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Roland SD 90 Service Manual

MIDI Implementation
Model SD-90 Date December 12, 2001 Version 1.02

1. Receive data

■Channel Voice Messages
●Note off
* Not received when the Envelope Mode parameter (PATCH/TONE and RHYTHM/
TONE) is NO-SUS.
●Note on
●Polyphonic Key Pressure
●Control Change
* If the corresponding Controller number is selected for the Patch Control Source 1, 2, 3 or
4 parameter (PATCH COMMON), the corresponding effect will occur.
* If a Controller number that corresponds to the System Control Source 1, 2, 3 or 4
parameter (SYSTEM/COMMON) is selected, the specified effect will apply if Patch Control Source 1, 2, 3 or 4 parameter (PATCH/COMMON) is set to SYS-CTRL1, CTRL-2, CTRL-3 or CTRL-4.
❍Bank Select (Controller number 0, 32)
BANK | GROUP MSB (mm) | |
----------+-----------------------+---------------------­ 121 | GM2 | INSTRUMENT 120 | GM2 | DRUM SET | | 080 | SD SPECIAL SET 1 | INSTRUMENT 081 | SD SPECIAL SET 2 | INSTRUMENT | | 096 | CLASSICAL SET | INSTRUMENT 097 | CONTEMPORARY SET | INSTRUMENT 098 | SOLO SET | INSTRUMENT 099 | ENHANCED SET | INSTRUMENT | | 104 | CLASSICAL SET | DRUM SET 105 | CONTEMPORARY SET | DRUM SET 106 | SOLO SET | DRUM SET 107 | ENHANCED SET | DRUM SET
❍Modulation (Controller number 1)
❍Portamento Time (Controller number 5)
❍Data Entry (Controller number 6, 38)
Status 2nd byte 3rd byte BnH 06H mmH BnH 26H llH n = MIDI channel number: 0H - FH (Ch.1 - 16) mm, ll = the value of the parameter specified by RPN/NRPN mm = MSB, ll = LSB
❍Volume (Controller number 7)
Status 2nd byte 3rd byte BnH 07H vvH n = MIDI channel number:0H - FH (Ch.1 - 16) vv = Volume: 00H - 7FH (0 - 127)
❍Panpot (Controller number 10)
Status 2nd byte 3rd byte BnH 0AH vvH n = MIDI channel number:0H - FH (Ch.1 - 16) vv = Panpot: 00H - 40H - 7FH (Left - Center - Right),
❍Expression (Controller number 11)
Status 2nd byte 3rd byte BnH 0BH vvH n = MIDI channel number:0H - FH (Ch.1 - 16) vv = Expression: 00H - 7FH (0 - 127)
❍Hold 1 (Controller number 64)
Status 2nd byte 3rd byte BnH 40H vvH n = MIDI channel number:0H - FH (Ch.1 - 16) vv = Control value: 00H - 7FH (0 - 127) 0-63 = OFF, 64-127 = ON
❍Portamento (Controller number 65)
Status 2nd byte 3rd byte BnH 41H vvH n = MIDI channel number:0H - FH (Ch.1 - 16) vv = Control value: 00H - 7FH (0 - 127) 0 - 63 = OFF, 64 - 127 = ON
❍Sostenuto (Controller number 66)
Status 2nd byte 3rd byte BnH 42H vvH n = MIDI channel number:0H - FH (Ch.1 - 16) vv = Control value: 00H - 7FH (0 - 127) 0 - 63 = OFF, 64 - 127 = ON
❍Soft (Controller number 67)
Status 2nd byte 3rd byte BnH 43H vvH n = MIDI channel number:0H - FH (Ch.1 - 16) vv = Control value: 00H - 7FH (0 - 127) 0 - 63 = OFF, 64 - 127 = ON
❍Legato Foot Switch (Controller number 68)
Status 2nd byte 3rd byte BnH 44H vvH n = MIDI channel number:0H - FH (Ch.1 - 16) vv = Control value: 00H - 7FH (0 - 127) 0 - 63 = OFF, 64 - 127 = ON
❍Resonance (Controller number 71)
Status 2nd byte 3rd byte BnH 47H vvH n = MIDI channel number:0H - FH (Ch.1 - 16) vv= Resonance value (relative change):00H - 7FH (-64 - 0 - +63),
❍Release Time (Controller number 72)
Status 2nd byte 3rd byte BnH 48H vvH n = MIDI channel number:0H - FH (Ch.1 - 16) vv = Release Time value (relative change):00H - 7FH (-64 - 0 - +63),
❍Attack time (Controller number 73)
Status 2nd byte 3rd byte BnH 49H vvH n = MIDI channel number:0H - FH (Ch.1 - 16) vv = Attack time value (relative change):00H - 7FH (-64 - 0 - +63),
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MIDI Implementation
❍Cutoff (Controller number 74)
❍Decay Time (Controller number 75)
❍Vibrato Rate (Controller number 76)
❍Vibrato Depth (Controller number 77)
❍Vibrato Delay (Controller number 78)
❍General Purpose Controller 5 (Controller number 80)
* The Tone Level parameter (PATCH/TONE) of Tone 1 will change.
