Martin LIGHTING DIRECTOR User Manual download pdf (Page 74)

LIST OF MIDI COMMANDS

The first byte in a MIDI command is the command definition byte, also called status

byte, which indicates what type of MIDI command it is; it must range between $80 and

$FF hexadecimal (128 to 255 decimal). Most other bytes, called data bytes, can range

only between 00 and $7F hexadecimal (0 to 127 decimal).

Command

Name Variables

8x yy zz Note Off x=channel-1 (e.g. channel 1 is $0, channel 2 is $1,

channel 16 is $F), yy=note number from $00 to $7F

(0 to 127 decimal), zz=note off velocity from $00 to

$7F (0 to 127 decimal)

9x yy zz Note On x=channel-1, yy=note number ($00 to $7F), zz=note

off velocity ($00 to $7F). If zz=0 then note off.

Ax yy zz Polyphonic Key

Pressure (after

touch)

x=channel-1, yy=note number ($00 to $7F),

zz=pressure value ($00 to $7F)

Bx yy zz Control Change

(continuous

controllers)

x=channel-1, yy=control number ($00 to $3F),

zz=control value ($00 to $7F). Consult MIDI

instrument manual.

Bx yy zz Control Change

(switches

On/Off)

x=channel-1, yy=control number ($40 to $5F),

zz=control value ($00 to $7F). Consult MIDI

instrument manual.

Bx yy zz Local control x=channel-1, yy=$7A, zz=$00 Off or zz=$7F On

Bx yy zz All notes Off x=channel-1, yy=$7B, zz=$00

Bx yy zz Omni mode Off

(all notes off)

x=channel-1, yy=$7C, zz=$00

Bx yy zz Omni mode On

(all notes off)

x=channel-1, yy=$7D, zz=$00

Bx yy zz Mono mode On

(Poly mode off,

all notes off)

x=channel-1, yy=$7E, zz=the number of channels or

zz=$00 then the number of channels equals the

number of voices in the receiver

Bx yy zz Poly mode On

(Mono mode off,

all notes off)

x=channel-1, yy=$7F, zz=$00

Cx yy Program change x=channel-1, yy=program number ($00 to $7F)

Dx yy Channel

Pressure (After

touch)

x=channel-1, yy=pressure value ($00 to $7F)

Ex yy zz Pitch wheel

change LSB, MSB

x=channel-1, yy=LSB ($00 to $7F), zz=MSB ($00 to

$7F)

F0 System Ex. Start Start of a system exclusive command string

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