MIDI Implementation

MiniDexed recognises the following MIDI commands (taken from the source file: https://github.com/probonopd/MiniDexed/blob/main/src/mididevice.cpp).

MIDI Channel Voice Messages

All channel voice messages will act on a specific MIDI channel and will thus apply to any Tone Generators (TGs) listening on that specific MIDI channel and any TGs in MIDI OMNI Mode.

MIDI Command	Hex	Values	Notes
Note Off	0x80	0..127
Note On	0x90	0..127
Control Change	0xB0	Various	See table below
Program Change	0xC0	0..127	Only if MIDIRXProgramChange=1 in minidexed.ini
Pitch Bend	0xE0	0..16383
Aftertouch	0xD0	0..127

MIDI Channel Control Change Messages

All channel control change messages will act on a specific MIDI channel and will thus apply to any Tone Generators (TGs) listening on that specific MIDI channel and any TGs in MIDI OMNI Mode.

MIDI CC	Decimal	Hex	Values	Notes
Bank Select (MSB)	CC#00	0x00	0..127	Recognised, but not used
Mod Wheel	CC#01	0x01	0..127
Breath Control	CC#02	0x02	0..127
Foot Control	CC#04	0x04	0..127
Channel Volume	CC#07	0x07	0..127	Local volume for a specific MIDI channel
Pan	CC#10	0x0A	0..127
Bank Select (LSB)	CC#32	0x20	0..127	Changes the voice bank in use. Currently up to 128 banks are supported (see Voice Data Syx Files)
Sustain	CC#64	0x40	0..127	<=63 = OFF; >=64 = ON
Sound Controller 2	CC#71	0x47	0..127	Filter resonance
Sound Controller 5	CC#74	0x4A	0..127	Filter cut-off
Effects 1 Depth	CC#91	0x5B	0..127	Reverb level
Effects 4 Depth	CC#94	0x5E	0..127	Detune
All sound off	CC#120	0x78	0
All notes off	CC#123	0x7B	0

MIDI System Messages

tbd

MIDI System Real-time Messages

tbd

MIDI System Exclusive Messages

Master Volume

F0 7F 7F 04 01 ll mm F7
ll (LSM) = ignored
mm (MSB) = master volume level