Proteus operation manual
119
MIDI Specifications
MIDI SPECIFICATIONS
RECEIVED SYSTEM COMMANDS
For system exclusive commands, the following format is used:
F0 system exclusive status byte
18 E-mu ID byte
04 product ID byte
dd device ID byte
cc command byte
... data bytes (256 bytes/preset)
F7 EOX
Two MIDI bytes (lsb, msb) are required for each 14 bit data word. Bits 0-
6 are sent first, followed by bits 7-13 in the next MIDI byte. All data words
are signed 2's complement values with sign-extension out to the most
significant bit (bit 13). This convention applies to all data words, regard-
less of the parameter's value range.
Command Message Comments
Preset Data Request F0 18 04 dd 00 ll mm F7 ll = preset # lsb,
mm =preset # msb
7F 7F = all user presets 7E 7F = all factory presets
Preset Data F0 18 04 dd 01 ll mm ... ... cs F7
cs = checksum = sum of all data bytes
Parameter Value F0 18 04 dd 02 pl pm F7
Request pl = parameter # lsb pm = msb
Parameter Value F0 18 04 dd 03 pl pm vl vm F7
vl = value lsb vm = msb
Tuning Table Request F0 18 04 dd 04 F7
Tuning Table F0 18 04 dd 05 ... ... F7
Program Map Request F0 18 04 dd 06 F7
Program Map Data F0 18 04 dd 07 ... ... F7
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