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218
MIDI Implementation
❍
General Purpose Controller 7 (Controller number 82)
Status
2nd byte 3rd byte
BnH 52H vvH
n = MIDI channel number: 0H - FH (ch.1 - 16)
vv = Control value: 00H - 7FH (0 - 127)
❍
General Purpose Controller 8 (Controller number 83)
Status
2nd byte 3rd byte
BnH 53H vvH
n = MIDI channel number: 0H - FH (ch.1 - 16)
vv = Control value: 00H - 7FH (0 - 127)
❍
Portamento control (Controller number 84)
Status
2nd byte 3rd byte
BnH 54H kkH
n = MIDI channel number: 0H - FH (ch.1 - 16)
kk = source note number: 00H - 7FH (0 - 127)
●
Program Change
Status
2nd byte
CnH ppH
n = MIDI channel number: 0H - FH (ch.1 - 16)
pp = Program number: 00H - 7FH (prog.1 - prog.128)
* These messages are transmitted when Patch, Rhythm Set or Performance is selected. But
not transmitted when Transmit Program Change parameter (SYSTEM/MIDI) is OFF.
* In Performance mode, these messages are not transmitted when External PC Num
parameter (PERFORMANCE/PART) is OFF.
●
Channel Pressure
Status
2nd byte
DnH vvH
n = MIDI channel number: 0H - FH (ch.1 - 16)
vv = Channel Pressure: 00H - 7FH (0 - 127)
●
Pitch Bend Change
Status
2nd byte 3rd byte
EnH llH mmH
n = MIDI channel number: 0H - FH (ch.1 - 16)
mm, ll = Pitch Bend value: 00 00H - 40 00H - 7F 7FH (-8192 - 0 - +8191)
■
Channel Mode Messages
●
MONO (Controller number 126)
Status 2nd byte 3rd byte
BnH 7EH mmH
n = MIDI channel number: 0H - FH (ch.1 - 16)
mm = mono number: 00H - 10H (0 - 16)
●
POLY (Controller number 127)
Status 2nd byte 3rd byte
BnH 7FH 00H
n = MIDI channel number: 0H - FH (ch.1 - 16)
■
System Realtime Messages
●
Active Sensing
Status
FEH
* This message is transmitted at intervals of approximately 250 msec.
* This message is not sent when Transmit Active Sensing parameter (SYSTEM/MIDI) is
OFF.
■
System Exclusive Messages
Universal Non-realtime System Exclusive Message” and Data Set 1 (DT1) are the only
System Exclusive messages transmitted by the JUNO-G.
●
Universal Non-realtime System Exclusive Message
❍
Identity Reply Message (JUNO-G)
Receiving Identity Request Message (p. 213), the JUNO-G send this message.
Status Data byte Status
F0H 7EH, dev, 06H, 02H, 41H, 6BH, 01H, F7H
02H, 01H, 04H, 03H, 00H, 00H
Byte Explanation
F0H Exclusive status
7EH ID number (Universal Non-realtime Message)
dev Device ID (dev: 10H - 1FH)
06H Sub ID#1 (General Information)
02H Sub ID#2 (Identity Reply)
41H ID number (Roland)
6BH 01H Device family code
02H 01H Device family number code
04H 03H 00H 00H Software revision level
F7H EOX (End of Exclusive)
●
Data Transmission
❍
Data set 1 (DT1)
Status
Data byte Status
F0H 41H, dev, 00H, 00H, 15H,12H, aaH, bbH, F7H
ccH, ddH, eeH, ... ffH, sum
Byte
Explanation
F0H Exclusive status
41H ID number (Roland)
dev Device ID (dev: 00H - 1FH, 7FH)
00H Model ID #1 (JUNO-G)
00H Model ID #2 (JUNO-G)
15H Model ID #3 (JUNO-G)
12H Command ID (DT1)
aaH Address MSB: upper byte of the starting address of the data to be sent
bbH Address: upper middle byte of the starting address of the data to be sent
ccH Address: lower middle byte of the starting address of the data to be sent
ddH Address LSB: lower byte of the starting address of the data to be sent.
eeH Data: the actual data to be sent. Multiple bytes of data are transmitted
in order starting from the address.
: :
ffH Data
sum Checksum
F7H EOX (End Of Exclusive)
* The amount of data that can be transmitted at one time depends on the type of data, and
data will be transmitted from the specified starting address and size. Refer to the address
and size given in
Parameter Address Map
(p. 222).
* Data larger than 256 bytes will be divided into packets of 256 bytes or less, and each
packet will be sent at an interval of about 20 ms.
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