graphics.h

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#ifndef C8_GRAPHICS_H
#define C8_GRAPHICS_H
 
#include <stdint.h>
 
#define C8_LOW_DISPLAY_WIDTH 64
#define C8_LOW_DISPLAY_HEIGHT 32
#define C8_HIGH_DISPLAY_WIDTH 128
#define C8_HIGH_DISPLAY_HEIGHT 64
 
#define C8_DEFAULT_WINDOW_WIDTH 800
#define C8_DEFAULT_WINDOW_HEIGHT 400
#define C8_WINDOW_SCALE_X (C8_DEFAULT_WINDOW_WIDTH / C8_LOW_DISPLAY_WIDTH)
#define C8_WINDOW_SCALE_Y (C8_DEFAULT_WINDOW_HEIGHT / C8_LOW_DISPLAY_HEIGHT)
 
#define C8_DISPLAYMODE_LOW 0
#define C8_DISPLAYMODE_HIGH 1
 
typedef struct {
    uint8_t p[C8_HIGH_DISPLAY_WIDTH * C8_HIGH_DISPLAY_HEIGHT];
    uint8_t mode;
    uint8_t x, y;
} c8_display_t;
 
uint8_t *c8_get_pixel(c8_display_t *, int, int);
 
extern void c8_beep(void);
extern void c8_deinit_graphics(void);
extern uint8_t c8_init_graphics(void);
extern void c8_render(c8_display_t *, int *);
extern int c8_tick(int *, int);
 
#endif