chip8.h

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#ifndef C8_CHIP8_H
#define C8_CHIP8_H
 
#include "common.h"
#include "graphics.h"
 
#include <stdint.h>
 
#define C8_TICK_SPEED (12 * 60)
 
#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_VF_RESET 0x4
 
#define C8_FLAG_QUIRK_MEMORY 0x8
 
#define C8_FLAG_QUIRK_CLIPPING 0x10
 
#define C8_FLAG_QUIRK_SHIFTING 0x20
 
#define C8_FLAG_QUIRK_JUMPING 0x40
 
#define C8_FLAG_QUIRK_VBLANK 0x80
 
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        tickSpeed; 
    int        waitingForKey; 
    int        waitingForDraw; 
    int        running; 
    C8_Display display; 
    int        flags; 
    int        breakpoints[C8_MEMSIZE]; 
    int        colors[2]; 
    int        fonts[2]; 
    int        mode; 
} C8;
 
void        c8_deinit(C8*);
C8*         c8_init(const char*, int);
int         c8_load_palette_s(C8*, char*);
int         c8_load_palette_f(C8*, const char*);
int         c8_load_quirks(C8*, const char*);
int         c8_load_rom(C8*, const char*);
int         c8_simulate(C8*);
int         c8_validate(const C8*);
const char* c8_version(void);
 
#endif