#define S1DREG_DELAYOFF 0xFFFE
#define S1DREG_DELAYON 0xFFFF
-#define BBLT_FIFO_EMPTY 0x00
-#define BBLT_FIFO_NOT_EMPTY 0x40
-#define BBLT_FIFO_NOT_FULL 0x30
-#define BBLT_FIFO_HALF_FULL 0x20
-#define BBLT_FIFO_FULL 0x10
-
#define BBLT_SOLID_FILL 0x0c