109
MIDI Implementation
Appendices
●
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.
*
Data Set message is transmitted when MIDI Bulk dump is performed in MIDI mode.
●
Universal Non-Realtime System Exclusive Message
❍
Indentity Reply
Status
Data Bytes
Status
F0H
7EH,dev,06H,02H
F7H
41H,1CH,01H,00H,00H
00H,02H,00H,00H
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)
02H
Sub ID#2 (Identity Reply)
41H
Manufacturer (Roland)
1CH,01H
Device Family Code
00H,00H
Device Family Number Code
00H,02H,00H,00H
Software Revision Level
F7H
EOX (End of System Exclusive Message)
*
Device ID is smaller the MIDIch number by 1 in MIDI mode.
*
When Identity Request message is received, Indentity Reply message will be
transmitted.
■
System Common Message
Not transmitted when “SYNC“ of the MIDI mode is set at MIDI.
●
Song Position Pointer
Status
Second
Third
F2H
llH
mmH
mm,ll = Value:
00H,00H - 7FH,7FH (0 - 16383)
*
Transmitted when the PART is specified by pressing RWD or FWD in SONG mode.
●
Song Select
Status
Second
F3H
ssH
ss = Song number:
00H - 63H (0 - 99)
*
Transmitted when SONG mode is selected or new song is selected in SONG mode.
*
Indicates correspondence between Song and Song number as follows.
Song
Song number
0
1
1
2
: :
99
100
■
System Realtime Message
Not transmitted when “SYNC” of the MIDI mode is set at MIDI.
When RESET is pressed with the DR-770 in playing, Stop and Start messages are
transmitted continuosly.
●
Timing Clock
Status
F8H
●
Start
Status
FAH
●
Continue
Status
FBH
●
Stop
Status
FCH
●
Active Sensing
Status
FEH
*
Transmitted about 250 msec interval.
Summary of Contents for Dr. Rhythm DR-770
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