❍General Purpose Controller 6 (Controller number 81)
* The Tone Level parameter (PATCH/TONE) of Tone 2 will change.
❍General Purpose Controller 7 (Controller number 82)
* The Tone Level parameter (PATCH/TONE) of Tone 3 will change.
❍General Purpose Controller 8 (Controller number 83)
* The Tone Level parameter (PATCH/TONE) of Tone 4 will change.
❍Portamento control (Controller number 84)
❍Effect 1 (Reverb Send Level) (Controller number 91)
Status 2nd byte 3rd byte BnH 5BH vvH n = MIDI channel number:0H - FH (Ch.1 - 16) vv = Reverb Send Level:00H - 7FH (0 - 127) Default Value = 28H (40)
❍Effect 3 (Chorus Send Level) (Controller number 93)
Status 2nd byte 3rd byte BnH 5DH vvH n = MIDI channel number:0H - FH (Ch.1 - 16) vv = Chorus Send Level:00H - 7FH (0 - 127) Default Value = 00H (0)
❍RPN MSB/LSB (Controller number 100, 101)
Status 2nd byte 3rd byte BnH 65H mmH BnH 64H llH n = MIDI channel number:0H - FH (Ch.1 - 16) mm = upper byte (MSB) of parameter number specified by RPN ll = lower byte (LSB) of parameter number specified by RPN
<<< RPN >>> Control Changes include RPN (Registered Parameter Numbers), which are extended When using RPNs, first the RPN (Controller numbers 100 and 101; they can be sent in any
This device receives the following RPNs.
RPN Data entry MSB, LSB MSB, LSB Notes 00H, 00H mmH, llH Pitch Bend Sensitivity
mm: 00H - 18H (0 - 24 semitones) ll: ignored (processed as 00H) Up to 2 octave can be specified in semitone steps.
00H, 01H mmH, llH Master Fine Tuning
mm, ll: 20 00H - 40 00H - 60 00H (-8192 - 50/ 8192 - 0 -
+8192*50/8192 cent)
00H, 02H mmH, llH Master Coarse Tuning
mm: 10H - 40H - 70H (-48 - 0 - +48 semitones) ll: ignored (processed as 00H)
7FH, 7FH ---, --- RPN null
RPN and NRPN will be set as "unspecified". Once this setting has been
made, subsequent
Parameter values that were previously set will not change. mm, ll: ignored
●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)
●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)
* A Note-on received immediately after a Portamento Control message will change
continuously in pitch, starting from the pitch of the Source Note Number.
* If a voice is already sounding for a note number identical to the Source Note Number,
this voice will continue sounding (i.e., legato) and will, when the next Note-on is received, smoothly change to the pitch of that Note-on.
* The rate of the pitch change caused by Portamento Control is determined by the
Portamento Time value.
2
MIDI Implementation
■Channel Mode Messages
●All Sounds Off (Controller number 120)
* When this message is received, all notes currently sounding on the corresponding
channel will be turned off.
●Reset All Controllers (Controller number 121)
* When this message is received, the following controllers will be set to their reset values.
