
| 160 |
+
if(i2c_busy)
|
| 161 |
+
begin
|
| 162 |
+
txActive <= 1'd1;
|
| 163 |
+
i2c_enable <= 'd0;
|
| 164 |
+
end
|
| 165 |
+
else
|
| 166 |
+
if(txActive)
|
| 167 |
+
begin
|
| 168 |
+
state <= S_HP_SWPWRDOWN;
|
| 169 |
+
i2c_read_write <= 'd0; // Write
|
| 170 |
+
i2c_register_address <= 8'h1F; // Headphone Driver
|
| 171 |
+
if(gpio[1])
|
| 172 |
+
i2c_mosi_data <= 8'hC4; // Enable driver (use headphones)
|
| 173 |
+
else
|
| 174 |
+
i2c_mosi_data <= 8'h04; // 04 Disable driver (use speaker)
|
| 175 |
+
|
| 176 |
+
i2c_device_address <= CODEC;
|
| 177 |
+
txActive <= 1'd0;
|
| 178 |
+
end
|
| 179 |
+
else
|
| 180 |
+
i2c_enable <= 'd1;
|
| 181 |
+
end
|
| 182 |
+
S_HP_SWPWRDOWN:
|
| 183 |
+
begin
|
| 184 |
+
if(i2c_busy)
|
| 185 |
+
begin
|
| 186 |
+
txActive <= 1'd1;
|
| 187 |
+
i2c_enable <= 'd0;
|
| 188 |
+
end
|
| 189 |
+
else
|
| 190 |
+
if(txActive)
|
| 191 |
+
begin
|
| 192 |
+
state <= S_HP_EN2;
|
| 193 |
+
i2c_read_write <= 'd0; // Write
|
| 194 |
+
i2c_register_address <= 8'h2E; // Headphone Driver
|
| 195 |
+
if(mute)
|
| 196 |
+
i2c_mosi_data <= 8'h80; // software power down - enabled
|
| 197 |
+
else
|
| 198 |
+
i2c_mosi_data <= 8'h00; // software power down - disabled
|
| 199 |
+
|
| 200 |
+
i2c_device_address <= CODEC;
|
| 201 |
+
txActive <= 1'd0;
|
| 202 |
+
end
|
| 203 |
+
else
|
| 204 |
+
i2c_enable <= 'd1;
|
| 205 |
+
end
|
| 206 |
+
S_HP_EN2:
|
| 207 |
+
begin
|
| 208 |
+
if(i2c_busy)
|
| 209 |
+
begin
|
| 210 |
+
txActive <= 1'd1;
|
| 211 |
+
i2c_enable <= 'd0;
|
| 212 |
+
end
|
| 213 |
+
else
|
| 214 |
+
if(txActive)
|
| 215 |
+
begin
|
| 216 |
+
state <= S_HP_EN3;
|
| 217 |
+
i2c_read_write <= 'd0; // Write
|
| 218 |
+
i2c_register_address <= 8'd00; // Page select
|
| 219 |
+
i2c_mosi_data <= 8'd00; // Page 0
|
| 220 |
+
i2c_device_address <= CODEC;
|
| 221 |
+
txActive <= 1'd0;
|
| 222 |
+
end
|
| 223 |
+
else
|
| 224 |
+
i2c_enable <= 'd1;
|
| 225 |
+
end
|
| 226 |
+
S_HP_EN3:
|
| 227 |
+
begin
|
| 228 |
+
if(i2c_busy)
|
| 229 |
+
begin
|
| 230 |
+
txActive <= 1'd1;
|
| 231 |
+
i2c_enable <= 'd0;
|
| 232 |
+
end
|
| 233 |
+
else
|
| 234 |
+
if(txActive)
|
| 235 |
+
begin
|
| 236 |
+
state <= S_HP_EN4;
|
| 237 |
+
i2c_read_write <= 'd0; // Write
|
| 238 |
+
i2c_register_address <= 8'h3F; // DAC Data-Path setup
|
| 239 |
+
if(gpio[1])
|
| 240 |
+
i2c_mosi_data <= 8'hD4; // Power up both dacs
|
| 241 |
+
else
|
| 242 |
+
i2c_mosi_data <= 8'h90; // Power down right DAC, speaker mix both channel
|
| 243 |
+
i2c_device_address <= CODEC;
|
| 244 |
+
txActive <= 1'd0;
|
| 245 |
+
end
|
| 246 |
+
else
|
| 247 |
+
i2c_enable <= 'd1;
|
| 248 |
+
end
|
| 249 |
+
S_HP_EN4:
|
| 250 |
+
begin
|
| 251 |
+
if(i2c_busy)
|
| 252 |
+
begin
|
| 253 |
+
txActive <= 1'd1;
|
| 254 |
+
i2c_enable <= 'd0;
|
| 255 |
+
end
|
| 256 |
+
else
|
| 257 |
+
if(txActive)
|
| 258 |
+
begin
|
| 259 |
+
i2c_read_write <= 'd1; // Read
|
| 260 |
+
state <= S_SYS_STATUS;
|
| 261 |
+
i2c_register_address <= 8'd08; // System Status
|
| 262 |
+
i2c_device_address <= PMIC;
|
| 263 |
+
txActive <= 1'd0;
|
| 264 |
+
end
|
| 265 |
+
else
|
| 266 |
+
i2c_enable <= 'd1;
|
| 267 |
+
end
|
| 268 |
+
S_SYS_STATUS:
|
| 269 |
+
begin
|
| 270 |
+
if(i2c_busy)
|
| 271 |
+
begin
|
| 272 |
+
txActive <= 1'd1;
|
| 273 |
+
i2c_enable <= 'd0;
|
| 274 |
+
end
|
| 275 |
+
else
|
| 276 |
+
if(txActive)
|
| 277 |
+
begin
|
| 278 |
+
i2c_read_write <= 'd1; // Read
|
| 279 |
+
state <= S_NEW_FAULT;
|
| 280 |
+
i2c_register_address <= 8'd09; // Fault Status
|
| 281 |
+
i2c_device_address <= PMIC;
|
| 282 |
+
pmic_sys_status <= i2c_miso_data;
|
| 283 |
+
txActive <= 1'd0;
|
| 284 |
+
end
|
| 285 |
+
else
|
| 286 |
+
i2c_enable <= 'd1;
|
| 287 |
+
end
|
| 288 |
+
S_NEW_FAULT:
|
| 289 |
+
begin
|
| 290 |
+
if(i2c_busy)
|
| 291 |
+
begin
|
| 292 |
+
txActive <= 1'd1;
|
| 293 |
+
i2c_enable <= 'd0;
|
| 294 |
+
end
|
| 295 |
+
else
|
| 296 |
+
if(txActive)
|
| 297 |
+
begin
|
| 298 |
+
i2c_read_write <= 'd1; // Read
|
| 299 |
+
state <= S_INLIM;
|
| 300 |
+
i2c_register_address <= 8'd00; // Input Limit
|
| 301 |
+
i2c_device_address <= PMIC;
|
| 302 |
+
new_fault <= i2c_miso_data;
|
| 303 |
+
txActive <= 1'd0;
|
| 304 |
+
end
|
| 305 |
+
else
|
| 306 |
+
i2c_enable <= 'd1;
|
| 307 |
+
end
|
| 308 |
+
S_INLIM:
|
| 309 |
+
begin
|
| 310 |
+
if(i2c_busy)
|
| 311 |
+
begin
|
| 312 |
+
txActive <= 1'd1;
|
| 313 |
+
i2c_enable <= 'd0;
|
| 314 |
+
end
|
| 315 |
+
else
|
| 316 |
+
if(txActive)
|
| 317 |
+
begin
|
| 318 |
+
i2c_read_write <= 'd0; // Write
|
| 319 |
+
state <= S_CHARGEWRITE;
|
| 320 |
+
i2c_register_address <= 8'd02; // Charge Current Control
|
| 321 |
+
i2c_device_address <= PMIC;
|
| 322 |
+
inlim <= i2c_miso_data;
|
| 323 |
+
i2c_mosi_data <= 8'h20;
|
| 324 |
+
txActive <= 1'd0;
|
| 325 |
+
end
|
| 326 |
+
else
|
| 327 |
+
i2c_enable <= 'd1;
|
| 328 |
+
end
|
| 329 |
+
S_CHARGEWRITE:
|
| 330 |
+
begin
|
| 331 |
+
if(i2c_busy)
|
| 332 |
+
begin
|
| 333 |
+
txActive <= 1'd1;
|
| 334 |
+
i2c_enable <= 'd0;
|
| 335 |
+
end
|
| 336 |
+
else
|
| 337 |
+
if(txActive)
|
| 338 |
+
begin
|
| 339 |
+
i2c_read_write <= 'd1; // Read
|
| 340 |
+
state <= S_CHARGEREAD;
|
| 341 |
+
i2c_register_address <= 8'd02; // Charge Current Control
|
| 342 |
+
i2c_device_address <= PMIC;
|
| 343 |
+
txActive <= 1'd0;
|
| 344 |
+
end
|
| 345 |
+
else
|
| 346 |
+
i2c_enable <= 'd1;
|
| 347 |
+
end
|
| 348 |
+
S_CHARGEREAD:
|
| 349 |
+
begin
|
| 350 |
+
if(i2c_busy)
|
| 351 |
+
begin
|
| 352 |
+
txActive <= 1'd1;
|
| 353 |
+
i2c_enable <= 'd0;
|
| 354 |
+
end
|
| 355 |
+
else
|
| 356 |
+
if(txActive)
|
| 357 |
+
begin
|
| 358 |
+
state <= S_IDLE;
|
| 359 |
+
txActive <= 1'd0;
|
| 360 |
+
chargeCurrent <= i2c_miso_data;
|
| 361 |
+
end
|
| 362 |
+
else
|
| 363 |
+
i2c_enable <= 'd1;
|
| 364 |
+
end
|
| 365 |
+
endcase
|
| 366 |
+
end
|
| 367 |
+
|
| 368 |
+
endmodule
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/qspi_slave.v
ADDED
|
@@ -0,0 +1,116 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
// QSPI_Slave.v
|
| 2 |
+
|
| 3 |
+
module QSPI_Slave(
|
| 4 |
+
input QSPI_CLK,
|
| 5 |
+
input QSPI_CS,
|
| 6 |
+
input QSPI_MOSI,
|
| 7 |
+
input QSPI_MISO,
|
| 8 |
+
input QSPI_WP,
|
| 9 |
+
input QSPI_HD,
|
| 10 |
+
|
| 11 |
+
output qMenuInit,
|
| 12 |
+
output qDataValid,
|
| 13 |
+
output [15:0] qData,
|
| 14 |
+
output reg [31:0] qAddress = 'd0,
|
| 15 |
+
output reg [9:0] qLength = 'd0,
|
| 16 |
+
output reg qCommand = 'd0
|
| 17 |
+
);
|
| 18 |
+
|
| 19 |
+
reg qAddReady = 'd0;
|
| 20 |
+
reg qLenReady = 'd0;
|
| 21 |
+
|
| 22 |
+
reg [3:0] qPins_r1 = 'd0;
|
| 23 |
+
reg [7:0] qDataByte = 'd0;
|
| 24 |
+
reg qCyclePhase = 'd0;
|
| 25 |
+
|
| 26 |
+
reg qValid = 'd0;
|
| 27 |
+
wire [3:0] qPins = {
|
| 28 |
+
QSPI_HD,
|
| 29 |
+
QSPI_WP,
|
| 30 |
+
QSPI_MISO,
|
| 31 |
+
QSPI_MOSI};
|
| 32 |
+
|
| 33 |
+
reg [7:0] qCycleCount = 'd0;
|
| 34 |
+
|
| 35 |
+
reg qMenuInit1 = 1'd0;
|
| 36 |
+
reg qMenuInit2 = 1'd0;
|
| 37 |
+
assign qMenuInit = qMenuInit2;
|
| 38 |
+
|
| 39 |
+
always@(posedge QSPI_CLK or posedge QSPI_CS)
|
| 40 |
+
begin
|
| 41 |
+
if(QSPI_CS)
|
| 42 |
+
begin
|
| 43 |
+
qCyclePhase <= 1'd0;
|
| 44 |
+
qValid <= 1'd0;
|
| 45 |
+
qCycleCount <= 1'd0;
|
| 46 |
+
qCommand <= 1'd0;
|
| 47 |
+
qAddReady <= 1'd0;
|
| 48 |
+
qLenReady <= 1'd0;
|
| 49 |
+
end
|
| 50 |
+
else
|
| 51 |
+
begin
|
| 52 |
+
if(qCycleCount <= 50)
|
| 53 |
+
qCycleCount <= qCycleCount + 1'd1;
|
| 54 |
+
|
| 55 |
+
// Command
|
| 56 |
+
if(qCycleCount == 0)
|
| 57 |
+
qCommand <= QSPI_MOSI;
|
| 58 |
+
|
| 59 |
+
if((qCycleCount >= 1) && (qCycleCount <= 10))
|
| 60 |
+
qLength <= {qLength[8:0], QSPI_MOSI};
|
| 61 |
+
|
| 62 |
+
if((qCycleCount >= 11) && (qCycleCount <= 42))
|
| 63 |
+
qAddress <= {qAddress[30:0], QSPI_MOSI};
|
| 64 |
+
|
| 65 |
+
if(qCycleCount == 11)
|
| 66 |
+
qLenReady <= 1'd1;
|
| 67 |
+
else
|
| 68 |
+
qLenReady <= 1'd0;
|
| 69 |
+
|
| 70 |
+
if(qCycleCount == 43)
|
| 71 |
+
begin
|
| 72 |
+
qAddReady <= 1'd1;
|
| 73 |
+
if(qAddress == 0) // first row
|
| 74 |
+
begin
|
| 75 |
+
qMenuInit1 <= 1'd1;
|
| 76 |
+
if(qMenuInit1)
|
| 77 |
+
qMenuInit2 <= 1'd1;
|
| 78 |
+
end
|
| 79 |
+
end
|
| 80 |
+
else
|
| 81 |
+
qAddReady <= 1'd0;
|
| 82 |
+
|
| 83 |
+
// QSPI data
|
| 84 |
+
if(qCycleCount >= 46)
|
| 85 |
+
begin
|
| 86 |
+
qCyclePhase <= ~qCyclePhase;
|
| 87 |
+
if(qCyclePhase)
|
| 88 |
+
begin
|
| 89 |
+
qDataByte <= {qPins_r1,qPins};
|
| 90 |
+
qValid <= 1'd1;
|
| 91 |
+
end
|
| 92 |
+
else
|
| 93 |
+
begin
|
| 94 |
+
qPins_r1 <= qPins;
|
| 95 |
+
qValid <= 1'd0;
|
| 96 |
+
end
|
| 97 |
+
end
|
| 98 |
+
end
|
| 99 |
+
end
|
| 100 |
+
|
| 101 |
+
reg [7:0] qDataByte_r1 = 'd0;
|
| 102 |
+
reg QSPI_VALID_phase = 'd0;
|
| 103 |
+
always@(posedge QSPI_CLK or posedge QSPI_CS)
|
| 104 |
+
if(QSPI_CS)
|
| 105 |
+
QSPI_VALID_phase <= 'd0;
|
| 106 |
+
else
|
| 107 |
+
if(qValid)
|
| 108 |
+
begin
|
| 109 |
+
qDataByte_r1 <= qDataByte;
|
| 110 |
+
QSPI_VALID_phase <= ~QSPI_VALID_phase;
|
| 111 |
+
end
|
| 112 |
+
|
| 113 |
+
assign qDataValid = qValid&QSPI_VALID_phase;
|
| 114 |
+
assign qData = {qDataByte,qDataByte_r1};
|
| 115 |
+
|
| 116 |
+
endmodule
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/system_monitor.sv
ADDED
|
@@ -0,0 +1,519 @@
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|
| 1 |
+
// system_monitor.v
|
| 2 |
+
|
| 3 |
+
module system_monitor(
|
| 4 |
+
input clk,
|
| 5 |
+
input reset,
|
| 6 |
+
input BTN_A,
|
| 7 |
+
input BTN_B,
|
| 8 |
+
input BTN_DPAD_DOWN,
|
| 9 |
+
input BTN_DPAD_LEFT,
|
| 10 |
+
input BTN_DPAD_RIGHT,
|
| 11 |
+
input BTN_DPAD_UP,
|
| 12 |
+
input BTN_MENU, // pressed = 0
|
| 13 |
+
input BTN_SEL,
|
| 14 |
+
input BTN_START,
|
| 15 |
+
// Controls external mux into ADC
|
| 16 |
+
output reg menuDisabled,
|
| 17 |
+
output reg ADC_SEL,
|
| 18 |
+
output reg hAdcReq_ext,
|
| 19 |
+
input LCD_INIT_DONE,
|
| 20 |
+
output reg LCD_PWM,
|
| 21 |
+
output reg LCD_BACKLIGHT_INIT = 1'd0,
|
| 22 |
+
input hAdcReady_r1,
|
| 23 |
+
input [13:0] hAdcValue_r1,
|
| 24 |
+
input [8:0] hButtons,
|
| 25 |
+
output reg [8:0] MCU_buttons,
|
| 26 |
+
input [6:0] hVolume,
|
| 27 |
+
input [7:0] pmic_sys_status,
|
| 28 |
+
input hHeadphones,
|
| 29 |
+
input gSecondEna,
|
| 30 |
+
input gHalfSecondEna,
|
| 31 |
+
output reg low_battery,
|
| 32 |
+
output reg LED_Green,
|
| 33 |
+
output reg LED_Red,
|
| 34 |
+
output reg LED_Yellow,
|
| 35 |
+
output reg LED_White,
|
| 36 |
+
output reg [15:0] system_control,
|
| 37 |
+
output reg [31:0] debug_system,
|
| 38 |
+
output reg [63:0] paletteBGIn,
|
| 39 |
+
output reg [63:0] paletteOBJ0In,
|
| 40 |
+
output reg [63:0] paletteOBJ1In,
|
| 41 |
+
input gbc_mode,
|
| 42 |
+
input [63:0] gpd,
|
| 43 |
+
input [7:0] uart_rx_data,
|
| 44 |
+
input uart_rx_val,
|
| 45 |
+
input uart_tx_busy,
|
| 46 |
+
output [7:0] uart_tx_data,
|
| 47 |
+
output uart_tx_val
|
| 48 |
+
);
|
| 49 |
+
|
| 50 |
+
wire [6:0] rx_address;
|
| 51 |
+
wire [79:0] rx_data;
|
| 52 |
+
wire rx_data_val;
|
| 53 |
+
|
| 54 |
+
reg [15:0] btnMenu_sr;
|
| 55 |
+
reg btnMenu_r1;
|
| 56 |
+
reg btnMenu_r2;
|
| 57 |
+
|
| 58 |
+
reg [15:0] btnDown_sr;
|
| 59 |
+
reg btnDown_r1;
|
| 60 |
+
reg btnDown_r2;
|
| 61 |
+
|
| 62 |
+
reg [15:0] btnUp_sr;
|
| 63 |
+
reg btnUp_r1;
|
| 64 |
+
reg btnUp_r2;
|
| 65 |
+
|
| 66 |
+
reg [15:0] btnLeft_sr;
|
| 67 |
+
reg btnLeft_r1;
|
| 68 |
+
reg btnLeft_r2;
|
| 69 |
+
|
| 70 |
+
reg [15:0] btnRight_sr;
|
| 71 |
+
reg btnRight_r1;
|
| 72 |
+
reg btnRight_r2;
|
| 73 |
+
|
| 74 |
+
reg btnStart_r1;
|
| 75 |
+
reg btnStart_r2;
|
| 76 |
+
reg btnSelect_r1;
|
| 77 |
+
reg btnSelect_r2;
|
| 78 |
+
reg btnA_r1;
|
| 79 |
+
reg btnA_r2;
|
| 80 |
+
reg btnB_r1;
|
| 81 |
+
reg btnB_r2;
|
| 82 |
+
|
| 83 |
+
reg pressed;
|
| 84 |
+
reg [3:0] brightness = 4'd3;
|
| 85 |
+
reg [1:0] blockBrightnessReceive;
|
| 86 |
+
|
| 87 |
+
reg request_buttons = 1'b0;
|
| 88 |
+
reg request_version = 1'b0;
|
| 89 |
+
reg updateBrightness = 1'b0;
|
| 90 |
+
reg request_gpd = 1'b0;
|
| 91 |
+
|
| 92 |
+
reg lowpowerBacklight = 1'b0;
|
| 93 |
+
reg [3:0] lowerpowerOldBL;
|
| 94 |
+
reg request_SystemStatusExtended = 1'b0;
|
| 95 |
+
|
| 96 |
+
reg [13:0] volt;
|
| 97 |
+
wire bat_is_LI;
|
| 98 |
+
|
| 99 |
+
always@(posedge clk or posedge reset)
|
| 100 |
+
begin
|
| 101 |
+
if(reset) begin
|
| 102 |
+
system_control <= 16'd0;
|
| 103 |
+
MCU_buttons <= 9'd0;
|
| 104 |
+
request_gpd <= 1'b0;
|
| 105 |
+
end else begin
|
| 106 |
+
request_buttons <= 1'b0;
|
| 107 |
+
request_version <= 1'b0;
|
| 108 |
+
updateBrightness <= 1'b0;
|
| 109 |
+
request_SystemStatusExtended <= 1'b0;
|
| 110 |
+
|
| 111 |
+
if (gHalfSecondEna) begin
|
| 112 |
+
LCD_BACKLIGHT_INIT <= 1'd1;
|
| 113 |
+
end
|
| 114 |
+
|
| 115 |
+
if(rx_data_val)
|
| 116 |
+
begin
|
| 117 |
+
if(rx_address == 7'hD) begin
|
| 118 |
+
request_gpd <= 1'b1;
|
| 119 |
+
end
|
| 120 |
+
if(rx_address == 7'hC) begin
|
| 121 |
+
if (rx_data[63]) begin
|
| 122 |
+
paletteOBJ1In <= rx_data[63:0];
|
| 123 |
+
end else begin
|
| 124 |
+
paletteOBJ0In <= rx_data[63:0];
|
| 125 |
+
end
|
| 126 |
+
end
|
| 127 |
+
if(rx_address == 7'hB) begin
|
| 128 |
+
paletteBGIn <= rx_data[63:0];
|
| 129 |
+
end
|
| 130 |
+
if(rx_address == 7'd9) begin
|
| 131 |
+
MCU_buttons <= rx_data[8:0];
|
| 132 |
+
end
|
| 133 |
+
if(rx_address == 7'd6) begin
|
| 134 |
+
request_version <= 1'b1;
|
| 135 |
+
end
|
| 136 |
+
if(rx_address == 7'd5) begin
|
| 137 |
+
if (blockBrightnessReceive == 2'd0) begin
|
| 138 |
+
brightness <= rx_data[13:0];
|
| 139 |
+
end else begin
|
| 140 |
+
blockBrightnessReceive <= blockBrightnessReceive - 1;
|
| 141 |
+
end
|
| 142 |
+
end
|
| 143 |
+
if(rx_address == 7'd4) begin
|
| 144 |
+
system_control <= rx_data[15:0];
|
| 145 |
+
end
|
| 146 |
+
if(rx_address == 7'd2) begin
|
| 147 |
+
request_buttons <= 1'b1;
|
| 148 |
+
end
|
| 149 |
+
end
|
| 150 |
+
|
| 151 |
+
if (menuDisabled) begin
|
| 152 |
+
if((btnLeft_sr[15:0] == 16'h8000)&&~btnMenu_r2) begin
|
| 153 |
+
if(brightness >= 1)
|
| 154 |
+
begin
|
| 155 |
+
brightness <= brightness - 9'd1;
|
| 156 |
+
pressed <= 1'd0;
|
| 157 |
+
blockBrightnessReceive <= 2'd3;
|
| 158 |
+
updateBrightness <= 1'b1;
|
| 159 |
+
end
|
| 160 |
+
end
|
| 161 |
+
if((btnRight_sr[15:0] == 16'h8000)&&~btnMenu_r2) begin
|
| 162 |
+
if(brightness != 15)
|
| 163 |
+
begin
|
| 164 |
+
pressed <= 1'd0;
|
| 165 |
+
brightness <= brightness + 9'd1;
|
| 166 |
+
blockBrightnessReceive <= 2'd3;
|
| 167 |
+
updateBrightness <= 1'b1;
|
| 168 |
+
end
|
| 169 |
+
end
|
| 170 |
+
end
|
| 171 |
+
|
| 172 |
+
if (lowpowerBacklight) begin
|
| 173 |
+
brightness <= 4'd0;
|
| 174 |
+
updateBrightness <= 1'b0;
|
| 175 |
+
end
|
| 176 |
+
|
| 177 |
+
if (volt >= 700) begin // ~1.8V
|
| 178 |
+
if (~lowpowerBacklight && ~bat_is_LI && volt < 979) begin // below 2.55 V
|
| 179 |
+
request_SystemStatusExtended <= 1'b1;
|
| 180 |
+
lowpowerBacklight <= 1'b1;
|
| 181 |
+
lowerpowerOldBL <= brightness;
|
| 182 |
+
end
|
| 183 |
+
|
| 184 |
+
if (lowpowerBacklight && ~bat_is_LI && volt > 1293) begin // above 3.4 V
|
| 185 |
+
request_SystemStatusExtended <= 1'b1;
|
| 186 |
+
lowpowerBacklight <= 1'b0;
|
| 187 |
+
brightness <= lowerpowerOldBL;
|
| 188 |
+
end
|
| 189 |
+
end
|
| 190 |
+
|
| 191 |
+
if (write_done && tx_channel == 9 && request_gpd) begin
|
| 192 |
+
request_gpd <= 1'b0; // Clear after sending once
|
| 193 |
+
end
|
| 194 |
+
|
| 195 |
+
end
|
| 196 |
+
end
|
| 197 |
+
|
| 198 |
+
reg menuDown = 1'b0;
|
| 199 |
+
always@(posedge clk)
|
| 200 |
+
begin
|
| 201 |
+
if(reset) begin
|
| 202 |
+
menuDisabled <= 1'b1;
|
| 203 |
+
end else begin
|
| 204 |
+
btnMenu_r1 <= BTN_MENU;
|
| 205 |
+
btnMenu_r2 <= btnMenu_r1;
|
| 206 |
+
btnMenu_sr <= {btnMenu_sr[14:0], btnMenu_r2};
|
| 207 |
+
if(btnMenu_sr[15:0] == 16'h8000) begin
|
| 208 |
+
menuDown <= 1'b1;
|
| 209 |
+
end
|
| 210 |
+
if(btnMenu_sr[15:0] == 16'h7FFF && menuDown) begin
|
| 211 |
+
menuDisabled <= ~menuDisabled;
|
| 212 |
+
menuDown <= 1'b0;
|
| 213 |
+
end
|
| 214 |
+
|
| 215 |
+
if (btnA_r2 | btnB_r2 | btnDown_r2 | btnUp_r2 | btnLeft_r2 | btnRight_r2 | btnSelect_r2 | btnStart_r2) menuDown <= 1'b0;
|
| 216 |
+
|
| 217 |
+
btnDown_r1 <= BTN_DPAD_DOWN;
|
| 218 |
+
btnDown_r2 <= btnDown_r1;
|
| 219 |
+
btnDown_sr <= {btnDown_sr[14:0], btnDown_r2};
|
| 220 |
+
|
| 221 |
+
btnUp_r1 <= BTN_DPAD_UP;
|
| 222 |
+
btnUp_r2 <= btnUp_r1;
|
| 223 |
+
btnUp_sr <= {btnUp_sr[14:0], btnUp_r2};
|
| 224 |
+
|
| 225 |
+
btnLeft_r1 <= BTN_DPAD_LEFT;
|
| 226 |
+
btnLeft_r2 <= btnLeft_r1;
|
| 227 |
+
btnLeft_sr <= {btnLeft_sr[14:0], btnLeft_r2};
|
| 228 |
+
|
| 229 |
+
btnRight_r1 <= BTN_DPAD_RIGHT;
|
| 230 |
+
btnRight_r2 <= btnRight_r1;
|
| 231 |
+
btnRight_sr <= {btnRight_sr[14:0], btnRight_r2};
|
| 232 |
+
|
| 233 |
+
btnSelect_r1 <= BTN_SEL;
|
| 234 |
+
btnSelect_r2 <= btnSelect_r1;
|
| 235 |
+
|
| 236 |
+
btnStart_r1 <= BTN_START;
|
| 237 |
+
btnStart_r2 <= btnStart_r1;
|
| 238 |
+
|
| 239 |
+
btnA_r1 <= BTN_A;
|
| 240 |
+
btnA_r2 <= btnA_r1;
|
| 241 |
+
|
| 242 |
+
btnB_r1 <= BTN_B;
|
| 243 |
+
btnB_r2 <= btnB_r1;
|
| 244 |
+
|
| 245 |
+
end
|
| 246 |
+
end
|
| 247 |
+
|
| 248 |
+
reg [7:0] lcdcount;
|
| 249 |
+
always@(posedge clk)
|
| 250 |
+
if(lcdcount < 448)
|
| 251 |
+
lcdcount <= lcdcount + 1'd1;
|
| 252 |
+
else
|
| 253 |
+
lcdcount <= 'd0;
|
| 254 |
+
|
| 255 |
+
assign LCD_PWM = LCD_INIT_DONE&LCD_BACKLIGHT_INIT ? (lcdcount <= {brightness[3:0], 4'd0}) : 1'd0;
|
| 256 |
+
|
| 257 |
+
|
| 258 |
+
// 8.388608Mhz clock -> ~119.2ns
|
| 259 |
+
// 0.005s / 119.2ns = 41946
|
| 260 |
+
|
| 261 |
+
localparam ADC_INTERVAL_CYCLES = 'd41946;
|
| 262 |
+
reg [15:0] adc_timer;
|
| 263 |
+
reg [9:0] startup_cnt; // wait for ~4 seconds to have stable measurements
|
| 264 |
+
reg signed [10:0] startup_select; // measure if AA or lithium is used, negative -> LI, positive -> AA
|
| 265 |
+
reg startup_done = 1'b0;
|
| 266 |
+
|
| 267 |
+
always@(posedge clk) begin
|
| 268 |
+
if(adc_timer < ADC_INTERVAL_CYCLES) begin
|
| 269 |
+
adc_timer <= adc_timer + 1'd1;
|
| 270 |
+
hAdcReq_ext <= 'd0;
|
| 271 |
+
// Toggle the mux slightly ahead of starting the measurement
|
| 272 |
+
if (startup_done) begin
|
| 273 |
+
ADC_SEL <= startup_select[10];
|
| 274 |
+
end else if(adc_timer == ADC_INTERVAL_CYCLES - 1000) begin
|
| 275 |
+
ADC_SEL <= ~ADC_SEL;
|
| 276 |
+
end
|
| 277 |
+
end else begin
|
| 278 |
+
adc_timer <= 'd0;
|
| 279 |
+
hAdcReq_ext <= 'd1;
|
| 280 |
+
end
|
| 281 |
+
end
|
| 282 |
+
|
| 283 |
+
assign bat_is_LI = startup_select[10];
|
| 284 |
+
reg [21:0] volt_sum;
|
| 285 |
+
reg [8:0] volt_cnt;
|
| 286 |
+
reg transmitVolt;
|
| 287 |
+
|
| 288 |
+
wire [13:0] VOLTAGE_FULL = bat_is_LI ? 14'd1423 : 14'd1367; // 3.75V LI : 3.6V AA
|
| 289 |
+
wire [13:0] VOLTAGE_CRIT = bat_is_LI ? 14'd1145 : 14'd997; // 3.0V LI : 2.6V AA
|
| 290 |
+
wire [13:0] VOLTAGE_RED = bat_is_LI ? 14'd1182 : 14'd1071; // 3.1V LI : 2.8V AA
|
| 291 |
+
|
| 292 |
+
reg blink;
|
| 293 |
+
|
| 294 |
+
always@(posedge clk or posedge reset) begin
|
| 295 |
+
|
| 296 |
+
if(reset) begin
|
| 297 |
+
low_battery <= 1'd0;
|
| 298 |
+
LED_Red <= 1'd0;
|
| 299 |
+
LED_Green <= 1'd0;
|
| 300 |
+
LED_Yellow <= 1'd0;
|
| 301 |
+
blink <= 1'd0;
|
| 302 |
+
volt <= 14'd0;
|
| 303 |
+
volt_sum <= 22'd0;
|
| 304 |
+
volt_cnt <= 9'd0;
|
| 305 |
+
startup_cnt <= 11'd0;
|
| 306 |
+
startup_select <= 11'd0;
|
| 307 |
+
startup_done <= 1'b0;
|
| 308 |
+
transmitVolt <= 1'b0;
|
| 309 |
+
end else begin
|
| 310 |
+
|
| 311 |
+
transmitVolt <= 1'b0;
|
| 312 |
+
|
| 313 |
+
debug_system <= {1'd0 , startup_select, 6'd0, volt };
|
| 314 |
+
|
| 315 |
+
if(hAdcReady_r1) begin
|
| 316 |
+
if (~startup_cnt[9]) begin // wait for ~4 seconds to have stable measurements
|
| 317 |
+
startup_cnt <= startup_cnt + 1'd1;
|
| 318 |
+
end
|
| 319 |
+
|
| 320 |
+
if (startup_done) begin // average values for determined type only
|
| 321 |
+
volt_sum <= volt_sum + hAdcValue_r1;
|
| 322 |
+
volt_cnt <= volt_cnt + 1;
|
| 323 |
+
end else if (startup_cnt[9] && hAdcValue_r1 >= 700) begin // measure if AA or lithium is used, negative -> LI, positive -> AA
|
| 324 |
+
if (ADC_SEL) begin
|
| 325 |
+
startup_select <= startup_select - 1'd1;
|
| 326 |
+
end else begin
|
| 327 |
+
startup_select <= startup_select + 1'd1;
|
| 328 |
+
end
|
| 329 |
+
end
|
| 330 |
+
|
| 331 |
+
if (startup_select > 11'sd127 || startup_select < -11'sd127) begin // determine type based on which delivered higher values for some seconds
|
| 332 |
+
startup_done <= 1'b1;
|
| 333 |
+
end
|
| 334 |
+
end
|
| 335 |
+
|
| 336 |
+
if (volt_cnt[8]) begin
|
| 337 |
+
volt_sum <= 22'd0;
|
| 338 |
+
volt_cnt <= 9'd0;
|
| 339 |
+
volt <= volt_sum[21:8];
|
| 340 |
+
transmitVolt <= 1'b1;
|
| 341 |
+
end
|
| 342 |
+
|
| 343 |
+
if (gSecondEna) blink <= ~blink;
|
| 344 |
+
|
| 345 |
+
low_battery <= 1'd0;
|
| 346 |
+
LED_Red <= 1'd0;
|
| 347 |
+
LED_Green <= 1'd0;
|
| 348 |
+
LED_Yellow <= 1'd0;
|
| 349 |
+
LED_White <= 1'd0;
|
| 350 |
+
|
| 351 |
+
if (volt >= 700) begin // ~1.8V
|
| 352 |
+
|
| 353 |
+
if (pmic_sys_status[2]) begin // charging
|
| 354 |
+
|
| 355 |
+
if(bat_is_LI && volt < VOLTAGE_FULL) begin
|
| 356 |
+
LED_White <= 1'd1;
|
| 357 |
+
end
|
| 358 |
+
|
| 359 |
+
end else begin
|
| 360 |
+
|
| 361 |
+
if(volt < VOLTAGE_RED) begin
|
| 362 |
+
low_battery <= 1'd1;
|
| 363 |
+
if (blink) LED_Red <= 1'd1;
|
| 364 |
+
end
|
| 365 |
+
|
| 366 |
+
end
|
| 367 |
+
|
| 368 |
+
end
|
| 369 |
+
end
|
| 370 |
+
end
|
| 371 |
+
|
| 372 |
+
wire [6:0] tx_address;
|
| 373 |
+
wire write;
|
| 374 |
+
|
| 375 |
+
wire [13:0] buttons = {
|
| 376 |
+
4'd0,
|
| 377 |
+
menuDisabled,
|
| 378 |
+
~BTN_MENU,
|
| 379 |
+
BTN_DPAD_DOWN,
|
| 380 |
+
BTN_DPAD_LEFT,
|
| 381 |
+
BTN_DPAD_RIGHT,
|
| 382 |
+
BTN_DPAD_UP,
|
| 383 |
+
BTN_A,
|
| 384 |
+
BTN_B,
|
| 385 |
+
BTN_SEL,
|
| 386 |
+
BTN_START
|
| 387 |
+
};
|
| 388 |
+
|
| 389 |
+
reg [13:0] version = {
|
| 390 |
+
1'd0, // 1 bit reserved
|
| 391 |
+
1'd0, // 1 bit debug,
|
| 392 |
+
6'd8, // 6 bits minor version
|
| 393 |
+
6'd18 // 6 bits major version
|
| 394 |
+
};
|
| 395 |
+
|
| 396 |
+
localparam NUM_CH = 10;
|
| 397 |
+
wire [$clog2(NUM_CH)-1:0] tx_channel;
|
| 398 |
+
|
| 399 |
+
wire [NUM_CH-1:0] channelsNewDataValid =
|
| 400 |
+
{
|
| 401 |
+
request_gpd, // Game Palette Data
|
| 402 |
+
~menuDisabled | request_SystemStatusExtended, // System Status Extended
|
| 403 |
+
~menuDisabled, // reserved
|
| 404 |
+
~menuDisabled | request_version, // version info
|
| 405 |
+
~menuDisabled, // pmic sys status
|
| 406 |
+
~menuDisabled, // System Control
|
| 407 |
+
~menuDisabled | updateBrightness, // Audio + Brightness
|
| 408 |
+
~menuDisabled | request_buttons, // Buttons
|
| 409 |
+
(~menuDisabled & transmitVolt & bat_is_LI), // Lithium
|
| 410 |
+
(~menuDisabled & transmitVolt & ~bat_is_LI) // AA
|
| 411 |
+
};
|
| 412 |
+
|
| 413 |
+
wire [13:0] audio_brightness = {2'd0, brightness, hHeadphones, hVolume};
|
| 414 |
+
wire [13:0] mic_sys_status = {6'd0 , pmic_sys_status};
|
| 415 |
+
|
| 416 |
+
wire [7:0] tx_byteCount = (tx_channel == 0) ? 8'd2 : // AA
|
| 417 |
+
(tx_channel == 1) ? 8'd2 : // Lithium
|
| 418 |
+
(tx_channel == 2) ? 8'd2 : // Buttons
|
| 419 |
+
(tx_channel == 3) ? 8'd2 : // Audio + Brightness
|
| 420 |
+
(tx_channel == 4) ? 8'd2 : // System Control
|
| 421 |
+
(tx_channel == 5) ? 8'd2 : // pmic sys status
|
| 422 |
+
(tx_channel == 6) ? 8'd2 : // version info
|
| 423 |
+
(tx_channel == 7) ? 8'd4 : // reserved
|
| 424 |
+
(tx_channel == 8) ? 8'd4 : // System Status Extended
|
| 425 |
+
(tx_channel == 9) ? 8'd8 : // BG Palette Data
|
| 426 |
+
8'd1;
|
| 427 |
+
|
| 428 |
+
wire [7:0] tx_bytepos;
|
| 429 |
+
|
| 430 |
+
wire [7:0] tx_senddata = (tx_channel == 0 && tx_bytepos == 0) ? {2'd0, volt[13:8]} : // AA
|
| 431 |
+
(tx_channel == 0 && tx_bytepos == 1) ? volt[7:0] :
|
| 432 |
+
|
| 433 |
+
(tx_channel == 1 && tx_bytepos == 0) ? {2'd0, volt[13:8]} : // Lithium
|
| 434 |
+
(tx_channel == 1 && tx_bytepos == 1) ? volt[7:0] :
|
| 435 |
+
|
| 436 |
+
(tx_channel == 2 && tx_bytepos == 0) ? {2'd0, buttons[13:8]} : // Buttons
|
| 437 |
+
(tx_channel == 2 && tx_bytepos == 1) ? buttons[7:0] :
|
| 438 |
+
|
| 439 |
+
(tx_channel == 3 && tx_bytepos == 0) ? {2'd0, audio_brightness[13:8]} : // Audio + Brightness
|
| 440 |
+
(tx_channel == 3 && tx_bytepos == 1) ? audio_brightness[7:0] :
|
| 441 |
+
|
| 442 |
+
(tx_channel == 4 && tx_bytepos == 0) ? {2'd0, system_control[13:8]} : // System Control
|
| 443 |
+
(tx_channel == 4 && tx_bytepos == 1) ? system_control[7:0] :
|
| 444 |
+
|
| 445 |
+
(tx_channel == 5 && tx_bytepos == 0) ? {2'd0, mic_sys_status[13:8]} : // pmic sys status
|
| 446 |
+
(tx_channel == 5 && tx_bytepos == 1) ? mic_sys_status[7:0] :
|
| 447 |
+
|
| 448 |
+
(tx_channel == 6 && tx_bytepos == 0) ? {2'd0, version[13:8]} : // version info
|
| 449 |
+
(tx_channel == 6 && tx_bytepos == 1) ? version[7:0] :
|
| 450 |
+
|
| 451 |
+
(tx_channel == 7 && tx_bytepos == 0) ? 8'd0 : // reserved
|
| 452 |
+
(tx_channel == 7 && tx_bytepos == 1) ? 8'd0 :
|
| 453 |
+
(tx_channel == 7 && tx_bytepos == 2) ? 8'd0 :
|
| 454 |
+
(tx_channel == 7 && tx_bytepos == 3) ? 8'd0 :
|
| 455 |
+
|
| 456 |
+
(tx_channel == 8 && tx_bytepos == 0) ? {6'd0, gbc_mode, lowpowerBacklight} : // System Status Extended
|
| 457 |
+
(tx_channel == 8 && tx_bytepos == 1) ? 8'd0 :
|
| 458 |
+
(tx_channel == 8 && tx_bytepos == 2) ? 8'd0 :
|
| 459 |
+
(tx_channel == 8 && tx_bytepos == 3) ? 8'd0 :
|
| 460 |
+
|
| 461 |
+
(tx_channel == 9 && tx_bytepos == 0) ? gpd[7:0] : // Combined Game Palette Data
|
| 462 |
+
(tx_channel == 9 && tx_bytepos == 1) ? gpd[15:8] :
|
| 463 |
+
(tx_channel == 9 && tx_bytepos == 2) ? gpd[23:16] :
|
| 464 |
+
(tx_channel == 9 && tx_bytepos == 3) ? gpd[31:24] :
|
| 465 |
+
(tx_channel == 9 && tx_bytepos == 4) ? gpd[39:32] :
|
| 466 |
+
(tx_channel == 9 && tx_bytepos == 5) ? gpd[47:40] :
|
| 467 |
+
(tx_channel == 9 && tx_bytepos == 6) ? gpd[55:48] :
|
| 468 |
+
(tx_channel == 9 && tx_bytepos == 7) ? gpd[63:56] :
|
| 469 |
+
8'd0;
|
| 470 |
+
|
| 471 |
+
wire uartDisabled;
|
| 472 |
+
|
| 473 |
+
system_monitor_arbiter
|
| 474 |
+
#(
|
| 475 |
+
.NUM_CH(NUM_CH)
|
| 476 |
+
) u_system_monitor_arbiter
|
| 477 |
+
(
|
| 478 |
+
.clk(clk),
|
| 479 |
+
.reset(reset),
|
| 480 |
+
.uartDisabled(uartDisabled),
|
| 481 |
+
.menuDisabled(menuDisabled),
|
| 482 |
+
.channelsNewDataValid(channelsNewDataValid),
|
| 483 |
+
.uart_tx_busy(uart_tx_busy),
|
| 484 |
+
.tx_address(tx_address),
|
| 485 |
+
.tx_channel(tx_channel),
|
| 486 |
+
.write_done(write_done),
|
| 487 |
+
.write(write)
|
| 488 |
+
);
|
| 489 |
+
|
| 490 |
+
uart_packet_wrapper_tx u_uart_packet_wrapper_tx
|
| 491 |
+
(
|
| 492 |
+
.clk(clk),
|
| 493 |
+
.reset(reset),
|
| 494 |
+
.uart_tx_busy(uart_tx_busy),
|
| 495 |
+
.uart_tx_data(uart_tx_data),
|
| 496 |
+
.uart_tx_val(uart_tx_val),
|
| 497 |
+
.uartDisabled(uartDisabled),
|
| 498 |
+
.menuDisabled(menuDisabled),
|
| 499 |
+
.write(write),
|
| 500 |
+
.write_done(write_done),
|
| 501 |
+
.tx_address(tx_address),
|
| 502 |
+
.tx_byteCount(tx_byteCount),
|
| 503 |
+
.tx_bytepos(tx_bytepos),
|
| 504 |
+
.tx_senddata(tx_senddata)
|
| 505 |
+
);
|
| 506 |
+
|
| 507 |
+
uart_packet_wrapper_rx u_uart_packet_wrapper_rx
|
| 508 |
+
(
|
| 509 |
+
.clk(clk),
|
| 510 |
+
.reset(reset),
|
| 511 |
+
.uart_rx_val(uart_rx_val),
|
| 512 |
+
.uart_rx_data(uart_rx_data),
|
| 513 |
+
.uartDisabled(uartDisabled),
|
| 514 |
+
.rx_address(rx_address),
|
| 515 |
+
.rx_data(rx_data),
|
| 516 |
+
.rx_data_val(rx_data_val)
|
| 517 |
+
);
|
| 518 |
+
|
| 519 |
+
endmodule
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/system_monitor_arbiter.sv
ADDED
|
@@ -0,0 +1,106 @@
|
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|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
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|
