Tone Generator, Sweep Flags
[Memory map bit(fields)]
Bits for REG_SND1SWEEP (aka REG_SOUND1CNT_L).
More...Defines | |
| #define | SSW_INC 0 |
| Increasing sweep rate. | |
| #define | SSW_DEC 0x0008 |
| Decreasing sweep rate. | |
| #define | SSW_OFF 0x0008 |
| Disable sweep altogether. | |
| #define | SSW_SHIFT_MASK 0x0007 |
| #define | SSW_SHIFT_SHIFT 0 |
| #define | SSW_SHIFT(n) ((n)<<SSW_SHIFT_SHIFT) |
| #define | SSW_TIME_MASK 0x0070 |
| #define | SSW_TIME_SHIFT 4 |
| #define | SSW_TIME(n) ((n)<<SSW_TIME_SHIFT) |
| #define | SSW_BUILD(shift, dir, time) ( (((time)&7)<<4) | ((dir)<<3) | ((shift)&7) ) |
Detailed Description
Bits for REG_SND1SWEEP (aka REG_SOUND1CNT_L).
Generated on Mon Aug 25 17:03:57 2008 for libtonc by
1.5.3