Controller Pitch Bend Change +/-0 (center) Polyphonic Key Pressure 0 (off) Channel Pressure 0 (off) Modulation 0 (off) Expression 127 (max) Hold 1 0 (off) Sostenuto 0 (off) Soft 0 (off) Hold 2 0 (off) RPN unset; previously set data will not change NRPN unset; previously set data will not change
●All Notes Off (Controller number 123)
* When All Notes Off is received, all notes on the corresponding channel will be turned
off. However, if Hold 1 or Sostenuto is ON, the sound will be continued until these are turned off.
●OMNI OFF (Controller number 124)
* The same processing will be carried out as when All Notes Off is received.
●MNI ON (Controller number 125)
* The same processing will be carried out as when All Notes Off is received. OMNI ON
will not be turned on.
Reset value
further messages. While monitoring, if the interval between messages exceeds 420 ms, the same processing will be carried out as when All Sounds Off, All Notes Off and Reset All Controllers are received, and message interval monitoring will be halted.
■System Exclusive Message
Status Data byte Status
F0H iiH, ddH, ......,eeH F7H
F0H: System Exclusive Message status ii = ID number: an ID number (manufacturer ID) to indicate the manufacturer whose Exclusive message this is. Roland's manufacturer ID is 41H.
ID numbers 7EH and 7FH are extensions of the MIDI standard; Universal Non-realtime Messages (7EH) and Universal Realtime Messages (7FH). dd,...,ee = data: 00H - 7FH (0 - 127) F7H: EOX (End Of Exclusive)
Of the System Exclusive messages received by this device, the Universal Non-realtime messages and the Universal Realtime messages and the Data Request (RQ1) messages and the Data Set (DT1) messages will be set automatically.
●Universal Non-realtime System Exclusive Messages
❍Identity Request Message
Status Data byte Status F0H 7EH, dev, 06H, 01H F7H
Byte Explanation F0H Exclusive status 7EH ID number (Universal Non-realtime Message) dev Device ID (dev: 00H - 1FH (1 - 32), the initial value is 10H (17).) 06H Sub ID#1 (General Information) 01H Sub ID#2 (Identity Request) F7H EOX (End Of Exclusive)
* When this message is received, Identity Reply Message (p. 6) will be transmitted.
❍GM1 System On
Status Data byte Status F0H 7EH, 7FH, 09H, 01H F7H
Byte Explanation F0H Exclusive status 7EH ID number (Universal Non-realtime Message) 7FH Device ID (Broadcast) 09H Sub ID#1 (General MIDI Message) 01H Sub ID#2 (General MIDI 1 On) F7H EOX (End Of Exclusive)
* When this messages is received, this instrument will turn to the GM1 mode.
❍GM2 System On
Status Data byte Status F0H 7EH 7FH 09H 03H F7H
●MONO (Controller number 126)
* The same processing will be carried out as when All Notes Off is received.
●POLY (Controller number 127)
* The same processing will be carried out as when All Notes Off is received.
■System Realtime Message
●Active Sensing
Status FEH
* When Active Sensing is received, the unit will begin monitoring the intervals of all
Byte Explanation F0H Exclusive status 7EH ID number (Universal Non-realtime Message) 7FH Device ID (Broadcast) 09H Sub ID#1 (General MIDI Message) 03H Sub ID#2 (General MIDI 2 On) F7H EOX (End Of Exclusive)
* When this messages is received, this instrument will turn to the GM2 mode.
❍GM System Off
Status Data byte Status F0H 7EH,7F,09H,02H F7H
Byte Explanation F0H Exclusive status 7EH ID number (Universal Non-realtime Message) 7FH Device ID (Broadcast) 09H Sub ID#1 (General MIDI Message) 02H Sub ID#2 (General MIDI Off) F7H EOX (End Of Exclusive)
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MIDI Implementation
* When this messages is received, this instrument will return to the Native mode.