|
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|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
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|
|
|
| 1 |
+
|
| 2 |
+
module system_monitor_arbiter
|
| 3 |
+
#(
|
| 4 |
+
parameter NUM_CH = 8
|
| 5 |
+
)
|
| 6 |
+
(
|
| 7 |
+
input clk,
|
| 8 |
+
input reset,
|
| 9 |
+
input [NUM_CH-1:0] channelsNewDataValid,
|
| 10 |
+
input menuDisabled,
|
| 11 |
+
input uart_tx_busy,
|
| 12 |
+
input write_done,
|
| 13 |
+
output uartDisabled,
|
| 14 |
+
output [$clog2(NUM_CH)-1:0] tx_channel,
|
| 15 |
+
output reg [6:0] tx_address = 'd0,
|
| 16 |
+
output reg write
|
| 17 |
+
);
|
| 18 |
+
|
| 19 |
+
reg channelsDataRefreshRequest [NUM_CH-1:0] = '{default: 0};
|
| 20 |
+
reg [$clog2(NUM_CH)-1:0] active_channel = 'd0;
|
| 21 |
+
reg [$clog2(NUM_CH)-1:0] next_channel = 'd0;
|
| 22 |
+
reg write_active;
|
| 23 |
+
reg arbiter_active;
|
| 24 |
+
reg button_next = 1'b0;
|
| 25 |
+
|
| 26 |
+
|
| 27 |
+
assign tx_channel = active_channel;
|
| 28 |
+
|
| 29 |
+
genvar g;
|
| 30 |
+
generate
|
| 31 |
+
for(g = 0; g < NUM_CH; g++)
|
| 32 |
+
begin : channels
|
| 33 |
+
always@(posedge clk)
|
| 34 |
+
begin
|
| 35 |
+
if(channelsNewDataValid[g])
|
| 36 |
+
begin
|
| 37 |
+
channelsDataRefreshRequest[g] <= 1'd1;
|
| 38 |
+
end
|
| 39 |
+
else
|
| 40 |
+
if((active_channel == g)&&(write_done))
|
| 41 |
+
channelsDataRefreshRequest[g] <= 1'd0;
|
| 42 |
+
end
|
| 43 |
+
end
|
| 44 |
+
endgenerate
|
| 45 |
+
|
| 46 |
+
assign uartDisabled = ~arbiter_active;
|
| 47 |
+
always@(posedge clk or posedge reset)
|
| 48 |
+
begin
|
| 49 |
+
if(reset)
|
| 50 |
+
begin
|
| 51 |
+
active_channel <= 'd0;
|
| 52 |
+
write <= 'd0;
|
| 53 |
+
write_active <= 'd0;
|
| 54 |
+
arbiter_active <= 'd0;
|
| 55 |
+
end
|
| 56 |
+
else
|
| 57 |
+
begin
|
| 58 |
+
arbiter_active <= 1'd1;
|
| 59 |
+
|
| 60 |
+
if((channelsDataRefreshRequest[active_channel] == 'd0) & arbiter_active)
|
| 61 |
+
begin
|
| 62 |
+
if(active_channel < NUM_CH - 1)
|
| 63 |
+
active_channel <= active_channel + 1'd1;
|
| 64 |
+
else
|
| 65 |
+
active_channel <= 'd0;
|
| 66 |
+
end
|
| 67 |
+
else
|
| 68 |
+
begin
|
| 69 |
+
if(~write_active & arbiter_active)
|
| 70 |
+
begin
|
| 71 |
+
if(~uart_tx_busy)
|
| 72 |
+
begin
|
| 73 |
+
write_active <= 1'd1;
|
| 74 |
+
write <= 1'd1;
|
| 75 |
+
tx_address <= active_channel;
|
| 76 |
+
end
|
| 77 |
+
end
|
| 78 |
+
else
|
| 79 |
+
begin
|
| 80 |
+
write <= 1'd0;
|
| 81 |
+
if(write_done)
|
| 82 |
+
begin
|
| 83 |
+
if(menuDisabled)
|
| 84 |
+
arbiter_active <= 1'd0;
|
| 85 |
+
|
| 86 |
+
write_active <= 1'd0;
|
| 87 |
+
|
| 88 |
+
button_next <= ~button_next;
|
| 89 |
+
if (button_next) begin
|
| 90 |
+
active_channel <= 'd2;
|
| 91 |
+
end else begin
|
| 92 |
+
if(next_channel < NUM_CH - 1) begin
|
| 93 |
+
next_channel <= next_channel + 1'd1;
|
| 94 |
+
active_channel <= next_channel + 1'd1;
|
| 95 |
+
end else begin
|
| 96 |
+
next_channel <= 'd0;
|
| 97 |
+
active_channel <= 'd0;
|
| 98 |
+
end
|
| 99 |
+
end
|
| 100 |
+
end
|
| 101 |
+
end
|
| 102 |
+
end
|
| 103 |
+
end
|
| 104 |
+
end
|
| 105 |
+
|
| 106 |
+
endmodule
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/tlv320_init.v
ADDED
|
@@ -0,0 +1,90 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
// tlv320_init.v
|
| 2 |
+
// Contains a ROM with a default register set, masters I2C controller
|
| 3 |
+
|
| 4 |
+
module tlv320_init#(
|
| 5 |
+
parameter I2C_DATA_WIDTH = 8,
|
| 6 |
+
parameter REGISTER_WIDTH = 8,
|
| 7 |
+
parameter ADDRESS_WIDTH = 7
|
| 8 |
+
|
| 9 |
+
)(
|
| 10 |
+
input pclk,
|
| 11 |
+
input vb_rst,
|
| 12 |
+
input i2c_busy,
|
| 13 |
+
|
| 14 |
+
output reg tlv320_init_done,
|
| 15 |
+
output reg i2c_enable,
|
| 16 |
+
output reg i2c_read_write,
|
| 17 |
+
output reg [I2C_DATA_WIDTH-1:0] i2c_mosi_data,
|
| 18 |
+
output reg [REGISTER_WIDTH-1:0] i2c_register_address,
|
| 19 |
+
output reg [ADDRESS_WIDTH-1:0] i2c_device_address
|
| 20 |
+
|
| 21 |
+
);
|
| 22 |
+
|
| 23 |
+
localparam numregs = 64;
|
| 24 |
+
localparam numregsactual = 64;
|
| 25 |
+
reg [15:0] tlv320regs [numregs-1:0] /* synthesis syn_romstyle = "distributed_rom" */;
|
| 26 |
+
initial
|
| 27 |
+
begin
|
| 28 |
+
$readmemh("tlv320regs.hex", tlv320regs);
|
| 29 |
+
end
|
| 30 |
+
|
| 31 |
+
reg [7:0] scount;
|
| 32 |
+
reg [7:0] regindex;
|
| 33 |
+
reg [23:0] regvalue;
|
| 34 |
+
always@(posedge pclk)
|
| 35 |
+
regvalue <= tlv320regs[regindex];
|
| 36 |
+
|
| 37 |
+
always@(posedge pclk)
|
| 38 |
+
begin
|
| 39 |
+
if(vb_rst)
|
| 40 |
+
begin
|
| 41 |
+
scount <= 'd0;
|
| 42 |
+
i2c_read_write <= 'd0;
|
| 43 |
+
i2c_register_address <= 'd0;
|
| 44 |
+
i2c_mosi_data <= 'd0;
|
| 45 |
+
i2c_device_address <= 'd0;
|
| 46 |
+
i2c_enable <= 'd0;
|
| 47 |
+
regindex <= 'd0;
|
| 48 |
+
tlv320_init_done <= 'd0;
|
| 49 |
+
end
|
| 50 |
+
else
|
| 51 |
+
case(scount)
|
| 52 |
+
0:
|
| 53 |
+
begin
|
| 54 |
+
i2c_read_write <= 'd0;
|
| 55 |
+
i2c_register_address <= regvalue[15:8];
|
| 56 |
+
i2c_mosi_data <= regvalue[7:0];
|
| 57 |
+
i2c_device_address <= 7'h18;
|
| 58 |
+
i2c_enable <= 'd0;
|
| 59 |
+
scount <= scount + 1'd1;
|
| 60 |
+
end
|
| 61 |
+
1:
|
| 62 |
+
// if master is not busy start a write
|
| 63 |
+
if(~i2c_busy)
|
| 64 |
+
begin
|
| 65 |
+
i2c_enable <= 'd1;
|
| 66 |
+
scount <= scount + 1'd1;
|
| 67 |
+
end
|
| 68 |
+
2:
|
| 69 |
+
// once busy set enable low
|
| 70 |
+
if(i2c_busy)
|
| 71 |
+
begin
|
| 72 |
+
i2c_enable <= 'd0;
|
| 73 |
+
scount <= scount + 1'd1;
|
| 74 |
+
end
|
| 75 |
+
3:
|
| 76 |
+
// if master is not busy start next write
|
| 77 |
+
if(~i2c_busy)
|
| 78 |
+
begin
|
| 79 |
+
if(regindex < numregsactual)
|
| 80 |
+
begin
|
| 81 |
+
scount <= 'd0;
|
| 82 |
+
regindex <= regindex + 1'd1;
|
| 83 |
+
end
|
| 84 |
+
else
|
| 85 |
+
tlv320_init_done <= 1'd1;
|
| 86 |
+
end
|
| 87 |
+
endcase
|
| 88 |
+
end
|
| 89 |
+
|
| 90 |
+
endmodule
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/uart/fixed_point_divider/fixed_point_divider.v
ADDED
|
@@ -0,0 +1,1034 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
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|
| 1 |
+
//
|
| 2 |
+
//Written by GowinSynthesis
|
| 3 |
+
//Product Version "GowinSynthesis V1.9.7.02Beta"
|
| 4 |
+
//Mon May 10 08:46:21 2021
|
| 5 |
+
|
| 6 |
+
//Source file index table:
|
| 7 |
+
//file0 "\C:/Gowin/Gowin_V1.9.7.02Beta/IDE/ipcore/DIVIDER/data/div_wrap.v"
|
| 8 |
+
//file1 "\C:/Gowin/Gowin_V1.9.7.02Beta/IDE/ipcore/DIVIDER/data/qdiv.v"
|
| 9 |
+
`timescale 100 ps/100 ps
|
| 10 |
+
`pragma protect begin_protected
|
| 11 |
+
`pragma protect version=1
|
| 12 |
+
`pragma protect author="default"
|
| 13 |
+
`pragma protect author_info="default"
|
| 14 |
+
`pragma protect encrypt_agent="Synplify encryptP1735.pl"
|
| 15 |
+
`pragma protect encrypt_agent_info="Synplify encryptP1735.pl Version 1.1"
|
| 16 |
+
|
| 17 |
+
`pragma protect encoding=(enctype="base64", line_length=76, bytes=256)
|
| 18 |
+
`pragma protect key_keyowner="Synplicity",key_keyname="SYNP05_001",key_method="rsa"
|
| 19 |
+
`pragma protect key_block
|
| 20 |
+
cPxCVdqShOKMVODCtgrX+saJA4lUi6pqLB/etOubKoIdCF8IrYOcExBq/0AkWHaLUjVBousKuzG0
|
| 21 |
+
S4fQfBaqJLZnAC82l+T0u9WmrqOXlT2IOUDldwjB7LzHmMp4YfKWZzr5I6w8+8yzOnQ7mtp/0pEE
|
| 22 |
+
XcYyjhFQqXo/2XF1NIAK0zpErSoPFqddhcmsh8QsByB7ElvKzi6mN37AEm9cOudVnrFac+0O9D27
|
| 23 |
+
yajVKSMhqua+xXsISR3edP53Sf4BpLFZEg+MdP04nrCYQ0DpNo51TUXUa+EIuY1KRVgkMvYUN4UF
|
| 24 |
+
mKzo34Urj1sgE8iFK8AkFSKOlFUyadE8d2PSCA==
|
| 25 |
+
|
| 26 |
+
`pragma protect encoding=(enctype="base64", line_length=76, bytes=256)
|
| 27 |
+
`pragma protect key_keyowner="GoWin",key_keyname="GoWin001",key_method="rsa"
|
| 28 |
+
`pragma protect key_block
|
| 29 |
+
Iw3lr6I/oWZcWltqZAe9KSWENcaLkk8/jTQH2Mn8DS1KghgJ6Bg7I6CPnLpTr8UL8YpJOW6k3fUI
|
| 30 |
+
WM2rSpWrPFxFxCG3Kk0xDRh4BW8AlJhcTpU23K3aoLESkSW/QwBustwHoAr6jdwxlEnwjUcEut5s
|
| 31 |
+
kIUfn2xU2MZn144DTqfFXdn6NISuvGVAi+yP9ek5AYIzJ9cmy7aA/XoHxQCr20XnCr6j3hK3E4m2
|
| 32 |
+
AppW89TDhOd+uu712G8RkIl2qutqW9yH0kFLDkmn2vzdZC0MPbYJpPBp8wufw+FuDF/b7VqLJLVj
|
| 33 |
+
7SFr1enRbf3V1b4PHQBnBNW+hNHXQUiiQwJ65w==
|
| 34 |
+
|
| 35 |
+
`pragma protect encoding=(enctype="base64", line_length=76, bytes=54608)
|
| 36 |
+
`pragma protect data_keyowner="default-ip-vendor"
|
| 37 |
+
`pragma protect data_keyname="default-ip-key"
|
| 38 |
+
`pragma protect data_method="aes128-cbc"
|
| 39 |
+
`pragma protect data_block
|
| 40 |
+
EA4aT09nCsww/OO6RGfoGejTtTTgFHa0PFigO8OFdvGI1fOWv+CIXSV0MBtrCJbN24j9k+Bcq+3u
|
| 41 |
+
jN1J9lf4BEbCT/uNsvEBOBKzjZAYMFh4upXQQ7KAXV0P4QRTrsh+3rwCx9yoK7AwuoNlE0pHuLKr
|
| 42 |
+
8J73SF4OMYaVLbSqmqhnskCKh/fikmM/CiJkHse700iJo/oU/5W8PhtmeN/fsxPWKaBmJIZ3qmdV
|
| 43 |
+
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| 747 |
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| 756 |
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| 758 |
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| 760 |
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| 761 |
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| 764 |
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| 766 |
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| 767 |
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| 768 |
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| 769 |
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| 772 |
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| 773 |
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| 774 |
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| 777 |
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| 779 |
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| 780 |
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| 782 |
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| 783 |
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| 784 |
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| 785 |
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n2bCp/95RrQJimpgaIWK+s/rSASlQbj+8p51qNfX2/k10QxRO6lV5+Syfave/YLpEW8ERRlY79xz
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| 787 |
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3D5jgr5w+5lGv7t1TcuNgJVvt9u+JxaMIeas9KD359c+mq8Telsdx2HrRpNSpL8J30BASNccel5K
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gy4TAQA1WrvefWgEN5AjENaJqwd6mx+d+op6inH/fgldHhYfs0FGSwHggt0D7yuA3PvPs9kY038a
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p+Mq9Dg5Qnqs4Be8SZtvAS+3Em/V/Aug3Z3wtmGtVwlnAtFZq31b7GXp+N4Re2za2ymAAIRpVySx
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| 790 |
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l8A5mePEYr2n6lNXvnXathoXvVBDLjSWmGDeFyIXYLb4nRS5WQV2glkfmaSrV+l4F3qp7Buf7ize
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| 791 |
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QFtN/8kWdPtpMwXu3HKzCnlFhcjkGangdl1rhRFIALsHy1/txpYntItk6Zcb8ak42p+Ma1SSuy/g
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| 792 |
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pZvasqMbHBuuGjBlQzYYgu50zTRYQpt2o02PZ11ksK8j2wJGirbilAftXloHc+fSEwALmomEznlW
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| 793 |
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| 794 |
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katb0292fYtTeiEv+ZrCUajjAB1qzot+JMsJrSHTw5tqHSbFG31TXpiGR1uAI4d+j2C44I5bRNMl
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| 795 |
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| 797 |
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| 798 |
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| 799 |
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5YnJ43xjW5e3ON6iM23XJtI0Et4TiAEXQdXzRzb/kI2jU8CUuhbiQBmV6QJsc0Lk03o2WYHvMq1S
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| 800 |
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| 801 |
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| 802 |
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7lkz8CLIJJHdO15dIWEIZM/SoYOM+0gbO2jBjVoYpRGDt3PpuvbPs0wQAh7a86yVHnxjbnOm9BZl
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| 803 |
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ujk+UcEDhwOdPbXh0qfyUlWltx6SY0NXN3mqUNv9KJyVTGB0LCeCRK13RmAxlVjl4PTbl0F3GLLY
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| 804 |
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| 805 |
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| 806 |
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| 807 |
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| 808 |
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| 809 |
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O+iVjtTsWLkEewZZRtBKrSFuGhmQfKlEwL30NvNPc4dEmpOZM6w74/LPeTuBDkrM+8e4LmE57SRR
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| 810 |
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IynNwCB9jWrZrqR2+mgOnALj84BuDovc3aJXi+dgeOIDc9twtUSV10fQS0eCJ9cf7Z9DMr3dZJPr
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| 811 |
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| 812 |
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zjG16aMmjy/P4FR8bV3f/VZHyvntaUd+zLrVo628il1iC2n2K3GGspwztbOivqnorse3AOiINXwl
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| 813 |
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HlQ/+wmywfnIcdIJUqXyATBOG2OuJQ01jMyn6e9SHcgp36TUf4Le6ZNmHohdoaGN1hTZdkTIdCG7
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| 814 |
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| 815 |
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PLVFOtXI/Y8xBdNuqIIfpgprc4XEf8matiTYFFArgXBP6Ex6/0+GcSLq4YioQTvvZamIOgg+/NBV
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| 816 |
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iDbOjP+iP7yd67W9kitYoNYvf6HnmCRjvv60w60e/Wl8UZk69vHs5KwWjYsJX9SGN3suFM2boM3r
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| 817 |
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mI5NRhBwIc+twUDOC26gERovnxhV3m01aTjbBzQiTeosivEQlsatbQXhMM48mKNZnRlKdJo0SaFp
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| 818 |
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| 819 |
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| 820 |
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h8wBgdYcKkHmeG02ISSWVQL8VdHj9QT24agmtdALVJBe7imstudY5LcPzA/52fzSE3U1GB+Ama3J
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| 821 |
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| 822 |
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PSgGKBhwguZWpEvexxFGnVMhVIfGYt73PmHWNbY3TmvEz8KyPeOgYmouD3y3os7cxep/Y4eqGswl
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| 823 |
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| 824 |
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| 825 |
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kKH3jKSVra6mwB1kwSX9YscwxVKZQI91UIttKyElt0SixXwkJnJExP6aVku8mO+YGfRiD1y1yWLC
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| 826 |
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3+x6BNs5lOk3vEOn/DApwF5rwBjFaLbhVIuHBZKiwZPvrNMf33FA+t0qRKuK58Su6f175s9OSSKj
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| 827 |
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kMHBeA34pGDZ+CmG7KDIAzmt6/QQRehQciGuWwu6ZytSeWl6pB1OxhSEI7FbW0WjI3MLFpqtca4o
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| 828 |
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| 829 |
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qszomd2ML6scgle87uwudfjnu3AxXlUDPdRdhhyoWusqBfokiaDMuBlvvODhsnWIXsneQxL7FbO7
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| 830 |
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| 831 |
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utizQSbnzeH/H19tUYa2LFZ4hewIFvzgo3cG0yz4avhQyYeK3D5vPxWO83XCpXsiTVSsbiRO3o5/
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| 832 |
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| 833 |
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| 834 |
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| 835 |
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| 836 |
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ErxSHgGpq/TnyqdolxjZEa3v1AWXB7OCKU2Vbf0N/Rofu2MutLCT4iJpgO3KSk7piaO3a9EsK73S
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| 837 |
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t1zllzMc3XIDYjT7gEoMgt0brdncILHdaiuljc7C5tr+Tbc7aPMrskoquzEU5TXGLMxD20sFMVql
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| 838 |
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| 839 |
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feXSyfvCYifW3SWpVe7PRNQ34bI21485YM3/gDcNBuw9TsG7gR20+gxIoWsI+SjxPX1QvrGmXY7S
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| 840 |
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paXOAMeXDDMATbgbOsAEQ+vLIsfrF3SfKEq12I1iXw2PDtF+YVZRJxEPl+sqTMj2ul/GCq4rTcBR
|
| 841 |
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WlWCXnTuR91dcoLo+UAw9I40MgRatUJOJ2NANVmt7KvukkkWM5TyPqI00IoKUaePOdT8eqK7sJC7
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| 842 |
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qurfq/s0OrQIjt99ZswgEaR99ChmhtP80bqOvELy8L/en3QCMCM5g3MNghBzblwXqqmX1oeJGQzc
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| 843 |
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quhKSmc7GjotPzpcLJqlwqpEeHps2JOWoLhkZV7QbdckR9IV8wtSGzGiHKuVL3Gkve8RGknlOPJW
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| 844 |
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oIFl34A+DjORBiSCm2if5I5EfBpdm7/Q5oWq66isykTDruBYzcgK3rQIMMVzP1RqtYth0wK6f5lm
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| 845 |
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P0DFEqETLAQ8YZ5RcEHvrEcTLrmxkpH0CRyD2WmcKla+SpO8IXbFeDi92ryRKHo0K+Wi7bQo36n2
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| 846 |
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Atkr6c8Kx2Bz5s+f4WAlvLzGgfN1Kefm4LGb2ErBk45FIXpa0vJPeJF1nwp30PAPpunMU+Mx/bDa
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| 847 |
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GGWLIvrT4aezUG3dLMvjEor67iDB6bhM8cKA4pQJyvxK8EXZDezcebnJgK9LIuqTwjJId/kaAXT6
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| 848 |
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s4HVWZqhflmmRXtKshDdyvyfd3MCPCr+zj1Vx7NQ2mg4dvgF8Vb151MkvsH50Ds3AVtynwK+zYHo
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| 849 |
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fxRjkxvwQc2KFq2lhP1Fkhxgsik+uB2Lnd9rwySR0sZRreQCRrmglRM+y31rC/OnMYYSueQE+IwO
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| 850 |
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EP7NZfq5Vk4GsVo+38ypx1IeU/YwyX3aYJX2vQkXrjkA/bjd7PFOU1vE70+2SSRE9CexZH6+lXvV
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| 851 |
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pIVu1FECK9fsHGOn8YAHk9iboysr9SXPAMSCozRO1LiDGI2GQ2KtsAgh23IVnpNDSeP8yHHMckt+
|
| 852 |
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e6qVaSqzadpzqVS4BcWPDEw/YMPVfi/Pk1qxBAkf4AWYnV0JZYt6eExg199lDnu7fVAzSkS6XpEM
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| 853 |
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OrGfahCNP5pNIBpc6Aqm8czythmadkWFCbX/b+rUV/HyqlZyoD7b7WuYQvii0TN5sXmSs1M9BstY
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| 854 |
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C9BjfX64oZ4rqCXDl5G+uL0+YNcui++Y4CbdT3+84wCq7rU//NQSjtkHg2iZ1oP17nfIgA9NkU6X
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| 855 |
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5tHfaHs+wj5+JFqapl+m/qfOHHVsynacRolpnrgaYNG6X4r161WRLs1e5Km2j9bGU0gUjsbpxahY
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| 856 |
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Hlbp+QZuMfEw8Z2xSohfdeNcRbdmq27w/Nugx+6PQPhyy0/HFJxkirNwZbpcExPPScoZK8id6rAB
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| 857 |
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SA693LcSH0Bwal+qMrEhwFqX8Xx09JJeJyTj6ciK8CHjf0d84K5C22eEW9r0yn1konzP6R2apYZg
|
| 858 |
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| 888 |
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| 901 |
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| 908 |
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| 910 |
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| 911 |
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| 912 |
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| 913 |
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| 914 |
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| 915 |
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| 916 |
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| 917 |
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| 918 |
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| 920 |
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| 921 |
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| 922 |
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| 923 |
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| 924 |
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| 925 |
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| 926 |
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| 927 |
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| 928 |
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| 929 |
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| 931 |
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| 932 |
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| 934 |
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| 935 |
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| 937 |
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| 938 |
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| 939 |
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| 940 |
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| 941 |
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| 942 |
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| 943 |
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| 944 |
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| 945 |
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| 947 |
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| 948 |
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| 949 |
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| 950 |
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| 952 |
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| 955 |
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| 958 |
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| 959 |
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| 960 |
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| 961 |
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| 962 |
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| 963 |
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| 964 |
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| 965 |
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| 966 |
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| 967 |
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| 968 |
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| 969 |
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| 970 |
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| 973 |
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| 974 |
+
UAndcyyy0aWdpzKjyV2vHuajlLZ+GOFCwMEr57nPHM1xDlUOPMBqrfWimJ0l+3Pt9HsOer/VgXuF
|
| 975 |
+
b/+ta3VXM0f59UYMAr2O+XCPqZUd+gDChmqCaBkIijx48+nzk0n2so8iL6XJ2oEYIDlkVi4mfQ/y
|
| 976 |
+
7OLgbExLc/47wdMF4sfaOWfYa74pkfik6Scku6SOJ0wU3WK+N5lo1aTbjhPwvhIvg4J1MaCLawUh
|
| 977 |
+
ez0GfR2dc+UElnDxf9ZdaAVr3wjPPA0AbFvMz9VZeiW6yMWujjpLAtRgLCZfYT3/41rpons6pjsD
|
| 978 |
+
Hj2P9vJjy0h+0j7yiYdRmVWzWLAvSy33WIHjRK2uj2isoaE1UDG0enibwB6kZHlAy82NPeJDvRQ3
|
| 979 |
+
HjlEcB007ZZukMixCtvdmnPWXnfeJeCIIwHNJyRFV2LcTRHR2PjEo6cvbQlUwFdrA2xwby+izDIM
|
| 980 |
+
AxbNDxdBGcL9k/e93BpzIga45WxCSd1jy4x4CqDRJJACmclDpIt2/CaqtlxHRf8an4unDOpf87t5
|
| 981 |
+
HQ8mJsMfr/hHFSAU25DvNntfhmQ59i3M3lJNcq7fNNMX5aMPaX6PzHHBdYz43q/cETlp3umq8+U7
|
| 982 |
+
gt5hVq3AZqKuYje/vPgLOu/FdO5kO0Fn5dKVVQTP4z8ebwqXsb6Q99Y0lkXKvFhlQTUVe91BTfNt
|
| 983 |
+
b9kXltPUdxlN3ti8ybmORcWulDgNAgVmgPxADyTgw1u7ley4VkTE1X0g+0M1xBg+S5UvxFRDrDFf
|
| 984 |
+
MNPdKaT2mTF6XzpLof2Xf2GYDnVhRpCHA4688rNxIAmwIKYd9nC52d2GXhTiD1hiFANQ0NtFYpLR
|
| 985 |
+
I1OLiVzAUEoWc+UQFtc5KL2JGoYxZJEIQDBBPml3zvqWjO/GtVzyYabRuXzjEKolx+KR54Mgvfvj
|
| 986 |
+
k6E/NTl1YVi1ctZlNSqLhuOU9+E0iQH4Zk36SS3StGXKIj3fhTaKtcetJ+jL3Gsa0YKA+AHTFUNv
|
| 987 |
+
+FhPFSIhq6Ea2D9TMVpT5dQRJTBZ2p2aE4xH0hpWGtWd3L6wrv8aDs62qkObyBu7BH7oRSZfFAGb
|
| 988 |
+
1R9O1YVDZvv2MUold7iQJkjGEosFJ6LrEo/RgOcIHZNUGbQyT0oRA3Khx5bEkIPdv8REww+RLqJI
|
| 989 |
+
0N/PllHVyPy6gqwfwuA8C0ylZq3NyZ+SJl/dMD6Pk8TgDppfYHdERHwRhG6QGHJKjTwc13ZEivC2
|
| 990 |
+
EMS73hXqOk59WIAt5aNrQ8B9JWTIv3egw8jO3Gha4jbDp2fss2eQ0DkZtHS2/foXY6pHaGKkxNeQ
|
| 991 |
+
w/EYTBZCGPxbRRSf8ZTasEyEKbjj45bM063JxRkj1omH5c68ZOPnd3VCMVs7pEva5cM24PQ3ePJn
|
| 992 |
+
L3ppamEzfzfBlBXo/SE5zCUeU5NRx6YzNe3JdIHTkutGHetM7krJdNh8CSCO4xzFk79YDDTqdxfy
|
| 993 |
+
8h+hcb2YKXNim1taVwOhWBGu0H2cBuUeh2fwMGIq9YTATpV5PFwmX3+Gvz/JTGr2cXYXpxp6vIR2
|
| 994 |
+
EEVUawYFz4R6MhwNbb1jaobpg+JnFQu76Xz4eiRL2lJnR83C48RSp7DZaubhcCIHDN4B62qt4UdH
|
| 995 |
+
s+GaoDyk3h+FdckyCPbxPRdV5y3+5EHYGb5AAC2+N5TaOZmECZbaD4Jfjo1Xi63SDa/tbxruV0Cg
|
| 996 |
+
bVxp853Y5iyUPk77Ns5n1woNu6OgqM4VYQxKV6pSGQJut283QSo+ezWAklMXNJL4Nk/eaZk3zSR0
|
| 997 |
+
NGDyRWgB4QZHVRV9YmbT1mJynuYzyJZKhxfQJIHPJuMDyFLMIq+doh3QexZ2zCGKTZ2WCc9uN6Ic
|
| 998 |
+
wu4=
|
| 999 |
+
`pragma protect end_protected
|
| 1000 |
+
module Fixed_Point_Divider_Top (
|
| 1001 |
+
dividend,
|
| 1002 |
+
divisor,
|
| 1003 |
+
start,
|
| 1004 |
+
clk,
|
| 1005 |
+
quotient_out,
|
| 1006 |
+
complete
|
| 1007 |
+
)
|
| 1008 |
+
;
|
| 1009 |
+
input [31:0] dividend;
|
| 1010 |
+
input [31:0] divisor;
|
| 1011 |
+
input start;
|
| 1012 |
+
input clk;
|
| 1013 |
+
output [31:0] quotient_out;
|
| 1014 |
+
output complete;
|
| 1015 |
+
wire VCC;
|
| 1016 |
+
wire GND;
|
| 1017 |
+
\~qdiv.Fixed_Point_Divider_Top u_fra_div (
|
| 1018 |
+
.clk(clk),
|
| 1019 |
+
.start(start),
|
| 1020 |
+
.dividend(dividend[31:0]),
|
| 1021 |
+
.divisor(divisor[31:0]),
|
| 1022 |
+
.complete(complete),
|
| 1023 |
+
.quotient_out(quotient_out[31:0])
|
| 1024 |
+
);
|
| 1025 |
+
VCC VCC_cZ (
|
| 1026 |
+
.V(VCC)
|
| 1027 |
+
);
|
| 1028 |
+
GND GND_cZ (
|
| 1029 |
+
.G(GND)
|
| 1030 |
+
);
|
| 1031 |
+
GSR GSR (
|
| 1032 |
+
.GSRI(VCC)
|
| 1033 |
+
);
|
| 1034 |
+
endmodule /* Fixed_Point_Divider_Top */
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/uart/uart.v
ADDED
|
@@ -0,0 +1,142 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
//
|
| 2 |
+
// File name :uart.v
|
| 3 |
+
// Module name :uart.v
|
| 4 |
+
// Created by :GaoYun Semi
|
| 5 |
+
// Author :(Winson)
|
| 6 |
+
// Created On :2020-11-05 14:26 GuangZhou
|
| 7 |
+
// Last Modified :
|
| 8 |
+
// Update Count :2020-11-05 14:26
|
| 9 |
+
// Description :
|
| 10 |
+
//----------------------------------------------------------------------
|
| 11 |
+
//===========================================
|
| 12 |
+
module UART2
|
| 13 |
+
#( parameter CLK_FREQ = 30'd60000000 // set system clock frequency in Hz
|
| 14 |
+
//parameter BAUD_RATE = 4000000 // baud rate value
|
| 15 |
+
// parameter P_PARITY_BIT = "none" // legal values: "none", "even", "odd", "mark", "space"
|
| 16 |
+
)
|
| 17 |
+
(
|
| 18 |
+
input CLK , // clock
|
| 19 |
+
input RST , // reset
|
| 20 |
+
// UART INTERFACE
|
| 21 |
+
output UART_TXD ,
|
| 22 |
+
input UART_RXD ,
|
| 23 |
+
output UART_RTS , // when UART_RTS = 0, UART This Device Ready to receive.
|
| 24 |
+
input UART_CTS , // when UART_CTS = 0, UART Opposite Device Ready to receive.
