Add documentation for effect 16xy for FDS

Automatic modulation speed, using effect 16xy, was not documented for the
Famicom Disk System. This commit adds documentation. It was adapted from
pre-existing documentation for envelope speeds that says roughly the same
thing.
This commit is contained in:
KungFuFurby 2025-09-05 14:42:46 -04:00 committed by tildearrow
parent 10e1579089
commit 710545e706

View file

@ -24,6 +24,11 @@ it also offers an additional 6-bit, 64-byte wavetable sound channel with (somewh
- 6: -2 - 6: -2
- 7: -1 - 7: -1
- **do not use this effect.** it only exists for compatibility reasons - **do not use this effect.** it only exists for compatibility reasons
- `16xy`: **enable automatic modulation speed mode.**
- in this mode the modulation speed is set to the channel's notes, multiplied by a fraction.
- `x` is the numerator.
- `y` is the denominator.
- if `x` or `y` are 0 this will disable automatic modulation speed mode.
## info ## info