●Universal System Exclusive Messages
❍Master Volume
Status Data byte Status F0H 7FH, 7FH, 04H, 01H, llH, mmH F7H
Byte F0H Exclusive status 7FH ID number (universal realtime message) 7FH Device ID (Broadcast) 04H Sub ID#1 (Device Control messages) 01H Sub ID#2 (Master Volume) llH Master Volume lower byte mmH Master Volume upper byte F7H EOX (End Of Exclusive)
* The lower byte (llH) of Master Volume will be handled as 00H. mmH: 00H - 40H -7FH
* The Master Level parameter (SYSTEM/COMMON) will change.
Explanation
Default Value = 40H (64)
❍Master Fine Tuning
Status Data byte Status F0H 7FH,7FH,04H,03H,llH,mmH F7H Byte Explanation F0H Exclusive status 7FH ID number (universal realtime message) 7FH Device ID (Broadcast) 04H Sub ID#1 (Device Control) 03H Sub ID#2 (Master Fine Tuning) llH Master Fine Tuning LSB mmH Master Fine Tuning MSB F7H EOX (End Of Exclusive)
mm, ll : 00 00H - 40 00H - 7F 7FH (-100 - 0 - +99.9 [cents])
* The Master Tune parameter (SYSTEM/COMMON) will change.
llH: Default Value = 40H (64) mmH: Default Value = 00H (0)
❍Master Coarse Tuning
Status Data byte Status F0H 7FH,7FH,04H,04H,llH,mmH F7
Byte Explanation F0H Exclusive status 7FH ID number (universal realtime message) 7FH Device ID (Broadcast) 04H Sub ID#1 (Device Control) 04H Sub ID#2 (Master Coarse Tuning) llH Master Coarse Tuning LSB mmH Master Coarse Tuning MSB F7H EOX (End Of Exclusive)
llH : ignored (processed as 00H)
mmH : 28H - 40H - 58H (-24 - 0 - +24 [semitones])
* The Master Key Shift parameter (SYSTEM/COMMON) will change.
Default Value = 40H (64)
Default Value = 00H (0)
●Reverb Parameter Control
Status Data byte Status F0H 7FH,7FH,04H,05H,01H,01H,01H,01H,01H,ppH,vvH F7H
Byte Explanation F0H Exclusive status 7FH ID number (universal realtime message) 7FH Device ID (Broadcast) 04H Sub ID#1 (Device Control) 05H Sub ID#2 (Global Parameter Control) 01H Slot path length 01H Parameter ID width 01H Value width
01H Slot path MSB 01H Slot path LSB (Effect 0101: Reverb) ppH Parameter to be controlled. vvH Value for the parameter. (Default Value = 4)
pp=0 Reverb Type
vv = 00H Small Room
vv = 01H Medium Room
vv = 02H Large Room
vv = 03H Medium Hall
vv = 04H Large Hall
vv = 08H Plate
pp=1 Reverb Time
vv = 00H - 7FH 0 - 127 F7H EOX (End Of Exclusive)
❍Chorus Parameters
Status Data byte Status F0H 7FH,7FH,04H,05H,01H,01H,01H,01H,02H,ppH,vvH F7H
Byte Explanation F0H Exclusive status 7FH ID number (universal realtime message) 7FH Device ID (Broadcast) 04H Sub ID#1 (Device Control) 05H Sub ID#2 (Global Parameter Control) 01H Slot path length 01H Parameter width 01H Value width 01H Slot path MSB 02H Slot path LSB (Effect 0102: Chorus) ppH Parameter to be controlled. vvH Value for the parameter. (Default Value = 2)
pp=0 Chorus Type
vv=0 Chorus1
vv=1 Chorus2
vv=2 Chorus3
vv=3 Chorus4
vv=4 FB Chorus
vv=5 Flanger
pp=1 Mod Rate
vv= 00H - 7FH 0 - 127
pp=2 Mod Depth
vv = 00H - 7FH 0 - 127
pp=3 Feedback
vv = 00H - 7FH 0 - 127
pp=4 Send To Reverb
vv = 00H - 7FH 0 - 127 F7H EOX (End Of Exclusive)
❍Controller Destination Setting (Aftertouch)
