libmsx/psg_8h_source.html

// -*- coding: utf-8-unix -*-

/*

 * Copyright (c) 2021-2025 Daishi Mori (mori0091)

 *

 * This software is released under the MIT License.\n

 * See https://github.com/mori0091/libmsx/blob/main/LICENSE

 *

 * GitHub libmsx project\n

 * https://github.com/mori0091/libmsx

 */

#pragma once


#ifndef PSG_H

#define PSG_H


#include <stdint.h>


#include "io.h"


extern const uint8_t psg_reg_initial_vector[14];


void psg_init(void);


uint8_t psg_get(uint8_t reg);


void psg_set(uint8_t reg, uint8_t val);


#endif

psg_init
void psg_init(void)
MSX Initialize PSG registers R#0 to R#13 with psg_reg_initial_vector.

psg_get
uint8_t psg_get(uint8_t reg)
MSX Read the PSG register value.

psg_reg_initial_vector
const uint8_t psg_reg_initial_vector[14]
Initial values for PSG registers R#0 to R#13.

psg_set
void psg_set(uint8_t reg, uint8_t val)
MSX Write the PSG register value.

io.h
Definition of I/O ports.