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MEP transpose
Midi data arithmetics: addition/subtraction
- always filter MIDI_CLOCK, MIDI_START, MIDI_CONT, MIDI_STOP, ACTIVE_SENS messages.
| Name | in+out | type | min | max | comments |
|---|---|---|---|---|---|
| in | in | midi | |||
| out | out | midi | |||
| filtered | out | midi | |||
| code1 | in | button | 0 | 1 | |
| code2 | in | button | 0 | 1 | |
| transpose | in | data | -128 | 127 | -128: bypass transpose |
| wrap around | in | button | 0 | 1 |
code 1
Process OR bypass first midi data BYTE.
- IF code 1 OR code 2 are ON: midi input → transpose → midi out
- IF code 1 AND code 2 are OFF: midi input → midi thru
code 2
Process OR bypass second midi data BYTE
transpose
Add '+' OR subtract '-' midi data values
IF value is = -128 THEN transpose is bypassed!
wrap around
IF a value as a RESULT of expanding OR transposing is not between 1 AND 128:
- IF wrap around is ON: RESULT = f(1-1=128;128+1=1;).
- IF wrap_around is OFF: RESULT = 128 OR 1.