Status Data byte Status F0H 7FH,7FH,09H,01H,0nH,ppH,rrH F7H
Byte Explanation F0H Exclusive status 7FH ID number (universal realtime message) 7FH Device ID (Broadcast) 09H Sub ID#1 (Controller Destination Setting) 01H Sub ID#2 (Channel Pressure) 0nH MIDI Channel (00 - 0F) ppH Controlled parameter rrH Controlled range
pp=0 Pitch Control
rr = 28H - 58H -24 - +24 [semitones] (Default Value = 40H)
pp=1 Filter Cutoff Control
rr = 00H - 7FH -9600 - +9450[cents] (Default Value = 40H)
pp=2 Amplitude Control
rr = 00H - 7FH 0 - 127 / 64 x 100% (Default Value = 40H)
pp=3 LFO Pitch Depth
rr = 00H - 7FH 0 - 600[cents] (Default Value = 0)
pp=4 LFO Filter Depth
rr = 00H - 7FH 0 - 2400[cents] (Default Value = 0)
pp=5 LFO Amplitude Depth
rr = 00H - 7FH 0 - 100% (Default Value = 0) F7H EOX (End Of Exclusive)
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MIDI Implementation
❍Controller Destination Setting (Controller)
Status Data byte Status F0H 7FH,7FH,09H,03H,0nH,ccH,ppH,rrH F7H
Byte Explanation F0H Exclusive status 7FH ID number (universal realtime message) 7FH Device ID (Broadcast) 09H Sub ID#1 (Controller Destination Setting) 03H Sub ID#2 (Control Change) 0nH MIDI Channel (00 - 0F) ccH Controller number (01 - 1F, 40 - 5F) ppH Controlled parameter rrH Controlled range
pp=0 Pitch Control rr = 28H - 58H -24 - +24[semitones] (Default Value = 40H) pp=1 Filter Cutoff Control rr = 00H - 7FH -9600 - +9450[cents] (Default Value = 40H) pp=2 Amplitude Control rr = 00H - 7FH 0 - 127 / 64 x 100% (Default Value = 40H) pp=3 LFO Pitch Depth rr = 00H - 7FH 0 - 600[cents] (Default Value = 0) pp=4 LFO Filter Depth rr = 00H - 7FH 0 - 2400[cents] (Default Value = 0) pp=5 LFO Amplitude Depth rr = 00H - 7FH 0 - 100 % (Default Value = 0)
F7H EOX (End Of Exclusive)
❍Scale/Octave Tuning Adjust
Status Data byte Status F0H 7EH,7FH,08H,08H,ffH,ggH,hhH,ssH... F7H
Byte Explanation F0H Exclusive status 7EH ID number (Universal Non-realtime Message) 7FH Device ID (Broadcast) 08H Sub ID#1 (MIDI Tuning Standard) 08H Sub ID#2 (scale/octave tuning 1-byte form) ffH Channel/Option byte1
bits 0 to 1 = channel 15 to 16 bit 2 to 6 = Undefined
ggH Channel byte2
bits 0 to 6 = channel 8 to 14
hhH Channel byte3
bits 0 to 6 = channel 1 to 7
ssH 12 byte tuning offset of 12 semitones from C to B
00H = -64 [cents] 40H = 0 [cents] (equal temperament) 7FH = +63 [cents]
F7H EOX (End Of Exclusive)
❍Key-Based Instrument Controllers
Status Data byte Status F0H 7FH,7FH,0AH,01H,0nH,kkH,nnH,vvH... F7H
Byte Explanation F0H Exclusive status 7FH ID number (universal realtime message) 7FH Device ID (Broadcast) 0AH Sub ID#1 (Key-Based Instrument Control) 01H Sub ID#2 (Controller) 0nH MIDI Channel (00 - 0F) kkH Key Number nnH Control Number vvH Value F7 EOX (End Of Exclusive)
nn=07H Level
vv = 00H - 7FH 0 - 127 / 64 x 100% (Relative) (Default Value = 40H)
nn=0AH Pan
vv = 00H - 7FH Left - Right (Absolute)
nn=5BH Reverb Send
vv = 00H - 7FH 0 - 127 (Absolute)
nn=5D Chorus Send
vv = 00H - 7FH 0 - 127 (Absolute)
* This parameter affects drum instruments only.
