Subversion Repositories Shiroi

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/* $Id: shiroi.h 34 2024-09-01 10:13:47Z nishi $ */
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#ifndef __SHIROI_H__
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#define __SHIROI_H__
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#include "chips_common.h"
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#include "z80.h"
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#include "ay38910.h"
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#include "tms9918.h"
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#include "mc6847.h"
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#include <stdint.h>
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#include <stdbool.h>
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#define SHIROI_IO_PORTS 3
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enum SHIROI_CARD {
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	SHIROI_VIDEO = 0x00,
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	SHIROI_VIDEO_MARK_I,
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	SHIROI_VIDEO_MARK_II,
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	SHIROI_SOUND = 0x10,
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	SHIROI_SOUND_MARK_I,
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	SHIROI_SYSTEM = 0x20,
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	SHIROI_MATH_MARK_I,
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	SHIROI_TEXT_MARK_I,
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	SHIROI_DEBUG,
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	SHIROI_ROMCARD_MARK_I
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};
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typedef struct {
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	uint32_t fb[800 * 600];
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	union {
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		VrEmuTms9918* vdp;
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		mc6847_t mc6847;
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	};
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	uint16_t vram_addr;
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	uint8_t vram[64 * 1024];
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	int width;
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	int height;
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	int tick;
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} shiroi_video_t;
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typedef struct {
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	union {
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		ay38910_t psg;
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	};
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	int tick;
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} shiroi_sound_t;
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typedef struct {
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	union {
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		void* am9511;
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	};
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	int tick;
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} shiroi_math_t;
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typedef struct {
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	unsigned char key;
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	bool caps;
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	int tick;
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} shiroi_text_t;
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typedef struct {
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	unsigned char latch[4];
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	int latch_addr;
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	int tick;
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} shiroi_debug_t;
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typedef struct {
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	unsigned char* data;
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	int latch_addr;
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} shiroi_romcard_t;
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typedef struct {
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	union {
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		shiroi_video_t video;
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		shiroi_sound_t sound;
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		shiroi_math_t math;
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		shiroi_text_t text;
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		shiroi_debug_t debug;
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		shiroi_romcard_t romcard;
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	};
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	shiroi_video_t* videoptr;
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	shiroi_sound_t* soundptr;
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	shiroi_math_t* mathptr;
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	shiroi_text_t* textptr;
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	shiroi_debug_t* debugptr;
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	shiroi_romcard_t* romcardptr;
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	int type;
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} shiroi_card_t;
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typedef struct {
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	uint8_t ram[64 * 1024];
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	uint64_t z80_pins;
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	z80_t z80;
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	bool stop;
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	void (*play_audio)(void* buffer, unsigned int frames);
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	shiroi_card_t cards[256 / 3];
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	bool reset;
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} shiroi_t;
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void shiroi_init(shiroi_t* shiroi);
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void shiroi_init_cards(shiroi_t* shiroi);
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void shiroi_loop(shiroi_t* shiroi);
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void shiroi_install(shiroi_t* shiroi, int slot, int card);
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shiroi_card_t* shiroi_get_video_card(shiroi_t* shiroi);
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shiroi_card_t* shiroi_get_sound_card(shiroi_t* shiroi);
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shiroi_card_t* shiroi_get_math_card(shiroi_t* shiroi);
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shiroi_card_t* shiroi_get_text_card(shiroi_t* shiroi);
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shiroi_card_t* shiroi_get_debug_card(shiroi_t* shiroi);
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shiroi_card_t* shiroi_get_romcard_card(shiroi_t* shiroi);
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#endif