Roland A-37 User manual
1
A-37 MIDI Implementation
1 – RECEIVE DATA
All recognized MIDI messages from MIDI-IN are retransmitted on MIDI-OUT-A, with no effect on internal
A-37 performance, except for the A-37 Patch SYS-EX messages that are used to modify the A-37 parameter
area.
Refer to “System exclusive message” description.
2 – TRANSMIT DATA
Channel voice Message
gNote off
Status Second Third
9nH kkH 00H
n=MIDI channel number: 0H – FH (ch.1 – ch.16)
kk=Note number: 00H –7FH (0 – 127)
00H = Velocity (0)
gNote on
Status Second Third
9nH kkH vvH
n=MIDI channel number: 0H – FH (ch.1 – ch.16)
kk=Note number: 00H –7FH (0 – 127)
vv=Velocity 01H – 7FH (1 – 127)
gControl Change
Status Second Third
BnH ccH vvH
n=MIDI channel number: 0H – FH (ch.1 – ch.16)
cc=Control change number: 00H –7FH (0 – 127)
vv= Control change value 00H – 7FH (0 – 127)
gProgram Change
Status Second
CnH ppH
n=MIDI channel number: 0H – FH (ch.1 – ch.16)
pp=program change number: 00H –7FH ( prog. 1 – prog.128)
gChannel After Touch
Status Second
DnH vvH
n=MIDI channel number: 0H – FH (ch.1 – ch.16)
vv=value: 00H –7FH (0 – 127)
2
gPitch Bend Change
Status Second Third
EnH llH mmH
n=MIDI channel number: 0H – FH (ch.1 – ch.16)
ll, mm=value: 00H, 00H – 7FH, 7FH ( -8192 ~ +8191)
gSystem Realtime Message
iActive Sensing
Status
FEH
* This will be transmitted constantly at intervals of approximately 250ms
iTiming Clock
Status
F8H
iStart
Status
FAH
iStop
Status
FCH
System Exclusive Message
gData Transfer
A-37 transmit “Data set 1 (DT1)” message when Data Dump Function is activated
gData set 1 (DT1) (12H)
Status Data byte Status
F0H 41H, 10H, 00H, 02H, 12H, aaH, bbH, ccH, ddH, ....eeH, sum, F7H
Byte Description
F0H Exclusive status
41H Manufacturer’s ID (Roland)
10H Device ID (dev => 10H)
00H Model ID (MSB) (Model A-37)
02H Model ID (LSB)
12H Command ID (DT1)
3
aaH 1st Address byte (01H)
bbH 2nd Address byte (Patch Number 00H – 7FH; 0-127 )
ccH 3rd Address byte (00H)
ddH Data
:
:
eeH Data
sum Checksum
F7H EOX (End of System Exclusive message)
Each A-37 Patch is composed of 49 bytes. When these bytes are transmitted by SYS EX, they are divided in
eight byte groups.
The first data byte of each group contains the status of the BIT7 contained in each one of the next seven
bytes.
4
3 – A-37 Patch address
gBulk Dump
You can send or receive bulk data which contains a large amount of parameter data by using Bulk Dump
communication.
It is used for storing bulk data in a sequencer or a computer.
The address for each A-37 patch is as follows:
Patch Number 1st address byte 2nd address byte 3rd address byte
PATCH-001--------> 01H 00H 00H
PATCH-002--------> 01H 01H 00H
PATCH-003--------> 01H 02H 00H
PATCH-004--------> 01H 03H 00H
PATCH-005--------> 01H 04H 00H
PATCH-006--------> 01H 05H 00H
PATCH-007--------> 01H 06H 00H
PATCH-008--------> 01H 07H 00H
PATCH-009--------> 01H 08H 00H
PATCH-010--------> 01H 09H 00H
PATCH-011--------> 01H 0AH 00H
PATCH-012--------> 01H 0BH 00H
:
:
:
PATCH-127--------> 01H 7EH 00H
PATCH-128--------> 01H 7FH 00H
5
A-37 Patch Structure
01) Upper Data Entry Assign
02) Lower Data Entry Assign
03) Split_value
04) Upper Midi Channel
05) Lower Midi Channel
06) Upper Volume
07) Lower Volume
08) Upper Panpot
09) Lower Panpot
10)Upper Expr
11) Lower Expr
12) Upper Reverb
13) Lower Reverb
14) Upper Chorus
15) Lower Chorus
16) Upper Delay
17) Lower Delay
18) Upper Portam
19) Lower Portam
20) Upper cc00
21) Lower cc00
22) Upper cc32
23) Lower cc32
24) Upper PgCh
25) Lower PgCh
26) Not used in A37
27) Not used in A37
28) Tempo
29) Transpose
30)
bit0 Upper Hold On/Off
bit1 Lower Hold On/Off
bit2 Upper Modulation On/Off
bit3 Lower Modulation On/Off
bit4 Upper After Touch On/Off
bit5 Lower After Touch On/Off
bit6 Upper Pitch Bend On/Off
bit7 Lower Pitch Bend On/Off
31)
bit0,bit1 Upper velocity 0,0 LL; 0,1 L; 1,0 M; 1,1 H
bit2,bit3 Lower velocity 0,0 LL; 0,1 L; 1,0 M; 1,1 H
bit4 Upper Mono/Poly 0=MONO; 1=POLY
bit5 Lower Mono/Poly 0=MONO; 1=POLY
bit6 Transpose On/Off
32)
bit0,bit1,bit2 Upper Octave 0,0,0 = –2; 0,0,1 = –1; 0,1,0 = 0; 0,1,1 = +1; 1,0,0 = +2
bit3,bit4,bit5 Lower Octave 0,0,0 = –2; 0,0,1 = –1; 0,1,0 = 0; 0,1,1 = +1; 1,0,0 = +2
bit6,bit7 Keyboard mode 0,0 = Whole upper; 0,1= Whole lower; 1,0=Split; 1,1=Layer
33)
bit0,bit1 Upper Foot Pedal 0,0 = OFF; 0,1 = ON; 1,0=INV
bit2,bit3 Lower Foot Pedal 0,0 = OFF; 0,1 = ON; 1,0=INV
bit4,bit5 Start/Stop/F8 transmission 0,0 = OUT A; 0,1 = OUT B; 1,0 = OUT A + OUT B
bit6 F8 transmission On/Off
6
* In the A-37, the successive bytes are all unused
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4
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