MIDI configuration

Input device Selects a MIDI input device to control the pattern editor.
Output device Output commands to a MIDI device.
Master sync Generates ticks.
Do not record key releases Skip recording of key release commands.
Map MIDI to NES channels Maps the MIDI channels to the tracker channels (MIDI channel 0 = square 1, channel 1 = square 2...)
Record velocities Translate MIDI note velocities to a volume value.
Auto arpeggiate chords Arpeggiate multiple keypresses.