Audio channel 1 volume
This reg contains the volume setting for audio channel x. Bits 6,5,4,3,2,1,0 specify 65 linear volume levels as shown below.
| Bit | Function |
|---|---|
| 15-07 | Not used |
| 06 | Forces volume to max (64 ones, no zeros) |
| 05-00 | Sets one of the 64 levels (000000 = no output, 111111 = 63 ones, one zero) |