MZ-2000 MIDI Implementation

Receive

The value llH mmH is 00H 00H at the lowest pitch, 00H 40H at mid-pitch, and 7FH 7FH at the highest pitch.

The Pitch Bend Change message is not received when Rx.Pitch Change = OFF.

The LSB and MSB must be sent together to form a 14-bit value in order to be a valid Pitch Bend Change setting.

Send

The Pitch Bend Wheel message is send whenever a ptone preset operation is performed.

2.7 Channel Mode messages

2.7.1 All Sound Off

Format

Byte 1 Byte 2 Byte 3

BnH 78H 00H

n : Voice Channel Number = 0H to FH (Ch1 to Ch16)

Receive

Receipt of the All Sound Off message immediately mutes all notes being received over the MIDI channels.

Send

The All Sound Off message is sent whenever the Fade Out function is used.

2.7.2 Reset All Controller

Format

Byte 1 Byte 2 Byte 3

BnH 79H 00H

n : Voice Channel Number = 0H to FH (Ch1 to Ch16)

Receive

Receipt of the All Controller message causes the following controllers to be reset.

Controller Name

Reset Value

Polyphonic Key Pressure

vvH = 00H

Modulation Wheel

vvH = 00H

Expression Controller

vvH = 7FH

Hold 1

vvH = 00H

Portamento

vvH = 00H

Sostenuto

vvH = 00H

Soft

vvH = 00H

NRPN

msb = 7FH, lsb = 7FH

RPN

msb = 7FH, lsb = 7FH

Channel Pressure

vvH = 00H

Pitch Bend Change

llH mmH = 00H 40H

Send

 

The Reset All Controller message is sent whenever you change modes on the MZ-2000.

2.7.3 All Note Off

Format

Byte 1 Byte 2 Byte 3

BnH 7BH 00H

n : Voice Channel Number = 0H to FH (Ch1 to Ch16)

Receive

Receipt of the All Note Off message mutes all notes being received over the MIDI channels.

If Hold 1 or Sostenuto is turned all when the All Note Off message is received, notes are sustained.

Send

The All Note Off message cannot be sent.

2.7.4 Omni Mode Off

Format

Byte 1 Byte 2 Byte 3

BnH 7CH 00H

n : Voice Channel Number = 0H to FH (Ch1 to Ch16)

Receive

Receipt of the Omni Mode Off message does not enter the MZ-2000 Omni Mode. Instead, it is treated as receipt of an All Note Off message.

Send

The Omni Mode Off message cannot be sent.

2.7.5 Omni Mode On

Format

Byte 1 Byte 2 Byte 3

BnH 7DH 00H

n : Voice Channel Number = 0H to FH (Ch1 to Ch16)

Receive

Receipt of the Omni Mode On message does not enter the MZ-2000 Omni Mode. Instead, it is treated as receipt of an All Note Off message.

Send

The Omni Mode On message cannot be sent.

2.7.6 Mono Mode On

Format

Byte 1 Byte 2 Byte 3

BNH 7EH vvH

n : Voice Channel Number = 0H to FH (Ch1 to Ch16)

vv: Number of Mono Mode Channels = 00H to 10H

Receive

Receipt of the Mono Mode On message does not enter the MZ-2000 Mono Mode. Instead, it functions as the All Sound Off message and All Note Off message.

Send

The Mono Mode On message cannot be sent.

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