|
| 25 |
+
// UART Control Reg
|
| 26 |
+
input [31:0] BAUD_RATE ,
|
| 27 |
+
input [7:0] PARITY_BIT,
|
| 28 |
+
input [7:0] STOP_BIT ,
|
| 29 |
+
input [7:0] DATA_BITS ,
|
| 30 |
+
// USER DATA INPUT INTERFACE
|
| 31 |
+
input [15:0] TX_DATA , //
|
| 32 |
+
input TX_DATA_VAL, // when TX_DATA_VAL = 1, data on TX_DATA will be transmit, DATA_SEND can set to 1 only when BUSY = 0
|
| 33 |
+
output TX_BUSY , // when BUSY = 1 transiever is busy, you must not set DATA_SEND to 1
|
| 34 |
+
// USER FIFO CONTROL INTERFACE
|
| 35 |
+
output [15:0] RX_DATA , //
|
| 36 |
+
output RX_DATA_VAL //
|
| 37 |
+
);
|
| 38 |
+
|
| 39 |
+
|
| 40 |
+
reg [3:0] uart_rxd_shreg ;
|
| 41 |
+
reg uart_rxd_debounced ;
|
| 42 |
+
reg [3:0] uart_cts_shreg ;
|
| 43 |
+
reg uart_cts_debounced ;
|
| 44 |
+
wire uart_tx_busy ;
|
| 45 |
+
wire [31:0]div_out ;
|
| 46 |
+
wire div_cmpl;
|
| 47 |
+
wire [1:0] div_correct = 'd3;
|
| 48 |
+
|
| 49 |
+
wire [23:0] divider_value = 'd72;// = CLK_FREQ/(15*BAUD_RATE);
|
| 50 |
+
// -------------------------------------------------------------------------
|
| 51 |
+
// UART DIVIDER VALUE
|
| 52 |
+
// -------------------------------------------------------------------------
|
| 53 |
+
//always @(posedge CLK or posedge RST) begin
|
| 54 |
+
// if (RST) begin
|
| 55 |
+
// divider_value <= 24'd0;
|
| 56 |
+
// end
|
| 57 |
+
// else begin
|
| 58 |
+
// //divider_value <= CLK_FREQ/(15*BAUD_RATE);
|
| 59 |
+
// divider_value <= CLK_FREQ/(BAUD_RATE);
|
| 60 |
+
// end
|
| 61 |
+
//end
|
| 62 |
+
// -------------------------------------------------------------------------
|
| 63 |
+
// UART RXD DEBAUNCER
|
| 64 |
+
// -------------------------------------------------------------------------
|
| 65 |
+
always @(posedge CLK or posedge RST) begin
|
| 66 |
+
if (RST) begin
|
| 67 |
+
uart_rxd_shreg <= 4'hF;
|
| 68 |
+
uart_rxd_debounced <= 1'b1;
|
| 69 |
+
end
|
| 70 |
+
else begin
|
| 71 |
+
uart_rxd_shreg <= {UART_RXD, uart_rxd_shreg[3:1]};
|
| 72 |
+
uart_rxd_debounced <= uart_rxd_shreg[0]|uart_rxd_shreg[1]|uart_rxd_shreg[2]|uart_rxd_shreg[3];
|
| 73 |
+
end
|
| 74 |
+
end
|
| 75 |
+
|
| 76 |
+
always @(posedge CLK or posedge RST) begin
|
| 77 |
+
if (RST) begin
|
| 78 |
+
uart_cts_shreg <= 4'hF;
|
| 79 |
+
uart_cts_debounced <= 1'b1;
|
| 80 |
+
end
|
| 81 |
+
else begin
|
| 82 |
+
uart_cts_shreg <= {UART_CTS, uart_cts_shreg[3:1]};
|
| 83 |
+
uart_cts_debounced <= uart_cts_shreg[0]|uart_cts_shreg[1]|uart_cts_shreg[2]|uart_cts_shreg[3];
|
| 84 |
+
end
|
| 85 |
+
end
|
| 86 |
+
|
| 87 |
+
assign UART_RTS = 1'b0;
|
| 88 |
+
assign TX_BUSY = uart_tx_busy | UART_CTS;
|
| 89 |
+
|
| 90 |
+
// -------------------------------------------------------------------------
|
| 91 |
+
// UART TRANSMITTER
|
| 92 |
+
// -------------------------------------------------------------------------
|
| 93 |
+
UART_TX
|
| 94 |
+
//#( .P_PARITY_BIT (P_PARITY_BIT))
|
| 95 |
+
uart_tx_inst (
|
| 96 |
+
.CLK (CLK )
|
| 97 |
+
,.RST (RST )
|
| 98 |
+
// UART INTERFACE
|
| 99 |
+
//,.UART_CLK_EN (uart_clk_en )
|
| 100 |
+
,.UART_TXD (UART_TXD )
|
| 101 |
+
// UART PARAMETER
|
| 102 |
+
//,.UART_PARITY_BIT (UART_PARITY_BIT )
|
| 103 |
+
//,.UART_DATA_BIT (UART_DATA_BIT )
|
| 104 |
+
,.PARITY_BIT (PARITY_BIT)
|
| 105 |
+
,.STOP_BIT (STOP_BIT )//0: 1 stop bit 1: 1.5 stop bit 2: 2 stop bit
|
| 106 |
+
,.DATA_BITS (DATA_BITS )//5 6 7 8 16
|
| 107 |
+
,.DIVIDER_VALUE(divider_value )//16'd37
|
| 108 |
+
,.DIV_CORRECT(div_correct )//16'd37
|
| 109 |
+
|
| 110 |
+
// USER DATA INPUT INTERFACE
|
| 111 |
+
,.DATA_IN (TX_DATA )
|
| 112 |
+
,.DATA_SEND (TX_DATA_VAL )
|
| 113 |
+
,.BUSY (uart_tx_busy)
|
| 114 |
+
);
|
| 115 |
+
|
| 116 |
+
// -------------------------------------------------------------------------
|
| 117 |
+
// UART RECEIVER
|
| 118 |
+
// -------------------------------------------------------------------------
|
| 119 |
+
UART_RX
|
| 120 |
+
#( .P_PARITY_BIT ("odd"))
|
| 121 |
+
uart_rx_inst (
|
| 122 |
+
.CLK (CLK )
|
| 123 |
+
,.RST (RST )
|
| 124 |
+
// UART INTERFACE
|
| 125 |
+
//,.UART_CLK_EN (uart_clk_en )
|
| 126 |
+
,.UART_RXD (uart_rxd_debounced )
|
| 127 |
+
// UART PARAMETER
|
| 128 |
+
//,.UART_PARITY_BIT (UART_PARITY_BIT )
|
| 129 |
+
//,.UART_DATA_BIT (UART_DATA_BIT )
|
| 130 |
+
,.PARITY_BIT (PARITY_BIT )
|
| 131 |
+
,.STOP_BIT (STOP_BIT )//0: 1 stop bit 1: 1.5 stop bit 2: 2 stop bit
|
| 132 |
+
,.DATA_BITS (DATA_BITS )//5 6 7 8 16
|
| 133 |
+
,.DIVIDER_VALUE(divider_value)//
|
| 134 |
+
,.DIV_CORRECT(div_correct )//16'd37
|
| 135 |
+
// USER DATA INPUT INTERFACE
|
| 136 |
+
,.DATA_OUT (RX_DATA )
|
| 137 |
+
,.DATA_VLD (RX_DATA_VAL)
|
| 138 |
+
,.FRAME_ERROR ( )
|
| 139 |
+
);
|
| 140 |
+
|
| 141 |
+
|
| 142 |
+
endmodule
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/uart/uart_rx.vhd
ADDED
|
@@ -0,0 +1,497 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
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|
|
|
|
|
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|
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|
|
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|
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|
|
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|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
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|
|
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|
|
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|
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|
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|
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|
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|
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|
| 1 |
+
--------------------------------------------------------------------------------
|
| 2 |
+
-- PROJECT: SIMPLE UART FOR FPGA
|
| 3 |
+
--------------------------------------------------------------------------------
|
| 4 |
+
-- MODULE: UART RECEIVER
|
| 5 |
+
-- AUTHORS: Jakub Cabal <jakubcabal@gmail.com>
|
| 6 |
+
-- lICENSE: The MIT License (MIT)
|
| 7 |
+
-- WEBSITE: https://github.com/jakubcabal/uart_for_fpga
|
| 8 |
+
--------------------------------------------------------------------------------
|
| 9 |
+
|
| 10 |
+
library IEEE;
|
| 11 |
+
use IEEE.STD_LOGIC_1164.ALL;
|
| 12 |
+
use IEEE.NUMERIC_STD.ALL;
|
| 13 |
+
|
| 14 |
+
entity UART_RX is
|
| 15 |
+
Generic (
|
| 16 |
+
P_PARITY_BIT : string := "none" -- legal values: "none", "even", "odd", "mark", "space"
|
| 17 |
+
);
|
| 18 |
+
Port (
|
| 19 |
+
CLK : in std_logic; -- system clock
|
| 20 |
+
RST : in std_logic; -- high active synchronous reset
|
| 21 |
+
-- UART INTERFACE
|
| 22 |
+
--UART_CLK_EN : in std_logic; -- oversampling (15x) UART clock enable
|
| 23 |
+
UART_RXD : in std_logic;
|
| 24 |
+
-- UART PARAMETER
|
| 25 |
+
PARITY_BIT : in std_logic_vector(7 downto 0);
|
| 26 |
+
STOP_BIT : in std_logic_vector(7 downto 0);
|
| 27 |
+
DATA_BITS : in std_logic_vector(7 downto 0);
|
| 28 |
+
DIVIDER_VALUE : in std_logic_vector(23 downto 0);
|
| 29 |
+
DIV_CORRECT : in std_logic_vector(1 downto 0);
|
| 30 |
+
-- USER DATA OUTPUT INTERFACE
|
| 31 |
+
DATA_OUT : out std_logic_vector(15 downto 0);
|
| 32 |
+
DATA_VLD : out std_logic; -- when DATA_VLD = 1, data on DATA_OUT are valid
|
| 33 |
+
FRAME_ERROR : out std_logic -- when FRAME_ERROR = 1, stop bit was invalid, current and next data may be invalid
|
| 34 |
+
);
|
| 35 |
+
end UART_RX;
|
| 36 |
+
|
| 37 |
+
architecture FULL of UART_RX is
|
| 38 |
+
|
| 39 |
+
signal rx_clk_en : std_logic;
|
| 40 |
+
signal rx_hf_clk_en : std_logic;
|
| 41 |
+
signal rx_ticks : unsigned(23 downto 0);
|
| 42 |
+
signal rx_clk_divider_en : std_logic;
|
| 43 |
+
signal rx_data : std_logic_vector(15 downto 0);
|
| 44 |
+
signal parity_bit_reg : std_logic_vector(7 downto 0);
|
| 45 |
+
signal stop_bit_reg : std_logic_vector(7 downto 0);
|
| 46 |
+
signal data_bits_reg : std_logic_vector(7 downto 0);
|
| 47 |
+
signal divider_value_reg : std_logic_vector(23 downto 0);
|
| 48 |
+
signal div_correct_reg : std_logic_vector(1 downto 0);
|
| 49 |
+
signal rx_bit_count : unsigned(3 downto 0);
|
| 50 |
+
signal rx_bit_count_en : std_logic;
|
| 51 |
+
signal rx_data_shreg_en : std_logic;
|
| 52 |
+
signal rx_parity_bit : std_logic;
|
| 53 |
+
signal rx_parity_error : std_logic;
|
| 54 |
+
signal parity_temp : std_logic;
|
| 55 |
+
signal rx_parity_check_en : std_logic;
|
| 56 |
+
signal rx_output_reg_en : std_logic;
|
| 57 |
+
signal rx_busy : std_logic;
|
| 58 |
+
signal uart_ticks : unsigned(15 downto 0);
|
| 59 |
+
signal uart_clk_en : std_logic;
|
| 60 |
+
|
| 61 |
+
type state is (idle, startbit, databits, paritybit, stopbit, stopbit15, stopbit2);
|
| 62 |
+
signal rx_pstate : state;
|
| 63 |
+
signal rx_nstate : state;
|
| 64 |
+
|
| 65 |
+
begin
|
| 66 |
+
|
| 67 |
+
-- -------------------------------------------------------------------------
|
| 68 |
+
-- UART RECEIVER CLOCK DIVIDER
|
| 69 |
+
-- -------------------------------------------------------------------------
|
| 70 |
+
|
| 71 |
+
uart_rx_sample_clk : process (CLK)
|
| 72 |
+
begin
|
| 73 |
+
if (rising_edge(CLK)) then
|
| 74 |
+
if (RST = '1') then
|
| 75 |
+
uart_ticks <= (others => '0');
|
| 76 |
+
uart_clk_en <= '0';
|
| 77 |
+
else
|
| 78 |
+
if (uart_ticks = (unsigned(divider_value_reg) - 1)) then
|
| 79 |
+
uart_ticks <= (others => '0');
|
| 80 |
+
uart_clk_en <= '1';
|
| 81 |
+
else
|
| 82 |
+
uart_ticks <= uart_ticks + 1;
|
| 83 |
+
uart_clk_en <= '0';
|
| 84 |
+
end if;
|
| 85 |
+
end if;
|
| 86 |
+
end if;
|
| 87 |
+
end process;
|
| 88 |
+
|
| 89 |
+
uart_rx_clk_divider : process (CLK)
|
| 90 |
+
begin
|
| 91 |
+
if (rising_edge(CLK)) then
|
| 92 |
+
if (rx_clk_divider_en = '1') then
|
| 93 |
+
--if (uart_clk_en = '1') then
|
| 94 |
+
--if (rx_ticks = "1110") then
|
| 95 |
+
if ((rx_bit_count(1 downto 0) = "01") AND (div_correct_reg(1 downto 1) = "1")) then
|
| 96 |
+
if (rx_ticks = (unsigned(divider_value_reg))) then
|
| 97 |
+
rx_ticks <= (others => '0');
|
| 98 |
+
rx_clk_en <= '0';
|
| 99 |
+
rx_hf_clk_en <= '1';
|
| 100 |
+
--elsif (rx_ticks = "0111") then
|
| 101 |
+
elsif (rx_ticks = (unsigned(divider_value_reg) srl 1)) then
|
| 102 |
+
rx_ticks <= rx_ticks + 1;
|
| 103 |
+
rx_clk_en <= '1';
|
| 104 |
+
rx_hf_clk_en <= '1';
|
| 105 |
+
else
|
| 106 |
+
rx_ticks <= rx_ticks + 1;
|
| 107 |
+
rx_clk_en <= '0';
|
| 108 |
+
rx_hf_clk_en <= '0';
|
| 109 |
+
end if;
|
| 110 |
+
elsif ((rx_bit_count(1 downto 0) = "10") AND (div_correct_reg(1 downto 0) = "11")) then
|
| 111 |
+
if (rx_ticks = (unsigned(divider_value_reg))) then
|
| 112 |
+
rx_ticks <= (others => '0');
|
| 113 |
+
rx_clk_en <= '0';
|
| 114 |
+
rx_hf_clk_en <= '1';
|
| 115 |
+
--elsif (rx_ticks = "0111") then
|
| 116 |
+
elsif (rx_ticks = (unsigned(divider_value_reg) srl 1)) then
|
| 117 |
+
rx_ticks <= rx_ticks + 1;
|
| 118 |
+
rx_clk_en <= '1';
|
| 119 |
+
rx_hf_clk_en <= '1';
|
| 120 |
+
else
|
| 121 |
+
rx_ticks <= rx_ticks + 1;
|
| 122 |
+
rx_clk_en <= '0';
|
| 123 |
+
rx_hf_clk_en <= '0';
|
| 124 |
+
end if;
|
| 125 |
+
elsif ((rx_bit_count(1 downto 0) = "11") AND (div_correct_reg(1 downto 0) /= "00")) then
|
| 126 |
+
if (rx_ticks = (unsigned(divider_value_reg))) then
|
| 127 |
+
rx_ticks <= (others => '0');
|
| 128 |
+
rx_clk_en <= '0';
|
| 129 |
+
rx_hf_clk_en <= '1';
|
| 130 |
+
--elsif (rx_ticks = "0111") then
|
| 131 |
+
elsif (rx_ticks = (unsigned(divider_value_reg) srl 1)) then
|
| 132 |
+
rx_ticks <= rx_ticks + 1;
|
| 133 |
+
rx_clk_en <= '1';
|
| 134 |
+
rx_hf_clk_en <= '1';
|
| 135 |
+
else
|
| 136 |
+
rx_ticks <= rx_ticks + 1;
|
| 137 |
+
rx_clk_en <= '0';
|
| 138 |
+
rx_hf_clk_en <= '0';
|
| 139 |
+
end if;
|
| 140 |
+
else
|
| 141 |
+
if (rx_ticks = (unsigned(divider_value_reg) - 1)) then
|
| 142 |
+
rx_ticks <= (others => '0');
|
| 143 |
+
rx_clk_en <= '0';
|
| 144 |
+
rx_hf_clk_en <= '1';
|
| 145 |
+
--elsif (rx_ticks = "0111") then
|
| 146 |
+
elsif (rx_ticks = (unsigned(divider_value_reg) srl 1)) then
|
| 147 |
+
rx_ticks <= rx_ticks + 1;
|
| 148 |
+
rx_clk_en <= '1';
|
| 149 |
+
rx_hf_clk_en <= '1';
|
| 150 |
+
else
|
| 151 |
+
rx_ticks <= rx_ticks + 1;
|
| 152 |
+
rx_clk_en <= '0';
|
| 153 |
+
rx_hf_clk_en <= '0';
|
| 154 |
+
end if;
|
| 155 |
+
end if;
|
| 156 |
+
--else
|
| 157 |
+
-- rx_ticks <= rx_ticks;
|
| 158 |
+
-- rx_clk_en <= '0';
|
| 159 |
+
-- rx_hf_clk_en <= '0';
|
| 160 |
+
--end if;
|
| 161 |
+
else
|
| 162 |
+
rx_ticks <= (others => '0');
|
| 163 |
+
rx_clk_en <= '0';
|
| 164 |
+
rx_hf_clk_en <= '0';
|
| 165 |
+
end if;
|
| 166 |
+
end if;
|
| 167 |
+
end process;
|
| 168 |
+
|
| 169 |
+
-- -------------------------------------------------------------------------
|
| 170 |
+
-- UART RECEIVER BIT COUNTER
|
| 171 |
+
-- -------------------------------------------------------------------------
|
| 172 |
+
|
| 173 |
+
uart_rx_bit_counter : process (CLK)
|
| 174 |
+
begin
|
| 175 |
+
if (rising_edge(CLK)) then
|
| 176 |
+
if (RST = '1') then
|
| 177 |
+
rx_bit_count <= (others => '0');
|
| 178 |
+
elsif (rx_bit_count_en = '1' AND rx_clk_en = '1') then
|
| 179 |
+
if (rx_bit_count = "1111") then
|
| 180 |
+
rx_bit_count <= (others => '0');
|
| 181 |
+
else
|
| 182 |
+
rx_bit_count <= rx_bit_count + 1;
|
| 183 |
+
end if;
|
| 184 |
+
elsif (rx_bit_count_en = '0') then
|
| 185 |
+
rx_bit_count <= (others => '0');
|
| 186 |
+
end if;
|
| 187 |
+
end if;
|
| 188 |
+
end process;
|
| 189 |
+
|
| 190 |
+
-- -------------------------------------------------------------------------
|
| 191 |
+
-- UART RECEIVER DATA SHIFT REGISTER
|
| 192 |
+
-- -------------------------------------------------------------------------
|
| 193 |
+
|
| 194 |
+
uart_rx_data_shift_reg : process (CLK)
|
| 195 |
+
begin
|
| 196 |
+
if (rising_edge(CLK)) then
|
| 197 |
+
if (RST = '1') then
|
| 198 |
+
rx_data <= (others => '0');
|
| 199 |
+
elsif (rx_clk_en = '1' AND rx_data_shreg_en = '1') then
|
| 200 |
+
if (data_bits_reg = "00000101") then
|
| 201 |
+
rx_data <= "00000000000" & UART_RXD & rx_data(4 downto 1);
|
| 202 |
+
elsif (data_bits_reg = "00000110") then
|
| 203 |
+
rx_data <= "0000000000" & UART_RXD & rx_data(5 downto 1);
|
| 204 |
+
elsif (data_bits_reg = "00000111") then
|
| 205 |
+
rx_data <= "000000000" & UART_RXD & rx_data(6 downto 1);
|
| 206 |
+
elsif (data_bits_reg = "00001000") then
|
| 207 |
+
rx_data <= "00000000" & UART_RXD & rx_data(7 downto 1);
|
| 208 |
+
else
|
| 209 |
+
rx_data <= UART_RXD & rx_data(15 downto 1);
|
| 210 |
+
end if;
|
| 211 |
+
end if;
|
| 212 |
+
end if;
|
| 213 |
+
end process;
|
| 214 |
+
|
| 215 |
+
DATA_OUT <= rx_data;
|
| 216 |
+
|
| 217 |
+
uart_rx_ctrl_reg : process (CLK)
|
| 218 |
+
begin
|
| 219 |
+
if (rising_edge(CLK)) then
|
| 220 |
+
if (RST = '1') then
|
| 221 |
+
parity_bit_reg <= (others => '0');
|
| 222 |
+
stop_bit_reg <= (others => '0');
|
| 223 |
+
data_bits_reg <= (others => '0');
|
| 224 |
+
divider_value_reg <= (others => '0');
|
| 225 |
+
div_correct_reg <= "00";
|
| 226 |
+
elsif (rx_busy = '0') then
|
| 227 |
+
parity_bit_reg <= PARITY_BIT;
|
| 228 |
+
stop_bit_reg <= STOP_BIT;
|
| 229 |
+
data_bits_reg <= DATA_BITS;
|
| 230 |
+
divider_value_reg <= DIVIDER_VALUE;
|
| 231 |
+
div_correct_reg <= DIV_CORRECT;
|
| 232 |
+
--divider_value_reg <= "00100000";
|
| 233 |
+
end if;
|
| 234 |
+
end if;
|
| 235 |
+
end process;
|
| 236 |
+
-- -------------------------------------------------------------------------
|
| 237 |
+
-- UART RECEIVER PARITY GENERATOR AND CHECK
|
| 238 |
+
-- -------------------------------------------------------------------------
|
| 239 |
+
|
| 240 |
+
--uart_rx_parity_g : if (P_PARITY_BIT /= "none") generate
|
| 241 |
+
-- uart_rx_parity_gen_i: entity work.UART_PARITY
|
| 242 |
+
-- generic map (
|
| 243 |
+
-- DATA_WIDTH => 8,
|
| 244 |
+
-- PARITY_TYPE => P_PARITY_BIT
|
| 245 |
+
-- )
|
| 246 |
+
-- port map (
|
| 247 |
+
-- DATA_IN => rx_data,
|
| 248 |
+
-- PARITY_OUT => rx_parity_bit
|
| 249 |
+
-- );
|
| 250 |
+
--end generate;
|
| 251 |
+
|
| 252 |
+
parity_gen : process (CLK)
|
| 253 |
+
begin
|
| 254 |
+
if (rising_edge(CLK)) then
|
| 255 |
+
if (RST = '1') then
|
| 256 |
+
parity_temp <= '0';
|
| 257 |
+
elsif (parity_bit_reg = "00000000") then --none
|
| 258 |
+
parity_temp <= '0';
|
| 259 |
+
elsif (parity_bit_reg = "00000001") then --odd
|
| 260 |
+
if (rx_pstate = startbit) then
|
| 261 |
+
parity_temp <= '1';
|
| 262 |
+
elsif (rx_bit_count_en = '1' AND rx_clk_en = '1') then
|
| 263 |
+
parity_temp <= parity_temp XOR UART_RXD;
|
| 264 |
+
end if;
|
| 265 |
+
elsif (parity_bit_reg = "00000010") then --even
|
| 266 |
+
if (rx_pstate = startbit) then
|
| 267 |
+
parity_temp <= '0';
|
| 268 |
+
elsif (rx_bit_count_en = '1' AND rx_clk_en = '1') then
|
| 269 |
+
parity_temp <= parity_temp XOR UART_RXD;
|
| 270 |
+
end if;
|
| 271 |
+
elsif (parity_bit_reg = "00000011") then --mark
|
| 272 |
+
parity_temp <= '1';
|
| 273 |
+
elsif (parity_bit_reg = "00000100") then --space
|
| 274 |
+
parity_temp <= '0';
|
| 275 |
+
end if;
|
| 276 |
+
end if;
|
| 277 |
+
end process;
|
| 278 |
+
|
| 279 |
+
uart_rx_parity_check_reg : process (CLK)
|
| 280 |
+
begin
|
| 281 |
+
if (rising_edge(CLK)) then
|
| 282 |
+
if (RST = '1') then
|
| 283 |
+
rx_parity_error <= '0';
|
| 284 |
+
elsif (rx_parity_check_en = '1') then
|
| 285 |
+
--rx_parity_error <= rx_parity_bit XOR UART_RXD;
|
| 286 |
+
if (parity_bit_reg = "00000000") then
|
| 287 |
+
rx_parity_error <= '0';
|
| 288 |
+
else
|
| 289 |
+
rx_parity_error <= parity_temp XOR UART_RXD;
|
| 290 |
+
end if;
|
| 291 |
+
end if;
|
| 292 |
+
end if;
|
| 293 |
+
end process;
|
| 294 |
+
|
| 295 |
+
--uart_rx_noparity_g : if (PARITY_BIT = "none") generate
|
| 296 |
+
-- rx_parity_error <= '0';
|
| 297 |
+
--end generate;
|
| 298 |
+
|
| 299 |
+
-- -------------------------------------------------------------------------
|
| 300 |
+
-- UART RECEIVER OUTPUT REGISTER
|
| 301 |
+
-- -------------------------------------------------------------------------
|
| 302 |
+
|
| 303 |
+
uart_rx_output_reg : process (CLK)
|
| 304 |
+
begin
|
| 305 |
+
if (rising_edge(CLK)) then
|
| 306 |
+
if (RST = '1') then
|
| 307 |
+
DATA_VLD <= '0';
|
| 308 |
+
FRAME_ERROR <= '0';
|
| 309 |
+
else
|
| 310 |
+
if (rx_output_reg_en = '1') then
|
| 311 |
+
DATA_VLD <= NOT rx_parity_error AND UART_RXD;
|
| 312 |
+
FRAME_ERROR <= NOT UART_RXD;
|
| 313 |
+
else
|
| 314 |
+
DATA_VLD <= '0';
|
| 315 |
+
FRAME_ERROR <= '0';
|
| 316 |
+
end if;
|
| 317 |
+
end if;
|
| 318 |
+
end if;
|
| 319 |
+
end process;
|
| 320 |
+
|
| 321 |
+
-- -------------------------------------------------------------------------
|
| 322 |
+
-- UART RECEIVER FSM
|
| 323 |
+
-- -------------------------------------------------------------------------
|
| 324 |
+
|
| 325 |
+
-- PRESENT STATE REGISTER
|
| 326 |
+
process (CLK)
|
| 327 |
+
begin
|
| 328 |
+
if (rising_edge(CLK)) then
|
| 329 |
+
if (RST = '1') then
|
| 330 |
+
rx_pstate <= idle;
|
| 331 |
+
else
|
| 332 |
+
rx_pstate <= rx_nstate;
|
| 333 |
+
end if;
|
| 334 |
+
end if;
|
| 335 |
+
end process;
|
| 336 |
+
|
| 337 |
+
-- NEXT STATE AND OUTPUTS LOGIC
|
| 338 |
+
process (rx_pstate, UART_RXD, rx_hf_clk_en, rx_clk_en, rx_bit_count, data_bits_reg, parity_bit_reg, stop_bit_reg)
|
| 339 |
+
begin
|
| 340 |
+
case rx_pstate is
|
| 341 |
+
|
| 342 |
+
when idle =>
|
| 343 |
+
rx_output_reg_en <= '0';
|
| 344 |
+
rx_bit_count_en <= '0';
|
| 345 |
+
rx_data_shreg_en <= '0';
|
| 346 |
+
rx_clk_divider_en <= '0';
|
| 347 |
+
rx_parity_check_en <= '0';
|
| 348 |
+
rx_busy <= '0';
|
| 349 |
+
if (UART_RXD = '0') then
|
| 350 |
+
rx_nstate <= startbit;
|
| 351 |
+
else
|
| 352 |
+
rx_nstate <= idle;
|
| 353 |
+
end if;
|
| 354 |
+
|
| 355 |
+
when startbit =>
|
| 356 |
+
rx_output_reg_en <= '0';
|
| 357 |
+
rx_bit_count_en <= '0';
|
| 358 |
+
rx_data_shreg_en <= '0';
|
| 359 |
+
rx_clk_divider_en <= '1';
|
| 360 |
+
rx_parity_check_en <= '0';
|
| 361 |
+
rx_busy <= '1';
|
| 362 |
+
|
| 363 |
+
if (rx_clk_en = '1') then
|
| 364 |
+
rx_nstate <= databits;
|
| 365 |
+
else
|
| 366 |
+
rx_nstate <= startbit;
|
| 367 |
+
end if;
|
| 368 |
+
|
| 369 |
+
when databits =>
|
| 370 |
+
rx_output_reg_en <= '0';
|
| 371 |
+
rx_bit_count_en <= '1';
|
| 372 |
+
rx_data_shreg_en <= '1';
|
| 373 |
+
rx_clk_divider_en <= '1';
|
| 374 |
+
rx_parity_check_en <= '0';
|
| 375 |
+
rx_busy <= '1';
|
| 376 |
+
|
| 377 |
+
--if ((rx_clk_en = '1') AND (rx_bit_count = "111")) then
|
| 378 |
+
if (rx_clk_en = '1') then
|
| 379 |
+
if ((data_bits_reg = "00000101") AND (rx_bit_count = "0100")) then --data bit 5
|
| 380 |
+
if (parity_bit_reg = "00000000") then
|
| 381 |
+
rx_nstate <= stopbit;
|
| 382 |
+
else
|
| 383 |
+
rx_nstate <= paritybit;
|
| 384 |
+
end if ;
|
| 385 |
+
elsif ((data_bits_reg = "00000110") AND (rx_bit_count = "0101")) then --data bit 6
|
| 386 |
+
if (parity_bit_reg = "00000000") then
|
| 387 |
+
rx_nstate <= stopbit;
|
| 388 |
+
else
|
| 389 |
+
rx_nstate <= paritybit;
|
| 390 |
+
end if ;
|
| 391 |
+
elsif ((data_bits_reg = "00000111") AND (rx_bit_count = "0110")) then --data bit 7
|
| 392 |
+
if (parity_bit_reg = "00000000") then
|
| 393 |
+
rx_nstate <= stopbit;
|
| 394 |
+
else
|
| 395 |
+
rx_nstate <= paritybit;
|
| 396 |
+
end if ;
|
| 397 |
+
elsif ((data_bits_reg = "00001000") AND (rx_bit_count = "0111")) then --data bit 8
|
| 398 |
+
if (parity_bit_reg = "00000000") then
|
| 399 |
+
rx_nstate <= stopbit;
|
| 400 |
+
else
|
| 401 |
+
rx_nstate <= paritybit;
|
| 402 |
+
end if ;
|
| 403 |
+
elsif ((data_bits_reg = "00010000") AND (rx_bit_count = "1111")) then --data bit 16
|
| 404 |
+
if (parity_bit_reg = "00000000") then
|
| 405 |
+
rx_nstate <= stopbit;
|
| 406 |
+
else
|
| 407 |
+
rx_nstate <= paritybit;
|
| 408 |
+
end if ;
|
| 409 |
+
else
|
| 410 |
+
rx_nstate <= databits;
|
| 411 |
+
end if;
|
| 412 |
+
else
|
| 413 |
+
rx_nstate <= databits;
|
| 414 |
+
end if;
|
| 415 |
+
|
| 416 |
+
when paritybit =>
|
| 417 |
+
rx_output_reg_en <= '0';
|
| 418 |
+
rx_bit_count_en <= '0';
|
| 419 |
+
rx_data_shreg_en <= '0';
|
| 420 |
+
rx_clk_divider_en <= '1';
|
| 421 |
+
rx_parity_check_en <= '1';
|
| 422 |
+
rx_busy <= '1';
|
| 423 |
+
|
| 424 |
+
if (rx_clk_en = '1') then
|
| 425 |
+
rx_nstate <= stopbit;
|
| 426 |
+
else
|
| 427 |
+
rx_nstate <= paritybit;
|
| 428 |
+
end if;
|
| 429 |
+
|
| 430 |
+
when stopbit =>
|
| 431 |
+
rx_bit_count_en <= '0';
|
| 432 |
+
rx_data_shreg_en <= '0';
|
| 433 |
+
rx_clk_divider_en <= '1';
|
| 434 |
+
rx_parity_check_en <= '0';
|
| 435 |
+
rx_busy <= '1';
|
| 436 |
+
|
| 437 |
+
if (rx_clk_en = '1') then
|
| 438 |
+
if (stop_bit_reg = "00000000") then --Stop bit 1
|
| 439 |
+
rx_nstate <= idle;
|
| 440 |
+
rx_output_reg_en <= '1';
|
| 441 |
+
elsif (stop_bit_reg = "00000001") then --Stop bit 1.5
|
| 442 |
+
rx_nstate <= stopbit15;
|
| 443 |
+
rx_output_reg_en <= '0';
|
| 444 |
+
elsif (stop_bit_reg = "00000010") then --Stop bit 2
|
| 445 |
+
rx_nstate <= stopbit2;
|
| 446 |
+
rx_output_reg_en <= '0';
|
| 447 |
+
else
|
| 448 |
+
rx_nstate <= idle;
|
| 449 |
+
rx_output_reg_en <= '1';
|
| 450 |
+
end if;
|
| 451 |
+
else
|
| 452 |
+
rx_nstate <= stopbit;
|
| 453 |
+
rx_output_reg_en <= '0';
|
| 454 |
+
end if;
|
| 455 |
+
|
| 456 |
+
when stopbit15 =>
|
| 457 |
+
rx_bit_count_en <= '0';
|
| 458 |
+
rx_data_shreg_en <= '0';
|
| 459 |
+
rx_clk_divider_en <= '1';
|
| 460 |
+
rx_parity_check_en <= '0';
|
| 461 |
+
rx_busy <= '1';
|
| 462 |
+
|
| 463 |
+
if (rx_hf_clk_en = '1') then
|
| 464 |
+
rx_nstate <= idle;
|
| 465 |
+
rx_output_reg_en <= '1';
|
| 466 |
+
else
|
| 467 |
+
rx_nstate <= stopbit15;
|
| 468 |
+
rx_output_reg_en <= '0';
|
| 469 |
+
end if;
|
| 470 |
+
|
| 471 |
+
when stopbit2 =>
|
| 472 |
+
rx_bit_count_en <= '0';
|
| 473 |
+
rx_data_shreg_en <= '0';
|
| 474 |
+
rx_clk_divider_en <= '1';
|
| 475 |
+
rx_parity_check_en <= '0';
|
| 476 |
+
rx_busy <= '1';
|
| 477 |
+
|
| 478 |
+
if (rx_clk_en = '1') then
|
| 479 |
+
rx_nstate <= idle;
|
| 480 |
+
rx_output_reg_en <= '1';
|
| 481 |
+
else
|
| 482 |
+
rx_nstate <= stopbit2;
|
| 483 |
+
rx_output_reg_en <= '0';
|
| 484 |
+
end if;
|
| 485 |
+
|
| 486 |
+
when others =>
|
| 487 |
+
rx_output_reg_en <= '0';
|
| 488 |
+
rx_bit_count_en <= '0';
|
| 489 |
+
rx_data_shreg_en <= '0';
|
| 490 |
+
rx_clk_divider_en <= '0';
|
| 491 |
+
rx_parity_check_en <= '0';
|
| 492 |
+
rx_nstate <= idle;
|
| 493 |
+
|
| 494 |
+
end case;
|
| 495 |
+
end process;
|
| 496 |
+
|
| 497 |
+
end FULL;
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/uart/uart_tx.vhd
ADDED
|
@@ -0,0 +1,518 @@
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|
| 1 |
+
--------------------------------------------------------------------------------
|
| 2 |
+
-- PROJECT: SIMPLE UART FOR FPGA
|
| 3 |
+
--------------------------------------------------------------------------------
|
| 4 |
+
-- MODULE: UART TRANSMITTER
|
| 5 |
+
-- AUTHORS: Jakub Cabal <jakubcabal@gmail.com>
|
| 6 |
+
-- lICENSE: The MIT License (MIT)
|
| 7 |
+
-- WEBSITE: https://github.com/jakubcabal/uart_for_fpga
|
| 8 |
+
--------------------------------------------------------------------------------
|
| 9 |
+
|
| 10 |
+
library IEEE;
|
| 11 |
+
use IEEE.STD_LOGIC_1164.ALL;
|
| 12 |
+
use IEEE.NUMERIC_STD.ALL;
|
| 13 |
+
|
| 14 |
+
entity UART_TX is
|
| 15 |
+
--Generic (
|
| 16 |
+
--PARITY_BIT : string := "none" -- legal values: "none", "even", "odd", "mark", "space"
|
| 17 |
+
--);
|
| 18 |
+
Port (
|
| 19 |
+
CLK : in std_logic; -- system clock
|
| 20 |
+
RST : in std_logic; -- high active synchronous reset
|
| 21 |
+
-- UART INTERFACE
|
| 22 |
+
--UART_CLK_EN : in std_logic; -- oversampling (15x) UART clock enable
|
| 23 |
+
UART_TXD : out std_logic;
|
| 24 |
+
-- UART PARAMETER
|
| 25 |
+
PARITY_BIT : in std_logic_vector(7 downto 0);
|
| 26 |
+
STOP_BIT : in std_logic_vector(7 downto 0);
|
| 27 |
+
DATA_BITS : in std_logic_vector(7 downto 0);
|
| 28 |
+
DIVIDER_VALUE : in std_logic_vector(23 downto 0);
|
| 29 |
+
DIV_CORRECT : in std_logic_vector(1 downto 0);
|
| 30 |
+
-- USER DATA INPUT INTERFACE
|
| 31 |
+
DATA_IN : in std_logic_vector(15 downto 0);
|
| 32 |
+
DATA_SEND : in std_logic; -- when DATA_SEND = 1, data on DATA_IN will be transmit, DATA_SEND can set to 1 only when BUSY = 0
|
| 33 |
+
BUSY : out std_logic -- when BUSY = 1 transiever is busy, you must not set DATA_SEND to 1
|
| 34 |
+
);
|
| 35 |
+
end UART_TX;
|
| 36 |
+
|
| 37 |
+
architecture FULL of UART_TX is
|
| 38 |
+
|
| 39 |
+
signal tx_clk_en : std_logic;
|
| 40 |
+
signal tx_hf_clk_en : std_logic;
|
| 41 |
+
signal tx_clk_divider_en : std_logic;
|
| 42 |
+
signal tx_ticks : unsigned(23 downto 0);
|
| 43 |
+
signal tx_data : std_logic_vector(15 downto 0);
|
| 44 |
+
signal parity_bit_reg : std_logic_vector(7 downto 0);
|
| 45 |
+
signal stop_bit_reg : std_logic_vector(7 downto 0);
|
| 46 |
+
signal data_bits_reg : std_logic_vector(7 downto 0);
|
| 47 |
+
signal divider_value_reg : std_logic_vector(23 downto 0);
|
| 48 |
+
signal div_correct_reg : std_logic_vector(1 downto 0);
|
| 49 |
+
signal tx_bit_count : unsigned(3 downto 0);
|
| 50 |
+
signal tx_bit_count_en : std_logic;
|
| 51 |
+
signal tx_busy : std_logic;
|
| 52 |
+
signal tx_parity_bit : std_logic;
|
| 53 |
+
signal parity_temp : std_logic;
|
| 54 |
+
signal tx_data_out_sel : std_logic_vector(1 downto 0);
|
| 55 |
+
signal uart_ticks : unsigned(15 downto 0);
|
| 56 |
+
signal uart_clk_en : std_logic;
|
| 57 |
+
|
| 58 |
+
type state is (idle, txsync, startbit, databits, paritybit, stopbit, stopbit15, stopbit2);
|
| 59 |
+
signal tx_pstate : state;
|
| 60 |
+
signal tx_nstate : state;
|
| 61 |
+
|
| 62 |
+
begin
|
| 63 |
+
|
| 64 |
+
BUSY <= tx_busy OR DATA_SEND;
|
| 65 |
+
|
| 66 |
+
-- -------------------------------------------------------------------------
|
| 67 |
+
-- UART TRANSMITTER CLOCK DIVIDER
|
| 68 |
+
-- -------------------------------------------------------------------------
|
| 69 |
+
|
| 70 |
+
uart_tx_sample_clk : process (CLK)
|
| 71 |
+
begin
|
| 72 |
+
if (rising_edge(CLK)) then
|
| 73 |
+
if (RST = '1') then
|
| 74 |
+
uart_ticks <= (others => '0');
|
| 75 |
+
uart_clk_en <= '0';
|
| 76 |
+
else
|
| 77 |
+
if (uart_ticks = (unsigned(divider_value_reg) - 1)) then
|
| 78 |
+
uart_ticks <= (others => '0');
|
| 79 |
+
uart_clk_en <= '1';
|
| 80 |
+
else
|
| 81 |
+
uart_ticks <= uart_ticks + 1;
|
| 82 |
+
uart_clk_en <= '0';
|
| 83 |
+
end if;
|
| 84 |
+
end if;
|
| 85 |
+
end if;
|
| 86 |
+
end process;
|
| 87 |
+
|
| 88 |
+
uart_tx_clk_divider : process (CLK)
|
| 89 |
+
begin
|
| 90 |
+
if (rising_edge(CLK)) then
|
| 91 |
+
if (tx_clk_divider_en = '1') then
|
| 92 |
+
--if (uart_clk_en = '1') thediv
|
| 93 |
+
--if (tx_ticks = "1110") then
|
| 94 |
+
if ((tx_bit_count(1 downto 0) = "01") AND (div_correct_reg(1 downto 1) = "1")) then
|
| 95 |
+
if (tx_ticks = (unsigned(divider_value_reg))) then
|
| 96 |
+
tx_ticks <= (others => '0');
|
| 97 |
+
tx_clk_en <= '0';
|
| 98 |
+
tx_hf_clk_en <= '0';
|
| 99 |
+
--elsif (tx_ticks = "0001") then
|
| 100 |
+
elsif (tx_ticks = "000000000000000000000001") then
|
| 101 |
+
tx_ticks <= tx_ticks + 1;
|
| 102 |
+
tx_clk_en <= '1';
|
| 103 |
+
tx_hf_clk_en <= '1';
|
| 104 |
+
--elsif (tx_ticks = "1001") then
|
| 105 |
+
elsif (tx_ticks = (unsigned(divider_value_reg) srl 1) + 1) then
|
| 106 |
+
tx_ticks <= tx_ticks + 1;
|
| 107 |
+
tx_clk_en <= '0';
|
| 108 |
+
tx_hf_clk_en <= '1';
|
| 109 |
+
else
|
| 110 |
+
tx_ticks <= tx_ticks + 1;
|
| 111 |
+
tx_clk_en <= '0';
|
| 112 |
+
tx_hf_clk_en <= '0';
