Subversion Repositories Shiroi

Rev

Rev 21 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
1 nishi 1 
/* $Id: shiroi.h 22 2024-08-31 10:44:32Z nishi $ */
2 
 
3 
#ifndef __SHIROI_H__
4 
#define __SHIROI_H__
5 
 
6 
#include "chips_common.h"
7 
#include "z80.h"
8 
#include "ay38910.h"
9 
#include "tms9918.h"
7 nishi 10 
#include "mc6847.h"
1 nishi 11 
 
12 
#include <stdint.h>
13 
#include <stdbool.h>
14 
 
15 
#define SHIROI_IO_PORTS 3
16 
 
17 
enum SHIROI_CARD {
18 
	SHIROI_VIDEO = 0x00,
19 
	SHIROI_VIDEO_MARK_I,
7 nishi 20 
	SHIROI_VIDEO_MARK_II,
1 nishi 21 
	SHIROI_SOUND = 0x10,
22 
	SHIROI_SOUND_MARK_I,
3 nishi 23 
	SHIROI_SYSTEM = 0x20,
24 
	SHIROI_MATH_MARK_I,
12 nishi 25 
	SHIROI_TEXT_MARK_I,
26 
	SHIROI_DEBUG
1 nishi 27 
};
28 
 
29 
typedef struct {
7 nishi 30 
	uint32_t fb[800 * 600];
1 nishi 31 
	union {
32 
		VrEmuTms9918* vdp;
7 nishi 33 
		mc6847_t mc6847;
1 nishi 34 
	};
7 nishi 35 
	uint16_t vram_addr;
36 
	uint8_t vram[64 * 1024];
1 nishi 37 
	int width;
38 
	int height;
39 
	int tick;
40 
} shiroi_video_t;
41 
 
42 
typedef struct {
43 
	union {
44 
		ay38910_t psg;
45 
	};
46 
	int tick;
47 
} shiroi_sound_t;
48 
 
49 
typedef struct {
50 
	union {
51 
		void* am9511;
52 
	};
53 
	int tick;
54 
} shiroi_math_t;
55 
 
56 
typedef struct {
3 nishi 57 
	unsigned char key;
6 nishi 58 
	bool caps;
3 nishi 59 
	int tick;
60 
} shiroi_text_t;
61 
 
62 
typedef struct {
12 nishi 63 
	unsigned char latch[4];
64 
	int latch_addr;
65 
	int tick;
66 
} shiroi_debug_t;
67 
 
68 
typedef struct {
22 nishi 69 
	union {
1 nishi 70 
		shiroi_video_t video;
71 
		shiroi_sound_t sound;
72 
		shiroi_math_t math;
3 nishi 73 
		shiroi_text_t text;
12 nishi 74 
		shiroi_debug_t debug;
22 nishi 75 
	};
1 nishi 76 
	shiroi_video_t* videoptr;
77 
	shiroi_sound_t* soundptr;
78 
	shiroi_math_t* mathptr;
3 nishi 79 
	shiroi_text_t* textptr;
12 nishi 80 
	shiroi_debug_t* debugptr;
1 nishi 81 
	int type;
82 
} shiroi_card_t;
83 
 
84 
typedef struct {
85 
	uint8_t ram[64 * 1024];
86 
	uint64_t z80_pins;
87 
	z80_t z80;
88 
	bool stop;
89 
	void (*play_audio)(void* buffer, unsigned int frames);
90 
	shiroi_card_t cards[256 / 3];
10 nishi 91 
	bool reset;
1 nishi 92 
} shiroi_t;
93 
 
94 
void shiroi_init(shiroi_t* shiroi);
95 
void shiroi_init_cards(shiroi_t* shiroi);
96 
void shiroi_loop(shiroi_t* shiroi);
97 
void shiroi_install(shiroi_t* shiroi, int slot, int card);
98 
shiroi_card_t* shiroi_get_video_card(shiroi_t* shiroi);
99 
shiroi_card_t* shiroi_get_sound_card(shiroi_t* shiroi);
100 
shiroi_card_t* shiroi_get_math_card(shiroi_t* shiroi);
3 nishi 101 
shiroi_card_t* shiroi_get_text_card(shiroi_t* shiroi);
12 nishi 102 
shiroi_card_t* shiroi_get_debug_card(shiroi_t* shiroi);
1 nishi 103 
 
104 
#endif