chip8.h

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#ifndef LIBC8_CHIP8_H
#define LIBC8_CHIP8_H
 
#include "graphics.h"
#include "defs.h"
 
#include <stdint.h>
 
#define C8_CLOCK_SPEED 1000
#define C8_STACK_SIZE 16
 
#define C8_MODE_CHIP8 0
#define C8_MODE_SCHIP 1
#define C8_MODE_XOCHIP 2
 
#define C8_FLAG_DEBUG 0x1
#define C8_FLAG_VERBOSE 0x2
#define C8_FLAG_QUIRK_BITWISE 0x4
#define C8_FLAG_QUIRK_DRAW 0x8
#define C8_FLAG_QUIRK_LOADSTORE 0x10
#define C8_FLAG_QUIRK_SHIFT 0x20
#define C8_FLAG_QUIRK_JUMP 0x40
 
typedef struct {
    uint8_t mem[C8_MEMSIZE];
    uint8_t R[8];
    uint8_t V[16];
    uint8_t sp;
    uint8_t dt;
    uint8_t st;
    uint16_t stack[C8_STACK_SIZE];
    uint16_t pc;
    uint16_t I;
    int key[18];
    int VK;
    int cs;
    int waitingForKey;
    int running;
    c8_display_t display;
    int flags;
    int breakpoints[C8_MEMSIZE];
    int colors[2];
    int fonts[2];
    int draw;
    int mode;
} c8_t;
 
void c8_deinit(c8_t*);
c8_t* c8_init(const char*, int);
int c8_load_palette_s(c8_t*, char*);
int c8_load_palette_f(c8_t*, const char*);
void c8_load_quirks(c8_t*, const char*);
void c8_simulate(c8_t*);
 
#endif