git.mutantstargoat.com Git - gbajam21/blob - src/util.h

   1 #ifndef UTIL_H_
   2 #define UTIL_H_
   3
   4 #define wait_vblank() \
   5         do { \
   6                 while(REG_DISPSTAT & DISPSTAT_VBLANK); \
   7                 while(!(REG_DISPSTAT & DISPSTAT_VBLANK)); \
   8         } while(0)
   9
  10 #define present(x) \
  11         do { \
  12                 REG_DISPCNT = DISPCNT_BG2 | DISPCNT_OBJ | 4 | ((x) << 4); \
  13         } while(0)
  14
  15
  16 #define set_bg_color(idx, r, g, b) \
  17         do { \
  18                 ((uint16_t*)CRAM_BG_ADDR)[idx] = (uint16_t)(r) | ((uint16_t)(g) << 5) | ((uint16_t)(b) << 10); \
  19         } while(0)
  20
  21
  22 #endif  /* UTIL_H_ */