Roland V-4 Bedienungshandbuch PDF herunterladen (Seite 90)

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MIDI implementation

❍Legato(controller number 68)

Status 2nd byte 3rd byte

--------------------------------------------------------------------

BnH 44H xxH

❍Hold 2 (controller number 69)

Status 2nd byte 3rd byte

--------------------------------------------------------------------

BnH 45H xxH

❍Sound Controllers 1--10 (controller numbers 70--79)

Status 2nd byte 3rd byte

--------------------------------------------------------------------

BnH 46 - 4FH vvH

❍General Purpose Controllers 5--8 (controller numbers 80--83)

Status 2nd byte 3rd byte

--------------------------------------------------------------------

BnH 50 - 53FH vvH

❍Portamento Control (controller number 84)

Status 2nd byte 3rd byte

--------------------------------------------------------------------

BnH 54H vvH

❍Effect Depth 2-5 (controller number 92-95)

Status 2nd byte 3rd byte

---------------------------------------------------------------------

BnH 5C - 5FH vvH

●Program Change

Status 2nd byte

-----------------------------------------

CnH ppH

pp= program number

* These messages select channel A and channel B inputs, memory settings, and how the

sub channel is mixed in Presentation mode. For details, refer to the section on Bank

Select.

* If a non-selectable Program Change is received, it will be ignored.

●Channel Pressure

Status 2nd byte

-----------------------------------------

DnH vvH

* Just as for Control Change messages, you can make settings in MIDI Setup to use

Channel Pressure messages to control a wide variety of things. For details on the factory

settings, refer to “Settings Transmitted/Received Using MIDI” (p. 95).

●Pitch Bend Change

Status 2nd byte 3rd byte

--------------------------------------------------------------------

EnH llH mmH

mm, ll= pitch bend value:00 00H - 40 00H - 7F 7FH (-8192 - 0 -+8191)

* Just as for Control Change messages, you can make settings in MIDI Setup to use Pitch

Bend Change messages to control a wide variety of things. For details on the factory

settings, refer to “Settings Transmitted/Received Using MIDI” (p. 95).

■System realtime messages

●Active Sensing

Status

-------

FEH

* Once an Active Sensing message is received, the system will begin monitoring the

interval between all subsequent messages. If there is an interval of greater than

approximately 400 ms between messages while monitoring is occurring, the system will

perform reception error processing and will then stop monitoring the message interval.

●Timing Clock

Status

-------

F8H

* Used to synchronize BPM SYNC.

●Start

Status

-------

FAH

* Specifies the beginning of the beat for BPM SYNC.

●Continue

Status

-------

FBH

* Specifies the beginning of the beat for BPM SYNC.

■System exclusive messages

Status Data bytes Status

------------------------------------------------------------------

F0H iiH, ddH,...,eeH F7H

F0H: System Exclusive Message status

ii= ID number: An ID number (manufacturer ID) that indicates the manufacturer to which

the exclusive message belongs. Roland’s manufacturer ID is 41H. ID numbers 7EH and 7FH

are used for Universal Non-realtime Messages (7EH) and Universal Realtime Messages

(7FH) to extend the MIDI specification.

dd, ... ee= data: 00H--7FH (0--127)

F7H: EOX (End Of Exclusive)

●Data Set 1 (DT1)

This is the message that transfers actual data, and is used to specify data for a device.

Status Data bytes Status

----------------------------------------------------------------------------------------------

F0H 41H, dev, 00H, 5BH, 12H, F7H

aaH, bbH, ccH, ddH,..eeH, sum

Byte Explanation

-------------------------------------------------------------------------------------------------------------------------

F0H Exclusive status

41H ID number (Roland)

dev Device ID (dev: 00H--1FH, factory setting is 00H)

00H Upper byte of model ID (V-4, V-LINK message is 00H)

5BH Lower byte of model ID (V-4, V-LINK message is 51H)

12H Command ID (DT1)

aaH Upper byte of address

bbH Address

ccH Address

ddH Data: the actual data to be transmitted. Multi-byte data is transmitted

in the order of the address.

eeH Data

sum Checksum

F7H EOX (End Of Exclusive)

* For details on setting the address, size, and checksum, refer to “Example of exclusive

message and checksum calculation” (p. 95).

* Data that exceeds 256 bytes must be divided into packets of 256 bytes or less for

transmission. If a subsequent “Data Set 1” message is transmitted, an interval of at least

20 ms must be left between packets.

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