Subversion Repositories Shiroi

/* $Id: shiroi.h 34 2024-09-01 10:13:47Z nishi $ */

#ifndef __SHIROI_H__
#define __SHIROI_H__

#include "chips_common.h"
#include "z80.h"
#include "ay38910.h"
#include "tms9918.h"
#include "mc6847.h"

#include <stdint.h>
#include <stdbool.h>

#define SHIROI_IO_PORTS 3

enum SHIROI_CARD {
        SHIROI_VIDEO = 0x00,
        SHIROI_VIDEO_MARK_I,
        SHIROI_VIDEO_MARK_II,
        SHIROI_SOUND = 0x10,
        SHIROI_SOUND_MARK_I,
        SHIROI_SYSTEM = 0x20,
        SHIROI_MATH_MARK_I,
        SHIROI_TEXT_MARK_I,
        SHIROI_DEBUG,
        SHIROI_ROMCARD_MARK_I
};

typedef struct {
        uint32_t fb[800 * 600];
        union {
                VrEmuTms9918* vdp;
                mc6847_t mc6847;
        };
        uint16_t vram_addr;
        uint8_t vram[64 * 1024];
        int width;
        int height;
        int tick;
} shiroi_video_t;

typedef struct {
        union {
                ay38910_t psg;
        };
        int tick;
} shiroi_sound_t;

typedef struct {
        union {
                void* am9511;
        };
        int tick;
} shiroi_math_t;

typedef struct {
        unsigned char key;
        bool caps;
        int tick;
} shiroi_text_t;

typedef struct {
        unsigned char latch[4];
        int latch_addr;
        int tick;
} shiroi_debug_t;

typedef struct {
        unsigned char* data;
        int latch_addr;
} shiroi_romcard_t;

typedef struct {
        union {
                shiroi_video_t video;
                shiroi_sound_t sound;
                shiroi_math_t math;
                shiroi_text_t text;
                shiroi_debug_t debug;
                shiroi_romcard_t romcard;
        };
        shiroi_video_t* videoptr;
        shiroi_sound_t* soundptr;
        shiroi_math_t* mathptr;
        shiroi_text_t* textptr;
        shiroi_debug_t* debugptr;
        shiroi_romcard_t* romcardptr;
        int type;
} shiroi_card_t;

typedef struct {
        uint8_t ram[64 * 1024];
        uint64_t z80_pins;
        z80_t z80;
        bool stop;
        void (*play_audio)(void* buffer, unsigned int frames);
        shiroi_card_t cards[256 / 3];
        bool reset;
} shiroi_t;

void shiroi_init(shiroi_t* shiroi);
void shiroi_init_cards(shiroi_t* shiroi);
void shiroi_loop(shiroi_t* shiroi);
void shiroi_install(shiroi_t* shiroi, int slot, int card);
shiroi_card_t* shiroi_get_video_card(shiroi_t* shiroi);
shiroi_card_t* shiroi_get_sound_card(shiroi_t* shiroi);
shiroi_card_t* shiroi_get_math_card(shiroi_t* shiroi);
shiroi_card_t* shiroi_get_text_card(shiroi_t* shiroi);
shiroi_card_t* shiroi_get_debug_card(shiroi_t* shiroi);
shiroi_card_t* shiroi_get_romcard_card(shiroi_t* shiroi);

#endif