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202

MIDI-Implementation

● OMNI OFF (Controller number 124)

Status 2nd byte 3rd byte

BnH 7CH 00H

n = MIDI channel number: 0H - FH (ch.1 - ch.16)

* The same processing will be carried out as when All Notes Off is received.

● OMNI ON (Controller number 125)

Status 2nd byte 3rd byte

BnH 7DH 00H

n = MIDI channel number: 0H - FH (ch.1 - ch.16)

* The same processing will be carried out as when All Notes Off is received.

● MONO (Controller number 126)

Status 2nd byte 3rd byte

BnH 7EH mmH

n = MIDI channel number: 0H - FH (ch.1 - ch.16)

mm = mono number: 00H - 10H (0 - 16)

* The same processing will be carried out as when All Sound Off or All Notes Off is

received.

● POLY (Controller number 127)

Status 2nd byte 3rd byte

BnH 7FH 00H

n = MIDI channel number: 0H - FH (ch.1 - ch.16)

* The same processing will be carried out as when All Sound Off or All Notes Off is

received.

■ System Realtime Message

* Following System Realtime Messages cannot be recorded in recording mode.

● Timing Clock

Status

F8H

* Recognized only when the [SETUP]-[MIDI]-[GLOBAL]-[PAGE 1] SYNC MODE is set to

“EXT”.

● Start

Status

FAH

* Recognized only when the [SETUP]-[MIDI]-[GLOBAL]-[PAGE 1] SYNC MODE is set to

“EXT” or “REMOTE”.

● Continue

Status

FBH

* Recognized only when the [SETUP]-[MIDI]-[GLOBAL]-[PAGE 1] SYNC MODE is set to

“EXT” or “REMOTE”.

● Stop

Status

FCH

* Recognized only when the [SETUP]-[MIDI]-[GLOBAL]-[PAGE 1] SYNC MODE is set to

“EXT” or “REMOTE”.

● Active Sensing

Status

FEH

* When Active Sensing is received, the unit will begin monitoring the intervals of all

further messages. While monitoring, if the interval between messages exceeds about 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

* Following System Exclusive Messages cannot be recorded.

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)

The System Exclusive Messages received by the normal mode of TD-8 are; Universal Non-

realtime System Exclusive Messages, Data Requests (RQ1), and Data Set (DT1).

● System Exclusive Message

❍Turn General MIDI System On

This is a command message that resets the internal settings of the unit to the General MIDI

initial state (General MIDI System - Level 1). After receiving this message, this unit will

automatically be set to the proper condition for correctly playing a General MIDI score.

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)

* Not Received when [SETUP]-[MIDI]-[GLOBAL]-[PAGE 3] RX GM ON is set to

“OFF”.(Initial Value is ON)

* There must be an interval of at least 50ms between this message and the next.

● Universal Non-realtime System Exclusive Messages

❍Identity Request

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) Initial value is 10H (17))

06H, 01H Identity request

F7H EOX (End Of Exclusive)

* Even if the Device ID is 7FH (Broadcast), Identity reply message will be transmitted.

* When Identity Request is received, Identity reply message will be transmitted (p. 205).

● Data transmission

TD-8 can transmit and receive the various parameters using System Exclusive messages.

The exclusive message of TD-8’s data has a model ID of 00H 20H and a device ID of 10H

(17). Device ID can be changed in TD-8.

❍Request data 1 RQ1 (11H)

This message requests the other device to send data. The Address and Size determine the

type and amount of data to be sent.

When a Data Request message is received, if the device is ready to transmit data and if the

address and size are appropriate, the requested data will be transmitted as a “Data Set 1

(DT1)” message. If not, nothing will be transmitted.

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