Roland MV-8800 - Page 71

MIDI Implementation
A-71
MV-8800 Appendices
Specifications
MIDI Implementation
❍ RECORD STROBE
Byte
Remarks
F0H Exclusive status
7FH Universal System Exclusive Realtime Header
dev Device ID (or 7FH)
06H MMC Command Message
06H RECORD STROBE
F7H EOX (End of System Exclusive message)
* When in the SONG or PATTERN screen, MV-8800 starts recording.
❍ RECORD EXIT
Byte
Remarks
F0H Exclusive status
7FH Universal System Exclusive Realtime Header
dev Device ID (or 7FH)
06H MMC Command Message
07H RECORD EXIT
F7H EOX (End of System Exclusive message)
* When in the SONG or PATTERN screen, MV-8800 stops recording.
❍ LOCATE (MCP)
Format1—LOCATE [I/F]
Byte
Remarks
F0H Exclusive status
7FH Universal System Exclusive Realtime Header
dev Device ID (or 7FH)
06H MMC Command Message
44H LOCATE (MCP)
02H number of Bytes
00H “I/F” sub command
nnH Information Filed (08H, 09H, 0AH, 0BH, 0CH, 0DH, 0EH, 0FH)
F7H EOX (End of System Exclusive message)
* MV-8800 locates the selected time location stored to the Locator 0-7.
Format2—LOCATE [TARGET]
Byte
Remarks
F0H Exclusive status
7FH Universal System Exclusive Realtime Header
Dev Device ID (or 7FH)
06H MMC command message
44H LOCATE (MCP)
06H Byte count
01H “TARGET” sub-Command
hrH Standard Time Specification with subframes (type ff)
mnH
scH
frH
ffH
F7H EOX (End of Exclusive)
4.1 Messages transmitted during playing
Recorded messages are transmitted during playback.
4.2 Messages that are generated and transmitted
4.2.1 Messages Appearing When Synchronizing
with Other Devices
When the Sync Mode parameter (SYNC or PATTERN SYNC screen) is set to Master.
MV-8800 sends the following messages.
■ System Common Messages
● MIDI Time Code Quater Frame Message
nnn = Message type: 0 = Frame count LS nibble
1 = Frame count MS nibble
2 = Seconds count LS nibble
3 = Seconds count MS nibble
4 = Minutes count LS nibble
5 = Minutes count MS nibble
6 = Hours count LS nibble
7 = Hours count MS nibble
dddd = 4bit nibble data: 0H - FH (0 - 15)
If the upper and lower 4 bits of the count are combined, these bit fields are assigned as
follows.
Frame Count xxxyyyyy
xxx Reserved (000)
yyyyy Frame No. (0-29)
Seconds Count xxyyyyyy
xx Reserved (00)
yyyyyy Seconds Count (0-59)
Minutes Count xxyyyyyy
xx Reserved (00)
yyyyyy Minutes Count (0-59)
Hour Count xyyzzzzz
x Reserved (00)
yy Time Code Type
0 = 24 Frame/Sec
1 = 25 Frame/Sec
2 = 30 Frame/Sec (Drop Frame)
3 = 30 Frame/Sec (Non Drop Frame)
zzzzz Hour Count
* Sent when the MTC Output parameter (SYNC screen) is set to On.
● Song Position Pointer
ll, mm=value: 00, 00H - 7F, 7FH (0 - 16383)
* Sent when the MIDI Clock Output parameter (SYNC or PATTERN SYNC screen) is set to
On.
Status
Data byte Status
F0H
7FH, dev, 06H, 06H F7H
Status
Data byte Status
F0H 7FH, dev, 06H, 07H F7H
Status
Data byte Status
F0H
7FH, dev, 06H, 44H, 02H, 00H, nnH
F7H
Status
Data byte Status
F0H
7FH, dev, 06H, 44H, 06H, 01H,
hrH, mnH, scH, frH, ffH
F7H
4.Data transmission (Sequencer Section)
Status
2nd byte
F1H
mmH (= 0nnndddd)
Status 2nd byte 3rd byte
F2H
llH mmH
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