cgb.h

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#ifndef _CGB_H
#define _CGB_H
 
#include <types.h>
#include <stdint.h>
 
#define RGB(r, g, b) ((uint16_t)((((b) & 0x1f) << 10) | ((uint16_t)(((g) & 0x1f) << 5)) | ((r) & 0x1f)))
 
#define RGB8(r, g, b) (((uint16_t)((((b) >> 3) & 0x1f) << 10)) | ((uint16_t)((((g) >> 3) & 0x1f) << 5)) | (((r) >> 3) & 0x1f))
 
#define RGBHTML(RGB24bit) (RGB8((((RGB24bit) >> 16) & 0xff), (((RGB24bit) >> 8) & 0xff), ((RGB24bit) & 0xff)))
 
#define RGB_RED        RGB(31,  0,  0)
#define RGB_DARKRED    RGB(15,  0,  0)
#define RGB_GREEN      RGB( 0, 31,  0)
#define RGB_DARKGREEN  RGB( 0, 15,  0)
#define RGB_BLUE       RGB( 0,  0, 31)
#define RGB_DARKBLUE   RGB( 0,  0, 15)
#define RGB_YELLOW     RGB(31, 31,  0)
#define RGB_DARKYELLOW RGB(21, 21,  0)
#define RGB_CYAN       RGB( 0, 31, 31)
#define RGB_AQUA       RGB(28,  5, 22)
#define RGB_PINK       RGB(31,  0, 31)
#define RGB_PURPLE     RGB(21,  0, 21)
#define RGB_BLACK      RGB( 0,  0,  0)
#define RGB_DARKGRAY   RGB(10, 10, 10)
#define RGB_LIGHTGRAY  RGB(21, 21, 21)
#define RGB_WHITE      RGB(31, 31, 31)
 
#define RGB_LIGHTFLESH RGB(30, 20, 15)
#define RGB_BROWN      RGB(10, 10,  0)
#define RGB_ORANGE     RGB(30, 20,  0)
#define RGB_TEAL       RGB(15, 15,  0)
 
typedef uint16_t palette_color_t;   
void set_bkg_palette(uint8_t first_palette, uint8_t nb_palettes, const palette_color_t *rgb_data) OLDCALL;
 
void set_sprite_palette(uint8_t first_palette, uint8_t nb_palettes, const palette_color_t *rgb_data) OLDCALL;
 
void set_bkg_palette_entry(uint8_t palette, uint8_t entry, uint16_t rgb_data) OLDCALL;
 
void set_sprite_palette_entry(uint8_t palette, uint8_t entry, uint16_t rgb_data) OLDCALL;
 
void cpu_slow(void);
 
void cpu_fast(void);
 
void set_default_palette(void);
 
void cgb_compatibility(void);
 
#endif /* _CGB_H */