Midi Implementation - Alesis D4 Service Manual

11.00 MIDI Implementation

TRANSMITTED DATA
Channel Messages
Status
1001 nnnn
Universal System Exclusive Messages
(Transmitted on power up and when Inquiry Request is received)
Byte
1111 0000
0111 1110
0uuu uuuu
0000 0110
0000 0010
0000 0000
0000 0000
0000 1110
0000 0110
0000 0000
0000 0000
0000 0000
0qqq qqqq
0qqq qqqq
0rrr rrrr
0rrr rrrr
1111 0111
D4/D5 System Exclusive Messages
Byte
1111 0000 Exclusive Status
0000 0000 Manufacturers System Exclusive ID Code
0000 0000 Alesis = 00H,00H,0EH
0000 1110
0000 0110 Device ID (D4 = 6)
0000 nnnn Midi Channel
00oo oooo Opcode (see Sysex section for opcode definitions and data structures)
0ddd dddd Data
---- ----
1111 0111 EOX
Alesis D4/D5 Drum Modules Service Manual
April 3, 1992
D4 Software Version 1.04
Including
September 22, 1995
D5 V1.01
D5 differences are noted in italics.
Second Third
0kkk kkkk 0vvv vvvv
Exclusive Status
Non-Real Time Message ID
Universal Sysex Channel (Same as D4 Midi Channel)
General Information Sub-ID
Inquiry Message Identity Reply
Manufacturers System Exclusive ID Code
Alesis = 00H,00H,0EH
Device Family Code LSB (D4 = 6 D5 = 13H)
Device Family Code MSB
Device Family Member LSB (D4 = 0)
Device Family Member MSB
Software Version LSB
Software Version MSB
Software Revision LSB
Software Revision MSB
EOX
Description
Note On
kkk kkkk = 0-127
(61 Key Window + Root Note)
vvv vvvv = 1-127
vvv vvvv = 0 = Note Off
Description
Description
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