|
| 113 |
+
end if;
|
| 114 |
+
elsif ((tx_bit_count(1 downto 0) = "10") AND (div_correct_reg(1 downto 0) = "11")) then
|
| 115 |
+
if (tx_ticks = (unsigned(divider_value_reg))) then
|
| 116 |
+
tx_ticks <= (others => '0');
|
| 117 |
+
tx_clk_en <= '0';
|
| 118 |
+
tx_hf_clk_en <= '0';
|
| 119 |
+
--elsif (tx_ticks = "0001") then
|
| 120 |
+
elsif (tx_ticks = "000000000000000000000001") then
|
| 121 |
+
tx_ticks <= tx_ticks + 1;
|
| 122 |
+
tx_clk_en <= '1';
|
| 123 |
+
tx_hf_clk_en <= '1';
|
| 124 |
+
--elsif (tx_ticks = "1001") then
|
| 125 |
+
elsif (tx_ticks = (unsigned(divider_value_reg) srl 1) + 1) then
|
| 126 |
+
tx_ticks <= tx_ticks + 1;
|
| 127 |
+
tx_clk_en <= '0';
|
| 128 |
+
tx_hf_clk_en <= '1';
|
| 129 |
+
else
|
| 130 |
+
tx_ticks <= tx_ticks + 1;
|
| 131 |
+
tx_clk_en <= '0';
|
| 132 |
+
tx_hf_clk_en <= '0';
|
| 133 |
+
end if;
|
| 134 |
+
elsif ((tx_bit_count(1 downto 0) = "11") AND (div_correct_reg(1 downto 0) /= "00")) then
|
| 135 |
+
if (tx_ticks = (unsigned(divider_value_reg))) then
|
| 136 |
+
tx_ticks <= (others => '0');
|
| 137 |
+
tx_clk_en <= '0';
|
| 138 |
+
tx_hf_clk_en <= '0';
|
| 139 |
+
--elsif (tx_ticks = "0001") then
|
| 140 |
+
elsif (tx_ticks = "000000000000000000000001") then
|
| 141 |
+
tx_ticks <= tx_ticks + 1;
|
| 142 |
+
tx_clk_en <= '1';
|
| 143 |
+
tx_hf_clk_en <= '1';
|
| 144 |
+
--elsif (tx_ticks = "1001") then
|
| 145 |
+
elsif (tx_ticks = (unsigned(divider_value_reg) srl 1) + 1) then
|
| 146 |
+
tx_ticks <= tx_ticks + 1;
|
| 147 |
+
tx_clk_en <= '0';
|
| 148 |
+
tx_hf_clk_en <= '1';
|
| 149 |
+
else
|
| 150 |
+
tx_ticks <= tx_ticks + 1;
|
| 151 |
+
tx_clk_en <= '0';
|
| 152 |
+
tx_hf_clk_en <= '0';
|
| 153 |
+
end if;
|
| 154 |
+
else
|
| 155 |
+
if (tx_ticks = (unsigned(divider_value_reg) - 1)) then
|
| 156 |
+
tx_ticks <= (others => '0');
|
| 157 |
+
tx_clk_en <= '0';
|
| 158 |
+
tx_hf_clk_en <= '0';
|
| 159 |
+
--elsif (tx_ticks = "0001") then
|
| 160 |
+
elsif (tx_ticks = "000000000000000000000001") then
|
| 161 |
+
tx_ticks <= tx_ticks + 1;
|
| 162 |
+
tx_clk_en <= '1';
|
| 163 |
+
tx_hf_clk_en <= '1';
|
| 164 |
+
--elsif (tx_ticks = "1001") then
|
| 165 |
+
elsif (tx_ticks = (unsigned(divider_value_reg) srl 1) + 1) then
|
| 166 |
+
tx_ticks <= tx_ticks + 1;
|
| 167 |
+
tx_clk_en <= '0';
|
| 168 |
+
tx_hf_clk_en <= '1';
|
| 169 |
+
else
|
| 170 |
+
tx_ticks <= tx_ticks + 1;
|
| 171 |
+
tx_clk_en <= '0';
|
| 172 |
+
tx_hf_clk_en <= '0';
|
| 173 |
+
end if;
|
| 174 |
+
end if;
|
| 175 |
+
--else
|
| 176 |
+
-- tx_ticks <= tx_ticks;
|
| 177 |
+
-- tx_clk_en <= '0';
|
| 178 |
+
-- tx_hf_clk_en <= '0';
|
| 179 |
+
--end if;
|
| 180 |
+
else
|
| 181 |
+
tx_ticks <= (others => '0');
|
| 182 |
+
tx_clk_en <= '0';
|
| 183 |
+
tx_hf_clk_en <= '0';
|
| 184 |
+
end if;
|
| 185 |
+
end if;
|
| 186 |
+
end process;
|
| 187 |
+
|
| 188 |
+
-- -------------------------------------------------------------------------
|
| 189 |
+
-- UART TRANSMITTER INPUT DATA REGISTER
|
| 190 |
+
-- -------------------------------------------------------------------------
|
| 191 |
+
|
| 192 |
+
uart_tx_input_data_reg : process (CLK)
|
| 193 |
+
begin
|
| 194 |
+
if (rising_edge(CLK)) then
|
| 195 |
+
if (RST = '1') then
|
| 196 |
+
tx_data <= (others => '0');
|
| 197 |
+
elsif (DATA_SEND = '1' AND tx_busy = '0') then
|
| 198 |
+
tx_data <= DATA_IN;
|
| 199 |
+
end if;
|
| 200 |
+
end if;
|
| 201 |
+
end process;
|
| 202 |
+
|
| 203 |
+
uart_tx_ctrl_reg : process (CLK)
|
| 204 |
+
begin
|
| 205 |
+
if (rising_edge(CLK)) then
|
| 206 |
+
if (RST = '1') then
|
| 207 |
+
parity_bit_reg <= (others => '0');
|
| 208 |
+
stop_bit_reg <= (others => '0');
|
| 209 |
+
data_bits_reg <= "00001000";
|
| 210 |
+
divider_value_reg <= "000000000000000000100000";
|
| 211 |
+
div_correct_reg <= "00";
|
| 212 |
+
elsif ((tx_pstate = txsync) or (tx_pstate = idle)) then
|
| 213 |
+
--else
|
| 214 |
+
parity_bit_reg <= PARITY_BIT;
|
| 215 |
+
stop_bit_reg <= STOP_BIT;
|
| 216 |
+
data_bits_reg <= DATA_BITS;
|
| 217 |
+
divider_value_reg <= DIVIDER_VALUE;
|
| 218 |
+
div_correct_reg <= DIV_CORRECT;
|
| 219 |
+
end if;
|
| 220 |
+
end if;
|
| 221 |
+
end process;
|
| 222 |
+
-- -------------------------------------------------------------------------
|
| 223 |
+
-- UART TRANSMITTER BIT COUNTER
|
| 224 |
+
-- -------------------------------------------------------------------------
|
| 225 |
+
|
| 226 |
+
uart_tx_bit_counter : process (CLK)
|
| 227 |
+
begin
|
| 228 |
+
if (rising_edge(CLK)) then
|
| 229 |
+
if (RST = '1') then
|
| 230 |
+
tx_bit_count <= (others => '0');
|
| 231 |
+
elsif (tx_bit_count_en = '1' AND tx_clk_en = '1') then
|
| 232 |
+
if (tx_bit_count = "1111") then
|
| 233 |
+
tx_bit_count <= (others => '0');
|
| 234 |
+
else
|
| 235 |
+
tx_bit_count <= tx_bit_count + 1;
|
| 236 |
+
end if;
|
| 237 |
+
elsif (tx_bit_count_en = '0') then
|
| 238 |
+
tx_bit_count <= (others => '0');
|
| 239 |
+
end if;
|
| 240 |
+
end if;
|
| 241 |
+
end process;
|
| 242 |
+
|
| 243 |
+
-- -------------------------------------------------------------------------
|
| 244 |
+
-- UART TRANSMITTER PARITY GENERATOR
|
| 245 |
+
-- -------------------------------------------------------------------------
|
| 246 |
+
|
| 247 |
+
--uart_tx_parity_g : if (PARITY_BIT /= "none") generate
|
| 248 |
+
--uart_tx_parity_g uart_tx_parity_gen_i: entity work.UART_PARITY
|
| 249 |
+
-- generic map (
|
| 250 |
+
-- DATA_WIDTH => 8,
|
| 251 |
+
-- PARITY_TYPE => PARITY_BIT
|
| 252 |
+
-- )
|
| 253 |
+
-- port map (
|
| 254 |
+
-- DATA_IN => tx_data,
|
| 255 |
+
-- PARITY_OUT => tx_parity_bit
|
| 256 |
+
-- );
|
| 257 |
+
--end generate;
|
| 258 |
+
|
| 259 |
+
--uart_tx_noparity_g : if (PARITY_BIT = "none") generate
|
| 260 |
+
-- tx_parity_bit <= 'Z';
|
| 261 |
+
--end generate;
|
| 262 |
+
|
| 263 |
+
tx_parity_bit <= parity_temp;
|
| 264 |
+
-- -------------------------------------------------------------------------
|
| 265 |
+
-- UART TRANSMITTER OUTPUT DATA REGISTER
|
| 266 |
+
-- -------------------------------------------------------------------------
|
| 267 |
+
|
| 268 |
+
uart_tx_output_data_reg : process (CLK)
|
| 269 |
+
begin
|
| 270 |
+
if (rising_edge(CLK)) then
|
| 271 |
+
if (RST = '1') then
|
| 272 |
+
UART_TXD <= '1';
|
| 273 |
+
else
|
| 274 |
+
case tx_data_out_sel is
|
| 275 |
+
when "01" => -- START BIT
|
| 276 |
+
UART_TXD <= '0';
|
| 277 |
+
when "10" => -- DATA BITS
|
| 278 |
+
UART_TXD <= tx_data(to_integer(tx_bit_count));
|
| 279 |
+
when "11" => -- PARITY BIT
|
| 280 |
+
UART_TXD <= tx_parity_bit;
|
| 281 |
+
when others => -- STOP BIT OR IDLE
|
| 282 |
+
UART_TXD <= '1';
|
| 283 |
+
end case;
|
| 284 |
+
end if;
|
| 285 |
+
end if;
|
| 286 |
+
end process;
|
| 287 |
+
|
| 288 |
+
-- -------------------------------------------------------------------------
|
| 289 |
+
-- UART PARITY GEN
|
| 290 |
+
-- -------------------------------------------------------------------------
|
| 291 |
+
parity_gen : process (CLK)
|
| 292 |
+
begin
|
| 293 |
+
if (rising_edge(CLK)) then
|
| 294 |
+
if (RST = '1') then
|
| 295 |
+
parity_temp <= '0';
|
| 296 |
+
elsif (parity_bit_reg = "00000000") then --none
|
| 297 |
+
parity_temp <= '0';
|
| 298 |
+
elsif (parity_bit_reg = "00000001") then --odd
|
| 299 |
+
if (tx_pstate = startbit) then
|
| 300 |
+
parity_temp <= '1';
|
| 301 |
+
elsif (tx_bit_count_en = '1' AND tx_clk_en = '1') then
|
| 302 |
+
parity_temp <= parity_temp XOR tx_data(to_integer(tx_bit_count));
|
| 303 |
+
end if;
|
| 304 |
+
elsif (parity_bit_reg = "00000010") then --even
|
| 305 |
+
if (tx_pstate = startbit) then
|
| 306 |
+
parity_temp <= '0';
|
| 307 |
+
elsif (tx_bit_count_en = '1' AND tx_clk_en = '1') then
|
| 308 |
+
parity_temp <= parity_temp XOR tx_data(to_integer(tx_bit_count));
|
| 309 |
+
end if;
|
| 310 |
+
elsif (parity_bit_reg = "00000011") then --mark
|
| 311 |
+
parity_temp <= '1';
|
| 312 |
+
elsif (parity_bit_reg = "00000100") then --space
|
| 313 |
+
parity_temp <= '0';
|
| 314 |
+
end if;
|
| 315 |
+
end if;
|
| 316 |
+
end process;
|
| 317 |
+
-- -------------------------------------------------------------------------
|
| 318 |
+
-- UART TRANSMITTER FSM
|
| 319 |
+
-- -------------------------------------------------------------------------
|
| 320 |
+
|
| 321 |
+
-- PRESENT STATE REGISTER
|
| 322 |
+
--process (CLK)
|
| 323 |
+
--begin
|
| 324 |
+
-- if (rising_edge(CLK)) then
|
| 325 |
+
-- if (RST = '1') then
|
| 326 |
+
-- tx_pstate <= idle;
|
| 327 |
+
-- else
|
| 328 |
+
-- tx_pstate <= tx_nstate;
|
| 329 |
+
-- end if;
|
| 330 |
+
-- end if;
|
| 331 |
+
--end process;
|
| 332 |
+
|
| 333 |
+
-- NEXT STATE AND OUTPUTS LOGIC
|
| 334 |
+
-- process (tx_pstate, DATA_SEND, tx_hf_clk_en, tx_clk_en, tx_bit_count)
|
| 335 |
+
process (CLK)
|
| 336 |
+
begin
|
| 337 |
+
if (rising_edge(CLK)) then
|
| 338 |
+
if (RST = '1') then
|
| 339 |
+
tx_pstate <= idle;
|
| 340 |
+
else
|
| 341 |
+
case tx_pstate is
|
| 342 |
+
when idle =>
|
| 343 |
+
tx_busy <= '0';
|
| 344 |
+
tx_data_out_sel <= "00";
|
| 345 |
+
tx_bit_count_en <= '0';
|
| 346 |
+
tx_clk_divider_en <= '0';
|
| 347 |
+
|
| 348 |
+
if (DATA_SEND = '1') then
|
| 349 |
+
tx_pstate <= txsync;
|
| 350 |
+
else
|
| 351 |
+
tx_pstate <= idle;
|
| 352 |
+
end if;
|
| 353 |
+
|
| 354 |
+
when txsync =>
|
| 355 |
+
tx_busy <= '1';
|
| 356 |
+
tx_data_out_sel <= "00";
|
| 357 |
+
tx_bit_count_en <= '0';
|
| 358 |
+
tx_clk_divider_en <= '1';
|
| 359 |
+
|
| 360 |
+
--if (stop_bit_reg = "00000000") then
|
| 361 |
+
-- if (tx_clk_en = '1') then
|
| 362 |
+
-- tx_pstate <= startbit;
|
| 363 |
+
-- else
|
| 364 |
+
-- tx_pstate <= txsync;
|
| 365 |
+
-- end if;
|
| 366 |
+
--elsif (stop_bit_reg = "00000001") then
|
| 367 |
+
-- if (tx_hf_clk_en = '1') then
|
| 368 |
+
-- tx_pstate <= startbit;
|
| 369 |
+
-- else
|
| 370 |
+
-- tx_pstate <= txsync;
|
| 371 |
+
-- end if;
|
| 372 |
+
--elsif (stop_bit_reg = "00000010") then
|
| 373 |
+
-- if (tx_clk_en = '1') then
|
| 374 |
+
-- tx_pstate <= startbit;
|
| 375 |
+
-- else
|
| 376 |
+
-- tx_pstate <= txsync;
|
| 377 |
+
-- end if;
|
| 378 |
+
--end if;
|
| 379 |
+
if (tx_clk_en = '1') then
|
| 380 |
+
tx_pstate <= startbit;
|
| 381 |
+
else
|
| 382 |
+
tx_pstate <= txsync;
|
| 383 |
+
end if;
|
| 384 |
+
when startbit =>
|
| 385 |
+
tx_busy <= '1';
|
| 386 |
+
tx_data_out_sel <= "01";
|
| 387 |
+
tx_bit_count_en <= '0';
|
| 388 |
+
tx_clk_divider_en <= '1';
|
| 389 |
+
|
| 390 |
+
if (tx_clk_en = '1') then
|
| 391 |
+
tx_pstate <= databits;
|
| 392 |
+
else
|
| 393 |
+
tx_pstate <= startbit;
|
| 394 |
+
end if;
|
| 395 |
+
|
| 396 |
+
when databits =>
|
| 397 |
+
tx_busy <= '1';
|
| 398 |
+
tx_data_out_sel <= "10";
|
| 399 |
+
tx_bit_count_en <= '1';
|
| 400 |
+
tx_clk_divider_en <= '1';
|
| 401 |
+
|
| 402 |
+
--if ((tx_clk_en = '1') AND (tx_bit_count = "111")) then
|
| 403 |
+
if (tx_clk_en = '1') then
|
| 404 |
+
if ((data_bits_reg = "00000101") AND (tx_bit_count = "0100")) then --5 bit
|
| 405 |
+
if (parity_bit_reg = "00000000") then
|
| 406 |
+
tx_pstate <= stopbit;
|
| 407 |
+
else
|
| 408 |
+
tx_pstate <= paritybit;
|
| 409 |
+
end if ;
|
| 410 |
+
elsif ((data_bits_reg = "00000110") AND (tx_bit_count = "0101")) then --6 bit
|
| 411 |
+
if (parity_bit_reg = "00000000") then
|
| 412 |
+
tx_pstate <= stopbit;
|
| 413 |
+
else
|
| 414 |
+
tx_pstate <= paritybit;
|
| 415 |
+
end if ;
|
| 416 |
+
elsif ((data_bits_reg = "00000111") AND (tx_bit_count = "0110")) then --7 bit
|
| 417 |
+
if (parity_bit_reg = "00000000") then
|
| 418 |
+
tx_pstate <= stopbit;
|
| 419 |
+
else
|
| 420 |
+
tx_pstate <= paritybit;
|
| 421 |
+
end if ;
|
| 422 |
+
elsif ((data_bits_reg = "00001000") AND (tx_bit_count = "0111")) then --8 bit
|
| 423 |
+
if (parity_bit_reg = "00000000") then
|
| 424 |
+
tx_pstate <= stopbit;
|
| 425 |
+
else
|
| 426 |
+
tx_pstate <= paritybit;
|
| 427 |
+
end if ;
|
| 428 |
+
elsif ((data_bits_reg = "00010000") AND (tx_bit_count = "1111")) then --16 bit
|
| 429 |
+
if (parity_bit_reg = "00000000") then
|
| 430 |
+
tx_pstate <= stopbit;
|
| 431 |
+
else
|
| 432 |
+
tx_pstate <= paritybit;
|
| 433 |
+
end if ;
|
| 434 |
+
else
|
| 435 |
+
tx_pstate <= databits;
|
| 436 |
+
end if ;
|
| 437 |
+
else
|
| 438 |
+
tx_pstate <= databits;
|
| 439 |
+
end if;
|
| 440 |
+
|
| 441 |
+
when paritybit =>
|
| 442 |
+
tx_busy <= '1';
|
| 443 |
+
tx_data_out_sel <= "11";
|
| 444 |
+
tx_bit_count_en <= '0';
|
| 445 |
+
tx_clk_divider_en <= '1';
|
| 446 |
+
|
| 447 |
+
if (tx_clk_en = '1') then
|
| 448 |
+
tx_pstate <= stopbit;
|
| 449 |
+
else
|
| 450 |
+
tx_pstate <= paritybit;
|
| 451 |
+
end if;
|
| 452 |
+
|
| 453 |
+
when stopbit =>
|
| 454 |
+
tx_data_out_sel <= "00";
|
| 455 |
+
tx_bit_count_en <= '0';
|
| 456 |
+
tx_clk_divider_en <= '1';
|
| 457 |
+
if (stop_bit_reg = "00000000") then
|
| 458 |
+
tx_busy <= '0';
|
| 459 |
+
if (DATA_SEND = '1') then
|
| 460 |
+
tx_pstate <= txsync;
|
| 461 |
+
elsif (tx_clk_en = '1') then
|
| 462 |
+
tx_pstate <= idle;
|
| 463 |
+
else
|
| 464 |
+
tx_pstate <= stopbit;
|
| 465 |
+
end if;
|
| 466 |
+
elsif (stop_bit_reg = "00000001") then
|
| 467 |
+
tx_busy <= '1';
|
| 468 |
+
if (tx_clk_en = '1') then
|
| 469 |
+
tx_pstate <= stopbit15;
|
| 470 |
+
else
|
| 471 |
+
tx_pstate <= stopbit;
|
| 472 |
+
end if;
|
| 473 |
+
elsif (stop_bit_reg = "00000010") then
|
| 474 |
+
if (tx_clk_en = '1') then
|
| 475 |
+
tx_pstate <= stopbit2;
|
| 476 |
+
else
|
| 477 |
+
tx_pstate <= stopbit;
|
| 478 |
+
end if;
|
| 479 |
+
end if;
|
| 480 |
+
|
| 481 |
+
when stopbit15 =>
|
| 482 |
+
tx_data_out_sel <= "00";
|
| 483 |
+
tx_bit_count_en <= '0';
|
| 484 |
+
tx_clk_divider_en <= '1';
|
| 485 |
+
tx_busy <= '0';
|
| 486 |
+
if (DATA_SEND = '1') then
|
| 487 |
+
tx_pstate <= txsync;
|
| 488 |
+
elsif (tx_hf_clk_en = '1') then
|
| 489 |
+
tx_pstate <= idle;
|
| 490 |
+
else
|
| 491 |
+
tx_pstate <= stopbit15;
|
| 492 |
+
end if;
|
| 493 |
+
|
| 494 |
+
when stopbit2 =>
|
| 495 |
+
tx_data_out_sel <= "00";
|
| 496 |
+
tx_bit_count_en <= '0';
|
| 497 |
+
tx_clk_divider_en <= '1';
|
| 498 |
+
tx_busy <= '0';
|
| 499 |
+
if (DATA_SEND = '1') then
|
| 500 |
+
tx_pstate <= txsync;
|
| 501 |
+
elsif (tx_clk_en = '1') then
|
| 502 |
+
tx_pstate <= idle;
|
| 503 |
+
else
|
| 504 |
+
tx_pstate <= stopbit2;
|
| 505 |
+
end if;
|
| 506 |
+
|
| 507 |
+
when others =>
|
| 508 |
+
tx_busy <= '1';
|
| 509 |
+
tx_data_out_sel <= "00";
|
| 510 |
+
tx_bit_count_en <= '0';
|
| 511 |
+
tx_clk_divider_en <= '0';
|
| 512 |
+
tx_pstate <= idle;
|
| 513 |
+
end case;
|
| 514 |
+
end if;
|
| 515 |
+
end if;
|
| 516 |
+
end process;
|
| 517 |
+
|
| 518 |
+
end FULL;
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/uart/usb_uart_config.v
ADDED
|
@@ -0,0 +1,277 @@
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|
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|
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|
|
|
|
| 1 |
+
//
|
| 2 |
+
// File name :uart.v
|
| 3 |
+
// Module name :uart.v
|
| 4 |
+
// Created by :GaoYun Semi
|
| 5 |
+
// Author :(Winson)
|
| 6 |
+
// Created On :2020-11-05 14:26 GuangZhou
|
| 7 |
+
// Last Modified :
|
| 8 |
+
// Update Count :2020-11-05 14:26
|
| 9 |
+
// Description :
|
| 10 |
+
//----------------------------------------------------------------------
|
| 11 |
+
//===========================================
|
| 12 |
+
module usb_uart_config
|
| 13 |
+
(
|
| 14 |
+
input PHY_CLKOUT ,// clock
|
| 15 |
+
input RESET_IN ,// reset
|
| 16 |
+
input setup_active ,
|
| 17 |
+
input [3:0] endpt_sel ,
|
| 18 |
+
input usb_rxval ,
|
| 19 |
+
input usb_rxact ,
|
| 20 |
+
input [7:0] usb_rxdat ,
|
| 21 |
+
input usb_txact ,
|
| 22 |
+
input usb_txpop ,
|
| 23 |
+
output [11:0] usb_txdat_len_o ,
|
| 24 |
+
output [7:0] endpt0_dat_o ,
|
| 25 |
+
output endpt0_send_o ,
|
| 26 |
+
output uart1_en_o ,
|
| 27 |
+
output [31:0] uart1_BAUD_RATE_o ,
|
| 28 |
+
output [7:0] uart1_PARITY_BIT_o,
|
| 29 |
+
output [7:0] uart1_STOP_BIT_o ,
|
| 30 |
+
output [7:0] uart1_DATA_BITS_o,
|
| 31 |
+
output reg [15:0] s_ctl_sig
|
| 32 |
+
|
| 33 |
+
);
|
| 34 |
+
|
| 35 |
+
parameter ENDPT_UART_CONFIG =4'h0;
|
| 36 |
+
parameter ENDPT_UART1_DATA =4'h1;
|
| 37 |
+
parameter ENDPT_UART2_DATA =4'h2;
|
| 38 |
+
parameter ENDPT_UART3_DATA =4'h3;
|
| 39 |
+
parameter ENDPT_I2C1 =4'h4;
|
| 40 |
+
parameter ENDPT_I2C2 =4'h5;
|
| 41 |
+
parameter ENDPT_I2C3 =4'h6;
|
| 42 |
+
parameter ENDPT_I2C4 =4'h7;
|
| 43 |
+
parameter ENDPT_PARALLEL20 =4'h8;
|
| 44 |
+
|
| 45 |
+
|
| 46 |
+
localparam SET_LINE_CODING = 8'h20;
|
| 47 |
+
localparam GET_LINE_CODING = 8'h21;
|
| 48 |
+
localparam SET_CONTROL_LINE_STATE = 8'h22;
|
| 49 |
+
|
| 50 |
+
reg [7:0] stage;
|
| 51 |
+
reg [7:0] sub_stage;
|
| 52 |
+
reg [7:0] s_req_type;
|
| 53 |
+
reg [7:0] s_req_code;
|
| 54 |
+
reg [15:0]s_set_len;
|
| 55 |
+
reg [15:0]s_interface_num;
|
| 56 |
+
reg s_uart1_en;
|
| 57 |
+
|
| 58 |
+
reg [31:0]s_dte1_rate;
|
| 59 |
+
reg [7:0] s_char1_format;
|
| 60 |
+
reg [7:0] s_parity1_type;
|
| 61 |
+
reg [7:0] s_data1_bits;
|
| 62 |
+
reg [7:0] s_char2_format;
|
| 63 |
+
reg [7:0] s_parity2_type;
|
| 64 |
+
reg [7:0] s_data2_bits;
|
| 65 |
+
reg [31:0]s_dte3_rate;
|
| 66 |
+
reg [7:0] s_char3_format;
|
| 67 |
+
reg [7:0] s_parity3_type;
|
| 68 |
+
reg [7:0] s_data3_bits;
|
| 69 |
+
reg [7:0] endpt0_dat;
|
| 70 |
+
reg endpt0_send;
|
| 71 |
+
|
| 72 |
+
assign uart1_en_o=s_uart1_en;
|
| 73 |
+
assign uart1_BAUD_RATE_o=s_dte1_rate;
|
| 74 |
+
assign uart1_PARITY_BIT_o=s_parity1_type;
|
| 75 |
+
assign uart1_STOP_BIT_o=s_char1_format;
|
| 76 |
+
assign uart1_DATA_BITS_o=s_data1_bits;
|
| 77 |
+
assign endpt0_dat_o=endpt0_dat;
|
| 78 |
+
assign endpt0_send_o=endpt0_send;
|
| 79 |
+
assign usb_txdat_len_o=12'd7;
|
| 80 |
+
|
| 81 |
+
always @(posedge PHY_CLKOUT,posedge RESET_IN) begin
|
| 82 |
+
if (RESET_IN) begin
|
| 83 |
+
stage <= 8'd0;
|
| 84 |
+
sub_stage <= 8'd0;
|
| 85 |
+
s_req_type <= 8'd0;
|
| 86 |
+
s_req_code <= 8'd0;
|
| 87 |
+
s_ctl_sig <= 16'd0;
|
| 88 |
+
s_set_len <= 16'd0;
|
| 89 |
+
s_interface_num<= 16'd0;
|
| 90 |
+
s_dte1_rate <= 32'd115200;
|
| 91 |
+
s_char1_format <= 8'd0;
|
| 92 |
+
s_parity1_type <= 8'd0;
|
| 93 |
+
s_data1_bits <= 8'd8;
|
| 94 |
+
endpt0_send <= 1'd0;
|
| 95 |
+
endpt0_dat <= 8'd0;
|
| 96 |
+
s_uart1_en <= 1'b0;
|
| 97 |
+
end
|
| 98 |
+
else begin
|
| 99 |
+
if (setup_active) begin
|
| 100 |
+
if (usb_rxval) begin
|
| 101 |
+
case (stage)
|
| 102 |
+
8'd0 : begin
|
| 103 |
+
s_req_type <= usb_rxdat;
|
| 104 |
+
stage <= stage + 8'd1;
|
| 105 |
+
sub_stage <= 8'd0;
|
| 106 |
+
endpt0_send <= 1'd0;
|
| 107 |
+
end
|
| 108 |
+
8'd1 : begin
|
| 109 |
+
s_req_code <= usb_rxdat;
|
| 110 |
+
stage <= stage + 8'd1;
|
| 111 |
+
end
|
| 112 |
+
8'd2 : begin
|
| 113 |
+
if (s_req_code == SET_CONTROL_LINE_STATE) begin
|
| 114 |
+
s_ctl_sig[7:0] <= usb_rxdat;
|
| 115 |
+
end
|
| 116 |
+
stage <= stage + 8'd1;
|
| 117 |
+
end
|
| 118 |
+
8'd3 : begin
|
| 119 |
+
if (s_req_code == SET_CONTROL_LINE_STATE) begin
|
| 120 |
+
s_ctl_sig[15:8] <= usb_rxdat;
|
| 121 |
+
end
|
| 122 |
+
stage <= stage + 8'd1;
|
| 123 |
+
end
|
| 124 |
+
8'd4 : begin
|
| 125 |
+
stage <= stage + 8'd1;
|
| 126 |
+
if (s_req_code == SET_LINE_CODING) begin
|
| 127 |
+
s_interface_num[7:0] <= usb_rxdat;
|
| 128 |
+
end
|
| 129 |
+
else if (s_req_code == SET_CONTROL_LINE_STATE) begin
|
| 130 |
+
s_interface_num[7:0] <= usb_rxdat;
|
| 131 |
+
end
|
| 132 |
+
end
|
| 133 |
+
8'd5 : begin
|
| 134 |
+
stage <= stage + 8'd1;
|
| 135 |
+
if (s_req_code == SET_LINE_CODING) begin
|
| 136 |
+
s_interface_num[15:8] <= usb_rxdat;
|
| 137 |
+
end
|
| 138 |
+
else if (s_req_code == SET_CONTROL_LINE_STATE) begin
|
| 139 |
+
s_interface_num[15:8] <= usb_rxdat;
|
| 140 |
+
end
|
| 141 |
+
|
| 142 |
+
end
|
| 143 |
+
8'd6 : begin
|
| 144 |
+
if (s_req_code == SET_LINE_CODING) begin
|
| 145 |
+
s_set_len[7:0] <= usb_rxdat;
|
| 146 |
+
end
|
| 147 |
+
else if (s_req_code == GET_LINE_CODING) begin
|
| 148 |
+
s_set_len[7:0] <= usb_rxdat;
|
| 149 |
+
if (s_interface_num == 16'd0) begin
|
| 150 |
+
endpt0_send <= 1'd1;
|
| 151 |
+
end
|
| 152 |
+
end
|
| 153 |
+
else if (s_req_code == SET_CONTROL_LINE_STATE) begin
|
| 154 |
+
if (s_interface_num == 16'd0) begin
|
| 155 |
+
s_uart1_en <= s_ctl_sig[0];
|
| 156 |
+
end
|
| 157 |
+
end
|
| 158 |
+
stage <= stage + 8'd1;
|
| 159 |
+
end
|
| 160 |
+
8'd7 : begin
|
| 161 |
+
if (s_req_code == SET_LINE_CODING) begin
|
| 162 |
+
s_set_len[15:8] <= usb_rxdat;
|
| 163 |
+
end
|
| 164 |
+
else if (s_req_code == GET_LINE_CODING) begin
|
| 165 |
+
s_set_len[15:8] <= usb_rxdat;
|
| 166 |
+
if (s_interface_num == 16'd0) begin
|
| 167 |
+
endpt0_send <= 1'd1;
|
| 168 |
+
endpt0_dat <= s_dte1_rate[7:0];
|
| 169 |
+
end
|
| 170 |
+
end
|
| 171 |
+
stage <= stage + 8'd1;
|
| 172 |
+
sub_stage <= 8'd0;
|
| 173 |
+
end
|
| 174 |
+
8'd8 : begin
|
| 175 |
+
stage <= stage;
|
| 176 |
+
end
|
| 177 |
+
endcase
|
| 178 |
+
end
|
| 179 |
+
end
|
| 180 |
+
else if (s_req_code == SET_LINE_CODING) begin
|
| 181 |
+
stage <= 8'd0;
|
| 182 |
+
if ((usb_rxact)&&(endpt_sel ==ENDPT_UART_CONFIG)) begin
|
| 183 |
+
if (usb_rxval) begin
|
| 184 |
+
sub_stage <= sub_stage + 8'd1;
|
| 185 |
+
if(s_interface_num==0)begin
|
| 186 |
+
if (sub_stage <= 3) begin
|
| 187 |
+
s_dte1_rate <= {usb_rxdat,s_dte1_rate[31:8]};
|
| 188 |
+
end
|
| 189 |
+
else if (sub_stage == 4) begin
|
| 190 |
+
s_char1_format <= usb_rxdat;
|
| 191 |
+
end
|
| 192 |
+
else if (sub_stage == 5) begin
|
| 193 |
+
s_parity1_type <= usb_rxdat;
|
| 194 |
+
end
|
| 195 |
+
else if (sub_stage == 6) begin
|
| 196 |
+
s_data1_bits <= usb_rxdat;
|
| 197 |
+
end
|
| 198 |
+
end
|
| 199 |
+
end
|
| 200 |
+
end
|
| 201 |
+
end
|
| 202 |
+
else if (s_req_code == GET_LINE_CODING) begin
|
| 203 |
+
stage <= 8'd0;
|
| 204 |
+
if ((usb_txact)&&(endpt_sel ==ENDPT_UART_CONFIG)) begin
|
| 205 |
+
if (endpt0_send == 1'b1) begin
|
| 206 |
+
if (usb_txpop) begin
|
| 207 |
+
sub_stage <= sub_stage + 8'd1;
|
| 208 |
+
end
|
| 209 |
+
if (s_req_code == GET_LINE_CODING) begin
|
| 210 |
+
/* if (sub_stage <= 0) begin //old controller version
|
| 211 |
+
endpt0_dat <= s_dte_rate[7:0];
|
| 212 |
+
end
|
| 213 |
+
else if (sub_stage == 1) begin
|
| 214 |
+
endpt0_dat <= s_dte_rate[15:8];
|
| 215 |
+
end
|
| 216 |
+
else if (sub_stage == 2) begin
|
| 217 |
+
endpt0_dat <= s_dte_rate[23:16];
|
| 218 |
+
end
|
| 219 |
+
else if (sub_stage == 3) begin
|
| 220 |
+
endpt0_dat <= s_dte_rate[31:24];
|
| 221 |
+
end
|
| 222 |
+
else if (sub_stage == 4) begin
|
| 223 |
+
endpt0_dat <= s_char_format;
|
| 224 |
+
end
|
| 225 |
+
else if (sub_stage == 5) begin
|
| 226 |
+
endpt0_dat <= s_parity_type;
|
| 227 |
+
end
|
| 228 |
+
else if (sub_stage == 6) begin
|
| 229 |
+
endpt0_dat <= s_data_bits;
|
| 230 |
+
end
|
| 231 |
+
else begin
|
| 232 |
+
endpt0_send <= 1'b0;
|
| 233 |
+
end*/
|
| 234 |
+
if (usb_txpop) begin// new controller version
|
| 235 |
+
if(s_interface_num==0)begin
|
| 236 |
+
if (sub_stage <= 0) begin
|
| 237 |
+
endpt0_dat <= s_dte1_rate[15:8];
|
| 238 |
+
end
|
| 239 |
+
else if (sub_stage == 1) begin
|
| 240 |
+
endpt0_dat <= s_dte1_rate[23:16];
|
| 241 |
+
end
|
| 242 |
+
else if (sub_stage == 2) begin
|
| 243 |
+
endpt0_dat <= s_dte1_rate[31:24];
|
| 244 |
+
end
|
| 245 |
+
else if (sub_stage == 3) begin
|
| 246 |
+
endpt0_dat <= s_char1_format;
|
| 247 |
+
end
|
| 248 |
+
else if (sub_stage == 4) begin
|
| 249 |
+
endpt0_dat <= s_parity1_type;
|
| 250 |
+
end
|
| 251 |
+
else if (sub_stage == 5) begin
|
| 252 |
+
endpt0_dat <= s_data1_bits;
|
| 253 |
+
end
|
| 254 |
+
else if (sub_stage == 6) begin
|
| 255 |
+
endpt0_send <= 1'b0;
|
| 256 |
+
end
|
| 257 |
+
else begin
|
| 258 |
+
endpt0_send <= 1'b0;
|
| 259 |
+
end
|
| 260 |
+
end
|
| 261 |
+
end
|
| 262 |
+
end
|
| 263 |
+
end
|
| 264 |
+
end
|
| 265 |
+
else begin
|
| 266 |
+
sub_stage <= 8'd0;
|
| 267 |
+
end
|
| 268 |
+
end
|
| 269 |
+
else begin
|
| 270 |
+
stage <= 8'd0;
|
| 271 |
+
sub_stage <= 8'd0;
|
| 272 |
+
end
|
| 273 |
+
end
|
| 274 |
+
end
|
| 275 |
+
|
| 276 |
+
|
| 277 |
+
endmodule
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/uart_packet_wrapper_rx.sv
ADDED
|
@@ -0,0 +1,99 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
|
| 2 |
+
module uart_packet_wrapper_rx(
|
| 3 |
+
input clk,
|
| 4 |
+
input reset,
|
| 5 |
+
input [7:0] uart_rx_data,
|
| 6 |
+
input uart_rx_val,
|
| 7 |
+
input uartDisabled,
|
| 8 |
+
output reg [6:0] rx_address,
|
| 9 |
+
output reg [79:0] rx_data,
|
| 10 |
+
output reg rx_data_val
|
| 11 |
+
);
|
| 12 |
+
|
| 13 |
+
localparam RX_IDLE = 3'd1;
|
| 14 |
+
localparam RX_ADDR = 3'd2;
|
| 15 |
+
localparam RX_COUNT = 3'd3;
|
| 16 |
+
localparam RX_DATA = 3'd4;
|
| 17 |
+
localparam RX_CRC = 3'd5;
|
| 18 |
+
localparam RX_ERROR = 3'd6;
|
| 19 |
+
|
| 20 |
+
reg [2:0] rx_state;
|
| 21 |
+
reg [7:0] rx_count;
|
| 22 |
+
reg [7:0] crc;
|
| 23 |
+
always@(posedge clk or posedge reset)
|
| 24 |
+
begin
|
| 25 |
+
if(reset) begin
|
| 26 |
+
rx_state <= RX_IDLE;
|
| 27 |
+
end else begin
|
| 28 |
+
|
| 29 |
+
rx_data_val <= 1'd0;
|
| 30 |
+
|
| 31 |
+
case(rx_state)
|
| 32 |
+
|
| 33 |
+
RX_IDLE :
|
| 34 |
+
if((uart_rx_val)&&(uart_rx_data == 8'h8F))
|
| 35 |
+
rx_state <= RX_ADDR;
|
| 36 |
+
|
| 37 |
+
RX_ADDR :
|
| 38 |
+
if(uart_rx_val) begin
|
| 39 |
+
rx_state <= RX_COUNT;
|
| 40 |
+
rx_address <= uart_rx_data[6:0];
|
| 41 |
+
end
|
| 42 |
+
|
| 43 |
+
RX_COUNT :
|
| 44 |
+
if(uart_rx_val) begin
|
| 45 |
+
rx_state <= RX_DATA;
|
| 46 |
+
rx_count <= uart_rx_data;
|
| 47 |
+
end
|
| 48 |
+
|
| 49 |
+
RX_DATA :
|
| 50 |
+
if(uart_rx_val) begin
|
| 51 |
+
if (rx_count < 8'd2) begin
|
| 52 |
+
rx_state <= RX_CRC;
|
| 53 |
+
end else begin
|
| 54 |
+
rx_count <= rx_count - 1'd1;
|
| 55 |
+
end
|
| 56 |
+
rx_data <= {rx_data[71:0], uart_rx_data};
|
| 57 |
+
end
|
| 58 |
+
|
| 59 |
+
RX_CRC :
|
| 60 |
+
if(uart_rx_val) begin
|
| 61 |
+
if (crc == uart_rx_data) begin
|
| 62 |
+
rx_data_val <= 1'd1;
|
| 63 |
+
rx_state <= RX_IDLE;
|
| 64 |
+
end else begin
|
| 65 |
+
rx_state <= RX_ERROR;
|
| 66 |
+
end
|
| 67 |
+
end
|
| 68 |
+
|
| 69 |
+
RX_ERROR :
|
| 70 |
+
rx_state <= RX_IDLE;
|
| 71 |
+
|
| 72 |
+
default :
|
| 73 |
+
rx_state <= RX_IDLE;
|
| 74 |
+
endcase
|
| 75 |
+
end
|
| 76 |
+
end
|
| 77 |
+
|
| 78 |
+
// CRC-8-SAE J1850 parameters
|
| 79 |
+
parameter POLY = 8'h1D; // Polynomial: x^8 + x^5 + x^4 + 1
|
| 80 |
+
reg [3:0] bit_count;
|
| 81 |
+
|
| 82 |
+
always @(posedge clk) begin
|
| 83 |
+
if (rx_state == RX_IDLE && ~uart_rx_val) begin
|
| 84 |
+
crc <= 8'hFF;
|
| 85 |
+
bit_count <= 4'd0;
|
| 86 |
+
end else if (uart_rx_val) begin
|
| 87 |
+
bit_count <= 4'd8;
|
| 88 |
+
crc <= crc ^ uart_rx_data;
|
| 89 |
+
end else if (bit_count > 0) begin
|
| 90 |
+
bit_count <= bit_count - 1'd1;
|
| 91 |
+
if (crc[7]) begin
|
| 92 |
+
crc <= {crc[6:0], 1'b0} ^ POLY;
|
| 93 |
+
end else begin
|
| 94 |
+
crc <= {crc[6:0], 1'b0};
|
| 95 |
+
end
|
| 96 |
+
end
|
| 97 |
+
end
|
| 98 |
+
|
| 99 |
+
endmodule
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/uart_packet_wrapper_tx.sv
ADDED
|
@@ -0,0 +1,162 @@
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
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|
|
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|
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|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
|
| 2 |
+
module uart_packet_wrapper_tx(
|
| 3 |
+
input clk,
|
| 4 |
+
input reset,
|
| 5 |
+
input uart_tx_busy,
|
| 6 |
+
output reg [7:0] uart_tx_data,
|
| 7 |
+
output reg uart_tx_val,
|
| 8 |
+
output write_done,
|
| 9 |
+
input write,
|
| 10 |
+
input menuDisabled,
|
| 11 |
+
input uartDisabled,
|
| 12 |
+
input [6:0] tx_address,
|
| 13 |
+
input [7:0] tx_byteCount,
|
| 14 |
+
output reg [7:0] tx_bytepos,
|
| 15 |
+
input [7:0] tx_senddata
|
| 16 |
+
);
|
| 17 |
+
|
| 18 |
+
// Extra rate limiter between UART bytes
|
| 19 |
+
reg [3:0] cnt = 'd0;
|
| 20 |
+
always@(posedge clk)
|
| 21 |
+
cnt <= cnt + 1'd1;
|
| 22 |
+
|
| 23 |
+
localparam TX_IDLE = 4'd1;
|
| 24 |
+
localparam TX_ADDR = 4'd2;
|
| 25 |
+
localparam TX_COUNT = 4'd3;
|
| 26 |
+
localparam TX_DATA = 4'd4;
|
| 27 |
+
localparam TX_CRC = 4'd5;
|
| 28 |
+
localparam TX_DONE = 4'd6;
|
| 29 |
+
localparam TX_SLEEP = 4'd7;
|
| 30 |
+
localparam TX_AWAKE = 4'd8;
|
| 31 |
+
localparam TX_START = 4'd9;
|
| 32 |
+
|
| 33 |
+
reg [4:0] tx_state;
|
| 34 |
+
reg [7:0] bytecount;
|
| 35 |
+
|
| 36 |
+
always@(posedge clk or posedge reset) begin
|
| 37 |
+
if(reset)
|
| 38 |
+
tx_state <= TX_IDLE;
|
| 39 |
+
else begin
|
| 40 |
+
if(uartDisabled)
|
| 41 |
+
tx_state <= TX_IDLE;
|
| 42 |
+
else begin
|
| 43 |
+
case(tx_state)
|
| 44 |
+
|
| 45 |
+
TX_IDLE :
|
| 46 |
+
if (menuDisabled) begin
|
| 47 |
+
tx_state <= TX_SLEEP;
|
| 48 |
+
end else if(~uart_tx_busy&&write) begin
|
| 49 |
+
tx_state <= TX_ADDR;
|
| 50 |
+
end
|
| 51 |
+
|
| 52 |
+
TX_ADDR :
|
| 53 |
+
if((~uart_tx_busy)&&(cnt == 'd0))
|
| 54 |
+
tx_state <= TX_COUNT;
|
| 55 |
+
|
| 56 |
+
TX_COUNT :
|
| 57 |
+
if((~uart_tx_busy)&&(cnt == 'd0)) begin
|
| 58 |
+
bytecount <= tx_byteCount;
|
| 59 |
+
tx_bytepos <= 8'd0;
|
| 60 |
+
tx_state <= TX_DATA;
|
| 61 |
+
end
|
| 62 |
+
|
| 63 |
+
TX_DATA :
|
| 64 |
+
if((~uart_tx_busy)&&(cnt == 'd0)) begin
|
| 65 |
+
if (bytecount == 8'd1) begin
|
| 66 |
+
tx_state <= TX_CRC;
|
| 67 |
+
end else begin
|
| 68 |
+
bytecount <= bytecount - 1'd1;
|
| 69 |
+
tx_bytepos <= tx_bytepos + 1'd1;
|
| 70 |
+
end
|
| 71 |
+
end
|
| 72 |
+
|
| 73 |
+
TX_CRC :
|
| 74 |
+
if((~uart_tx_busy)&&(cnt == 'd0))