●Data Transmission
This instrument can use exclusive messages to exchange many varieties of internal settings with other devices. The model ID of the exclusive messages used by this instrument is 00H 48H.
❍Data Request 1RQ1 (11H)
This message requests the other device to transmit data. The address and size indicate the type and amount of data that is requested. When a Data Request message is received, if the device is in a state in which it is able to transmit data, and if the address and size are appropriate, the requested data is transmitted as a Data Set 1 (DT1) message. If the conditions are not met, nothing is transmitted.
Status Data Byte Status F0H 41H, dev, 00H, 48H, 11H, aaH, bbH, ccH, ddH, ssH, F7H
ttH, uuH, vvH, sum
Byte Remarks F0H Exclusive status 41H ID number (Roland) dev device ID (dev: 10H - 1FH, 7FH) 00H model ID #1 (SD-90) 48H model ID #2 (SD-90) 11H command ID (RQ1) aaH address MSB bbH address ccH address ddH address LSB ssH size MSB ttH size uuH size vvH size LSB sum checksum F7H EOX (End Of Exclusive)
* The size of data that can be transmitted at one time is fixed for each type of data. And
data requests must be made with a fixed starting address and size. Refer to the address and size given in "Parameter address map (p. 7)."
* For the checksum, refer to Example of an Exclusive message and calculating a
checksum (p. 19).
❍Data set 1DT1 (12H)
Status Data byte Status F0H 41H, dev, 00H, 48H, 12H, aaH, bbH, ccH, ddH, F7H
eeH, ... ffH, sum Byte Explanation F0H Exclusive status 41H ID number (Roland) dev Device ID (dev: 00H - 1FH, Initial value is 10H) 00H Model ID #1 (SD-90) 48H Model ID #2 (SD-90) 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 Section 2, "Parameter address map (p. 7)."
* 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.
* For the checksum, refer to Example of an Exclusive message and calculating a
checksum (p. 19).
Status Data byte Status
5
MIDI Implementation
F0H 41H, dev, 42H, 12H, aaH, bbH, ccH, ddH, ... eeH, sum F7H
Byte Explanation F0H Exclusive status 41H ID number (Roland) dev Device ID (dev: 10H) 42H Model ID (GS) 12H Command ID (DT1) aaH Address MSB: upper byte of the starting address of the transmitted data bbH Address: middle byte of the starting address of the transmitted data ccH Address LSB: lower byte of the starting address of the transmitted data ddH Data: the actual data to be transmitted. Multiple bytes of data are transmitted starting from the address. : : eeH 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 Section 2, "Parameter address map (p. 7)."
* 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.
* Regarding the checksum, please refer to p. 19.
■System Exclusive messages
Universal Non-realtime System Exclusive Message" and Data Set 1 (DT1) are the only System Exclusive messages transmitted by the SD-90.
: : 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 Section 2, "Parameter address map (p. 7)."
* 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.
●Universal Non-realtime System Exclusive Message
❍Identity Reply Message
Receiving Identity Request Message, the SD-90 send this message.
Status Data byte Status F0H 7EH, dev, 06H, 02H, 41H, 10H, 01H, 00H, F7H
Byte Explanation FOH Exclusive status 7EH ID number (Universal Non-realtime Message) dev Device ID (use the same as the device ID of Roland) 06H Sub ID#1 (General Information) 02H Sub ID#2 (Identity Reply) 41H ID number (Roland) 48H 01H Device family code 00H 00H Device family number code 00H 00H 00H 00H Software revision level F7H EOX (End of Exclusive)
00H, 00H, 00H, 00H, 00H
●Data Transmission
❍Data set 1DT1 (12H)
Status Data byte Status F0H 41H, dev, 00H, 48H, 12H, aaH, bbH, ccH, ddH, F7H
Byte Explanation F0H Exclusive status 41H ID number (Roland) dev Device ID (dev: 00H - 1FH, Initial value is 10H) 00H Model ID #1 (SD-90) 48H Model ID #2 (SD-90) 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.
eeH, ... ffH, sum
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