source: buchla-68k/orig/DOC/MIDICTL.TXT

Decimal         Hexadecimal     Control Function
-------         -----------     ----------------
  0             00              Undefined
  1             01              Modulation wheel
  2             02              Breath controller
  3             03              -undefined-
  4             04              Foot controller
  5             05              Portamento time
  6             06              Data Entry MSB
  7             07              Main volume
  8             08              Balance
  9             09              -undefined-
 10             0A              Pan
 11             0B              Expression controller
 12 .. 15       0C .. 0F        -undefined-
 16 .. 19       10 .. 13        General purpose controllers  (1 ..4)
 20 .. 31       14 .. 1F        -undefined-

 32 .. 37       20 .. 25        LSB for values 0 .. 5
 38             26              Data Entry LSB
 39 .. 47       27 .. 2F        LSB for values 7 .. 15
 48 .. 63       30 .. 3F        LSB for values 16 .. 31

 64             40              Damper pedal  (sustain)
 65             41              Portamento
 66             42              Sostenuto
 67             43              Soft pedal
 68 .. 79       44 .. 4F        -undefined-

 80 .. 83       50 .. 53        General purpose controllers  (5 .. 8)
 84 .. 90       54 .. 5A        -undefined-
 91             5B              External effects depth
 92             5C              Tremolo depth
 93             5D              Chorus depth
 94             5E              Celeste (detune) depth
 95             5F              Phaser depth

 96             60              Data increment
 97             61              Data decrement
 98             62              Non-registered parameter number LSB
 99             63              Non-registered parameter number MSB
100             64              Registered parameter number LSB
101             65              Registered parameter number MSB
102 .. 111      66 .. 6F        -undefined-

112 .. 121      70 .. 79        -undefined-
122             7A              Local control  (v = 0 = off, v = 127 = on)
123             7B              All notes off  (v = 0)
124             7C              Omni mode off  (v = 0)
125             7D              Omni mode on   (v = 0)
126             7E              Mono mode on   (v = number of channels)
127             7F              Poly mode on   (v = 0)