GideonZ_1541ultimate/software/io/audio/audio_select.h

#ifndef AUDIO_SELECT_H
#define AUDIO_SELECT_H

#include "config.h"
#include "iomap.h"

#define AUDIO_SELECT_LEFT   (AUDIO_SEL_BASE + 0x00)
#define AUDIO_SELECT_RIGHT  (AUDIO_SEL_BASE + 0x01)

#define SOUND_DRIVE_0     0
#define SOUND_DRIVE_1     1
#define SOUND_CAS_READ    2
#define SOUND_CAS_WRITE   3
#define SOUND_SID_LEFT    4
#define SOUND_SID_RIGHT   5
#define SOUND_SAMP_LEFT   6
#define SOUND_SAMP_RIGHT  7

#define SID_VOICES        (SID_BASE + 0x00)
#define SID_FILTER_DIV    (SID_BASE + 0x01)
#define SID_BASE_LEFT     (SID_BASE + 0x02)
#define SID_BASE_RIGHT    (SID_BASE + 0x03)
#define SID_SNOOP_LEFT    (SID_BASE + 0x04)
#define SID_SNOOP_RIGHT   (SID_BASE + 0x05)
#define SID_ENABLE_LEFT   (SID_BASE + 0x06)
#define SID_ENABLE_RIGHT  (SID_BASE + 0x07)
#define SID_EXTEND_LEFT   (SID_BASE + 0x08)
#define SID_EXTEND_RIGHT  (SID_BASE + 0x09)
#define SID_COMBSEL_LEFT  (SID_BASE + 0x0A)
#define SID_COMBSEL_RIGHT (SID_BASE + 0x0B)

class AudioConfig : public ConfigurableObject
{
    int *map;
public:
    AudioConfig();
    ~AudioConfig() {}

    void effectuate_settings();

    static void clear_sampler_registers() {
        if(getFpgaCapabilities() & CAPAB_SAMPLER) {
            for(int i=0;i<64;i++) {
                ioWrite8(SAMPLER_BASE + i, 0);
            }
        }
    }

    static void set_sampler_output() {
        if(getFpgaCapabilities() & CAPAB_SAMPLER) {
    		// Select MOD output
    		ioWrite8(AUDIO_SELECT_LEFT, 6);
    		ioWrite8(AUDIO_SELECT_RIGHT, 7);
        }
    }
};

extern AudioConfig audio_configurator;

#endif