4 #define wait_vblank() \
6 while(REG_DISPSTAT & DISPSTAT_VBLANK); \
7 while(!(REG_DISPSTAT & DISPSTAT_VBLANK)); \
12 REG_DISPCNT = DISPCNT_BG2 | DISPCNT_OBJ | 4 | ((x) << 4); \
16 #define set_bg_color(idx, r, g, b) \
18 ((uint16_t*)CRAM_BG_ADDR)[idx] = (uint16_t)(r) | ((uint16_t)(g) << 5) | ((uint16_t)(b) << 10); \