Dn-FamiTracker Effects: Expansion Audio

[zeta0134]

These effects are exclusive to expansion channels not present in the stock 2A03. As bhop does not yet support these at all, this issue is especially low priority, but we should track it anyway.

FDS modulation effects

• [ ] Hxx - Modulation depth
• [ ] Ixx - Modulation speed, high
• [ ] Jxx - Modulation speed, low

FDS automatic modulation effects

• [ ] Ixy - Automatic modulation
• [ ] Hxx - Auxiliary modulation multiplier for Ixy
• [ ] Zxx - Modulator frequency bias

Hardware volume envelope effects

• [ ] Exx - FDS hardware attack envelope
• [ ] Exx - FDS hardware decay envelope
• [ ] EE0 - FDS hardware envelope disable

N163 Wave RAM position control effects

• [ ] Zxx - Wave RAM position set
• [ ] Z7F - Wave RAM position restore