|
| 75 |
+
tx_state <= TX_DONE;
|
| 76 |
+
|
| 77 |
+
TX_DONE :
|
| 78 |
+
if((~uart_tx_busy)&&(cnt == 'd0))
|
| 79 |
+
tx_state <= TX_IDLE;
|
| 80 |
+
|
| 81 |
+
TX_SLEEP :
|
| 82 |
+
if(~uart_tx_busy&&write) begin
|
| 83 |
+
tx_state <= TX_AWAKE;
|
| 84 |
+
bytecount <= 8'd20; // test show about 15 bytes are lost after sleep
|
| 85 |
+
end
|
| 86 |
+
|
| 87 |
+
TX_AWAKE :
|
| 88 |
+
if((~uart_tx_busy)&&(cnt == 'd0)) begin
|
| 89 |
+
if (bytecount == 8'd1) begin
|
| 90 |
+
tx_state <= TX_START;
|
| 91 |
+
end else begin
|
| 92 |
+
bytecount <= bytecount - 1'd1;
|
| 93 |
+
end
|
| 94 |
+
end
|
| 95 |
+
|
| 96 |
+
TX_START:
|
| 97 |
+
if((~uart_tx_busy)&&(cnt == 'd0))
|
| 98 |
+
tx_state <= TX_ADDR;
|
| 99 |
+
|
| 100 |
+
default :
|
| 101 |
+
tx_state <= TX_IDLE;
|
| 102 |
+
endcase
|
| 103 |
+
end
|
| 104 |
+
end
|
| 105 |
+
end
|
| 106 |
+
|
| 107 |
+
always@(posedge clk)
|
| 108 |
+
begin
|
| 109 |
+
uart_tx_val <= 1'd0;
|
| 110 |
+
if(~uart_tx_busy&~uartDisabled) begin
|
| 111 |
+
if(tx_state == TX_IDLE | tx_state == TX_SLEEP) begin
|
| 112 |
+
uart_tx_val <= write;
|
| 113 |
+
end else begin
|
| 114 |
+
if((cnt == 'd0)&&(tx_state != TX_DONE)) begin
|
| 115 |
+
uart_tx_val <= 1'd1;
|
| 116 |
+
end
|
| 117 |
+
end
|
| 118 |
+
end
|
| 119 |
+
end
|
| 120 |
+
|
| 121 |
+
assign write_done = tx_state == TX_DONE && (~uart_tx_busy)&&(cnt == 'd0);
|
| 122 |
+
|
| 123 |
+
reg [7:0] crc;
|
| 124 |
+
|
| 125 |
+
always@(posedge clk)
|
| 126 |
+
begin
|
| 127 |
+
case(tx_state)
|
| 128 |
+
TX_IDLE: uart_tx_data <= 8'h8F; //Magic header
|
| 129 |
+
TX_ADDR: uart_tx_data <= {1'd0,tx_address[6:0]};
|
| 130 |
+
TX_COUNT: uart_tx_data <= tx_byteCount;
|
| 131 |
+
TX_DATA: uart_tx_data <= tx_senddata;
|
| 132 |
+
TX_CRC: uart_tx_data <= crc;
|
| 133 |
+
TX_SLEEP: uart_tx_data <= 8'h00;
|
| 134 |
+
TX_AWAKE: uart_tx_data <= 8'h00;
|
| 135 |
+
TX_START: uart_tx_data <= 8'h8F; //Magic header
|
| 136 |
+
default: uart_tx_data <= 8'hCA;
|
| 137 |
+
endcase
|
| 138 |
+
end
|
| 139 |
+
|
| 140 |
+
// CRC-8-SAE J1850 parameters
|
| 141 |
+
parameter POLY = 8'h1D; // Polynomial: x^8 + x^5 + x^4 + 1
|
| 142 |
+
reg [3:0] bit_count;
|
| 143 |
+
|
| 144 |
+
always @(posedge clk) begin
|
| 145 |
+
if (tx_state == TX_IDLE && ~write) begin
|
| 146 |
+
crc <= 8'hFF;
|
| 147 |
+
bit_count <= 4'd0;
|
| 148 |
+
end else if (uart_tx_val && tx_state != TX_SLEEP && tx_state != TX_AWAKE && tx_state != TX_START) begin
|
| 149 |
+
bit_count <= 4'd8;
|
| 150 |
+
crc <= crc ^ uart_tx_data;
|
| 151 |
+
end else if (bit_count > 0) begin
|
| 152 |
+
bit_count <= bit_count - 1'd1;
|
| 153 |
+
if (crc[7]) begin
|
| 154 |
+
crc <= {crc[6:0], 1'b0} ^ POLY;
|
| 155 |
+
end else begin
|
| 156 |
+
crc <= {crc[6:0], 1'b0};
|
| 157 |
+
end
|
| 158 |
+
end
|
| 159 |
+
end
|
| 160 |
+
|
| 161 |
+
|
| 162 |
+
endmodule
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/vid_system_top.sv
ADDED
|
@@ -0,0 +1,476 @@
|
|
|
|
|
|
|
|
|
|
|
|
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| 1 |
+
// vid_system_top.v
|
| 2 |
+
|
| 3 |
+
module vid_system_top #(parameter ISSIMU=0)
|
| 4 |
+
(
|
| 5 |
+
input gClk,
|
| 6 |
+
input hClk,
|
| 7 |
+
input pClk,
|
| 8 |
+
input reset,
|
| 9 |
+
|
| 10 |
+
input BTN_MENU,
|
| 11 |
+
output reg slideOutActive,
|
| 12 |
+
|
| 13 |
+
output [5:0] LCD_DB,
|
| 14 |
+
output LCD_ENABLE_UVC,
|
| 15 |
+
output [17:0] LCD_DB_UVC,
|
| 16 |
+
output LCD_DOTCLK,
|
| 17 |
+
output LCD_ENABLE,
|
| 18 |
+
output LCD_HSYNC,
|
| 19 |
+
output LCD_RESET,
|
| 20 |
+
output LCD_SPI_CSX,
|
| 21 |
+
output LCD_SPI_SCLK,
|
| 22 |
+
output LCD_SPI_SDA,
|
| 23 |
+
input LCD_TE,
|
| 24 |
+
input LCD_EN,
|
| 25 |
+
output LCD_GENLOCK,
|
| 26 |
+
output LCD_VSYNC,
|
| 27 |
+
|
| 28 |
+
input frameBlendEnable,
|
| 29 |
+
input colorCorrectionEnableLCD,
|
| 30 |
+
input colorCorrectionEnableUVC,
|
| 31 |
+
input voltageLow,
|
| 32 |
+
input [1:0] lowBattDispMode,
|
| 33 |
+
input showTimer,
|
| 34 |
+
input runTimer,
|
| 35 |
+
input resetTimer,
|
| 36 |
+
input gSecondEna,
|
| 37 |
+
input gPercentEna,
|
| 38 |
+
input [31:0] debug_system,
|
| 39 |
+
input debug_system_on,
|
| 40 |
+
|
| 41 |
+
output hGBNewLine,
|
| 42 |
+
output reg [22:0] hGBAddress,
|
| 43 |
+
output hGBWrite,
|
| 44 |
+
output [15:0] hGBData,
|
| 45 |
+
|
| 46 |
+
output hValid,
|
| 47 |
+
output hHsync,
|
| 48 |
+
output hVsync,
|
| 49 |
+
input [15:0] hWrBurstQ,
|
| 50 |
+
input [15:0] hWrBurstQ2,
|
| 51 |
+
output reg hDrawOSD,
|
| 52 |
+
|
| 53 |
+
output LCD_INIT_DONE,
|
| 54 |
+
input gb_lcd_clkena,
|
| 55 |
+
input [14:0] gb_lcd_data,
|
| 56 |
+
input [1:0] gb_lcd_mode,
|
| 57 |
+
input gb_lcd_on,
|
| 58 |
+
input gb_lcd_vsync
|
| 59 |
+
|
| 60 |
+
);
|
| 61 |
+
|
| 62 |
+
ODDR u_ODDR(
|
| 63 |
+
.Q0(LCD_DOTCLK),
|
| 64 |
+
.Q1(),
|
| 65 |
+
.D0(1'd1),
|
| 66 |
+
.D1(1'd0),
|
| 67 |
+
.TX(1'd1),
|
| 68 |
+
.CLK(gClk)
|
| 69 |
+
);
|
| 70 |
+
|
| 71 |
+
|
| 72 |
+
ST7785_init #(ISSIMU)
|
| 73 |
+
u_ST7785_init(
|
| 74 |
+
.clk(pClk),
|
| 75 |
+
.reset(reset),
|
| 76 |
+
.LCD_CS(LCD_SPI_CSX),
|
| 77 |
+
.LCD_SCK(LCD_SPI_SCLK),
|
| 78 |
+
.LCD_SDA_SDI(LCD_SPI_SDA),
|
| 79 |
+
.LCD_RST(LCD_RESET),
|
| 80 |
+
.LCD_INIT_DONE(LCD_INIT_DONE)
|
| 81 |
+
);
|
| 82 |
+
|
| 83 |
+
wire [14:0] hColorPixel;
|
| 84 |
+
assign hHsync = gb_lcd_mode[1];
|
| 85 |
+
assign hVsync = gb_lcd_vsync;
|
| 86 |
+
|
| 87 |
+
|
| 88 |
+
reg hHsync_r1;
|
| 89 |
+
reg hVsync_r1;
|
| 90 |
+
always@(posedge hClk)
|
| 91 |
+
begin
|
| 92 |
+
hHsync_r1 <= hHsync;
|
| 93 |
+
hVsync_r1 <= hVsync;
|
| 94 |
+
end
|
| 95 |
+
|
| 96 |
+
reg hGBFrameBufferNum;
|
| 97 |
+
always@(posedge hClk)
|
| 98 |
+
begin
|
| 99 |
+
if(hVsync&~hVsync_r1)
|
| 100 |
+
begin
|
| 101 |
+
hGBAddress <= 23'h10000;
|
| 102 |
+
end
|
| 103 |
+
else
|
| 104 |
+
if(hGBNewLine&~hVsync)
|
| 105 |
+
hGBAddress <= hGBAddress + 'd320;
|
| 106 |
+
end
|
| 107 |
+
|
| 108 |
+
assign hGBWrite = gb_lcd_clkena;
|
| 109 |
+
assign hGBNewLine = ~hHsync&hHsync_r1;
|
| 110 |
+
assign hGBData = {1'd0, gb_lcd_data[14:0]};
|
| 111 |
+
|
| 112 |
+
reg [7:0] screenX;
|
| 113 |
+
reg [7:0] screenY;
|
| 114 |
+
always@(posedge hClk) begin
|
| 115 |
+
if (hHsync&~hHsync_r1) begin
|
| 116 |
+
screenX <= 8'd0;
|
| 117 |
+
screenY <= screenY + 1'd1;
|
| 118 |
+
end else if (gb_lcd_clkena) begin
|
| 119 |
+
screenX <= screenX + 1'd1;
|
| 120 |
+
end
|
| 121 |
+
|
| 122 |
+
if(hVsync&~hVsync_r1) begin
|
| 123 |
+
hDrawOSD <= ~BTN_MENU;
|
| 124 |
+
screenY <= 8'd0;
|
| 125 |
+
end
|
| 126 |
+
end
|
| 127 |
+
|
| 128 |
+
wire [6:0] sum_r = {hWrBurstQ[4:0],1'd0} + {gb_lcd_data[4:0],1'd0};
|
| 129 |
+
wire [6:0] sum_g = {hWrBurstQ[9:5],1'd0} + {gb_lcd_data[9:5],1'd0};
|
| 130 |
+
wire [6:0] sum_b = {hWrBurstQ[14:10],1'd0} + {gb_lcd_data[14:10],1'd0};
|
| 131 |
+
|
| 132 |
+
wire [5:0] game_r = frameBlendEnable ? sum_r[6:1] : {gb_lcd_data[4:0],1'b0};
|
| 133 |
+
wire [5:0] game_g = frameBlendEnable ? sum_g[6:1] : {gb_lcd_data[9:5],1'b0};
|
| 134 |
+
wire [5:0] game_b = frameBlendEnable ? sum_b[6:1] : {gb_lcd_data[14:10],1'b0};
|
| 135 |
+
|
| 136 |
+
wire [17:0] psel = {game_b,game_g,game_r};
|
| 137 |
+
|
| 138 |
+
// OSD and overlay
|
| 139 |
+
reg [17:0] overlayColor;
|
| 140 |
+
reg overlayActive;
|
| 141 |
+
reg overlayCrush;
|
| 142 |
+
|
| 143 |
+
wire overlayActive_batteryFront;
|
| 144 |
+
wire overlayActive_batteryBack;
|
| 145 |
+
wire overlayActive_TimerFront;
|
| 146 |
+
wire overlayActive_TimerBack;
|
| 147 |
+
wire overlayActive_TimerNumber;
|
| 148 |
+
wire overlayActive_debug;
|
| 149 |
+
|
| 150 |
+
overlayBatteryFront u_overlayBatteryFront
|
| 151 |
+
(
|
| 152 |
+
.screenX (screenX),
|
| 153 |
+
.screenY (screenY),
|
| 154 |
+
.overlayActive (overlayActive_batteryFront)
|
| 155 |
+
);
|
| 156 |
+
|
| 157 |
+
overlayBatteryBack u_overlayBatteryBack
|
| 158 |
+
(
|
| 159 |
+
.screenX (screenX),
|
| 160 |
+
.screenY (screenY),
|
| 161 |
+
.overlayActive (overlayActive_batteryBack)
|
| 162 |
+
);
|
| 163 |
+
|
| 164 |
+
overlayTimerFront u_overlayTimerFront
|
| 165 |
+
(
|
| 166 |
+
.screenX (screenX),
|
| 167 |
+
.screenY (screenY),
|
| 168 |
+
.overlayActive (overlayActive_TimerFront)
|
| 169 |
+
);
|
| 170 |
+
|
| 171 |
+
overlayTimerBack u_overlayTimerBack
|
| 172 |
+
(
|
| 173 |
+
.screenX (screenX),
|
| 174 |
+
.screenY (screenY),
|
| 175 |
+
.overlayActive (overlayActive_TimerBack)
|
| 176 |
+
);
|
| 177 |
+
|
| 178 |
+
reg [3:0] timePL = 4'd0;
|
| 179 |
+
reg [3:0] timePH = 4'd0;
|
| 180 |
+
reg [3:0] timeSL = 4'd0;
|
| 181 |
+
reg [3:0] timeSH = 4'd0;
|
| 182 |
+
reg [3:0] timeML = 4'd0;
|
| 183 |
+
reg [3:0] timeMH = 4'd0;
|
| 184 |
+
reg [3:0] timeHL = 4'd0;
|
| 185 |
+
|
| 186 |
+
// Flash the low battery indicator when configured
|
| 187 |
+
localparam LB_VIS_SHOW = 2'b00;
|
| 188 |
+
localparam LB_VIS_BLINK = 2'b01;
|
| 189 |
+
localparam LB_VIS_HIDE = 2'b10;
|
| 190 |
+
localparam LB_VIS_RSVD = 2'b11;
|
| 191 |
+
|
| 192 |
+
typedef enum reg {
|
| 193 |
+
LBB_HIDE = 1'b0,
|
| 194 |
+
LBB_SHOW = 1'b1
|
| 195 |
+
} low_batt_blink_state_t;
|
| 196 |
+
|
| 197 |
+
low_batt_blink_state_t LBBState = LBB_HIDE;
|
| 198 |
+
reg showLowBatt = 0;
|
| 199 |
+
|
| 200 |
+
always@(posedge gClk) begin
|
| 201 |
+
if (runTimer && gPercentEna) begin
|
| 202 |
+
if (timePL == 4'd9) begin
|
| 203 |
+
timePH <= timePH + 1'd1;
|
| 204 |
+
timePL <= 4'd0;
|
| 205 |
+
end else begin
|
| 206 |
+
timePL <= timePL + 1'd1;
|
| 207 |
+
end
|
| 208 |
+
end
|
| 209 |
+
|
| 210 |
+
if (runTimer && gSecondEna) begin
|
| 211 |
+
timePL <= 4'd0;
|
| 212 |
+
timePH <= 4'd0;
|
| 213 |
+
if (timeSL == 4'd9) begin
|
| 214 |
+
timeSL <= 4'd0;
|
| 215 |
+
if (timeSH == 4'd5) begin
|
| 216 |
+
timeSH <= 4'd0;
|
| 217 |
+
if (timeML == 4'd9) begin
|
| 218 |
+
timeML <= 4'd0;
|
| 219 |
+
if (timeMH == 4'd5) begin
|
| 220 |
+
timeMH <= 4'd0;
|
| 221 |
+
if (timeHL == 4'd9) begin
|
| 222 |
+
timePL <= 4'd9;
|
| 223 |
+
timePH <= 4'd9;
|
| 224 |
+
timeSL <= 4'd9;
|
| 225 |
+
timeSH <= 4'd5;
|
| 226 |
+
timeML <= 4'd9;
|
| 227 |
+
timeMH <= 4'd5;
|
| 228 |
+
timeHL <= 4'd9;
|
| 229 |
+
end else begin
|
| 230 |
+
timeHL <= timeHL + 1'd1;
|
| 231 |
+
end
|
| 232 |
+
end else begin
|
| 233 |
+
timeMH <= timeMH + 1'd1;
|
| 234 |
+
end
|
| 235 |
+
end else begin
|
| 236 |
+
timeML <= timeML + 1'd1;
|
| 237 |
+
end
|
| 238 |
+
end else begin
|
| 239 |
+
timeSH <= timeSH + 1'd1;
|
| 240 |
+
end
|
| 241 |
+
end else begin
|
| 242 |
+
timeSL <= timeSL + 1'd1;
|
| 243 |
+
end
|
| 244 |
+
end
|
| 245 |
+
|
| 246 |
+
if (resetTimer) begin
|
| 247 |
+
timePL <= 4'd0;
|
| 248 |
+
timePH <= 4'd0;
|
| 249 |
+
timeSL <= 4'd0;
|
| 250 |
+
timeSH <= 4'd0;
|
| 251 |
+
timeML <= 4'd0;
|
| 252 |
+
timeMH <= 4'd0;
|
| 253 |
+
timeHL <= 4'd0;
|
| 254 |
+
end
|
| 255 |
+
|
| 256 |
+
if ( lowBattDispMode == LB_VIS_BLINK ) begin
|
| 257 |
+
if (gSecondEna == 1) begin
|
| 258 |
+
case (LBBState)
|
| 259 |
+
LBB_HIDE: begin
|
| 260 |
+
LBBState <= LBB_SHOW;
|
| 261 |
+
end
|
| 262 |
+
|
| 263 |
+
LBB_SHOW: begin
|
| 264 |
+
LBBState <= LBB_HIDE;
|
| 265 |
+
end
|
| 266 |
+
endcase
|
| 267 |
+
end
|
| 268 |
+
|
| 269 |
+
showLowBatt <= (LBBState == LBB_SHOW);
|
| 270 |
+
end else if ( lowBattDispMode == LB_VIS_HIDE ) begin
|
| 271 |
+
LBBState <= LBB_HIDE;
|
| 272 |
+
showLowBatt <= 0;
|
| 273 |
+
end else begin
|
| 274 |
+
LBBState <= LBB_HIDE;
|
| 275 |
+
showLowBatt <= ((lowBattDispMode == LB_VIS_SHOW) || (lowBattDispMode == LB_VIS_RSVD));
|
| 276 |
+
end
|
| 277 |
+
|
| 278 |
+
|
| 279 |
+
end
|
| 280 |
+
|
| 281 |
+
wire [1:0] screenXNumber = (screenX >= 4 && screenX <= 6) ? (screenX - 4) :
|
| 282 |
+
(screenX >= 8 && screenX <= 8) ? (screenX - 8) :
|
| 283 |
+
(screenX >= 10 && screenX <= 13) ? (screenX - 10) :
|
| 284 |
+
(screenX >= 14 && screenX <= 17) ? (screenX - 14) :
|
| 285 |
+
(screenX >= 18 && screenX <= 18) ? (screenX - 18) :
|
| 286 |
+
(screenX >= 20 && screenX <= 23) ? (screenX - 20) :
|
| 287 |
+
(screenX >= 24 && screenX <= 27) ? (screenX - 24) :
|
| 288 |
+
(screenX >= 28 && screenX <= 28) ? (screenX - 28) :
|
| 289 |
+
(screenX >= 30 && screenX <= 33) ? (screenX - 30) :
|
| 290 |
+
(screenX >= 34 && screenX <= 37) ? (screenX - 34) :
|
| 291 |
+
2'd3;
|
| 292 |
+
|
| 293 |
+
wire [2:0] screenYNumber = (screenY >= 8 && screenY <= 12) ? (screenY - 8) :
|
| 294 |
+
3'd7;
|
| 295 |
+
|
| 296 |
+
wire [3:0] screenNumber = (screenX >= 4 && screenX <= 6) ? timeHL :
|
| 297 |
+
(screenX >= 8 && screenX <= 8) ? 4'd10 :
|
| 298 |
+
(screenX >= 10 && screenX <= 13) ? timeMH :
|
| 299 |
+
(screenX >= 14 && screenX <= 17) ? timeML :
|
| 300 |
+
(screenX >= 18 && screenX <= 18) ? 4'd10 :
|
| 301 |
+
(screenX >= 20 && screenX <= 23) ? timeSH :
|
| 302 |
+
(screenX >= 24 && screenX <= 27) ? timeSL :
|
| 303 |
+
(screenX >= 28 && screenX <= 28) ? 4'd11 :
|
| 304 |
+
(screenX >= 30 && screenX <= 33) ? timePH :
|
| 305 |
+
(screenX >= 34 && screenX <= 37) ? timePL :
|
| 306 |
+
4'd15;
|
| 307 |
+
|
| 308 |
+
overlayTimerNumber u_overlayTimerNumber
|
| 309 |
+
(
|
| 310 |
+
.screenX (screenXNumber),
|
| 311 |
+
.screenY (screenYNumber),
|
| 312 |
+
.number (screenNumber),
|
| 313 |
+
.overlayActive (overlayActive_TimerNumber)
|
| 314 |
+
);
|
| 315 |
+
|
| 316 |
+
|
| 317 |
+
|
| 318 |
+
wire [1:0] debugXNumber = (screenX >= 0 && screenX <= 3) ? (screenX - 0) :
|
| 319 |
+
(screenX >= 4 && screenX <= 7) ? (screenX - 4) :
|
| 320 |
+
(screenX >= 8 && screenX <= 11) ? (screenX - 8) :
|
| 321 |
+
(screenX >= 12 && screenX <= 15) ? (screenX - 12) :
|
| 322 |
+
(screenX >= 16 && screenX <= 19) ? (screenX - 16) :
|
| 323 |
+
(screenX >= 20 && screenX <= 23) ? (screenX - 20) :
|
| 324 |
+
(screenX >= 24 && screenX <= 27) ? (screenX - 24) :
|
| 325 |
+
(screenX >= 28 && screenX <= 31) ? (screenX - 28) :
|
| 326 |
+
2'd3;
|
| 327 |
+
|
| 328 |
+
wire [2:0] debugYNumber = (screenY >= 136) ? (screenY - 136) :
|
| 329 |
+
3'd7;
|
| 330 |
+
|
| 331 |
+
wire [3:0] debugNumber = (screenX >= 0 && screenX <= 3) ? debug_system[31:28] :
|
| 332 |
+
(screenX >= 4 && screenX <= 7) ? debug_system[27:24] :
|
| 333 |
+
(screenX >= 8 && screenX <= 11) ? debug_system[23:20] :
|
| 334 |
+
(screenX >= 12 && screenX <= 15) ? debug_system[19:16] :
|
| 335 |
+
(screenX >= 16 && screenX <= 19) ? debug_system[15:12] :
|
| 336 |
+
(screenX >= 20 && screenX <= 23) ? debug_system[11: 8] :
|
| 337 |
+
(screenX >= 24 && screenX <= 27) ? debug_system[ 7: 4] :
|
| 338 |
+
(screenX >= 28 && screenX <= 31) ? debug_system[ 3: 0] :
|
| 339 |
+
4'd15;
|
| 340 |
+
|
| 341 |
+
overlayDebug u_overlayDebug
|
| 342 |
+
(
|
| 343 |
+
.screenX (debugXNumber),
|
| 344 |
+
.screenY (debugYNumber),
|
| 345 |
+
.number (debugNumber),
|
| 346 |
+
.overlayActive (overlayActive_debug)
|
| 347 |
+
);
|
| 348 |
+
|
| 349 |
+
|
| 350 |
+
wire osdTransparent = (hWrBurstQ2 == 16'hF81F) ? 1'd1 : 1'd0;
|
| 351 |
+
|
| 352 |
+
always@(posedge hClk)
|
| 353 |
+
begin
|
| 354 |
+
overlayColor <= {hWrBurstQ2[4:0],hWrBurstQ2[0],hWrBurstQ2[10:6],hWrBurstQ2[6],hWrBurstQ2[15:11],hWrBurstQ2[11]};
|
| 355 |
+
overlayActive <= hDrawOSD & ~osdTransparent;
|
| 356 |
+
overlayCrush <= hDrawOSD & osdTransparent;
|
| 357 |
+
|
| 358 |
+
if (~hDrawOSD) begin
|
| 359 |
+
if (debug_system_on && overlayActive_debug) begin
|
| 360 |
+
overlayColor <= {6'h00, 6'h00, 6'h00}; // black
|
| 361 |
+
overlayActive <= 1'b1;
|
| 362 |
+
end else if (debug_system_on && screenX <= 31 && screenY >= 136) begin
|
| 363 |
+
overlayColor <= {6'h3F, 6'h3F, 6'h3F}; // white
|
| 364 |
+
overlayActive <= 1'b1;
|
| 365 |
+
end else if (voltageLow && showLowBatt && overlayActive_batteryFront) begin
|
| 366 |
+
overlayColor <= {6'h00, 6'h00, 6'h3F}; // red
|
| 367 |
+
overlayActive <= 1'b1;
|
| 368 |
+
end else if (showTimer && (overlayActive_TimerFront || overlayActive_TimerNumber)) begin
|
| 369 |
+
overlayColor <= {6'h3F, 6'h3F, 6'h3F}; // white
|
| 370 |
+
overlayActive <= 1'b1;
|
| 371 |
+
end else if ((voltageLow && showLowBatt && overlayActive_batteryBack) || (showTimer && overlayActive_TimerBack)) begin
|
| 372 |
+
overlayCrush <= 1'b1;
|
| 373 |
+
end
|
| 374 |
+
end
|
| 375 |
+
end
|
| 376 |
+
|
| 377 |
+
// High = Blue
|
| 378 |
+
// Mid = Green
|
| 379 |
+
// LSBs == Red
|
| 380 |
+
|
| 381 |
+
wire hValidCorrected;
|
| 382 |
+
wire hHsyncCorrected;
|
| 383 |
+
wire hVsyncCorrected;
|
| 384 |
+
wire [17:0] hColorPixelCorrected;
|
| 385 |
+
wire [17:0] hColorPixelUVCCorrected;
|
| 386 |
+
|
| 387 |
+
color_correction u_color_correction(
|
| 388 |
+
.hClk(hClk),
|
| 389 |
+
.hValid(gb_lcd_clkena),
|
| 390 |
+
.hHsync(gb_lcd_mode[1]),
|
| 391 |
+
.hVsync(gb_lcd_vsync),
|
| 392 |
+
.hCorrectLCD(colorCorrectionEnableLCD),
|
| 393 |
+
.hCorrectUVC(colorCorrectionEnableUVC),
|
| 394 |
+
.hColorPixel(psel),
|
| 395 |
+
.hValidCorrected(hValidCorrected),
|
| 396 |
+
.hHsyncCorrected(hHsyncCorrected),
|
| 397 |
+
.hVsyncCorrected(hVsyncCorrected),
|
| 398 |
+
.hColorPixelCorrected(hColorPixelCorrected),
|
| 399 |
+
.hColorPixelUVCCorrected(hColorPixelUVCCorrected)
|
| 400 |
+
);
|
| 401 |
+
|
| 402 |
+
wire [17:0] hColorPixelLCD = overlayCrush ? {2'd0,hColorPixelCorrected[17:14],2'd0,hColorPixelCorrected[11:8],2'd0,hColorPixelCorrected[5:2]} :
|
| 403 |
+
overlayActive ? overlayColor : hColorPixelCorrected;
|
| 404 |
+
|
| 405 |
+
wire [17:0] hColorPixelUVC = overlayCrush ? {2'd0,hColorPixelUVCCorrected[17:14],2'd0,hColorPixelUVCCorrected[11:8],2'd0,hColorPixelUVCCorrected[5:2]} :
|
| 406 |
+
overlayActive ? overlayColor : hColorPixelUVCCorrected;
|
| 407 |
+
|
| 408 |
+
ST7785_panel_master u_ST7785_panel_master(
|
| 409 |
+
.gClk(gClk),
|
| 410 |
+
.nRST(LCD_INIT_DONE),
|
| 411 |
+
.hClk(hClk),
|
| 412 |
+
.hValid(hValidCorrected),
|
| 413 |
+
.hHsync(hHsyncCorrected),
|
| 414 |
+
.hVsync(hVsyncCorrected),
|
| 415 |
+
.hColorPixel(hColorPixelLCD),
|
| 416 |
+
.hColorPixelUVC(hColorPixelUVC),
|
| 417 |
+
|
| 418 |
+
.lcd_on(gb_lcd_on),
|
| 419 |
+
.LCD_EN(LCD_EN),
|
| 420 |
+
.LCD_DE(LCD_ENABLE),
|
| 421 |
+
.LCD_HSYNC(LCD_HSYNC),
|
| 422 |
+
.LCD_VSYNC(LCD_VSYNC),
|
| 423 |
+
.LCD_GENLOCK(LCD_GENLOCK),
|
| 424 |
+
.LCD_DB(LCD_DB),
|
| 425 |
+
.LCD_ENABLE_UVC(LCD_ENABLE_UVC),
|
| 426 |
+
.LCD_DB_UVC(LCD_DB_UVC)
|
| 427 |
+
);
|
| 428 |
+
|
| 429 |
+
endmodule
|
| 430 |
+
|
| 431 |
+
module color_correction(
|
| 432 |
+
input hClk,
|
| 433 |
+
|
| 434 |
+
input hCorrectLCD,
|
| 435 |
+
input hCorrectUVC,
|
| 436 |
+
|
| 437 |
+
input hValid,
|
| 438 |
+
input hHsync,
|
| 439 |
+
input hVsync,
|
| 440 |
+
input [17:0] hColorPixel,
|
| 441 |
+
|
| 442 |
+
output reg hValidCorrected,
|
| 443 |
+
output reg hHsyncCorrected,
|
| 444 |
+
output reg hVsyncCorrected,
|
| 445 |
+
output reg [17:0] hColorPixelCorrected,
|
| 446 |
+
output reg [17:0] hColorPixelUVCCorrected
|
| 447 |
+
);
|
| 448 |
+
|
| 449 |
+
wire [5:0] red = hColorPixel[5:0];
|
| 450 |
+
wire [5:0] green = hColorPixel[11:6];
|
| 451 |
+
wire [5:0] blue = hColorPixel[17:12];
|
| 452 |
+
|
| 453 |
+
wire [9:0] r10 = (red * 'd13) + (green * 'd2) + blue; // 999
|
| 454 |
+
wire [7:0] g8 = (green * 'd3) + blue; // 252
|
| 455 |
+
wire [9:0] b10 = (red * 'd3) + (green * 'd2) + (blue * 'd11); // 1008
|
| 456 |
+
|
| 457 |
+
wire [15:0] rlcd1 = red[5:1] * 'd216 + green[5:1] * 'd30;
|
| 458 |
+
wire [15:0] rlcd2 = blue[5:1] * 'd25;
|
| 459 |
+
wire [15:0] rlcd3 = ( rlcd1 < rlcd2 ) ? 'd0 : rlcd1 - rlcd2;
|
| 460 |
+
wire [15:0] glcd = red[5:1] * 'd39 + green[5:1] * 'd137 + blue[5:1] * 'd24;//620 + 1054 + 217 = 1891
|
| 461 |
+
wire [15:0] blcd = red[5:1] * 'd21 + green[5:1] * 'd24 + blue[5:1] * 'd125;//620 + 1054 + 217 = 1891
|
| 462 |
+
|
| 463 |
+
wire [5:0] blcdc = blcd[13] ? 6'h3F : blcd[12:7];
|
| 464 |
+
wire [5:0] glcdc = glcd[13] ? 6'h3F : glcd[12:7];
|
| 465 |
+
wire [5:0] rlcdc = rlcd3[13] ? 6'h3F : rlcd3[12:7];
|
| 466 |
+
|
| 467 |
+
always@(posedge hClk)
|
| 468 |
+
begin
|
| 469 |
+
hValidCorrected <= hValid;
|
| 470 |
+
hHsyncCorrected <= hHsync;
|
| 471 |
+
hVsyncCorrected <= hVsync;
|
| 472 |
+
hColorPixelCorrected <= ~hCorrectLCD ? {blue, green, red} : {blcdc, glcdc, rlcdc};
|
| 473 |
+
hColorPixelUVCCorrected <= ~hCorrectUVC ? {blue, green, red} : {b10[9:4], g8[7:2], r10[9:4]};
|
| 474 |
+
end
|
| 475 |
+
|
| 476 |
+
endmodule
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/vid_system_top.v
ADDED
|
@@ -0,0 +1,484 @@
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| 1 |
+
// vid_system_top.v
|
| 2 |
+
|
| 3 |
+
module vid_system_top #(parameter ISSIMU=0)
|
| 4 |
+
(
|
| 5 |
+
input gClk,
|
| 6 |
+
input hClk,
|
| 7 |
+
input pClk,
|
| 8 |
+
input reset,
|
| 9 |
+
|
| 10 |
+
input BTN_MENU,
|
| 11 |
+
output reg slideOutActive,
|
| 12 |
+
|
| 13 |
+
output [5:0] LCD_DB,
|
| 14 |
+
output LCD_ENABLE_UVC,
|
| 15 |
+
output [17:0] LCD_DB_UVC,
|
| 16 |
+
output LCD_DOTCLK,
|
| 17 |
+
output LCD_ENABLE,
|
| 18 |
+
output LCD_HSYNC,
|
| 19 |
+
output LCD_RESET,
|
| 20 |
+
output LCD_SPI_CSX,
|
| 21 |
+
output LCD_SPI_SCLK,
|
| 22 |
+
output LCD_SPI_SDA,
|
| 23 |
+
input LCD_TE,
|
| 24 |
+
input LCD_EN,
|
| 25 |
+
output LCD_GENLOCK,
|
| 26 |
+
output LCD_VSYNC,
|
| 27 |
+
|
| 28 |
+
input frameBlendEnable,
|
| 29 |
+
input colorCorrectionEnableLCD,
|
| 30 |
+
input colorCorrectionEnableUVC,
|
| 31 |
+
input voltageLow,
|
| 32 |
+
input [1:0] lowBattDispMode,
|
| 33 |
+
input showTimer,
|
| 34 |
+
input runTimer,
|
| 35 |
+
input resetTimer,
|
| 36 |
+
input gSecondEna,
|
| 37 |
+
input gPercentEna,
|
| 38 |
+
input [31:0] debug_system,
|
| 39 |
+
input debug_system_on,
|
| 40 |
+
|
| 41 |
+
output hGBNewLine,
|
| 42 |
+
output reg [22:0] hGBAddress,
|
| 43 |
+
output hGBWrite,
|
| 44 |
+
output [15:0] hGBData,
|
| 45 |
+
|
| 46 |
+
output hValid,
|
| 47 |
+
output hHsync,
|
| 48 |
+
output hVsync,
|
| 49 |
+
input [15:0] hWrBurstQ,
|
| 50 |
+
input [15:0] hWrBurstQ2,
|
| 51 |
+
output reg hDrawOSD,
|
| 52 |
+
|
| 53 |
+
output LCD_INIT_DONE,
|
| 54 |
+
input gb_lcd_clkena,
|
| 55 |
+
input [14:0] gb_lcd_data,
|
| 56 |
+
input [1:0] gb_lcd_mode,
|
| 57 |
+
input gb_lcd_on,
|
| 58 |
+
input gb_lcd_vsync
|
| 59 |
+
|
| 60 |
+
);
|
| 61 |
+
|
| 62 |
+
ODDR u_ODDR(
|
| 63 |
+
.Q0(LCD_DOTCLK),
|
| 64 |
+
.Q1(),
|
| 65 |
+
.D0(1'd1),
|
| 66 |
+
.D1(1'd0),
|
| 67 |
+
.TX(1'd1),
|
| 68 |
+
.CLK(gClk)
|
| 69 |
+
);
|
| 70 |
+
|
| 71 |
+
|
| 72 |
+
ST7785_init #(ISSIMU)
|
| 73 |
+
u_ST7785_init(
|
| 74 |
+
.clk(pClk),
|
| 75 |
+
.reset(reset),
|
| 76 |
+
.LCD_CS(LCD_SPI_CSX),
|
| 77 |
+
.LCD_SCK(LCD_SPI_SCLK),
|
| 78 |
+
.LCD_SDA_SDI(LCD_SPI_SDA),
|
| 79 |
+
.LCD_RST(LCD_RESET),
|
| 80 |
+
.LCD_INIT_DONE(LCD_INIT_DONE)
|
| 81 |
+
);
|
| 82 |
+
|
| 83 |
+
wire [14:0] hColorPixel;
|
| 84 |
+
assign hHsync = gb_lcd_mode[1];
|
| 85 |
+
assign hVsync = gb_lcd_vsync;
|
| 86 |
+
|
| 87 |
+
|
| 88 |
+
reg hHsync_r1;
|
| 89 |
+
reg hVsync_r1;
|
| 90 |
+
always@(posedge hClk)
|
| 91 |
+
begin
|
| 92 |
+
hHsync_r1 <= hHsync;
|
| 93 |
+
hVsync_r1 <= hVsync;
|
| 94 |
+
end
|
| 95 |
+
|
| 96 |
+
reg hGBFrameBufferNum;
|
| 97 |
+
always@(posedge hClk)
|
| 98 |
+
begin
|
| 99 |
+
if(hVsync&~hVsync_r1)
|
| 100 |
+
begin
|
| 101 |
+
hGBAddress <= 23'h10000;
|
| 102 |
+
end
|
| 103 |
+
else
|
| 104 |
+
if(hGBNewLine&~hVsync)
|
| 105 |
+
hGBAddress <= hGBAddress + 'd320;
|
| 106 |
+
end
|
| 107 |
+
|
| 108 |
+
assign hGBWrite = gb_lcd_clkena;
|
| 109 |
+
assign hGBNewLine = ~hHsync&hHsync_r1;
|
| 110 |
+
assign hGBData = {1'd0, gb_lcd_data[14:0]};
|
| 111 |
+
|
| 112 |
+
reg [7:0] screenX;
|
| 113 |
+
reg [7:0] screenY;
|
| 114 |
+
always@(posedge hClk) begin
|
| 115 |
+
if (hHsync&~hHsync_r1) begin
|
| 116 |
+
screenX <= 8'd0;
|
| 117 |
+
screenY <= screenY + 1'd1;
|
| 118 |
+
end else if (gb_lcd_clkena) begin
|
| 119 |
+
screenX <= screenX + 1'd1;
|
| 120 |
+
end
|
| 121 |
+
|
| 122 |
+
if(hVsync&~hVsync_r1) begin
|
| 123 |
+
hDrawOSD <= ~BTN_MENU;
|
| 124 |
+
screenY <= 8'd0;
|
| 125 |
+
end
|
| 126 |
+
end
|
| 127 |
+
|
| 128 |
+
/* 50% blend
|
| 129 |
+
wire [6:0] sum_r = {hWrBurstQ[4:0],1'd0} + {gb_lcd_data[4:0],1'd0};
|
| 130 |
+
wire [6:0] sum_g = {hWrBurstQ[9:5],1'd0} + {gb_lcd_data[9:5],1'd0};
|
| 131 |
+
wire [6:0] sum_b = {hWrBurstQ[14:10],1'd0} + {gb_lcd_data[14:10],1'd0};
|
| 132 |
+
*/
|
| 133 |
+
/* 25% blend
|
| 134 |
+
*/
|
| 135 |
+
wire [6:0] sum_r = hWrBurstQ[4:0] + {gb_lcd_data[4:0],1'd0} + gb_lcd_data[4:0];
|
| 136 |
+
wire [6:0] sum_g = hWrBurstQ[9:5] + {gb_lcd_data[9:5],1'd0} + gb_lcd_data[9:5];
|
| 137 |
+
wire [6:0] sum_b = hWrBurstQ[14:10] + {gb_lcd_data[14:10],1'd0} + gb_lcd_data[14:10];
|
| 138 |
+
/* 12.5% blend
|
| 139 |
+
*/
|
| 140 |
+
wire [5:0] game_r = frameBlendEnable ? sum_r[6:1] : {gb_lcd_data[4:0],1'b0};
|
| 141 |
+
wire [5:0] game_g = frameBlendEnable ? sum_g[6:1] : {gb_lcd_data[9:5],1'b0};
|
| 142 |
+
wire [5:0] game_b = frameBlendEnable ? sum_b[6:1] : {gb_lcd_data[14:10],1'b0};
|
| 143 |
+
|
| 144 |
+
wire [17:0] psel = {game_b,game_g,game_r};
|
| 145 |
+
|
| 146 |
+
// OSD and overlay
|
| 147 |
+
reg [17:0] overlayColor;
|
| 148 |
+
reg overlayActive;
|
| 149 |
+
reg overlayCrush;
|
| 150 |
+
|
| 151 |
+
wire overlayActive_batteryFront;
|
| 152 |
+
wire overlayActive_batteryBack;
|
| 153 |
+
wire overlayActive_TimerFront;
|
| 154 |
+
wire overlayActive_TimerBack;
|
| 155 |
+
wire overlayActive_TimerNumber;
|
| 156 |
+
wire overlayActive_debug;
|
| 157 |
+
|
| 158 |
+
overlayBatteryFront u_overlayBatteryFront
|
| 159 |
+
(
|
| 160 |
+
.screenX (screenX),
|
| 161 |
+
.screenY (screenY),
|
| 162 |
+
.overlayActive (overlayActive_batteryFront)
|
| 163 |
+
);
|
| 164 |
+
|
| 165 |
+
overlayBatteryBack u_overlayBatteryBack
|
| 166 |
+
(
|
| 167 |
+
.screenX (screenX),
|
| 168 |
+
.screenY (screenY),
|
| 169 |
+
.overlayActive (overlayActive_batteryBack)
|
| 170 |
+
);
|
| 171 |
+
|
| 172 |
+
overlayTimerFront u_overlayTimerFront
|
| 173 |
+
(
|
| 174 |
+
.screenX (screenX),
|
| 175 |
+
.screenY (screenY),
|
| 176 |
+
.overlayActive (overlayActive_TimerFront)
|
| 177 |
+
);
|
| 178 |
+
|
| 179 |
+
overlayTimerBack u_overlayTimerBack
|
| 180 |
+
(
|
| 181 |
+
.screenX (screenX),
|
| 182 |
+
.screenY (screenY),
|
| 183 |
+
.overlayActive (overlayActive_TimerBack)
|
| 184 |
+
);
|
| 185 |
+
|
| 186 |
+
reg [3:0] timePL = 4'd0;
|
| 187 |
+
reg [3:0] timePH = 4'd0;
|
| 188 |
+
reg [3:0] timeSL = 4'd0;
|
| 189 |
+
reg [3:0] timeSH = 4'd0;
|
| 190 |
+
reg [3:0] timeML = 4'd0;
|
| 191 |
+
reg [3:0] timeMH = 4'd0;
|
| 192 |
+
reg [3:0] timeHL = 4'd0;
|
| 193 |
+
|
| 194 |
+
// Flash the low battery indicator when configured
|
| 195 |
+
localparam LB_VIS_SHOW = 2'b00;
|
| 196 |
+
localparam LB_VIS_BLINK = 2'b01;
|
| 197 |
+
localparam LB_VIS_HIDE = 2'b10;
|
| 198 |
+
localparam LB_VIS_RSVD = 2'b11;
|
| 199 |
+
|
| 200 |
+
typedef enum reg {
|
| 201 |
+
LBB_HIDE = 1'b0,
|
| 202 |
+
LBB_SHOW = 1'b1
|
| 203 |
+
} low_batt_blink_state_t;
|
| 204 |
+
|
| 205 |
+
low_batt_blink_state_t LBBState = LBB_HIDE;
|
| 206 |
+
reg showLowBatt = 0;
|
| 207 |
+
|
| 208 |
+
always@(posedge gClk) begin
|
| 209 |
+
if (runTimer && gPercentEna) begin
|
| 210 |
+
if (timePL == 4'd9) begin
|
| 211 |
+
timePH <= timePH + 1'd1;
|
| 212 |
+
timePL <= 4'd0;
|
| 213 |
+
end else begin
|
| 214 |
+
timePL <= timePL + 1'd1;
|
| 215 |
+
end
|
| 216 |
+
end
|
| 217 |
+
|
| 218 |
+
if (runTimer && gSecondEna) begin
|
| 219 |
+
timePL <= 4'd0;
|
| 220 |
+
timePH <= 4'd0;
|
| 221 |
+
if (timeSL == 4'd9) begin
|
| 222 |
+
timeSL <= 4'd0;
|
| 223 |
+
if (timeSH == 4'd5) begin
|
| 224 |
+
timeSH <= 4'd0;
|
| 225 |
+
if (timeML == 4'd9) begin
|
| 226 |
+
timeML <= 4'd0;
|
| 227 |
+
if (timeMH == 4'd5) begin
|
| 228 |
+
timeMH <= 4'd0;
|
| 229 |
+
if (timeHL == 4'd9) begin
|
| 230 |
+
timePL <= 4'd9;
|
| 231 |
+
timePH <= 4'd9;
|
| 232 |
+
timeSL <= 4'd9;
|
| 233 |
+
timeSH <= 4'd5;
|
| 234 |
+
timeML <= 4'd9;
|
| 235 |
+
timeMH <= 4'd5;
|
| 236 |
+
timeHL <= 4'd9;
|
| 237 |
+
end else begin
|
| 238 |
+
timeHL <= timeHL + 1'd1;
|
| 239 |
+
end
|
| 240 |
+
end else begin
|
| 241 |
+
timeMH <= timeMH + 1'd1;
|
| 242 |
+
end
|
| 243 |
+
end else begin
|
| 244 |
+
timeML <= timeML + 1'd1;
|
| 245 |
+
end
|
| 246 |
+
end else begin
|
| 247 |
+
timeSH <= timeSH + 1'd1;
|
| 248 |
+
end
|
| 249 |
+
end else begin
|
| 250 |
+
timeSL <= timeSL + 1'd1;
|
| 251 |
+
end
|
| 252 |
+
end
|
| 253 |
+
|
| 254 |
+
if (resetTimer) begin
|
| 255 |
+
timePL <= 4'd0;
|
| 256 |
+
timePH <= 4'd0;
|
| 257 |
+
timeSL <= 4'd0;
|
| 258 |
+
timeSH <= 4'd0;
|
| 259 |
+
timeML <= 4'd0;
|
| 260 |
+
timeMH <= 4'd0;
|
| 261 |
+
timeHL <= 4'd0;
|
| 262 |
+
end
|
| 263 |
+
|
| 264 |
+
if ( lowBattDispMode == LB_VIS_BLINK ) begin
|
| 265 |
+
if (gSecondEna == 1) begin
|
| 266 |
+
case (LBBState)
|
| 267 |
+
LBB_HIDE: begin
|
| 268 |
+
LBBState <= LBB_SHOW;
|
| 269 |
+
end
|
| 270 |
+
|
| 271 |
+
LBB_SHOW: begin
|
| 272 |
+
LBBState <= LBB_HIDE;
|
| 273 |
+
end
|
| 274 |
+
endcase
|
| 275 |
+
end
|
| 276 |
+
|
| 277 |
+
showLowBatt <= (LBBState == LBB_SHOW);
|
| 278 |
+
end else if ( lowBattDispMode == LB_VIS_HIDE ) begin
|
| 279 |
+
LBBState <= LBB_HIDE;
|
| 280 |
+
showLowBatt <= 0;
|
| 281 |
+
end else begin
|
| 282 |
+
LBBState <= LBB_HIDE;
|
| 283 |
+
showLowBatt <= ((lowBattDispMode == LB_VIS_SHOW) || (lowBattDispMode == LB_VIS_RSVD));
|
| 284 |
+
end
|
| 285 |
+
|
| 286 |
+
|
| 287 |
+
end
|
| 288 |
+
|
| 289 |
+
wire [1:0] screenXNumber = (screenX >= 4 && screenX <= 6) ? (screenX - 4) :
|
| 290 |
+
(screenX >= 8 && screenX <= 8) ? (screenX - 8) :
|
| 291 |
+
(screenX >= 10 && screenX <= 13) ? (screenX - 10) :
|
| 292 |
+
(screenX >= 14 && screenX <= 17) ? (screenX - 14) :
|
| 293 |
+
(screenX >= 18 && screenX <= 18) ? (screenX - 18) :
