Midi Implementation - Boss Dr. Rhythm DR-770 Owner's Manual

Dr. Rhythm
Model: DR-770
1. RECOGNIZED RECEIVE DATA
Channel Voice Message
Note On
Status Second
9nH kkH
n = MIDI Channel No.:
kk = Note No.:
vv = Velocity:
Control Change
Expression
Recognized when RxEXPR is set to "ON" in MIDI mode.
Status Second
BnH 0BH
n = MIDI Channel No.:
vv = Expression:
Volume
Recognized when RxVOL is set to "ON" in MIDI mode.
Status Second
BnH 07H
n = MIDI Channel No.:
vv = Volume:
* Controls total volume.
Program Change
Recognized when PRG is set to "ON" in MIDI mode.
Status Second
CnH ppH
n = MIDI Channel No.:
pp = Program Number:
* Receiving program change switches the Drum kit.
* The first Note On after receiving a Program change sounds a voice with a new tone with
exception of the voices which have been sounded before the Program change is received.
* Indicates correspondence between Program number and Drum kit as follows.
Program number Drum kit
prog.1 1
prog.2 2
: :
prog.128 128
System Exclusive Messages
Status Data Bytes
F0H iiH,ddH,...,eeH
F0H: Status of System Exclusive Message
ii = ID number: 41 = Roland
7E = Universal Non-Realtime Message
7F = Universal Realtime Message
dd,...,ee = Data: 00H - 7FH (0 - 127)
F7H: EOX (End Of Exclusive)

MIDI Implementation

Third
vvH
0H - FH (ch.1 - ch.16)
1BH - 51H (27 - 81)
01H - 7FH (1 - 127)
Third
vvH
0H - FH (ch.1 - ch.16)
00H - 7FH (0 - 127)
Third
vvH
0H - FH (ch.1 - ch.16)
00H - 7FH (0 - 127)
0H - FH (ch.1 - ch.16)
00H - 7FH (prog.1 - prog.128)
Status
F7H
Data Request (RQ1)
Byte Description
F0H Status of System Exclusive Messages
41H Manufacturer ID (Roland)
dev Device ID (00H - 0FH)
00H Model ID MSB (DR-770)
1CH Model ID LSB (DR-770)
11H Command ID (RQ1)
aaH Address MSB
aaH Address
aaH Address
aaH Address LSB
ssH Size MSB
ssH Size
ssH Size
ssH Size LSB
sum Check Sum
F7H EOX (End of System Exclusive Message)
* Device ID is the value set by MIDIch in MIDI mode. Actual Device ID is smaller than the
MIDIch number by 1.
* The DR-770 receives Data Request message only when sequencer is in stop and MIDI
Bulk dump is not performed.
Data Set (DT1)
Byte Description
F0H Status of System Exclusive Messages
41H Manufacturer ID (Roland)
dev Device ID (00H - 0FH)
00H Model ID MSB (DR-770)
1CH Model ID LSB (DR-770)
12H Command ID (DT1)
aaH Address MSB
aaH Address
aaH Address
aaH Address LSB
ddH Data MSB
: :
ddH Data LSB
sum Check Sum
F7H EOX (End of System Exclusive Message)
* Device ID is smaller the MIDIch number by 1 in MIDI mode.
* The DR-770 receives Data Set message only when MIDI Bulk dump is not performed and
it is in stop.
Universal Non-Realtime System Exclusive Message
Indentity Request
Status Data Bytes
F0H 7EH,dev,06H,01H
Byte Description
F0H Status of System Exclusive Messages
7EH ID Number (Universal Non-Realtime Message)
dev Device ID (00H-0FH(0-15) or 7FH(Broadcast))
06H Sub ID#1 (General Information)
01H Sub ID#2 (Identity Request)
F7H EOX (End of System Exclusive Message)
* When Identity Request message is received, Indentity Reply message will be
transmitted.
* Device ID is smaller the MIDIch number by 1 in MIDI mode.
* Reply is executed by the unique Device ID when Device ID receives the "Identity
Request message" in the Broadcast (7FH).
Date: Jan. 11.1999
Version: 1.00
Status
F7H
107