||Read/Write||ADR||HEXADR||NAME||Description||shadow||OS
|Read|537601|$D201|POT1|Pot/paddle 1|625|all
|Write|53761|$D201|AUDC1| Audio channel 1 control|none|all

||Bit||Description
|7,6,5|Distortion
|4|Volume only
|3,2,1,0|Volume

Volume from 0 to 15 (16 steps)

||7||6||5||description
|1|1|0|4-bit poly
|1|x|1|rectangular curve
|1|0|0|17-bit-poly
|0|1|0|5-bit poly, then 4-bit-poly
|0|x|1|5-bit poly
|0|0|0|5-bit poly, then 17-bit-poly