|
| 294 |
+
(screenX >= 20 && screenX <= 23) ? (screenX - 20) :
|
| 295 |
+
(screenX >= 24 && screenX <= 27) ? (screenX - 24) :
|
| 296 |
+
(screenX >= 28 && screenX <= 28) ? (screenX - 28) :
|
| 297 |
+
(screenX >= 30 && screenX <= 33) ? (screenX - 30) :
|
| 298 |
+
(screenX >= 34 && screenX <= 37) ? (screenX - 34) :
|
| 299 |
+
2'd3;
|
| 300 |
+
|
| 301 |
+
wire [2:0] screenYNumber = (screenY >= 8 && screenY <= 12) ? (screenY - 8) :
|
| 302 |
+
3'd7;
|
| 303 |
+
|
| 304 |
+
wire [3:0] screenNumber = (screenX >= 4 && screenX <= 6) ? timeHL :
|
| 305 |
+
(screenX >= 8 && screenX <= 8) ? 4'd10 :
|
| 306 |
+
(screenX >= 10 && screenX <= 13) ? timeMH :
|
| 307 |
+
(screenX >= 14 && screenX <= 17) ? timeML :
|
| 308 |
+
(screenX >= 18 && screenX <= 18) ? 4'd10 :
|
| 309 |
+
(screenX >= 20 && screenX <= 23) ? timeSH :
|
| 310 |
+
(screenX >= 24 && screenX <= 27) ? timeSL :
|
| 311 |
+
(screenX >= 28 && screenX <= 28) ? 4'd11 :
|
| 312 |
+
(screenX >= 30 && screenX <= 33) ? timePH :
|
| 313 |
+
(screenX >= 34 && screenX <= 37) ? timePL :
|
| 314 |
+
4'd15;
|
| 315 |
+
|
| 316 |
+
overlayTimerNumber u_overlayTimerNumber
|
| 317 |
+
(
|
| 318 |
+
.screenX (screenXNumber),
|
| 319 |
+
.screenY (screenYNumber),
|
| 320 |
+
.number (screenNumber),
|
| 321 |
+
.overlayActive (overlayActive_TimerNumber)
|
| 322 |
+
);
|
| 323 |
+
|
| 324 |
+
|
| 325 |
+
|
| 326 |
+
wire [1:0] debugXNumber = (screenX >= 0 && screenX <= 3) ? (screenX - 0) :
|
| 327 |
+
(screenX >= 4 && screenX <= 7) ? (screenX - 4) :
|
| 328 |
+
(screenX >= 8 && screenX <= 11) ? (screenX - 8) :
|
| 329 |
+
(screenX >= 12 && screenX <= 15) ? (screenX - 12) :
|
| 330 |
+
(screenX >= 16 && screenX <= 19) ? (screenX - 16) :
|
| 331 |
+
(screenX >= 20 && screenX <= 23) ? (screenX - 20) :
|
| 332 |
+
(screenX >= 24 && screenX <= 27) ? (screenX - 24) :
|
| 333 |
+
(screenX >= 28 && screenX <= 31) ? (screenX - 28) :
|
| 334 |
+
2'd3;
|
| 335 |
+
|
| 336 |
+
wire [2:0] debugYNumber = (screenY >= 136) ? (screenY - 136) :
|
| 337 |
+
3'd7;
|
| 338 |
+
|
| 339 |
+
wire [3:0] debugNumber = (screenX >= 0 && screenX <= 3) ? debug_system[31:28] :
|
| 340 |
+
(screenX >= 4 && screenX <= 7) ? debug_system[27:24] :
|
| 341 |
+
(screenX >= 8 && screenX <= 11) ? debug_system[23:20] :
|
| 342 |
+
(screenX >= 12 && screenX <= 15) ? debug_system[19:16] :
|
| 343 |
+
(screenX >= 16 && screenX <= 19) ? debug_system[15:12] :
|
| 344 |
+
(screenX >= 20 && screenX <= 23) ? debug_system[11: 8] :
|
| 345 |
+
(screenX >= 24 && screenX <= 27) ? debug_system[ 7: 4] :
|
| 346 |
+
(screenX >= 28 && screenX <= 31) ? debug_system[ 3: 0] :
|
| 347 |
+
4'd15;
|
| 348 |
+
|
| 349 |
+
overlayDebug u_overlayDebug
|
| 350 |
+
(
|
| 351 |
+
.screenX (debugXNumber),
|
| 352 |
+
.screenY (debugYNumber),
|
| 353 |
+
.number (debugNumber),
|
| 354 |
+
.overlayActive (overlayActive_debug)
|
| 355 |
+
);
|
| 356 |
+
|
| 357 |
+
|
| 358 |
+
wire osdTransparent = (hWrBurstQ2 == 16'hF81F) ? 1'd1 : 1'd0;
|
| 359 |
+
|
| 360 |
+
always@(posedge hClk)
|
| 361 |
+
begin
|
| 362 |
+
overlayColor <= {hWrBurstQ2[4:0],hWrBurstQ2[0],hWrBurstQ2[10:6],hWrBurstQ2[6],hWrBurstQ2[15:11],hWrBurstQ2[11]};
|
| 363 |
+
overlayActive <= hDrawOSD & ~osdTransparent;
|
| 364 |
+
overlayCrush <= hDrawOSD & osdTransparent;
|
| 365 |
+
|
| 366 |
+
if (~hDrawOSD) begin
|
| 367 |
+
if (debug_system_on && overlayActive_debug) begin
|
| 368 |
+
overlayColor <= {6'h00, 6'h00, 6'h00}; // black
|
| 369 |
+
overlayActive <= 1'b1;
|
| 370 |
+
end else if (debug_system_on && screenX <= 31 && screenY >= 136) begin
|
| 371 |
+
overlayColor <= {6'h3F, 6'h3F, 6'h3F}; // white
|
| 372 |
+
overlayActive <= 1'b1;
|
| 373 |
+
end else if (voltageLow && showLowBatt && overlayActive_batteryFront) begin
|
| 374 |
+
overlayColor <= {6'h00, 6'h00, 6'h3F}; // red
|
| 375 |
+
overlayActive <= 1'b1;
|
| 376 |
+
end else if (showTimer && (overlayActive_TimerFront || overlayActive_TimerNumber)) begin
|
| 377 |
+
overlayColor <= {6'h3F, 6'h3F, 6'h3F}; // white
|
| 378 |
+
overlayActive <= 1'b1;
|
| 379 |
+
end else if ((voltageLow && showLowBatt && overlayActive_batteryBack) || (showTimer && overlayActive_TimerBack)) begin
|
| 380 |
+
overlayCrush <= 1'b1;
|
| 381 |
+
end
|
| 382 |
+
end
|
| 383 |
+
end
|
| 384 |
+
|
| 385 |
+
// High = Blue
|
| 386 |
+
// Mid = Green
|
| 387 |
+
// LSBs == Red
|
| 388 |
+
|
| 389 |
+
wire hValidCorrected;
|
| 390 |
+
wire hHsyncCorrected;
|
| 391 |
+
wire hVsyncCorrected;
|
| 392 |
+
wire [17:0] hColorPixelCorrected;
|
| 393 |
+
wire [17:0] hColorPixelUVCCorrected;
|
| 394 |
+
|
| 395 |
+
color_correction u_color_correction(
|
| 396 |
+
.hClk(hClk),
|
| 397 |
+
.hValid(gb_lcd_clkena),
|
| 398 |
+
.hHsync(gb_lcd_mode[1]),
|
| 399 |
+
.hVsync(gb_lcd_vsync),
|
| 400 |
+
.hCorrectLCD(colorCorrectionEnableLCD),
|
| 401 |
+
.hCorrectUVC(colorCorrectionEnableUVC),
|
| 402 |
+
.hColorPixel(psel),
|
| 403 |
+
.hValidCorrected(hValidCorrected),
|
| 404 |
+
.hHsyncCorrected(hHsyncCorrected),
|
| 405 |
+
.hVsyncCorrected(hVsyncCorrected),
|
| 406 |
+
.hColorPixelCorrected(hColorPixelCorrected),
|
| 407 |
+
.hColorPixelUVCCorrected(hColorPixelUVCCorrected)
|
| 408 |
+
);
|
| 409 |
+
|
| 410 |
+
wire [17:0] hColorPixelLCD = overlayCrush ? {2'd0,hColorPixelCorrected[17:14],2'd0,hColorPixelCorrected[11:8],2'd0,hColorPixelCorrected[5:2]} :
|
| 411 |
+
overlayActive ? overlayColor : hColorPixelCorrected;
|
| 412 |
+
|
| 413 |
+
wire [17:0] hColorPixelUVC = overlayCrush ? {2'd0,hColorPixelUVCCorrected[17:14],2'd0,hColorPixelUVCCorrected[11:8],2'd0,hColorPixelUVCCorrected[5:2]} :
|
| 414 |
+
overlayActive ? overlayColor : hColorPixelUVCCorrected;
|
| 415 |
+
|
| 416 |
+
ST7785_panel_master u_ST7785_panel_master(
|
| 417 |
+
.gClk(gClk),
|
| 418 |
+
.nRST(LCD_INIT_DONE),
|
| 419 |
+
.hClk(hClk),
|
| 420 |
+
.hValid(hValidCorrected),
|
| 421 |
+
.hHsync(hHsyncCorrected),
|
| 422 |
+
.hVsync(hVsyncCorrected),
|
| 423 |
+
.hColorPixel(hColorPixelLCD),
|
| 424 |
+
.hColorPixelUVC(hColorPixelUVC),
|
| 425 |
+
|
| 426 |
+
.lcd_on(gb_lcd_on),
|
| 427 |
+
.LCD_EN(LCD_EN),
|
| 428 |
+
.LCD_DE(LCD_ENABLE),
|
| 429 |
+
.LCD_HSYNC(LCD_HSYNC),
|
| 430 |
+
.LCD_VSYNC(LCD_VSYNC),
|
| 431 |
+
.LCD_GENLOCK(LCD_GENLOCK),
|
| 432 |
+
.LCD_DB(LCD_DB),
|
| 433 |
+
.LCD_ENABLE_UVC(LCD_ENABLE_UVC),
|
| 434 |
+
.LCD_DB_UVC(LCD_DB_UVC)
|
| 435 |
+
);
|
| 436 |
+
|
| 437 |
+
endmodule
|
| 438 |
+
|
| 439 |
+
module color_correction(
|
| 440 |
+
input hClk,
|
| 441 |
+
|
| 442 |
+
input hCorrectLCD,
|
| 443 |
+
input hCorrectUVC,
|
| 444 |
+
|
| 445 |
+
input hValid,
|
| 446 |
+
input hHsync,
|
| 447 |
+
input hVsync,
|
| 448 |
+
input [17:0] hColorPixel,
|
| 449 |
+
|
| 450 |
+
output reg hValidCorrected,
|
| 451 |
+
output reg hHsyncCorrected,
|
| 452 |
+
output reg hVsyncCorrected,
|
| 453 |
+
output reg [17:0] hColorPixelCorrected,
|
| 454 |
+
output reg [17:0] hColorPixelUVCCorrected
|
| 455 |
+
);
|
| 456 |
+
|
| 457 |
+
wire [5:0] red = hColorPixel[5:0];
|
| 458 |
+
wire [5:0] green = hColorPixel[11:6];
|
| 459 |
+
wire [5:0] blue = hColorPixel[17:12];
|
| 460 |
+
|
| 461 |
+
wire [9:0] r10 = (red * 'd13) + (green * 'd2) + blue; // 999
|
| 462 |
+
wire [7:0] g8 = (green * 'd3) + blue; // 252
|
| 463 |
+
wire [9:0] b10 = (red * 'd3) + (green * 'd2) + (blue * 'd11); // 1008
|
| 464 |
+
|
| 465 |
+
wire [15:0] rlcd1 = red[5:1] * 'd216 + green[5:1] * 'd30;
|
| 466 |
+
wire [15:0] rlcd2 = blue[5:1] * 'd25;
|
| 467 |
+
wire [15:0] rlcd3 = ( rlcd1 < rlcd2 ) ? 'd0 : rlcd1 - rlcd2;
|
| 468 |
+
wire [15:0] glcd = red[5:1] * 'd39 + green[5:1] * 'd137 + blue[5:1] * 'd24;//620 + 1054 + 217 = 1891
|
| 469 |
+
wire [15:0] blcd = red[5:1] * 'd21 + green[5:1] * 'd24 + blue[5:1] * 'd125;//620 + 1054 + 217 = 1891
|
| 470 |
+
|
| 471 |
+
wire [5:0] blcdc = blcd[13] ? 6'h3F : blcd[12:7];
|
| 472 |
+
wire [5:0] glcdc = glcd[13] ? 6'h3F : glcd[12:7];
|
| 473 |
+
wire [5:0] rlcdc = rlcd3[13] ? 6'h3F : rlcd3[12:7];
|
| 474 |
+
|
| 475 |
+
always@(posedge hClk)
|
| 476 |
+
begin
|
| 477 |
+
hValidCorrected <= hValid;
|
| 478 |
+
hHsyncCorrected <= hHsync;
|
| 479 |
+
hVsyncCorrected <= hVsync;
|
| 480 |
+
hColorPixelCorrected <= ~hCorrectLCD ? {blue, green, red} : {blcdc, glcdc, rlcdc};
|
| 481 |
+
hColorPixelUVCCorrected <= ~hCorrectUVC ? {blue, green, red} : {b10[9:4], g8[7:2], r10[9:4]};
|
| 482 |
+
end
|
| 483 |
+
|
| 484 |
+
endmodule
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/BSP/vid_tpg.v
ADDED
|
@@ -0,0 +1,69 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
// vid_tpg.v
|
| 2 |
+
|
| 3 |
+
module vid_tpg(
|
| 4 |
+
input hclk,
|
| 5 |
+
input reset,
|
| 6 |
+
output reg [14:0] color_pixel,
|
| 7 |
+
output reg vs,
|
| 8 |
+
output reg hs,
|
| 9 |
+
output reg valid,
|
| 10 |
+
|
| 11 |
+
output reg hGBNewLine,
|
| 12 |
+
output reg [22:0] hGBAddress,
|
| 13 |
+
output reg hGBWrite
|
| 14 |
+
);
|
| 15 |
+
|
| 16 |
+
reg [11:0] xcounter;
|
| 17 |
+
reg [11:0] ycounter;
|
| 18 |
+
reg [1:0] frameCnt;
|
| 19 |
+
|
| 20 |
+
always@(posedge hclk) begin : Timing
|
| 21 |
+
hGBWrite <= 1'b0;
|
| 22 |
+
hGBNewLine <= 1'b0;
|
| 23 |
+
|
| 24 |
+
if(reset)
|
| 25 |
+
begin
|
| 26 |
+
xcounter <= 'd0;
|
| 27 |
+
ycounter <= 'd0;
|
| 28 |
+
frameCnt <= 'd0;
|
| 29 |
+
end
|
| 30 |
+
else
|
| 31 |
+
begin
|
| 32 |
+
if(xcounter < 1824-1)
|
| 33 |
+
xcounter <= xcounter + 1'd1;
|
| 34 |
+
else
|
| 35 |
+
begin
|
| 36 |
+
hGBAddress <= hGBAddress + 320;
|
| 37 |
+
xcounter <= 'd0;
|
| 38 |
+
if(ycounter < 154)
|
| 39 |
+
ycounter <= ycounter + 1'd1;
|
| 40 |
+
else begin
|
| 41 |
+
ycounter <= 'd0;
|
| 42 |
+
frameCnt <= frameCnt + 1;
|
| 43 |
+
if (frameCnt == 2) frameCnt <= 'd0;
|
| 44 |
+
hGBAddress <= 23'h010000;
|
| 45 |
+
end
|
| 46 |
+
end
|
| 47 |
+
end
|
| 48 |
+
|
| 49 |
+
if (valid)
|
| 50 |
+
hGBWrite <= 1'b1;
|
| 51 |
+
|
| 52 |
+
if (xcounter == 640 && ycounter < 144)
|
| 53 |
+
hGBNewLine <= 1'b1;
|
| 54 |
+
end
|
| 55 |
+
|
| 56 |
+
always@(posedge hclk)
|
| 57 |
+
begin
|
| 58 |
+
case (frameCnt)
|
| 59 |
+
0 : color_pixel <= {5'b0, 5'b0, ycounter[4:0]};//gb_lcd_data;
|
| 60 |
+
1 : color_pixel <= {5'b0, ycounter[4:0], 5'b0};//gb_lcd_data;
|
| 61 |
+
2 : color_pixel <= {ycounter[4:0], 5'b0, 5'b0};//gb_lcd_data;
|
| 62 |
+
endcase
|
| 63 |
+
|
| 64 |
+
vs <= ycounter == 12'd153;//gb_lcd_vsync;
|
| 65 |
+
hs <= xcounter < 1006;//gb_lcd_mode[1];
|
| 66 |
+
valid <= (xcounter >= 1) && (xcounter <= 640) && xcounter[0] && xcounter[1] && (ycounter < 144);//gb_lcd_clkena;
|
| 67 |
+
end
|
| 68 |
+
|
| 69 |
+
endmodule
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/EMU/CORE/BootROMs/README.md
ADDED
|
@@ -0,0 +1,9 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
# Building the BootROM
|
| 2 |
+
|
| 3 |
+
1. Install RGBDS v0.6 (see https://rgbds.gbdev.io/)
|
| 4 |
+
|
| 5 |
+
2. Ensure that RGBDS is on your path.
|
| 6 |
+
|
| 7 |
+
3. Run `make && make bootroms && make clean`
|
| 8 |
+
|
| 9 |
+
Note: The BootROM is restricted to 2048 bytes to limit impact on BlockRAM.
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/EMU/CORE/BootROMs/cgb_boot_hex.txt
ADDED
|
@@ -0,0 +1,128 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
31 FE FF CD B4 04 26 FE 0E A0 22 0D 20 FC 0E 10
|
| 2 |
+
21 30 FF 22 2F 0D 20 FB E0 C1 E0 80 3E 80 E0 26
|
| 3 |
+
E0 11 3E F3 E0 12 E0 25 3E 77 E0 24 3E FC E0 47
|
| 4 |
+
11 04 01 21 10 80 1A 47 CD 88 04 13 7B FE 34 20
|
| 5 |
+
F5 CD 1D 05 3E 01 E0 4F CD B4 04 CD 64 07 CC E1
|
| 6 |
+
04 06 03 21 C2 98 16 03 3E 08 0E 10 CD 7B 00 82
|
| 7 |
+
0D 20 F9 D6 2F D5 11 10 00 19 D1 05 20 EC 15 28
|
| 8 |
+
17 15 3E 37 2E A7 01 01 01 18 E1 F5 3E 01 E0 4F
|
| 9 |
+
36 08 AF E0 4F F1 22 C9 11 76 04 0E 08 21 81 FF
|
| 10 |
+
AF 2F 22 22 CD 69 07 1A 13 22 1A 13 22 AF 22 22
|
| 11 |
+
22 22 0D 20 EC CD 80 06 3E 91 E0 40 CD 64 07 28
|
| 12 |
+
0C 3E 83 CD B3 04 06 05 CD AC 04 18 24 CD 2A 05
|
| 13 |
+
3E 01 E0 C2 06 01 CD AC 04 3E 83 CD B3 04 06 05
|
| 14 |
+
CD AC 04 3E C1 CD B3 04 CD A4 06 21 C2 FF 35 20
|
| 15 |
+
F7 CD 53 05 CD 5F 07 28 01 04 3E 11 18 10 D0 00
|
| 16 |
+
98 A0 12 D0 00 80 00 40 00 00 00 00 00 00 E0 50
|
| 17 |
+
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|
| 18 |
+
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|
| 19 |
+
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|
| 20 |
+
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|
| 21 |
+
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|
| 22 |
+
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|
| 23 |
+
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|
| 24 |
+
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|
| 25 |
+
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|
| 26 |
+
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|
| 27 |
+
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|
| 28 |
+
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|
| 29 |
+
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|
| 30 |
+
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|
| 31 |
+
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|
| 32 |
+
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|
| 33 |
+
00 88 16 36 D1 DB F2 3C 8C 92 3D 5C 58 C9 3E 70
|
| 34 |
+
1D 59 69 19 35 A8 14 AA 75 95 99 34 6F 15 FF 97
|
| 35 |
+
4B 90 17 10 39 F7 F6 A2 49 4E 43 68 E0 8B F0 CE
|
| 36 |
+
0C 29 E8 B7 86 9A 52 01 9D 71 9C BD 5D 6D 67 3F
|
| 37 |
+
6B B3 46 28 A5 C6 D3 27 61 18 66 6A BF 0D F4 B3
|
| 38 |
+
46 28 A5 C6 D3 27 61 18 66 6A BF 0D F4 B3 00 04
|
| 39 |
+
05 23 22 03 1F 0F 0A 05 13 24 87 25 1E 2C 15 20
|
| 40 |
+
1F 14 05 21 0D 0E 05 1D 05 12 09 03 02 1A 19 19
|
| 41 |
+
29 2A 1A 2D 2A 2D 24 26 9A 2A 1E 29 22 22 05 2A
|
| 42 |
+
06 05 21 19 2A 2A 28 02 10 19 2A 2A 05 00 27 24
|
| 43 |
+
16 19 06 20 0C 24 0B 27 12 27 18 1F 32 11 2E 06
|
| 44 |
+
1B 00 2F 29 29 00 00 13 22 17 12 1D 42 45 46 41
|
| 45 |
+
41 52 42 45 4B 45 4B 20 52 2D 55 52 41 52 20 49
|
| 46 |
+
4E 41 49 4C 49 43 45 20 52 20 20 E8 90 90 90 A0
|
| 47 |
+
A0 A0 C0 C0 C0 48 48 48 00 00 00 D8 D8 D8 28 28
|
| 48 |
+
28 60 60 60 D0 D0 D0 80 40 40 20 E0 E0 20 10 10
|
| 49 |
+
18 20 20 20 E8 E8 E0 20 E0 10 88 10 80 80 40 20
|
| 50 |
+
20 38 20 20 90 20 20 A0 98 98 48 1E 1E 58 88 88
|
| 51 |
+
10 20 20 10 20 20 18 E0 E0 00 18 18 00 00 00 08
|
| 52 |
+
90 B0 90 A0 B0 A0 C0 B0 C0 80 B0 40 88 20 68 DE
|
| 53 |
+
00 70 DE 20 78 98 B6 48 80 E0 50 20 B8 E0 88 B0
|
| 54 |
+
10 20 00 10 20 E0 18 E0 18 00 18 E0 20 A8 E0 20
|
| 55 |
+
18 E0 00 C8 18 E0 00 E0 40 20 18 E0 E0 18 30 20
|
| 56 |
+
E0 E8 FF 7F BF 32 D0 00 00 00 9F 63 79 42 B0 15
|
| 57 |
+
CB 04 FF 7F 31 6E 4A 45 00 00 FF 7F EF 1B 00 02
|
| 58 |
+
00 00 FF 7F 1F 42 F2 1C 00 00 FF 7F 94 52 4A 29
|
| 59 |
+
00 00 FF 7F FF 03 2F 01 00 00 FF 7F EF 03 D6 01
|
| 60 |
+
00 00 FF 7F B5 42 C8 3D 00 00 74 7E FF 03 80 01
|
| 61 |
+
00 00 FF 67 AC 77 13 1A 6B 2D D6 7E FF 4B 75 21
|
| 62 |
+
00 00 FF 53 5F 4A 52 7E 00 00 FF 4F D2 7E 4C 3A
|
| 63 |
+
E0 1C ED 03 FF 7F 5F 25 00 00 6A 03 1F 02 FF 03
|
| 64 |
+
FF 7F FF 7F DF 01 12 01 00 00 1F 23 5F 03 F2 00
|
| 65 |
+
09 00 FF 7F EA 03 1F 01 00 00 9F 29 1A 00 0C 00
|
| 66 |
+
00 00 FF 7F 7F 02 1F 00 00 00 FF 7F E0 03 06 02
|
| 67 |
+
20 01 FF 7F EB 7E 1F 00 00 7C FF 7F FF 3F 00 7E
|
| 68 |
+
1F 00 FF 7F FF 03 1F 00 00 00 FF 03 1F 00 0C 00
|
| 69 |
+
00 00 FF 7F 3F 03 93 01 00 00 00 00 00 42 7F 03
|
| 70 |
+
FF 7F FF 7F 8C 7E 00 7C 00 00 FF 7F EF 1B 80 61
|
| 71 |
+
00 00 03 90 0F 18 00 78 81 09 12 15 54 93 3C 42
|
| 72 |
+
B9 A5 B9 A5 42 3C FF 7F 4F 77 C7 22 9F 03 7D 01
|
| 73 |
+
1D 24 38 6D 00 55 60 6D CD 8B 04 3E 04 0E 00 CB
|
| 74 |
+
20 F5 CB 11 F1 CB 11 3D 20 F5 79 22 23 22 23 C9
|
| 75 |
+
E5 21 0F FF CB 86 CB 46 28 FC E1 C9 CD A4 06 05
|
| 76 |
+
20 FA C9 C9 21 00 80 AF 22 CB 6C 28 FA C9 CD C1
|
| 77 |
+
04 1A A1 47 1C 1C 1A 1D 1D A1 CB 37 B0 CB 41 28
|
| 78 |
+
02 CB 37 23 22 CB 31 C9 CD DB 04 CD BE 04 1C 7B
|
| 79 |
+
C9 11 00 00 21 80 80 1A 13 47 E6 0F 28 08 4F 1A
|
| 80 |
+
22 23 13 0D 20 F9 CB 30 78 E6 0F 28 0A 4F 1A 13
|
| 81 |
+
22 23 0D 20 FB 18 E0 11 04 01 0E F0 CD D8 04 C6
|
| 82 |
+
16 5F CD D8 04 D6 16 5F FE 1C 20 EE 23 11 6E 04
|
| 83 |
+
0E 08 1A 13 22 23 0D 20 F9 C9 3E 01 E0 4F 16 1A
|
| 84 |
+
06 02 CD AC 04 21 C0 98 0E 03 7E FE 0F 28 05 34
|
| 85 |
+
E6 07 28 03 23 18 F3 7D F6 1F 6F 23 0D 20 EB 15
|
| 86 |
+
20 DE C9 CD 64 07 28 05 3E C1 CD B3 04 06 20 0E
|
| 87 |
+
20 21 81 FF C5 2A 5F 3A 57 01 21 04 7B E6 1F FE
|
| 88 |
+
1F 20 01 0D 7B FE E0 38 09 7A E6 03 FE 03 20 02
|
| 89 |
+
CB A9 7A E6 7C FE 7C 20 02 CB 90 7B 81 22 7A 88
|
| 90 |
+
22 C1 0D 20 CF CD 80 06 05 20 C4 3E 02 E0 70 21
|
| 91 |
+
00 D0 CD B7 04 3C CD 94 06 CD 99 06 CD 94 06 AF
|
| 92 |
+
E0 70 2F E0 00 57 59 2E 0D FA 43 01 CB 7F CC D9
|
| 93 |
+
05 CB 7F E0 4C F0 80 47 28 02 F0 C1 AF 4F 61 C9
|
| 94 |
+
21 61 04 4F 06 00 09 7E C9 3E 01 E0 6C CD 04 06
|
| 95 |
+
CB 7F C4 47 07 CB BF 47 80 80 47 F0 C1 A7 28 05
|
| 96 |
+
CD D0 05 18 01 78 CD A0 04 CD 5B 06 3E 04 11 08
|
| 97 |
+
00 2E 7C C9 21 4B 01 7E FE 33 28 05 3D 20 42 18
|
| 98 |
+
0C 2E 44 2A FE 30 20 39 7E FE 31 20 34 2E 34 0E
|
| 99 |
+
10 AF 86 2C 0D 20 FB E0 80 47 21 00 02 7D D6 5E
|
| 100 |
+
C8 2A B8 20 F8 7D D6 42 38 0E E5 7D C6 7A 6F 7E
|
| 101 |
+
E1 4F FA 37 01 B9 20 E5 7D C6 5D 6F 78 E0 80 7E
|
| 102 |
+
C9 AF C9 21 D9 02 06 00 4F 09 C9 CD 53 06 1E 00
|
| 103 |
+
2A E5 21 72 03 4F 09 16 08 0E 6A CD 89 06 E1 CB
|
| 104 |
+
5B 20 04 1E 08 18 E9 4E 21 72 03 09 16 08 18 05
|
| 105 |
+
21 81 FF 16 40 1E 00 0E 68 3E 80 B3 E2 0C 2A E2
|
| 106 |
+
15 20 FB C9 E0 4F 21 EE 00 0E 51 06 05 2A E2 0C
|
| 107 |
+
05 20 FA C9 FA 43 01 CB 7F C0 3E 20 E0 00 F0 00
|
| 108 |
+
2F E6 0F C8 2E 00 2C 1F 30 FC 3E 10 E0 00 F0 00
|
| 109 |
+
2F 17 17 E6 0C 85 6F F0 C1 BD C8 7D E0 C1 C5 D5
|
| 110 |
+
CD D0 05 CD 53 06 2C 2C 4E 21 73 03 09 3A FE 7F
|
| 111 |
+
20 02 23 23 F5 2A E5 21 81 FF CD 3D 07 2E 83 CD
|
| 112 |
+
3D 07 E1 E0 87 2A E5 21 82 FF CD 3D 07 2E 84 CD
|
| 113 |
+
3D 07 E1 E0 88 F1 28 02 23 23 F0 BB E6 DE 47 2A
|
| 114 |
+
E6 DE 80 47 FA BC FF CB 97 4E CB 91 89 1F EA BC
|
| 115 |
+
FF 78 1F EA BB FF 2D 2A E0 BF 2A E0 C0 2A E0 85
|
| 116 |
+
2A E0 86 CD 80 06 3E 30 E0 C2 D1 C1 C9 11 08 00
|
| 117 |
+
4B 77 19 0D 20 FB C9 F5 3E 19 EA 10 99 21 2F 99
|
| 118 |
+
0E 0C 3D 28 08 32 0D 20 F9 2E 0F 18 F5 F1 C9 F0
|
| 119 |
+
50 CB 47 C9 3E 02 CB 4F C9 E5 CD 5F 07 28 09 21
|
| 120 |
+
84 04 7B BD 20 02 13 13 E1 C9 00 00 00 00 00 00
|
| 121 |
+
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|
| 122 |
+
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|
| 123 |
+
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|
| 124 |
+
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|
| 125 |
+
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|
| 126 |
+
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|
| 127 |
+
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|
| 128 |
+
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/EMU/CORE/T80/GBse.vhd
ADDED
|
@@ -0,0 +1,266 @@
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|
|
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|
|
|
|
|
|
|
|
|
| 1 |
+
-- ****
|
| 2 |
+
-- T80(b) core. In an effort to merge and maintain bug fixes ....
|
| 3 |
+
--
|
| 4 |
+
--
|
| 5 |
+
-- Ver 300 started tidyup
|
| 6 |
+
-- MikeJ March 2005
|
| 7 |
+
-- Latest version from www.fpgaarcade.com (original www.opencores.org)
|
| 8 |
+
--
|
| 9 |
+
-- ****
|
| 10 |
+
--
|
| 11 |
+
-- Z80 compatible microprocessor core, synchronous top level with clock enable
|
| 12 |
+
-- Different timing than the original z80
|
| 13 |
+
-- Inputs needs to be synchronous and outputs may glitch
|
| 14 |
+
--
|
| 15 |
+
-- Version : 0240
|
| 16 |
+
--
|
| 17 |
+
-- Copyright (c) 2001-2002 Daniel Wallner (jesus@opencores.org)
|
| 18 |
+
--
|
| 19 |
+
-- All rights reserved
|
| 20 |
+
--
|
| 21 |
+
-- Redistribution and use in source and synthezised forms, with or without
|
| 22 |
+
-- modification, are permitted provided that the following conditions are met:
|
| 23 |
+
--
|
| 24 |
+
-- Redistributions of source code must retain the above copyright notice,
|
| 25 |
+
-- this list of conditions and the following disclaimer.
|
| 26 |
+
--
|
| 27 |
+
-- Redistributions in synthesized form must reproduce the above copyright
|
| 28 |
+
-- notice, this list of conditions and the following disclaimer in the
|
| 29 |
+
-- documentation and/or other materials provided with the distribution.
|
| 30 |
+
--
|
| 31 |
+
-- Neither the name of the author nor the names of other contributors may
|
| 32 |
+
-- be used to endorse or promote products derived from this software without
|
| 33 |
+
-- specific prior written permission.
|
| 34 |
+
--
|
| 35 |
+
-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
| 36 |
+
-- AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
|
| 37 |
+
-- THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
| 38 |
+
-- PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE
|
| 39 |
+
-- LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
| 40 |
+
-- CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
| 41 |
+
-- SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
| 42 |
+
-- INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
| 43 |
+
-- CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
| 44 |
+
-- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
| 45 |
+
-- POSSIBILITY OF SUCH DAMAGE.
|
| 46 |
+
--
|
| 47 |
+
-- Please report bugs to the author, but before you do so, please
|
| 48 |
+
-- make sure that this is not a derivative work and that
|
| 49 |
+
-- you have the latest version of this file.
|
| 50 |
+
--
|
| 51 |
+
-- The latest version of this file can be found at:
|
| 52 |
+
-- http://www.opencores.org/cvsweb.shtml/t80/
|
| 53 |
+
--
|
| 54 |
+
-- Limitations :
|
| 55 |
+
--
|
| 56 |
+
-- File history :
|
| 57 |
+
--
|
| 58 |
+
-- 0235 : First release
|
| 59 |
+
--
|
| 60 |
+
-- 0236 : Added T2Write generic
|
| 61 |
+
--
|
| 62 |
+
-- 0237 : Fixed T2Write with wait state
|
| 63 |
+
--
|
| 64 |
+
-- 0238 : Updated for T80 interface change
|
| 65 |
+
--
|
| 66 |
+
-- 0240 : Updated for T80 interface change
|
| 67 |
+
--
|
| 68 |
+
-- 0242 : Updated for T80 interface change
|
| 69 |
+
--
|
| 70 |
+
library IEEE;
|
| 71 |
+
use IEEE.std_logic_1164.all;
|
| 72 |
+
use IEEE.numeric_std.all;
|
| 73 |
+
use work.T80_Pack.all;
|
| 74 |
+
|
| 75 |
+
use work.pBus_savestates.all;
|
| 76 |
+
use work.pReg_savestates.all;
|
| 77 |
+
|
| 78 |
+
entity GBse is
|
| 79 |
+
generic(
|
| 80 |
+
T2Write : integer := 2; -- 0 => WR_n active in T3, 1 => WR_n active in T2, Other => WR_n active in T2+T3
|
| 81 |
+
IOWait : integer := 1 -- 0 => Single cycle I/O, 1 => Std I/O cycle
|
| 82 |
+
);
|
| 83 |
+
port(
|
| 84 |
+
RESET_n : in std_logic;
|
| 85 |
+
CLK_n : in std_logic;
|
| 86 |
+
CLKEN : in std_logic;
|
| 87 |
+
WAIT_n : in std_logic;
|
| 88 |
+
INT_n : in std_logic;
|
| 89 |
+
NMI_n : in std_logic;
|
| 90 |
+
BUSRQ_n : in std_logic;
|
| 91 |
+
M1_n : out std_logic;
|
| 92 |
+
MREQ_n : buffer std_logic;
|
| 93 |
+
IORQ_n : buffer std_logic;
|
| 94 |
+
RD_n : buffer std_logic;
|
| 95 |
+
WR_n : buffer std_logic;
|
| 96 |
+
RFSH_n : out std_logic;
|
| 97 |
+
HALT_n : out std_logic;
|
| 98 |
+
BUSAK_n : out std_logic;
|
| 99 |
+
STOP : out std_logic;
|
| 100 |
+
WRITE_CYCLE : out std_logic;
|
| 101 |
+
TSTATE1 : out std_logic;
|
| 102 |
+
TSTATE2 : out std_logic;
|
| 103 |
+
TSTATE3 : out std_logic;
|
| 104 |
+
TSTATE4 : out std_logic;
|
| 105 |
+
TSTATEo : out std_logic_vector(2 downto 0);
|
| 106 |
+
A : out std_logic_vector(15 downto 0);
|
| 107 |
+
DI : in std_logic_vector(7 downto 0);
|
| 108 |
+
DO : out std_logic_vector(7 downto 0);
|
| 109 |
+
isGBC : in std_logic; -- Gameboy Color
|
| 110 |
+
-- savestates
|
| 111 |
+
SaveStateBus_Din : in std_logic_vector(BUS_buswidth-1 downto 0);
|
| 112 |
+
SaveStateBus_Adr : in std_logic_vector(BUS_busadr-1 downto 0);
|
| 113 |
+
SaveStateBus_wren : in std_logic;
|
| 114 |
+
SaveStateBus_rst : in std_logic;
|
| 115 |
+
SaveStateBus_Dout : out std_logic_vector(BUS_buswidth-1 downto 0)
|
| 116 |
+
);
|
| 117 |
+
end GBse;
|
| 118 |
+
|
| 119 |
+
architecture rtl of GBse is
|
| 120 |
+
|
| 121 |
+
signal IntCycle_n : std_logic;
|
| 122 |
+
signal NoRead : std_logic;
|
| 123 |
+
signal Write : std_logic;
|
| 124 |
+
signal IORQ : std_logic;
|
| 125 |
+
signal DI_Reg : std_logic_vector(7 downto 0);
|
| 126 |
+
signal MCycle : std_logic_vector(2 downto 0);
|
| 127 |
+
signal TState : std_logic_vector(2 downto 0);
|
| 128 |
+
|
| 129 |
+
-- savestates
|
| 130 |
+
type t_reg_wired_or is array(0 to 1) of std_logic_vector(63 downto 0);
|
| 131 |
+
signal reg_wired_or : t_reg_wired_or;
|
| 132 |
+
|
| 133 |
+
signal SS_GBSE : std_logic_vector(REG_SAVESTATE_GBSE.upper downto REG_SAVESTATE_GBSE.lower);
|
| 134 |
+
signal SS_GBSE_BACK : std_logic_vector(REG_SAVESTATE_GBSE.upper downto REG_SAVESTATE_GBSE.lower);
|
| 135 |
+
|
| 136 |
+
begin
|
| 137 |
+
|
| 138 |
+
iREG_SAVESTATE_GBSE : entity work.eReg_Savestate generic map ( REG_SAVESTATE_GBSE ) port map (CLK_n, SaveStateBus_Din, SaveStateBus_Adr, SaveStateBus_wren, SaveStateBus_rst, reg_wired_or(0), SS_GBSE_BACK, SS_GBSE);
|
| 139 |
+
WRITE_CYCLE <= Write;
|
| 140 |
+
TSTATE1 <= '1' when TState = "001" else '0';
|
| 141 |
+
TSTATE2 <= '1' when TState = "010" else '0';
|
| 142 |
+
TSTATE3 <= '1' when TState = "011" else '0';
|
| 143 |
+
TSTATE4 <= '1' when TState = "100" else '0';
|
| 144 |
+
TSTATEo <= TState;
|
| 145 |
+
SS_GBSE_BACK(0) <= RD_n;
|
| 146 |
+
SS_GBSE_BACK(1) <= WR_n;
|
| 147 |
+
SS_GBSE_BACK(2) <= IORQ_n;
|
| 148 |
+
SS_GBSE_BACK(3) <= MREQ_n;
|
| 149 |
+
SS_GBSE_BACK(11 downto 4) <= DI_Reg;
|
| 150 |
+
|
| 151 |
+
process (reg_wired_or)
|
| 152 |
+
variable wired_or : std_logic_vector(63 downto 0);
|
| 153 |
+
begin
|
| 154 |
+
wired_or := reg_wired_or(0);
|
| 155 |
+
for i in 1 to (reg_wired_or'length - 1) loop
|
| 156 |
+
wired_or := wired_or or reg_wired_or(i);
|
| 157 |
+
end loop;
|
| 158 |
+
SaveStateBus_Dout <= wired_or;
|
| 159 |
+
end process;
|
| 160 |
+
|
| 161 |
+
u0 : T80
|
| 162 |
+
generic map
|
| 163 |
+
(
|
| 164 |
+
Mode => 3,
|
| 165 |
+
IOWait => IOWait,
|
| 166 |
+
Flag_S => 0,
|
| 167 |
+
Flag_P => 0,
|
| 168 |
+
Flag_X => 0,
|
| 169 |
+
Flag_Y => 0,
|
| 170 |
+
Flag_C => 4,
|
| 171 |
+
Flag_H => 5,
|
| 172 |
+
Flag_N => 6,
|
| 173 |
+
Flag_Z => 7
|
| 174 |
+
)
|
| 175 |
+
port map(
|
| 176 |
+
CEN => CLKEN,
|
| 177 |
+
M1_n => M1_n,
|
| 178 |
+
IORQ => IORQ,
|
| 179 |
+
NoRead => NoRead,
|
| 180 |
+
Write => Write,
|
| 181 |
+
RFSH_n => RFSH_n,
|
| 182 |
+
HALT_n => HALT_n,
|
| 183 |
+
Stop => STOP,
|
| 184 |
+
WAIT_n => Wait_n,
|
| 185 |
+
INT_n => INT_n,
|
| 186 |
+
NMI_n => NMI_n,
|
| 187 |
+
RESET_n => RESET_n,
|
| 188 |
+
BUSRQ_n => BUSRQ_n,
|
| 189 |
+
BUSAK_n => BUSAK_n,
|
| 190 |
+
CLK_n => CLK_n,
|
| 191 |
+
A => A,
|
| 192 |
+
DInst => DI,
|
| 193 |
+
DI => DI_Reg,
|
| 194 |
+
DO => DO,
|
| 195 |
+
MC => MCycle,
|
| 196 |
+
TS => TState,
|
| 197 |
+
IntCycle_n => IntCycle_n,
|
| 198 |
+
isGBC => isGBC,
|
| 199 |
+
-- savestates
|
| 200 |
+
SaveStateBus_Din => SaveStateBus_Din,
|
| 201 |
+
SaveStateBus_Adr => SaveStateBus_Adr,
|
| 202 |
+
SaveStateBus_wren => SaveStateBus_wren,
|
| 203 |
+
SaveStateBus_rst => SaveStateBus_rst,
|
| 204 |
+
SaveStateBus_Dout => reg_wired_or(1)
|
| 205 |
+
);
|
| 206 |
+
|
| 207 |
+
process (CLK_n)
|
| 208 |
+
begin
|
| 209 |
+
if CLK_n'event and CLK_n = '1' then
|
| 210 |
+
if RESET_n = '0' then
|
| 211 |
+
RD_n <= SS_GBSE(0); -- '1';
|
| 212 |
+
WR_n <= SS_GBSE(1); -- '1';
|
| 213 |
+
IORQ_n <= SS_GBSE(2); -- '1';
|
| 214 |
+
MREQ_n <= SS_GBSE(3); -- '1';
|
| 215 |
+
DI_Reg <= SS_GBSE(11 downto 4); -- "00000000";
|
| 216 |
+
elsif CLKEN = '1' then
|
| 217 |
+
RD_n <= '1';
|
| 218 |
+
WR_n <= '1';
|
| 219 |
+
IORQ_n <= '1';
|
| 220 |
+
MREQ_n <= '1';
|
| 221 |
+
if MCycle = "001" then
|
| 222 |
+
if TState = "001" or TState = "010" then
|
| 223 |
+
RD_n <= not IntCycle_n;
|
| 224 |
+
MREQ_n <= not IntCycle_n;
|
| 225 |
+
end if;
|
| 226 |
+
if TState = "011" then
|
| 227 |
+
MREQ_n <= '0';
|
| 228 |
+
end if;
|
| 229 |
+
elsif MCycle = "011" and IntCycle_n = '0' then
|
| 230 |
+
if TState = "010" then
|
| 231 |
+
IORQ_n <= '0'; -- Acknowledge IRQ
|
| 232 |
+
end if;
|
| 233 |
+
else
|
| 234 |
+
if (TState = "001" or TState = "010") and (NoRead = '0' and Write = '0') then
|
| 235 |
+
RD_n <= '0';
|
| 236 |
+
IORQ_n <= not IORQ;
|
| 237 |
+
MREQ_n <= IORQ;
|
| 238 |
+
end if;
|
| 239 |
+
if T2Write = 0 then
|
| 240 |
+
if TState = "010" and Write = '1' then
|
| 241 |
+
WR_n <= '0';
|
| 242 |
+
IORQ_n <= not IORQ;
|
| 243 |
+
MREQ_n <= IORQ;
|
| 244 |
+
end if;
|
| 245 |
+
elsif T2Write = 1 then
|
| 246 |
+
if (TState = "001" or (TState = "010" and Wait_n = '0')) and Write = '1' then
|
| 247 |
+
WR_n <= '0';
|
| 248 |
+
IORQ_n <= not IORQ;
|
| 249 |
+
MREQ_n <= IORQ;
|
| 250 |
+
end if;
|
| 251 |
+
else
|
| 252 |
+
if (TState = "001" or TState = "010") and Write = '1' then
|
| 253 |
+
WR_n <= '0';
|
| 254 |
+
IORQ_n <= not IORQ;
|
| 255 |
+
MREQ_n <= IORQ;
|
| 256 |
+
end if;
|
| 257 |
+
end if;
|
| 258 |
+
end if;
|
| 259 |
+
if TState = "011" and Wait_n = '1' then
|
| 260 |
+
DI_Reg <= DI;
|
| 261 |
+
end if;
|
| 262 |
+
end if;
|
| 263 |
+
end if;
|
| 264 |
+
end process;
|
| 265 |
+
|
| 266 |
+
end;
|
ModRetro_oss-chromatic-console-fpga/esp32t/src/rtl/EMU/CORE/T80/T80.vhd
ADDED
|
@@ -0,0 +1,1341 @@
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|
| 1 |
+
-- ****
|
| 2 |
+
-- T80(b) core. In an effort to merge and maintain bug fixes ....
