module image2( input clk, input camera_en, output reg data_valid, output reg [7:0] data_out); parameter N = 450, M = 450; reg [7:0] mem[3*N*M:0]; integer ptr; initial begin $readmemh("../res/right.txt", mem); ptr <= 0; end always @(posedge clk) begin if (camera_en) begin data_valid <= 1'b1; data_out <= mem[ptr]; ptr <= ptr + 1; end else begin data_valid <= 0; ptr <= 0; data_out <= 8'hzz; end if (ptr == ((N*M*3) - 1)) begin ptr <= 0; end end endmodule