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158
MIDI Implementation
●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 is selected. But not transmitted when
Transmit Program Change parameter (SYSTEM Com MIDI/USB) 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)
■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 Ctrl Tx) 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 V-Synth.
●Universal Non-realtime System Exclusive Message
❍Identity Reply Message
Receiving Identity Request Message, the V-Synth send this message.
Status Data byte Status
F0H 7EH, dev, 06H, 02H, 41H, 53H, 01H, F7H
00H, 00H, 00H, 01H, 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)
53H 01H Device family code
00H 00H Device family number code
00H 01H 00H 00H Software revision level
F7H EOX (End of Exclusive)
●Data Transmission
❍Data Set 1 DT1 (12H)
Status Data byte Status
F0H 41H, dev, 00H, 53H, 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 (V-Synth)
53H Model ID #2 (V-Synth)
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. 159).
* 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.