|
| 3 |
+
--
|
| 4 |
+
--
|
| 5 |
+
-- Ver 303 add undocumented DDCB and FDCB opcodes by TobiFlex 20.04.2010
|
| 6 |
+
-- Ver 302 fixed IO cycle timing, tested thanks to Alessandro.
|
| 7 |
+
-- Ver 301 parity flag is just parity for 8080, also overflow for Z80, by Sean Riddle
|
| 8 |
+
-- Ver 300 started tidyup. Rmoved some auto_wait bits from 0247 which caused problems
|
| 9 |
+
--
|
| 10 |
+
-- MikeJ March 2005
|
| 11 |
+
-- Latest version from www.fpgaarcade.com (original www.opencores.org)
|
| 12 |
+
--
|
| 13 |
+
-- ****
|
| 14 |
+
--
|
| 15 |
+
-- Z80 compatible microprocessor core
|
| 16 |
+
--
|
| 17 |
+
-- Version : 0247
|
| 18 |
+
--
|
| 19 |
+
-- Copyright (c) 2001-2002 Daniel Wallner (jesus@opencores.org)
|
| 20 |
+
--
|
| 21 |
+
-- All rights reserved
|
| 22 |
+
--
|
| 23 |
+
-- Redistribution and use in source and synthezised forms, with or without
|
| 24 |
+
-- modification, are permitted provided that the following conditions are met:
|
| 25 |
+
--
|
| 26 |
+
-- Redistributions of source code must retain the above copyright notice,
|
| 27 |
+
-- this list of conditions and the following disclaimer.
|
| 28 |
+
--
|
| 29 |
+
-- Redistributions in synthesized form must reproduce the above copyright
|
| 30 |
+
-- notice, this list of conditions and the following disclaimer in the
|
| 31 |
+
-- documentation and/or other materials provided with the distribution.
|
| 32 |
+
--
|
| 33 |
+
-- Neither the name of the author nor the names of other contributors may
|
| 34 |
+
-- be used to endorse or promote products derived from this software without
|
| 35 |
+
-- specific prior written permission.
|
| 36 |
+
--
|
| 37 |
+
-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
| 38 |
+
-- AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
|
| 39 |
+
-- THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
| 40 |
+
-- PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE
|
| 41 |
+
-- LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
| 42 |
+
-- CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
| 43 |
+
-- SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
| 44 |
+
-- INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
| 45 |
+
-- CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
| 46 |
+
-- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
| 47 |
+
-- POSSIBILITY OF SUCH DAMAGE.
|
| 48 |
+
--
|
| 49 |
+
-- Please report bugs to the author, but before you do so, please
|
| 50 |
+
-- make sure that this is not a derivative work and that
|
| 51 |
+
-- you have the latest version of this file.
|
| 52 |
+
--
|
| 53 |
+
-- The latest version of this file can be found at:
|
| 54 |
+
-- http://www.opencores.org/cvsweb.shtml/t80/
|
| 55 |
+
--
|
| 56 |
+
-- Limitations :
|
| 57 |
+
--
|
| 58 |
+
-- File history :
|
| 59 |
+
--
|
| 60 |
+
-- 0208 : First complete release
|
| 61 |
+
--
|
| 62 |
+
-- 0210 : Fixed wait and halt
|
| 63 |
+
--
|
| 64 |
+
-- 0211 : Fixed Refresh addition and IM 1
|
| 65 |
+
--
|
| 66 |
+
-- 0214 : Fixed mostly flags, only the block instructions now fail the zex regression test
|
| 67 |
+
--
|
| 68 |
+
-- 0232 : Removed refresh address output for Mode > 1 and added DJNZ M1_n fix by Mike Johnson
|
| 69 |
+
--
|
| 70 |
+
-- 0235 : Added clock enable and IM 2 fix by Mike Johnson
|
| 71 |
+
--
|
| 72 |
+
-- 0237 : Changed 8080 I/O address output, added IntE output
|
| 73 |
+
--
|
| 74 |
+
-- 0238 : Fixed (IX/IY+d) timing and 16 bit ADC and SBC zero flag
|
| 75 |
+
--
|
| 76 |
+
-- 0240 : Added interrupt ack fix by Mike Johnson, changed (IX/IY+d) timing and changed flags in GB mode
|
| 77 |
+
--
|
| 78 |
+
-- 0242 : Added I/O wait, fixed refresh address, moved some registers to RAM
|
| 79 |
+
--
|
| 80 |
+
-- 0247 : Fixed bus req/ack cycle
|
| 81 |
+
--
|
| 82 |
+
|
| 83 |
+
library IEEE;
|
| 84 |
+
use IEEE.std_logic_1164.all;
|
| 85 |
+
use IEEE.numeric_std.all;
|
| 86 |
+
use work.T80_Pack.all;
|
| 87 |
+
|
| 88 |
+
use work.pBus_savestates.all;
|
| 89 |
+
use work.pReg_savestates.all;
|
| 90 |
+
|
| 91 |
+
entity T80 is
|
| 92 |
+
generic(
|
| 93 |
+
Mode : integer := 0; -- 0 => Z80, 1 => Fast Z80, 2 => 8080, 3 => GB
|
| 94 |
+
IOWait : integer := 0; -- 1 => Single cycle I/O, 1 => Std I/O cycle
|
| 95 |
+
Flag_C : integer := 0;
|
| 96 |
+
Flag_N : integer := 1;
|
| 97 |
+
Flag_P : integer := 2;
|
| 98 |
+
Flag_X : integer := 3;
|
| 99 |
+
Flag_H : integer := 4;
|
| 100 |
+
Flag_Y : integer := 5;
|
| 101 |
+
Flag_Z : integer := 6;
|
| 102 |
+
Flag_S : integer := 7
|
| 103 |
+
);
|
| 104 |
+
port(
|
| 105 |
+
RESET_n : in std_logic;
|
| 106 |
+
CLK_n : in std_logic;
|
| 107 |
+
CEN : in std_logic;
|
| 108 |
+
WAIT_n : in std_logic;
|
| 109 |
+
INT_n : in std_logic;
|
| 110 |
+
NMI_n : in std_logic;
|
| 111 |
+
BUSRQ_n : in std_logic;
|
| 112 |
+
M1_n : buffer std_logic;
|
| 113 |
+
IORQ : out std_logic;
|
| 114 |
+
NoRead : out std_logic;
|
| 115 |
+
Write : out std_logic;
|
| 116 |
+
RFSH_n : buffer std_logic;
|
| 117 |
+
HALT_n : out std_logic;
|
| 118 |
+
BUSAK_n : out std_logic;
|
| 119 |
+
A : buffer std_logic_vector(15 downto 0);
|
| 120 |
+
DInst : in std_logic_vector(7 downto 0);
|
| 121 |
+
DI : in std_logic_vector(7 downto 0);
|
| 122 |
+
DO : buffer std_logic_vector(7 downto 0);
|
| 123 |
+
MC : out std_logic_vector(2 downto 0);
|
| 124 |
+
TS : out std_logic_vector(2 downto 0);
|
| 125 |
+
IntCycle_n : out std_logic;
|
| 126 |
+
IntE : out std_logic;
|
| 127 |
+
Stop : out std_logic;
|
| 128 |
+
isGBC : in std_logic := '0'; -- Gameboy Color
|
| 129 |
+
-- savestates
|
| 130 |
+
SaveStateBus_Din : in std_logic_vector(BUS_buswidth-1 downto 0);
|
| 131 |
+
SaveStateBus_Adr : in std_logic_vector(BUS_busadr-1 downto 0);
|
| 132 |
+
SaveStateBus_wren : in std_logic;
|
| 133 |
+
SaveStateBus_rst : in std_logic;
|
| 134 |
+
SaveStateBus_Dout : out std_logic_vector(BUS_buswidth-1 downto 0)
|
| 135 |
+
);
|
| 136 |
+
end T80;
|
| 137 |
+
|
| 138 |
+
architecture rtl of T80 is
|
| 139 |
+
|
| 140 |
+
-- Registers
|
| 141 |
+
signal ACC, F : std_logic_vector(7 downto 0);
|
| 142 |
+
signal Ap, Fp : std_logic_vector(7 downto 0);
|
| 143 |
+
signal I : std_logic_vector(7 downto 0);
|
| 144 |
+
signal R : unsigned(7 downto 0);
|
| 145 |
+
signal SP, PC : unsigned(15 downto 0);
|
| 146 |
+
|
| 147 |
+
signal RegDIH : std_logic_vector(7 downto 0);
|
| 148 |
+
signal RegDIL : std_logic_vector(7 downto 0);
|
| 149 |
+
signal RegBusA : std_logic_vector(15 downto 0);
|
| 150 |
+
signal RegBusB : std_logic_vector(15 downto 0);
|
| 151 |
+
signal RegBusC : std_logic_vector(15 downto 0);
|
| 152 |
+
signal RegAddrA_r : std_logic_vector(2 downto 0);
|
| 153 |
+
signal RegAddrA : std_logic_vector(2 downto 0);
|
| 154 |
+
signal RegAddrB_r : std_logic_vector(2 downto 0);
|
| 155 |
+
signal RegAddrB : std_logic_vector(2 downto 0);
|
| 156 |
+
signal RegAddrC : std_logic_vector(2 downto 0);
|
| 157 |
+
signal RegWEH : std_logic;
|
| 158 |
+
signal RegWEL : std_logic;
|
| 159 |
+
signal Alternate : std_logic;
|
| 160 |
+
|
| 161 |
+
-- Help Registers
|
| 162 |
+
signal TmpAddr : std_logic_vector(15 downto 0); -- Temporary address register
|
| 163 |
+
signal TmpAddr2 : std_logic_vector(15 downto 0); -- Temporary address register
|
| 164 |
+
signal IR : std_logic_vector(7 downto 0); -- Instruction register
|
| 165 |
+
signal IR_muxed : std_logic_vector(7 downto 0); -- Used for Mode = 3(GB) to sample IR in TState3 instead of TState2
|
| 166 |
+
signal ISet : std_logic_vector(1 downto 0); -- Instruction set selector
|
| 167 |
+
signal RegBusA_r : std_logic_vector(15 downto 0);
|
| 168 |
+
|
| 169 |
+
signal ID16 : signed(15 downto 0);
|
| 170 |
+
signal Save_Mux : std_logic_vector(7 downto 0);
|
| 171 |
+
|
| 172 |
+
signal TState : unsigned(2 downto 0);
|
| 173 |
+
signal MCycle : std_logic_vector(2 downto 0);
|
| 174 |
+
signal IntE_FF1 : std_logic;
|
| 175 |
+
signal IntE_FF2 : std_logic;
|
| 176 |
+
signal Halt_FF : std_logic;
|
| 177 |
+
signal BusReq_s : std_logic;
|
| 178 |
+
signal BusAck : std_logic;
|
| 179 |
+
signal ClkEn : std_logic;
|
| 180 |
+
signal NMI_s : std_logic;
|
| 181 |
+
signal OldNMI_n : std_logic;
|
| 182 |
+
signal INT_s : std_logic;
|
| 183 |
+
signal IStatus : std_logic_vector(1 downto 0);
|
| 184 |
+
|
| 185 |
+
signal DI_Reg : std_logic_vector(7 downto 0);
|
| 186 |
+
signal T_Res : std_logic;
|
| 187 |
+
signal XY_State : std_logic_vector(1 downto 0);
|
| 188 |
+
signal Pre_XY_F_M : std_logic_vector(2 downto 0);
|
| 189 |
+
signal NextIs_XY_Fetch : std_logic;
|
| 190 |
+
signal XY_Ind : std_logic;
|
| 191 |
+
signal No_BTR : std_logic;
|
| 192 |
+
signal BTR_r : std_logic;
|
| 193 |
+
signal Auto_Wait : std_logic;
|
| 194 |
+
signal Auto_Wait_t1 : std_logic;
|
| 195 |
+
signal Auto_Wait_t2 : std_logic;
|
| 196 |
+
signal IncDecZ : std_logic;
|
| 197 |
+
|
| 198 |
+
-- ALU signals
|
| 199 |
+
signal BusB : std_logic_vector(7 downto 0);
|
| 200 |
+
signal BusA : std_logic_vector(7 downto 0);
|
| 201 |
+
signal ALU_Q : std_logic_vector(7 downto 0);
|
| 202 |
+
signal F_Out : std_logic_vector(7 downto 0);
|
| 203 |
+
|
| 204 |
+
-- Registered micro code outputs
|
| 205 |
+
signal Read_To_Reg_r : std_logic_vector(4 downto 0);
|
| 206 |
+
signal Arith16_r : std_logic;
|
| 207 |
+
signal Z16_r : std_logic;
|
| 208 |
+
signal ALU_Op_r : std_logic_vector(3 downto 0);
|
| 209 |
+
signal Save_ALU_r : std_logic;
|
| 210 |
+
signal PreserveC_r : std_logic;
|
| 211 |
+
signal MCycles : std_logic_vector(2 downto 0);
|
| 212 |
+
|
| 213 |
+
-- Micro code outputs
|
| 214 |
+
signal MCycles_d : std_logic_vector(2 downto 0);
|
| 215 |
+
signal TStates : std_logic_vector(2 downto 0);
|
| 216 |
+
signal IntCycle : std_logic;
|
| 217 |
+
signal NMICycle : std_logic;
|
| 218 |
+
signal Inc_PC : std_logic;
|
| 219 |
+
signal Inc_WZ : std_logic;
|
| 220 |
+
signal IncDec_16 : std_logic_vector(3 downto 0);
|
| 221 |
+
signal Prefix : std_logic_vector(1 downto 0);
|
| 222 |
+
signal Read_To_Acc : std_logic;
|
| 223 |
+
signal Read_To_Reg : std_logic;
|
| 224 |
+
signal Set_BusB_To : std_logic_vector(3 downto 0);
|
| 225 |
+
signal Set_BusA_To : std_logic_vector(3 downto 0);
|
| 226 |
+
signal ALU_Op : std_logic_vector(3 downto 0);
|
| 227 |
+
signal Save_ALU : std_logic;
|
| 228 |
+
signal Rot_Akku : std_logic;
|
| 229 |
+
signal PreserveC : std_logic;
|
| 230 |
+
signal Arith16 : std_logic;
|
| 231 |
+
signal Set_Addr_To : std_logic_vector(2 downto 0);
|
| 232 |
+
signal Jump : std_logic;
|
| 233 |
+
signal JumpE : std_logic;
|
| 234 |
+
signal JumpXY : std_logic;
|
| 235 |
+
signal Call : std_logic;
|
| 236 |
+
signal RstP : std_logic;
|
| 237 |
+
signal LDZ : std_logic;
|
| 238 |
+
signal LDW : std_logic;
|
| 239 |
+
signal LDSPHL : std_logic;
|
| 240 |
+
signal LDHLSP : std_logic;
|
| 241 |
+
signal ADDSPdd : std_logic;
|
| 242 |
+
signal IORQ_i : std_logic;
|
| 243 |
+
signal Special_LD : std_logic_vector(2 downto 0);
|
| 244 |
+
signal ExchangeDH : std_logic;
|
| 245 |
+
signal ExchangeRp : std_logic;
|
| 246 |
+
signal ExchangeAF : std_logic;
|
| 247 |
+
signal ExchangeRS : std_logic;
|
| 248 |
+
signal I_DJNZ : std_logic;
|
| 249 |
+
signal I_CPL : std_logic;
|
| 250 |
+
signal I_CCF : std_logic;
|
| 251 |
+
signal I_SCF : std_logic;
|
| 252 |
+
signal I_RETN : std_logic;
|
| 253 |
+
signal I_BT : std_logic;
|
| 254 |
+
signal I_BC : std_logic;
|
| 255 |
+
signal I_BTR : std_logic;
|
| 256 |
+
signal I_RLD : std_logic;
|
| 257 |
+
signal I_RRD : std_logic;
|
| 258 |
+
signal I_INRC : std_logic;
|
| 259 |
+
signal SetDI : std_logic;
|
| 260 |
+
signal SetEI : std_logic;
|
| 261 |
+
signal IMode : std_logic_vector(1 downto 0);
|
| 262 |
+
signal Halt : std_logic;
|
| 263 |
+
signal XYbit_undoc : std_logic;
|
| 264 |
+
|
| 265 |
+
signal updateIR : std_logic; -- Used for Mode = 3(GB) to sample IR in TState3 instead of TState2
|
| 266 |
+
|
| 267 |
+
-- savestates
|
| 268 |
+
type t_reg_wired_or is array(0 to 4) of std_logic_vector(63 downto 0);
|
| 269 |
+
signal reg_wired_or : t_reg_wired_or;
|
| 270 |
+
|
| 271 |
+
signal SS_1 : std_logic_vector(REG_SAVESTATE_T80_1.upper downto REG_SAVESTATE_T80_1.lower);
|
| 272 |
+
signal SS_1_BACK : std_logic_vector(REG_SAVESTATE_T80_1.upper downto REG_SAVESTATE_T80_1.lower);
|
| 273 |
+
signal SS_2 : std_logic_vector(REG_SAVESTATE_T80_2.upper downto REG_SAVESTATE_T80_2.lower);
|
| 274 |
+
signal SS_2_BACK : std_logic_vector(REG_SAVESTATE_T80_2.upper downto REG_SAVESTATE_T80_2.lower);
|
| 275 |
+
signal SS_3 : std_logic_vector(REG_SAVESTATE_T80_3.upper downto REG_SAVESTATE_T80_3.lower);
|
| 276 |
+
signal SS_3_BACK : std_logic_vector(REG_SAVESTATE_T80_3.upper downto REG_SAVESTATE_T80_3.lower);
|
| 277 |
+
signal SS_4 : std_logic_vector(REG_SAVESTATE_T80_4.upper downto REG_SAVESTATE_T80_4.lower);
|
| 278 |
+
signal SS_4_BACK : std_logic_vector(REG_SAVESTATE_T80_4.upper downto REG_SAVESTATE_T80_4.lower);
|
| 279 |
+
|
| 280 |
+
begin
|
| 281 |
+
|
| 282 |
+
iREG_SAVESTATE_T80_1 : entity work.eReg_Savestate generic map ( REG_SAVESTATE_T80_1 ) port map (CLK_n, SaveStateBus_Din, SaveStateBus_Adr, SaveStateBus_wren, SaveStateBus_rst, reg_wired_or(1), SS_1_BACK, SS_1);
|
| 283 |
+
iREG_SAVESTATE_T80_2 : entity work.eReg_Savestate generic map ( REG_SAVESTATE_T80_2 ) port map (CLK_n, SaveStateBus_Din, SaveStateBus_Adr, SaveStateBus_wren, SaveStateBus_rst, reg_wired_or(2), SS_2_BACK, SS_2);
|
| 284 |
+
iREG_SAVESTATE_T80_3 : entity work.eReg_Savestate generic map ( REG_SAVESTATE_T80_3 ) port map (CLK_n, SaveStateBus_Din, SaveStateBus_Adr, SaveStateBus_wren, SaveStateBus_rst, reg_wired_or(3), SS_3_BACK, SS_3);
|
| 285 |
+
iREG_SAVESTATE_T80_4 : entity work.eReg_Savestate generic map ( REG_SAVESTATE_T80_4 ) port map (CLK_n, SaveStateBus_Din, SaveStateBus_Adr, SaveStateBus_wren, SaveStateBus_rst, reg_wired_or(4), SS_4_BACK, SS_4);
|
| 286 |
+
|
| 287 |
+
process (reg_wired_or)
|
| 288 |
+
variable wired_or : std_logic_vector(63 downto 0);
|
| 289 |
+
begin
|
| 290 |
+
wired_or := reg_wired_or(0);
|
| 291 |
+
for i in 1 to (reg_wired_or'length - 1) loop
|
| 292 |
+
wired_or := wired_or or reg_wired_or(i);
|
| 293 |
+
end loop;
|
| 294 |
+
SaveStateBus_Dout <= wired_or;
|
| 295 |
+
end process;
|
| 296 |
+
|
| 297 |
+
mcode : T80_MCode
|
| 298 |
+
generic map(
|
| 299 |
+
Mode => Mode,
|
| 300 |
+
Flag_C => Flag_C,
|
| 301 |
+
Flag_N => Flag_N,
|
| 302 |
+
Flag_P => Flag_P,
|
| 303 |
+
Flag_X => Flag_X,
|
| 304 |
+
Flag_H => Flag_H,
|
| 305 |
+
Flag_Y => Flag_Y,
|
| 306 |
+
Flag_Z => Flag_Z,
|
| 307 |
+
Flag_S => Flag_S)
|
| 308 |
+
port map(
|
| 309 |
+
IR => IR_muxed,
|
| 310 |
+
ISet => ISet,
|
| 311 |
+
MCycle => MCycle,
|
| 312 |
+
F => F,
|
| 313 |
+
NMICycle => NMICycle,
|
| 314 |
+
IntCycle => IntCycle,
|
| 315 |
+
XY_State => XY_State,
|
| 316 |
+
MCycles => MCycles_d,
|
| 317 |
+
TStates => TStates,
|
| 318 |
+
Prefix => Prefix,
|
| 319 |
+
Inc_PC => Inc_PC,
|
| 320 |
+
Inc_WZ => Inc_WZ,
|
| 321 |
+
IncDec_16 => IncDec_16,
|
| 322 |
+
Read_To_Acc => Read_To_Acc,
|
| 323 |
+
Read_To_Reg => Read_To_Reg,
|
| 324 |
+
Set_BusB_To => Set_BusB_To,
|
| 325 |
+
Set_BusA_To => Set_BusA_To,
|
| 326 |
+
ALU_Op => ALU_Op,
|
| 327 |
+
Save_ALU => Save_ALU,
|
| 328 |
+
Rot_Akku => Rot_Akku,
|
| 329 |
+
PreserveC => PreserveC,
|
| 330 |
+
Arith16 => Arith16,
|
| 331 |
+
Set_Addr_To => Set_Addr_To,
|
| 332 |
+
IORQ => IORQ_i,
|
| 333 |
+
Jump => Jump,
|
| 334 |
+
JumpE => JumpE,
|
| 335 |
+
JumpXY => JumpXY,
|
| 336 |
+
Call => Call,
|
| 337 |
+
RstP => RstP,
|
| 338 |
+
LDZ => LDZ,
|
| 339 |
+
LDW => LDW,
|
| 340 |
+
LDSPHL => LDSPHL,
|
| 341 |
+
LDHLSP => LDHLSP,
|
| 342 |
+
ADDSPdd => ADDSPdd,
|
| 343 |
+
Special_LD => Special_LD,
|
| 344 |
+
ExchangeDH => ExchangeDH,
|
| 345 |
+
ExchangeRp => ExchangeRp,
|
| 346 |
+
ExchangeAF => ExchangeAF,
|
| 347 |
+
ExchangeRS => ExchangeRS,
|
| 348 |
+
I_DJNZ => I_DJNZ,
|
| 349 |
+
I_CPL => I_CPL,
|
| 350 |
+
I_CCF => I_CCF,
|
| 351 |
+
I_SCF => I_SCF,
|
| 352 |
+
I_RETN => I_RETN,
|
| 353 |
+
I_BT => I_BT,
|
| 354 |
+
I_BC => I_BC,
|
| 355 |
+
I_BTR => I_BTR,
|
| 356 |
+
I_RLD => I_RLD,
|
| 357 |
+
I_RRD => I_RRD,
|
| 358 |
+
I_INRC => I_INRC,
|
| 359 |
+
SetDI => SetDI,
|
| 360 |
+
SetEI => SetEI,
|
| 361 |
+
IMode => IMode,
|
| 362 |
+
Halt => Halt,
|
| 363 |
+
NoRead => NoRead,
|
| 364 |
+
Write => Write,
|
| 365 |
+
XYbit_undoc => XYbit_undoc);
|
| 366 |
+
|
| 367 |
+
alu : T80_ALU
|
| 368 |
+
generic map(
|
| 369 |
+
Mode => Mode,
|
| 370 |
+
Flag_C => Flag_C,
|
| 371 |
+
Flag_N => Flag_N,
|
| 372 |
+
Flag_P => Flag_P,
|
| 373 |
+
Flag_X => Flag_X,
|
| 374 |
+
Flag_H => Flag_H,
|
| 375 |
+
Flag_Y => Flag_Y,
|
| 376 |
+
Flag_Z => Flag_Z,
|
| 377 |
+
Flag_S => Flag_S)
|
| 378 |
+
port map(
|
| 379 |
+
Arith16 => Arith16_r,
|
| 380 |
+
Z16 => Z16_r,
|
| 381 |
+
ALU_Op => ALU_Op_r,
|
| 382 |
+
Rot_Akku => Rot_Akku,
|
| 383 |
+
IR => IR_muxed(5 downto 0),
|
| 384 |
+
ISet => ISet,
|
| 385 |
+
BusA => BusA,
|
| 386 |
+
BusB => BusB,
|
| 387 |
+
F_In => F,
|
| 388 |
+
Q => ALU_Q,
|
| 389 |
+
F_Out => F_Out);
|
| 390 |
+
|
| 391 |
+
ClkEn <= CEN and not BusAck;
|
| 392 |
+
|
| 393 |
+
T_Res <= '1' when TState = unsigned(TStates) else '0';
|
| 394 |
+
|
| 395 |
+
NextIs_XY_Fetch <= '1' when XY_State /= "00" and XY_Ind = '0' and
|
| 396 |
+
((Set_Addr_To = aXY) or
|
| 397 |
+
(MCycle = "001" and IR = "11001011") or
|
| 398 |
+
(MCycle = "001" and IR = "00110110")) else '0';
|
| 399 |
+
|
| 400 |
+
Save_Mux <= BusB when ExchangeRp = '1' else
|
| 401 |
+
DI_Reg when Save_ALU_r = '0' else
|
| 402 |
+
ALU_Q;
|
| 403 |
+
|
| 404 |
+
|
| 405 |
+
SS_1_BACK(15 downto 0) <= std_logic_vector(PC);
|
| 406 |
+
SS_1_BACK(31 downto 16) <= A ;
|
| 407 |
+
SS_1_BACK(47 downto 32) <= TmpAddr ;
|
| 408 |
+
SS_1_BACK(55 downto 48) <= IR ;
|
| 409 |
+
SS_1_BACK(57 downto 56) <= ISet ;
|
| 410 |
+
SS_1_BACK(59 downto 58) <= XY_State;
|
| 411 |
+
SS_1_BACK(61 downto 60) <= IStatus ;
|
| 412 |
+
|
| 413 |
+
SS_2_BACK( 7 downto 0) <= DO;
|
| 414 |
+
SS_2_BACK(15 downto 8) <= ACC;
|
| 415 |
+
SS_2_BACK(23 downto 16) <= Ap;
|
| 416 |
+
SS_2_BACK(31 downto 24) <= Fp;
|
| 417 |
+
SS_2_BACK(39 downto 32) <= I ;
|
| 418 |
+
SS_2_BACK(47 downto 40) <= std_logic_vector(R);
|
| 419 |
+
SS_2_BACK(50 downto 48) <= MCycles;
|
| 420 |
+
|
| 421 |
+
SS_3_BACK(15 downto 0) <= std_logic_vector(SP);
|
| 422 |
+
SS_3_BACK(20 downto 16) <= Read_To_Reg_r;
|
| 423 |
+
SS_3_BACK(28 downto 21) <= F ;
|
| 424 |
+
SS_3_BACK(29) <= Arith16_r ;
|
| 425 |
+
SS_3_BACK(30) <= BTR_r ;
|
| 426 |
+
SS_3_BACK(31) <= Z16_r ;
|
| 427 |
+
SS_3_BACK(35 downto 32) <= ALU_Op_r ;
|
| 428 |
+
SS_3_BACK(36) <= Save_ALU_r ;
|
| 429 |
+
SS_3_BACK(37) <= PreserveC_r ;
|
| 430 |
+
SS_3_BACK(38) <= XY_Ind ;
|
| 431 |
+
|
| 432 |
+
IR_muxed <= DInst when (updateIR = '1') else IR;
|
| 433 |
+
|
| 434 |
+
process (CLK_n)
|
| 435 |
+
variable temp_c : unsigned(8 downto 0);
|
| 436 |
+
variable temp_h : unsigned(4 downto 0);
|
| 437 |
+
begin
|
| 438 |
+
if CLK_n'event and CLK_n = '1' then
|
| 439 |
+
if RESET_n = '0' then
|
| 440 |
+
|
| 441 |
+
PC <= unsigned(SS_1(15 downto 0)); -- (others => '0'); -- Program Counter
|
| 442 |
+
A <= SS_1(31 downto 16); -- (others => '0');
|
| 443 |
+
TmpAddr <= SS_1(47 downto 32); -- (others => '0');
|
| 444 |
+
IR <= SS_1(55 downto 48); -- "00000000";
|
| 445 |
+
ISet <= SS_1(57 downto 56); -- "00";
|
| 446 |
+
XY_State <= SS_1(59 downto 58); -- "00";
|
| 447 |
+
IStatus <= SS_1(61 downto 60); -- "00";
|
| 448 |
+
MCycles <= SS_2(50 downto 48); -- "000";
|
| 449 |
+
DO <= SS_2( 7 downto 0); -- "00000000";
|
| 450 |
+
|
| 451 |
+
ACC <= SS_2(15 downto 8); -- (others => '0');
|
| 452 |
+
if Mode = 3 then -- this is what Gameboy should be using, but it's ignored because overwritten down below, why?
