the GBA MinMod instrument editor contains two tabs: Sample and Macros.
for sample settings, see the Sample instrument editor.
- Volume: volume sequence.
- Arpeggio: pitch sequence.
- Waveform: waveform sequence.
- Panning (left): output level for left channel.
- Panning (right): output level for right channel.
- Pitch: fine pitch.
- Phase Reset: trigger restart of waveform.
- Special: invert outputs.