|
| 453 |
+
F <= "11110000";
|
| 454 |
+
else
|
| 455 |
+
F <= (others => '1');
|
| 456 |
+
end if;
|
| 457 |
+
Ap <= SS_2(23 downto 16); -- (others => '1');
|
| 458 |
+
Fp <= SS_2(31 downto 24); -- (others => '1');
|
| 459 |
+
I <= SS_2(39 downto 32); -- (others => '0');
|
| 460 |
+
R <= unsigned(SS_2(47 downto 40)); -- (others => '0');
|
| 461 |
+
SP <= unsigned(SS_3(15 downto 0)); -- (others => '1');
|
| 462 |
+
Alternate <= '0'; -- unused in gameboy
|
| 463 |
+
|
| 464 |
+
Read_To_Reg_r <= SS_3(20 downto 16); -- "00000";
|
| 465 |
+
F <= SS_3(28 downto 21); -- (others => '1');
|
| 466 |
+
Arith16_r <= SS_3(29); -- '0';
|
| 467 |
+
BTR_r <= SS_3(30); -- '0';
|
| 468 |
+
Z16_r <= SS_3(31); -- '0';
|
| 469 |
+
ALU_Op_r <= SS_3(35 downto 32); -- "0000";
|
| 470 |
+
Save_ALU_r <= SS_3(36); -- '0';
|
| 471 |
+
PreserveC_r <= SS_3(37); -- '0';
|
| 472 |
+
XY_Ind <= SS_3(38); -- '0';
|
| 473 |
+
|
| 474 |
+
updateIR <= '0';
|
| 475 |
+
|
| 476 |
+
elsif ClkEn = '1' then
|
| 477 |
+
|
| 478 |
+
updateIR <= '0';
|
| 479 |
+
if (updateIR = '1') then
|
| 480 |
+
IR <= DInst;
|
| 481 |
+
end if;
|
| 482 |
+
|
| 483 |
+
ALU_Op_r <= "0000";
|
| 484 |
+
Save_ALU_r <= '0';
|
| 485 |
+
Read_To_Reg_r <= "00000";
|
| 486 |
+
|
| 487 |
+
MCycles <= MCycles_d;
|
| 488 |
+
|
| 489 |
+
if LDHLSP = '1' and MCycle = "011" and TState = 1 then
|
| 490 |
+
temp_c := unsigned('0'&SP(7 downto 0))+unsigned('0'&Save_Mux);
|
| 491 |
+
temp_h := unsigned('0'&SP(3 downto 0))+unsigned('0'&Save_Mux(3 downto 0));
|
| 492 |
+
F(Flag_Z) <= '0';
|
| 493 |
+
F(Flag_N) <= '0';
|
| 494 |
+
F(Flag_H) <= temp_h(4);
|
| 495 |
+
F(Flag_C) <= temp_c(8);
|
| 496 |
+
end if;
|
| 497 |
+
|
| 498 |
+
if ADDSPdd = '1' and TState = 1 then
|
| 499 |
+
temp_c := unsigned('0'&SP(7 downto 0))+unsigned('0'&Save_Mux);
|
| 500 |
+
temp_h := unsigned('0'&SP(3 downto 0))+unsigned('0'&Save_Mux(3 downto 0));
|
| 501 |
+
F(Flag_Z) <= '0';
|
| 502 |
+
F(Flag_N) <= '0';
|
| 503 |
+
F(Flag_H) <= temp_h(4);
|
| 504 |
+
F(Flag_C) <= temp_c(8);
|
| 505 |
+
end if;
|
| 506 |
+
|
| 507 |
+
if Mode = 3 then
|
| 508 |
+
IStatus <= "10";
|
| 509 |
+
elsif IMode /= "11" then
|
| 510 |
+
IStatus <= IMode;
|
| 511 |
+
end if;
|
| 512 |
+
|
| 513 |
+
Arith16_r <= Arith16;
|
| 514 |
+
PreserveC_r <= PreserveC;
|
| 515 |
+
if ISet = "10" and ALU_OP(2) = '0' and ALU_OP(0) = '1' and MCycle = "011" then
|
| 516 |
+
Z16_r <= '1';
|
| 517 |
+
else
|
| 518 |
+
Z16_r <= '0';
|
| 519 |
+
end if;
|
| 520 |
+
|
| 521 |
+
if (MCycle /= "001" and TState = 2 and Wait_n = '1') or (MCycle = "001" and ((Mode = 3 and TState = 3) or (Mode /= 3 and TState = 4))) then
|
| 522 |
+
if IncDec_16(2 downto 0) = "111" then
|
| 523 |
+
if IncDec_16(3) = '1' then
|
| 524 |
+
SP <= SP - 1;
|
| 525 |
+
else
|
| 526 |
+
SP <= SP + 1;
|
| 527 |
+
end if;
|
| 528 |
+
end if;
|
| 529 |
+
end if;
|
| 530 |
+
|
| 531 |
+
if MCycle = "001" and TState(2) = '0' then
|
| 532 |
+
-- MCycle = 1 and TState = 1, 2, or 3
|
| 533 |
+
|
| 534 |
+
if TState = 2 and Wait_n = '1' then
|
| 535 |
+
if Mode < 2 then
|
| 536 |
+
A(7 downto 0) <= std_logic_vector(R);
|
| 537 |
+
A(15 downto 8) <= I;
|
| 538 |
+
R(6 downto 0) <= R(6 downto 0) + 1;
|
| 539 |
+
end if;
|
| 540 |
+
|
| 541 |
+
if Jump = '0' and Call = '0' and NMICycle = '0' and IntCycle = '0' and not (Halt_FF = '1' or Halt = '1')
|
| 542 |
+
and not (Mode = 3 and IntE_FF1 = '1' and INT_s = '1' and Prefix = "00") then --GB: Run NOP instead of instruction if INT_s is active here
|
| 543 |
+
PC <= PC + 1;
|
| 544 |
+
end if;
|
| 545 |
+
|
| 546 |
+
if IntCycle = '1' and IStatus = "01" then
|
| 547 |
+
IR <= "11111111";
|
| 548 |
+
elsif Halt_FF = '1' or (IntCycle = '1' and IStatus = "10") or NMICycle = '1'
|
| 549 |
+
or (Mode = 3 and IntE_FF1 = '1' and INT_s = '1' and Prefix = "00") then --GB: Run NOP instead of instruction if INT_s is active here
|
| 550 |
+
IR <= "00000000";
|
| 551 |
+
else
|
| 552 |
+
if Mode = 3 then
|
| 553 |
+
updateIR <= '1';
|
| 554 |
+
else
|
| 555 |
+
IR <= DInst;
|
| 556 |
+
end if;
|
| 557 |
+
end if;
|
| 558 |
+
|
| 559 |
+
ISet <= "00";
|
| 560 |
+
if Prefix /= "00" then
|
| 561 |
+
if Prefix = "11" then
|
| 562 |
+
if IR(5) = '1' then
|
| 563 |
+
XY_State <= "10";
|
| 564 |
+
else
|
| 565 |
+
XY_State <= "01";
|
| 566 |
+
end if;
|
| 567 |
+
else
|
| 568 |
+
if Prefix = "10" then
|
| 569 |
+
XY_State <= "00";
|
| 570 |
+
XY_Ind <= '0';
|
| 571 |
+
end if;
|
| 572 |
+
ISet <= Prefix;
|
| 573 |
+
end if;
|
| 574 |
+
else
|
| 575 |
+
XY_State <= "00";
|
| 576 |
+
XY_Ind <= '0';
|
| 577 |
+
end if;
|
| 578 |
+
end if;
|
| 579 |
+
|
| 580 |
+
else
|
| 581 |
+
-- either (MCycle > 1) OR (MCycle = 1 AND TState > 3)
|
| 582 |
+
|
| 583 |
+
if MCycle = "110" then
|
| 584 |
+
XY_Ind <= '1';
|
| 585 |
+
if Prefix = "01" then
|
| 586 |
+
ISet <= "01";
|
| 587 |
+
end if;
|
| 588 |
+
end if;
|
| 589 |
+
|
| 590 |
+
if T_Res = '1' then
|
| 591 |
+
BTR_r <= (I_BT or I_BC or I_BTR) and not No_BTR;
|
| 592 |
+
if Jump = '1' then
|
| 593 |
+
A(15 downto 8) <= DI_Reg;
|
| 594 |
+
A(7 downto 0) <= TmpAddr(7 downto 0);
|
| 595 |
+
PC(15 downto 8) <= unsigned(DI_Reg);
|
| 596 |
+
PC(7 downto 0) <= unsigned(TmpAddr(7 downto 0));
|
| 597 |
+
elsif JumpXY = '1' then
|
| 598 |
+
A <= RegBusC;
|
| 599 |
+
PC <= unsigned(RegBusC);
|
| 600 |
+
elsif Call = '1' or RstP = '1' then
|
| 601 |
+
A <= TmpAddr;
|
| 602 |
+
PC <= unsigned(TmpAddr);
|
| 603 |
+
elsif MCycle = MCycles and NMICycle = '1' then
|
| 604 |
+
A <= "0000000001100110";
|
| 605 |
+
PC <= "0000000001100110";
|
| 606 |
+
elsif ((Mode /= 3 and MCycle = "011") or (Mode = 3 and MCycle = "100"))
|
| 607 |
+
and IntCycle = '1' and IStatus = "10" then
|
| 608 |
+
A(15 downto 8) <= I;
|
| 609 |
+
A(7 downto 0) <= TmpAddr(7 downto 0);
|
| 610 |
+
PC(15 downto 8) <= unsigned(I);
|
| 611 |
+
PC(7 downto 0) <= unsigned(TmpAddr(7 downto 0));
|
| 612 |
+
else
|
| 613 |
+
case Set_Addr_To is
|
| 614 |
+
when aXY =>
|
| 615 |
+
if XY_State = "00" then
|
| 616 |
+
A <= RegBusC;
|
| 617 |
+
else
|
| 618 |
+
if NextIs_XY_Fetch = '1' then
|
| 619 |
+
A <= std_logic_vector(PC);
|
| 620 |
+
else
|
| 621 |
+
A <= TmpAddr;
|
| 622 |
+
end if;
|
| 623 |
+
end if;
|
| 624 |
+
when aIOA =>
|
| 625 |
+
if Mode = 3 then
|
| 626 |
+
-- Memory map I/O on GBZ80
|
| 627 |
+
A(15 downto 8) <= (others => '1');
|
| 628 |
+
elsif Mode = 2 then
|
| 629 |
+
-- Duplicate I/O address on 8080
|
| 630 |
+
A(15 downto 8) <= DI_Reg;
|
| 631 |
+
else
|
| 632 |
+
A(15 downto 8) <= ACC;
|
| 633 |
+
end if;
|
| 634 |
+
A(7 downto 0) <= DI_Reg;
|
| 635 |
+
when aSP =>
|
| 636 |
+
A <= std_logic_vector(SP);
|
| 637 |
+
when aBC =>
|
| 638 |
+
if Mode = 3 and IORQ_i = '1' then
|
| 639 |
+
-- Memory map I/O on GBZ80
|
| 640 |
+
A(15 downto 8) <= (others => '1');
|
| 641 |
+
A(7 downto 0) <= RegBusC(7 downto 0);
|
| 642 |
+
else
|
| 643 |
+
A <= RegBusC;
|
| 644 |
+
end if;
|
| 645 |
+
when aDE =>
|
| 646 |
+
A <= RegBusC;
|
| 647 |
+
when aZI =>
|
| 648 |
+
if Inc_WZ = '1' then
|
| 649 |
+
A <= std_logic_vector(unsigned(TmpAddr) + 1);
|
| 650 |
+
else
|
| 651 |
+
A(15 downto 8) <= DI_Reg;
|
| 652 |
+
A(7 downto 0) <= TmpAddr(7 downto 0);
|
| 653 |
+
end if;
|
| 654 |
+
when others =>
|
| 655 |
+
A <= std_logic_vector(PC);
|
| 656 |
+
end case;
|
| 657 |
+
end if;
|
| 658 |
+
|
| 659 |
+
Save_ALU_r <= Save_ALU;
|
| 660 |
+
ALU_Op_r <= ALU_Op;
|
| 661 |
+
|
| 662 |
+
if Mode = 3 then
|
| 663 |
+
if I_CPL = '1' then
|
| 664 |
+
-- CPL
|
| 665 |
+
ACC <= not ACC;
|
| 666 |
+
F(Flag_H) <= '1';
|
| 667 |
+
F(Flag_N) <= '1';
|
| 668 |
+
end if;
|
| 669 |
+
if I_CCF = '1' then
|
| 670 |
+
-- CCF
|
| 671 |
+
F(Flag_C) <= not F(Flag_C);
|
| 672 |
+
F(Flag_H) <= '0';
|
| 673 |
+
F(Flag_N) <= '0';
|
| 674 |
+
end if;
|
| 675 |
+
if I_SCF = '1' then
|
| 676 |
+
-- SCF
|
| 677 |
+
F(Flag_C) <= '1';
|
| 678 |
+
F(Flag_H) <= '0';
|
| 679 |
+
F(Flag_N) <= '0';
|
| 680 |
+
end if;
|
| 681 |
+
else
|
| 682 |
+
if I_CPL = '1' then
|
| 683 |
+
-- CPL
|
| 684 |
+
ACC <= not ACC;
|
| 685 |
+
F(Flag_Y) <= not ACC(5);
|
| 686 |
+
F(Flag_H) <= '1';
|
| 687 |
+
F(Flag_X) <= not ACC(3);
|
| 688 |
+
F(Flag_N) <= '1';
|
| 689 |
+
end if;
|
| 690 |
+
if I_CCF = '1' then
|
| 691 |
+
-- CCF
|
| 692 |
+
F(Flag_C) <= not F(Flag_C);
|
| 693 |
+
F(Flag_Y) <= ACC(5);
|
| 694 |
+
F(Flag_H) <= F(Flag_C);
|
| 695 |
+
F(Flag_X) <= ACC(3);
|
| 696 |
+
F(Flag_N) <= '0';
|
| 697 |
+
end if;
|
| 698 |
+
if I_SCF = '1' then
|
| 699 |
+
-- SCF
|
| 700 |
+
F(Flag_C) <= '1';
|
| 701 |
+
F(Flag_Y) <= ACC(5);
|
| 702 |
+
F(Flag_H) <= '0';
|
| 703 |
+
F(Flag_X) <= ACC(3);
|
| 704 |
+
F(Flag_N) <= '0';
|
| 705 |
+
end if;
|
| 706 |
+
end if;
|
| 707 |
+
|
| 708 |
+
|
| 709 |
+
end if;
|
| 710 |
+
|
| 711 |
+
if TState = 2 and Wait_n = '1' then
|
| 712 |
+
if ISet = "01" and MCycle = "111" then
|
| 713 |
+
if Mode = 3 then
|
| 714 |
+
updateIR <= '1';
|
| 715 |
+
else
|
| 716 |
+
IR <= DInst;
|
| 717 |
+
end if;
|
| 718 |
+
end if;
|
| 719 |
+
if JumpE = '1' then
|
| 720 |
+
PC <= unsigned(signed(PC) + signed(DI_Reg));
|
| 721 |
+
elsif Inc_PC = '1' then
|
| 722 |
+
PC <= PC + 1;
|
| 723 |
+
end if;
|
| 724 |
+
if BTR_r = '1' then
|
| 725 |
+
PC <= PC - 2;
|
| 726 |
+
end if;
|
| 727 |
+
if RstP = '1' then
|
| 728 |
+
TmpAddr <= (others =>'0');
|
| 729 |
+
TmpAddr(5 downto 3) <= IR(5 downto 3);
|
| 730 |
+
end if;
|
| 731 |
+
end if;
|
| 732 |
+
if TState = 3 and MCycle = "110" then
|
| 733 |
+
if (Mode = 3) then
|
| 734 |
+
TmpAddr <= std_logic_vector(signed(RegBusC) + signed(DInst));
|
| 735 |
+
else
|
| 736 |
+
TmpAddr <= std_logic_vector(signed(RegBusC) + signed(DI_Reg));
|
| 737 |
+
end if;
|
| 738 |
+
end if;
|
| 739 |
+
|
| 740 |
+
if ADDSPdd = '1' and TState = 2 then
|
| 741 |
+
TmpAddr<=std_logic_vector(SP);
|
| 742 |
+
SP <= unsigned(signed(SP)+signed(Save_Mux));
|
| 743 |
+
end if;
|
| 744 |
+
|
| 745 |
+
if LDSPHL = '1' then
|
| 746 |
+
SP <= unsigned(RegBusC);
|
| 747 |
+
end if;
|
| 748 |
+
if ExchangeAF = '1' then
|
| 749 |
+
Ap <= ACC;
|
| 750 |
+
ACC <= Ap;
|
| 751 |
+
Fp <= F;
|
| 752 |
+
F <= Fp;
|
| 753 |
+
end if;
|
| 754 |
+
if ExchangeRS = '1' then
|
| 755 |
+
Alternate <= not Alternate;
|
| 756 |
+
end if;
|
| 757 |
+
end if;
|
| 758 |
+
|
| 759 |
+
if TState = 3 then
|
| 760 |
+
if LDZ = '1' then
|
| 761 |
+
if (Mode = 3) then
|
| 762 |
+
TmpAddr(7 downto 0) <= DInst;
|
| 763 |
+
else
|
| 764 |
+
TmpAddr(7 downto 0) <= DI_Reg;
|
| 765 |
+
end if;
|
| 766 |
+
end if;
|
| 767 |
+
if LDW = '1' then
|
| 768 |
+
if (Mode = 3) then
|
| 769 |
+
TmpAddr(15 downto 8) <= DInst;
|
| 770 |
+
else
|
| 771 |
+
TmpAddr(15 downto 8) <= DI_Reg;
|
| 772 |
+
end if;
|
| 773 |
+
end if;
|
| 774 |
+
|
| 775 |
+
if Special_LD(2) = '1' then
|
| 776 |
+
case Special_LD(1 downto 0) is
|
| 777 |
+
when "00" =>
|
| 778 |
+
ACC <= I;
|
| 779 |
+
F(Flag_P) <= IntE_FF2;
|
| 780 |
+
when "01" =>
|
| 781 |
+
ACC <= std_logic_vector(R);
|
| 782 |
+
F(Flag_P) <= IntE_FF2;
|
| 783 |
+
when "10" =>
|
| 784 |
+
I <= ACC;
|
| 785 |
+
when others =>
|
| 786 |
+
R <= unsigned(ACC);
|
| 787 |
+
end case;
|
| 788 |
+
end if;
|
| 789 |
+
end if;
|
| 790 |
+
|
| 791 |
+
if (I_DJNZ = '0' and Save_ALU_r = '1') or ALU_Op_r = "1001" then
|
| 792 |
+
if Mode = 3 then
|
| 793 |
+
F(6) <= F_Out(6);
|
| 794 |
+
F(5) <= F_Out(5);
|
| 795 |
+
F(7) <= F_Out(7);
|
| 796 |
+
if PreserveC_r = '0' then
|
| 797 |
+
F(4) <= F_Out(4);
|
| 798 |
+
end if;
|
| 799 |
+
else
|
| 800 |
+
F(7 downto 1) <= F_Out(7 downto 1);
|
| 801 |
+
if PreserveC_r = '0' then
|
| 802 |
+
F(Flag_C) <= F_Out(0);
|
| 803 |
+
end if;
|
| 804 |
+
end if;
|
| 805 |
+
end if;
|
| 806 |
+
if T_Res = '1' and I_INRC = '1' then
|
| 807 |
+
F(Flag_H) <= '0';
|
| 808 |
+
F(Flag_N) <= '0';
|
| 809 |
+
if DI_Reg(7 downto 0) = "00000000" then
|
| 810 |
+
F(Flag_Z) <= '1';
|
| 811 |
+
else
|
| 812 |
+
F(Flag_Z) <= '0';
|
| 813 |
+
end if;
|
| 814 |
+
F(Flag_S) <= DI_Reg(7);
|
| 815 |
+
F(Flag_P) <= not (DI_Reg(0) xor DI_Reg(1) xor DI_Reg(2) xor DI_Reg(3) xor
|
| 816 |
+
DI_Reg(4) xor DI_Reg(5) xor DI_Reg(6) xor DI_Reg(7));
|
| 817 |
+
end if;
|
| 818 |
+
|
| 819 |
+
if TState = 1 then
|
| 820 |
+
DO <= BusB;
|
| 821 |
+
if I_RLD = '1' then
|
| 822 |
+
DO(3 downto 0) <= BusA(3 downto 0);
|
| 823 |
+
DO(7 downto 4) <= BusB(3 downto 0);
|
| 824 |
+
end if;
|
| 825 |
+
if I_RRD = '1' then
|
| 826 |
+
DO(3 downto 0) <= BusB(7 downto 4);
|
| 827 |
+
DO(7 downto 4) <= BusA(3 downto 0);
|
| 828 |
+
end if;
|
| 829 |
+
end if;
|
| 830 |
+
|
| 831 |
+
if T_Res = '1' then
|
| 832 |
+
Read_To_Reg_r(3 downto 0) <= Set_BusA_To;
|
| 833 |
+
Read_To_Reg_r(4) <= Read_To_Reg;
|
| 834 |
+
if Read_To_Acc = '1' then
|
| 835 |
+
Read_To_Reg_r(3 downto 0) <= "0111";
|
| 836 |
+
Read_To_Reg_r(4) <= '1';
|
| 837 |
+
end if;
|
| 838 |
+
end if;
|
| 839 |
+
|
| 840 |
+
if TState = 1 and I_BT = '1' then
|
| 841 |
+
F(Flag_X) <= ALU_Q(3);
|
| 842 |
+
F(Flag_Y) <= ALU_Q(1);
|
| 843 |
+
F(Flag_H) <= '0';
|
| 844 |
+
F(Flag_N) <= '0';
|
| 845 |
+
end if;
|
| 846 |
+
if I_BC = '1' or I_BT = '1' then
|
| 847 |
+
F(Flag_P) <= IncDecZ;
|
| 848 |
+
end if;
|
| 849 |
+
|
| 850 |
+
if (TState = 1 and Save_ALU_r = '0') or
|
| 851 |
+
(Save_ALU_r = '1' and ALU_OP_r /= "0111") then
|
| 852 |
+
case Read_To_Reg_r is
|
| 853 |
+
when "10111" =>
|
| 854 |
+
ACC <= Save_Mux;
|
| 855 |
+
when "10110" =>
|
| 856 |
+
DO <= Save_Mux;
|
| 857 |
+
when "11000" =>
|
| 858 |
+
SP(7 downto 0) <= unsigned(Save_Mux);
|
| 859 |
+
when "11001" =>
|
| 860 |
+
SP(15 downto 8) <= unsigned(Save_Mux);
|
| 861 |
+
when "11011" =>
|
| 862 |
+
if Mode = 3 then
|
| 863 |
+
F(7 downto 4) <= Save_Mux(7 downto 4);
|
| 864 |
+
F(3 downto 0) <= "0000"; -- bit 3 to 0 always return 0
|
| 865 |
+
else
|
| 866 |
+
F <= Save_Mux;
|
| 867 |
+
end if;
|
| 868 |
+
when others =>
|
| 869 |
+
end case;
|
| 870 |
+
if XYbit_undoc='1' then
|
| 871 |
+
DO <= ALU_Q;
|
| 872 |
+
end if;
|
| 873 |
+
end if;
|
| 874 |
+
|
| 875 |
+
end if;
|
| 876 |
+
|
| 877 |
+
end if;
|
| 878 |
+
|
| 879 |
+
end process;
|
| 880 |
+
|
| 881 |
+
---------------------------------------------------------------------------
|
| 882 |
+
--
|
| 883 |
+
-- BC('), DE('), HL('), IX and IY
|
| 884 |
+
--
|
| 885 |
+
---------------------------------------------------------------------------
|
| 886 |
+
|
| 887 |
+
SS_4_BACK(15 downto 0) <= RegBusA_r ;
|
| 888 |
+
SS_4_BACK(18 downto 16) <= "000"; -- unused now
|
| 889 |
+
SS_4_BACK(21 downto 19) <= RegAddrA_r;
|
| 890 |
+
SS_4_BACK(24 downto 22) <= "000"; -- unused now
|
| 891 |
+
SS_4_BACK(27 downto 25) <= RegAddrB_r;
|
| 892 |
+
SS_4_BACK(30 downto 28) <= RegAddrC ;
|
| 893 |
+
SS_4_BACK(31) <= IncDecZ ;
|
| 894 |
+
|
| 895 |
+
process (CLK_n)
|
| 896 |
+
begin
|
| 897 |
+
if CLK_n'event and CLK_n = '1' then
|
| 898 |
+
if RESET_n = '0' then
|
| 899 |
+
|
| 900 |
+
RegBusA_r <= SS_4(15 downto 0); -- (others => '0');
|
| 901 |
+
RegAddrA_r <= SS_4(21 downto 19); -- (others => '0');
|
| 902 |
+
RegAddrB_r <= SS_4(27 downto 25); -- (others => '0');
|
| 903 |
+
RegAddrC <= SS_4(30 downto 28); -- (others => '0');
|
| 904 |
+
IncDecZ <= SS_4(31); -- '0';
|
| 905 |
+
|
| 906 |
+
elsif ClkEn = '1' then
|
| 907 |
+
-- Bus A / Write
|
| 908 |
+
RegAddrA_r <= Alternate & Set_BusA_To(2 downto 1);
|
| 909 |
+
if XY_Ind = '0' and XY_State /= "00" and Set_BusA_To(2 downto 1) = "10" then
|
| 910 |
+
RegAddrA_r <= XY_State(1) & "11";
|
| 911 |
+
end if;
|
| 912 |
+
|
| 913 |
+
-- Bus B
|
| 914 |
+
RegAddrB_r <= Alternate & Set_BusB_To(2 downto 1);
|
| 915 |
+
if XY_Ind = '0' and XY_State /= "00" and Set_BusB_To(2 downto 1) = "10" then
|
| 916 |
+
RegAddrB_r <= XY_State(1) & "11";
|
| 917 |
+
end if;
|
| 918 |
+
|
| 919 |
+
-- Address from register
|
| 920 |
+
RegAddrC <= Alternate & Set_Addr_To(1 downto 0);
|
| 921 |
+
-- Jump (HL), LD SP,HL
|
| 922 |
+
if (JumpXY = '1' or LDSPHL = '1') then
|
| 923 |
+
RegAddrC <= Alternate & "10";
|
| 924 |
+
end if;
|
| 925 |
+
if ((JumpXY = '1' or LDSPHL = '1') and XY_State /= "00") or (MCycle = "110") then
|
| 926 |
+
RegAddrC <= XY_State(1) & "11";
|
| 927 |
+
end if;
|
| 928 |
+
|
| 929 |
+
if I_DJNZ = '1' and Save_ALU_r = '1' and Mode < 2 then
|
| 930 |
+
IncDecZ <= F_Out(Flag_Z);
|
| 931 |
+
end if;
|
| 932 |
+
if (TState = 2 or (TState = 3 and MCycle = "001")) and IncDec_16(2 downto 0) = "100" then
|
| 933 |
+
if ID16 = 0 then
|
| 934 |
+
IncDecZ <= '0';
|
| 935 |
+
else
|
| 936 |
+
IncDecZ <= '1';
|
| 937 |
+
end if;
|
| 938 |
+
end if;
|
| 939 |
+
|
| 940 |
+
RegBusA_r <= RegBusA;
|
| 941 |
+
end if;
|
| 942 |
+
end if;
|
| 943 |
+
end process;
|
| 944 |
+
|
| 945 |
+
RegAddrA <=
|
| 946 |
+
-- 16 bit increment/decrement
|
| 947 |
+
Alternate & IncDec_16(1 downto 0) when (TState = 2 or
|
| 948 |
+
(TState = 3 and MCycle = "001" and IncDec_16(2) = '1')) and XY_State = "00" else
|
| 949 |
+
XY_State(1) & "11" when (TState = 2 or
|
| 950 |
+
(TState = 3 and MCycle = "001" and IncDec_16(2) = '1')) and IncDec_16(1 downto 0) = "10" else
|
| 951 |
+
-- EX HL,DL
|
| 952 |
+
Alternate & "10" when ExchangeDH = '1' and TState = 3 else
|
| 953 |
+
Alternate & "01" when ExchangeDH = '1' and TState = 4 else
|
| 954 |
+
-- LDHLSP
|
| 955 |
+
"010" when LDHLSP = '1' and TState = 4 else
|
| 956 |
+
-- Bus A / Write
|
| 957 |
+
RegAddrA_r;
|
| 958 |
+
|
| 959 |
+
RegAddrB <=
|
| 960 |
+
-- EX HL,DL
|
| 961 |
+
Alternate & "01" when ExchangeDH = '1' and TState = 3 else
|
| 962 |
+
-- Bus B
|
| 963 |
+
RegAddrB_r;
|
| 964 |
+
|
| 965 |
+
ID16 <= signed(RegBusA) - 1 when IncDec_16(3) = '1' else
|
| 966 |
+
signed(RegBusA) + 1;
|
| 967 |
+
|
| 968 |
+
process (Save_ALU_r, Auto_Wait_t1, ALU_OP_r, Read_To_Reg_r,
|
| 969 |
+
ExchangeDH, IncDec_16, MCycle, TState, Wait_n,LDHLSP)
|
| 970 |
+
begin
|
| 971 |
+
RegWEH <= '0';
|
| 972 |
+
RegWEL <= '0';
|
| 973 |
+
if (TState = 1 and Save_ALU_r = '0') or
|
| 974 |
+
(Save_ALU_r = '1' and ALU_OP_r /= "0111") then
|
| 975 |
+
case Read_To_Reg_r is
|
| 976 |
+
when "10000" | "10001" | "10010" | "10011" | "10100" | "10101" =>
|
| 977 |
+
RegWEH <= not Read_To_Reg_r(0);
|
| 978 |
+
RegWEL <= Read_To_Reg_r(0);
|
| 979 |
+
when others =>
|
| 980 |
+
end case;
|
| 981 |
+
end if;
|
| 982 |
+
|
| 983 |
+
if ExchangeDH = '1' and (TState = 3 or TState = 4) then
|
| 984 |
+
RegWEH <= '1';
|
| 985 |
+
RegWEL <= '1';
|
| 986 |
+
end if;
|
| 987 |
+
|
| 988 |
+
if LDHLSP = '1' and MCycle = "010" and TState = 4 then
|
| 989 |
+
RegWEH <= '1';
|
| 990 |
+
RegWEL <= '1';
|
| 991 |
+
end if;
|
| 992 |
+
|
| 993 |
+
if IncDec_16(2) = '1' and ((TState = 2 and Wait_n = '1' and MCycle /= "001") or (TState = 3 and MCycle = "001")) then
|
| 994 |
+
case IncDec_16(1 downto 0) is
|
| 995 |
+
when "00" | "01" | "10" =>
|
| 996 |
+
RegWEH <= '1';
|
| 997 |
+
RegWEL <= '1';
|
| 998 |
+
when others =>
|
| 999 |
+
end case;
|
| 1000 |
+
end if;
|
| 1001 |
+
end process;
|
| 1002 |
+
|
| 1003 |
+
TmpAddr2 <= std_logic_vector(unsigned(signed(SP) + signed(Save_Mux)));
|
| 1004 |
+
|
| 1005 |
+
process (Save_Mux, RegBusB, RegBusA_r, ID16,
|
| 1006 |
+
ExchangeDH, IncDec_16, MCycle, TState, Wait_n, LDHLSP, SP, TmpAddr2)
|
| 1007 |
+
begin
|
| 1008 |
+
RegDIH <= Save_Mux;
|
| 1009 |
+
RegDIL <= Save_Mux;
|
| 1010 |
+
|
| 1011 |
+
if LDHLSP = '1' and MCycle = "010" and TState = 4 then
|
| 1012 |
+
RegDIH <= TmpAddr2(15 downto 8);
|
| 1013 |
+
RegDIL <= TmpAddr2(7 downto 0);
|
| 1014 |
+
end if;
|
| 1015 |
+
|
| 1016 |
+
if ExchangeDH = '1' and TState = 3 then
|
| 1017 |
+
RegDIH <= RegBusB(15 downto 8);
|
| 1018 |
+
RegDIL <= RegBusB(7 downto 0);
|
| 1019 |
+
end if;
|
| 1020 |
+
if ExchangeDH = '1' and TState = 4 then
|
| 1021 |
+
RegDIH <= RegBusA_r(15 downto 8);
|
| 1022 |
+
RegDIL <= RegBusA_r(7 downto 0);
|
| 1023 |
+
end if;
|
| 1024 |
+
|
| 1025 |
+
if IncDec_16(2) = '1' and ((TState = 2 and MCycle /= "001") or (TState = 3 and MCycle = "001")) then
|
| 1026 |
+
RegDIH <= std_logic_vector(ID16(15 downto 8));
|
| 1027 |
+
RegDIL <= std_logic_vector(ID16(7 downto 0));
|
| 1028 |
+
end if;
|
| 1029 |
+
end process;
|
| 1030 |
+
|
| 1031 |
+
Regs : T80_Reg
|
| 1032 |
+
port map(
|
| 1033 |
+
RESET_n => RESET_n,
|
| 1034 |
+
Clk => CLK_n,
|
| 1035 |
+
CEN => ClkEn,
|
| 1036 |
+
WEH => RegWEH,
|
| 1037 |
+
WEL => RegWEL,
|
| 1038 |
+
AddrA => RegAddrA,
|
| 1039 |
+
AddrB => RegAddrB,
|
| 1040 |
+
AddrC => RegAddrC,
|
| 1041 |
+
DIH => RegDIH,
|
| 1042 |
+
DIL => RegDIL,
|
| 1043 |
+
DOAH => RegBusA(15 downto 8),
|
| 1044 |
+
DOAL => RegBusA(7 downto 0),
|
| 1045 |
+
DOBH => RegBusB(15 downto 8),
|
| 1046 |
+
DOBL => RegBusB(7 downto 0),
|
| 1047 |
+
DOCH => RegBusC(15 downto 8),
|
| 1048 |
+
DOCL => RegBusC(7 downto 0),
|
| 1049 |
+
-- savestates
|
| 1050 |
+
SaveStateBus_Din => SaveStateBus_Din,
|
| 1051 |
+
SaveStateBus_Adr => SaveStateBus_Adr,
|
| 1052 |
+
SaveStateBus_wren => SaveStateBus_wren,
|
| 1053 |
+
SaveStateBus_rst => SaveStateBus_rst,
|
| 1054 |
+
SaveStateBus_Dout => reg_wired_or(0)
|
| 1055 |
+
);
|
| 1056 |
+
|
| 1057 |
+
---------------------------------------------------------------------------
|
| 1058 |
+
--
|
| 1059 |
+
-- Buses
|
| 1060 |
+
--
|
| 1061 |
+
---------------------------------------------------------------------------
|
| 1062 |
+
|
| 1063 |
+
SS_4_BACK(39 downto 32) <= BusA;
|
| 1064 |
+
SS_4_BACK(47 downto 40) <= BusB;
|
| 1065 |
+
|
| 1066 |
+
process (CLK_n)
|
| 1067 |
+
begin
|
| 1068 |
+
if CLK_n'event and CLK_n = '1' then
|
| 1069 |
+
|
| 1070 |
+
if RESET_n = '0' then
|
| 1071 |
+
|
| 1072 |
+
BusA <= SS_4(39 downto 32); --(others => '0');
|
| 1073 |
+
BusB <= SS_4(47 downto 40); --(others => '0');
|
| 1074 |
+
|
| 1075 |
+
elsif ClkEn = '1' then
|
| 1076 |
+
case Set_BusB_To is
|
| 1077 |
+
when "0111" =>
|
| 1078 |
+
BusB <= ACC;
|
| 1079 |
+
when "0000" | "0001" | "0010" | "0011" | "0100" | "0101" =>
|
| 1080 |
+
if Set_BusB_To(0) = '1' then
|
| 1081 |
+
BusB <= RegBusB(7 downto 0);
|
| 1082 |
+
else
|
| 1083 |
+
BusB <= RegBusB(15 downto 8);
|
| 1084 |
+
end if;
|
| 1085 |
+
when "0110" =>
|
| 1086 |
+
BusB <= DI_Reg;
|
| 1087 |
+
when "1000" =>
|
| 1088 |
+
BusB <= std_logic_vector(SP(7 downto 0));
|
| 1089 |
+
when "1001" =>
|
| 1090 |
+
BusB <= std_logic_vector(SP(15 downto 8));
|
| 1091 |
+
when "1010" =>
|
| 1092 |
+
BusB <= "00000001";
|
| 1093 |
+
when "1011" =>
|
| 1094 |
+
BusB <= F;
|
| 1095 |
+
when "1100" =>
|
| 1096 |
+
BusB <= std_logic_vector(PC(7 downto 0));
|
| 1097 |
+
when "1101" =>
|
| 1098 |
+
BusB <= std_logic_vector(PC(15 downto 8));
|
| 1099 |
+
when "1110" =>
|
| 1100 |
+
BusB <= "00000000";
|
| 1101 |
+
when others =>
|
| 1102 |
+
BusB <= "--------";
|
| 1103 |
+
end case;
|
| 1104 |
+
|
| 1105 |
+
case Set_BusA_To is
|
| 1106 |
+
when "0111" =>
|
| 1107 |
+
BusA <= ACC;
|
| 1108 |
+
when "0000" | "0001" | "0010" | "0011" | "0100" | "0101" =>
|
| 1109 |
+
if Set_BusA_To(0) = '1' then
|
| 1110 |
+
BusA <= RegBusA(7 downto 0);
|
| 1111 |
+
else
|
| 1112 |
+
BusA <= RegBusA(15 downto 8);
|
| 1113 |
+
end if;
|
| 1114 |
+
when "0110" =>
|
| 1115 |
+
BusA <= DI_Reg;
|
| 1116 |
+
when "1000" =>
|
| 1117 |
+
BusA <= std_logic_vector(SP(7 downto 0));
|
| 1118 |
+
when "1001" =>
|
| 1119 |
+
BusA <= std_logic_vector(SP(15 downto 8));
|
| 1120 |
+
when "1010" =>
|
| 1121 |
+
BusA <= "00000000";
|
| 1122 |
+
when others =>
|
| 1123 |
+
BusA <= "--------";
|
| 1124 |
+
end case;
|
| 1125 |
+
if XYbit_undoc='1' then
|
| 1126 |
+
BusA <= DI_Reg;
|
| 1127 |
+
BusB <= DI_Reg;
|
| 1128 |
+
end if;
|
| 1129 |
+
end if;
|
| 1130 |
+
end if;
|
| 1131 |
+
end process;
|
| 1132 |
+
|
| 1133 |
+
---------------------------------------------------------------------------
|
| 1134 |
+
--
|
| 1135 |
+
-- Generate external control signals
|
| 1136 |
+
--
|
| 1137 |
+
---------------------------------------------------------------------------
|
| 1138 |
+
|
| 1139 |
+
SS_4_BACK(48) <= RFSH_n;
|
| 1140 |
+
|
| 1141 |
+
process (CLK_n)
|
| 1142 |
+
begin
|
| 1143 |
+
if CLK_n'event and CLK_n = '1' then
|
| 1144 |
+
if RESET_n = '0' then
|
| 1145 |
+
RFSH_n <= SS_4(48); --'1';
|
| 1146 |
+
elsif CEN = '1' then
|
| 1147 |
+
if MCycle = "001" and ((TState = 2 and Wait_n = '1') or TState = 3) then
|
| 1148 |
+
RFSH_n <= '0';
|
| 1149 |
+
else
|
| 1150 |
+
RFSH_n <= '1';
|
| 1151 |
+
end if;
|
| 1152 |
+
end if;
|
| 1153 |
+
end if;
|
| 1154 |
+
end process;
|
| 1155 |
+
|
| 1156 |
+
MC <= std_logic_vector(MCycle);
|
| 1157 |
+
TS <= std_logic_vector(TState);
|
| 1158 |
+
DI_Reg <= DI;
|
| 1159 |
+
HALT_n <= not Halt_FF;
|
| 1160 |
+
BUSAK_n <= not BusAck;
|
| 1161 |
+
IntCycle_n <= not IntCycle;
|
| 1162 |
+
IntE <= IntE_FF1;
|
| 1163 |
+
IORQ <= IORQ_i;
|
| 1164 |
+
Stop <= I_DJNZ;
|
| 1165 |
+
|
| 1166 |
+
-------------------------------------------------------------------------
|
| 1167 |
+
--
|
| 1168 |
+
-- Syncronise inputs
|
| 1169 |
+
--
|
| 1170 |
+
-------------------------------------------------------------------------
|
| 1171 |
+
|
| 1172 |
+
SS_4_BACK(49) <= BusReq_s;
|
| 1173 |
+
SS_4_BACK(50) <= INT_s;
|
| 1174 |
+
SS_4_BACK(51) <= NMI_s;
|
| 1175 |
+
SS_4_BACK(52) <= OldNMI_n;
|
| 1176 |
+
|
| 1177 |
+
process (CLK_n)
|
| 1178 |
+
begin
|
| 1179 |
+
if CLK_n'event and CLK_n = '1' then
|
| 1180 |
+
if RESET_n = '0' then
|
| 1181 |
+
BusReq_s <= SS_4(49); -- '0';
|
| 1182 |
+
INT_s <= SS_4(50); -- '0';
|
| 1183 |
+
NMI_s <= SS_4(51); -- '0';
|
| 1184 |
+
OldNMI_n <= SS_4(52); -- '0';
|
| 1185 |
+
elsif CEN = '1' then
|
| 1186 |
+
BusReq_s <= not BUSRQ_n;
|
| 1187 |
+
INT_s <= not INT_n;
|
| 1188 |
+
if NMICycle = '1' then
|
| 1189 |
+
NMI_s <= '0';
|
| 1190 |
+
elsif NMI_n = '0' and OldNMI_n = '1' then
|
| 1191 |
+
NMI_s <= '1';
|
| 1192 |
+
end if;
|
| 1193 |
+
OldNMI_n <= NMI_n;
|
| 1194 |
+
end if;
|
| 1195 |
+
end if;
|
| 1196 |
+
end process;
|
| 1197 |
+
|
| 1198 |
+
-------------------------------------------------------------------------
|
| 1199 |
+
--
|
| 1200 |
+
-- Main state machine
|
| 1201 |
+
--
|
| 1202 |
+
-------------------------------------------------------------------------
|
| 1203 |
+
|
| 1204 |
+
SS_3_BACK(41 downto 39) <= MCycle ;
|
| 1205 |
+
SS_3_BACK(44 downto 42) <= std_logic_vector(TState);
|
| 1206 |
+
SS_3_BACK(47 downto 45) <= Pre_XY_F_M ;
|
| 1207 |
+
SS_3_BACK(48) <= Halt_FF ;
|
| 1208 |
+
SS_3_BACK(49) <= BusAck ;
|
| 1209 |
+
SS_3_BACK(50) <= NMICycle ;
|
| 1210 |
+
SS_3_BACK(51) <= IntCycle ;
|
| 1211 |
+
SS_3_BACK(52) <= IntE_FF1 ;
|
| 1212 |
+
SS_3_BACK(53) <= IntE_FF2 ;
|
| 1213 |
+
SS_3_BACK(54) <= No_BTR ;
|
| 1214 |
+
SS_3_BACK(55) <= Auto_Wait_t1;
|
| 1215 |
+
SS_3_BACK(56) <= Auto_Wait_t2;
|
| 1216 |
+
SS_3_BACK(57) <= M1_n ;
|
| 1217 |
+
|
| 1218 |
+
process (CLK_n)
|
| 1219 |
+
begin
|
| 1220 |
+
if CLK_n'event and CLK_n = '1' then
|
| 1221 |
+
if RESET_n = '0' then
|
| 1222 |
+
MCycle <= SS_3(41 downto 39); -- "001";
|
| 1223 |
+
TState <= unsigned(SS_3(44 downto 42)); -- "000";
|
| 1224 |
+
Pre_XY_F_M <= SS_3(47 downto 45); -- "000";
|
| 1225 |
+
Halt_FF <= SS_3(48); -- '0';
|
| 1226 |
+
BusAck <= SS_3(49); -- '0';
|
| 1227 |
+
NMICycle <= SS_3(50); -- '0';
|
| 1228 |
+
IntCycle <= SS_3(51); -- '0';
|
| 1229 |
+
IntE_FF1 <= SS_3(52); -- '0';
|
| 1230 |
+
IntE_FF2 <= SS_3(53); -- '0';
|
| 1231 |
+
No_BTR <= SS_3(54); -- '0';
|
| 1232 |
+
Auto_Wait_t1 <= SS_3(55); -- '0';
|
| 1233 |
+
Auto_Wait_t2 <= SS_3(56); -- '0';
|
| 1234 |
+
M1_n <= SS_3(57); -- '1';
|
| 1235 |
+
elsif CEN = '1' then
|
| 1236 |
+
Auto_Wait_t1 <= Auto_Wait;
|
| 1237 |
+
Auto_Wait_t2 <= Auto_Wait_t1;
|
| 1238 |
+
No_BTR <= (I_BT and (not IR(4) or not F(Flag_P))) or
|
| 1239 |
+
(I_BC and (not IR(4) or F(Flag_Z) or not F(Flag_P))) or
|
| 1240 |
+
(I_BTR and (not IR(4) or F(Flag_Z)));
|
| 1241 |
+
if TState = 1 then
|
| 1242 |
+
if (Mode = 3 and INT_n = '0' and isGBC = '0') then
|
| 1243 |
+
Halt_FF <= '0'; --GB: Exit Halt here so interrupt or next instruction starts earlier
|
| 1244 |
+
end if;
|
| 1245 |
+
end if;
|
| 1246 |
+
if TState = 2 then
|
| 1247 |
+
if SetEI = '1' then
|
| 1248 |
+
IntE_FF1 <= '1';
|
| 1249 |
+
IntE_FF2 <= '1';
|
| 1250 |
+
end if;
|
| 1251 |
+
if I_RETN = '1' then
|
| 1252 |
+
IntE_FF1 <= IntE_FF2;
|
| 1253 |
+
end if;
|
| 1254 |
+
end if;
|
| 1255 |
+
if TState = 3 then
|
| 1256 |
+
if SetDI = '1' then
|
| 1257 |
+
IntE_FF1 <= '0';
|
| 1258 |
+
IntE_FF2 <= '0';
|
| 1259 |
+
end if;
|
| 1260 |
+
end if;
|
| 1261 |
+
if IntCycle = '1' or NMICycle = '1' then
|
| 1262 |
+
Halt_FF <= '0';
|
| 1263 |
+
end if;
|
| 1264 |
+
if MCycle = "001" and TState = 2 and Wait_n = '1' then
|
| 1265 |
+
M1_n <= '1';
|
| 1266 |
+
end if;
|
| 1267 |
+
if BusReq_s = '1' and BusAck = '1' then
|
| 1268 |
+
else
|
| 1269 |
+
BusAck <= '0';
|
| 1270 |
+
if TState = 2 and Wait_n = '0' then
|
| 1271 |
+
elsif T_Res = '1' then
|
| 1272 |
+
if Halt = '1' and ( not(Mode = 3 and INT_n = '0' and IntE_FF1 = '0')) then -- halt bug when Mode = 3 , INT_n = '0' and IME=0
|
| 1273 |
+
Halt_FF <= '1';
|
| 1274 |
+
end if;
|
| 1275 |
+
if BusReq_s = '1' then
|
| 1276 |
+
BusAck <= '1';
|
| 1277 |
+
else
|
| 1278 |
+
TState <= "001";
|
| 1279 |
+
if (IntCycle = '1' and Mode = 3) then -- GB: read interrupt at MCycle 3
|
| 1280 |
+
if (MCycle = "010") then
|
| 1281 |
+
M1_n <= '0';
|
| 1282 |
+
else
|
| 1283 |
+
M1_n <= '1';
|
| 1284 |
+
end if;
|
| 1285 |
+
end if;
|
| 1286 |
+
if NextIs_XY_Fetch = '1' then
|
| 1287 |
+
MCycle <= "110";
|
| 1288 |
+
Pre_XY_F_M <= MCycle;
|
| 1289 |
+
if IR = "00110110" and Mode = 0 then
|
| 1290 |
+
Pre_XY_F_M <= "010";
|
| 1291 |
+
end if;
|
| 1292 |
+
elsif (MCycle = "111") or
|
| 1293 |
+
(MCycle = "110" and Mode = 1 and ISet /= "01") then
|
| 1294 |
+
MCycle <= std_logic_vector(unsigned(Pre_XY_F_M) + 1);
|
| 1295 |
+
elsif (MCycle = MCycles) or
|
| 1296 |
+
No_BTR = '1' or
|
| 1297 |
+
(MCycle = "010" and I_DJNZ = '1' and IncDecZ = '1') then
|
| 1298 |
+
M1_n <= '0';
|
| 1299 |
+
MCycle <= "001";
|
| 1300 |
+
IntCycle <= '0';
|
| 1301 |
+
NMICycle <= '0';
|
| 1302 |
+
if NMI_s = '1' and Prefix = "00" then
|
| 1303 |
+
NMICycle <= '1';
|
| 1304 |
+
IntE_FF1 <= '0';
|
| 1305 |
+
elsif (IntE_FF1 = '1' and INT_s = '1') and Prefix = "00" and SetEI = '0'
|
| 1306 |
+
and ((MCycle = "001" and Halt_FF = '0') or Mode /= 3) then -- GB: Interrupt only on single cycle instructions and not Halted
|
| 1307 |
+
IntCycle <= '1';
|
| 1308 |
+
IntE_FF1 <= '0';
|
| 1309 |
+
IntE_FF2 <= '0';
|
| 1310 |
+
elsif (Halt_FF = '1' and INT_s = '1' and Mode = 3) then
|
| 1311 |
+
Halt_FF <= '0';
|
| 1312 |
+
end if;
|
| 1313 |
+
else
|
| 1314 |
+
MCycle <= std_logic_vector(unsigned(MCycle) + 1);
|
| 1315 |
+
end if;
|
| 1316 |
+
end if;
|
| 1317 |
+
else
|
| 1318 |
+
if Auto_Wait = '1' nand Auto_Wait_t2 = '0' then
|
| 1319 |
+
|
| 1320 |
+
TState <= TState + 1;
|
| 1321 |
+
end if;
|
| 1322 |
+
end if;
|
| 1323 |
+
end if;
|
| 1324 |
+
if TState = 0 then
|
| 1325 |
+
M1_n <= '0';
|
| 1326 |
+
end if;
|
| 1327 |
+
end if;
|
| 1328 |
+
end if;
|
| 1329 |
+
end process;
|
| 1330 |
+
|
| 1331 |
+
process (IntCycle, NMICycle, MCycle)
|
| 1332 |
+
begin
|
| 1333 |
+
Auto_Wait <= '0';
|
| 1334 |
+
if (Mode /= 3 and (IntCycle = '1' or NMICycle = '1')) then
|
| 1335 |
+
if MCycle = "001" then
|
| 1336 |
+
Auto_Wait <= '1';
|
| 1337 |
+
end if;
|
| 1338 |
+
end if;
|
| 1339 |
+
end process;
|
| 1340 |
+
|
| 1341 |
+
end;
|