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Midi data format – Yamaha QY 300 User Manual

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MIDI Data Format

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(3-3) SYSTEM COMMON MESSAGE

The system supports both transmission and reception of these messages. These mes-
sages provide function control data.
They cannot be recorded as sequencer data.

(3-3-1) SONG POSITION POINTER

STATUS

11110010

(F2H)

LSB

0vvvvvvv

SONG POSITION LSB

MSB

0vvvvvvv

SONG POSITION MSB

Transmitted when song position is changed during SONG PLAY MODE.
Received in SONG PLAY MODE during standby.

(3-3-2) SONG SELECT

STATUS

11110011

(F3H)

SONG NO

0vvvvvvv v = 0 - 9

Transmitted when a song is selected during SONG PLAY MODE.
Received in SONG PLAY MODE during standby.

(3-4) SYSTEM REAL TIME MESSAGE

Cannot be recorded as sequencer data.

(3-4-1) TIMING CLOCK

STATUS

11111000

(F8H)

Determines whether the system uses the internal clock or the clock received over
MIDI IN.
Transmit and Receive can be independently enabled or disabled.

(3-4-2) START

STATUS

11111010

(FAH)

Transmission and reception can be enabled or disabled.

(3-4-3) CONTINUE

STATUS

11111011

(FBH)

Transmission and reception can be enabled or disabled.

(3-4-4) STOP

STATUS

11111100

(FCH)

Transmission and reception can be enabled or disabled.

(3-5) SYSTEM EXCLUSIVE MESSAGE

The system records and replay all system-exclusive messages.
F0 to F7 are recorded using the same timing, regardless of time disparities in data
reception. For replay, interval time is set every 1K bytes.

However, when the initial SONG MODE screen is displayed for the bulk data for 1-
song in the QY20 or QY10, the sequence data is handled locally as bulk data for the
QY300, when in RECORD MODE, it is recorded as data. While replaying, the
sequence data is transmitted via MIDI, but is not handled locally as bulk data for the
QY300.

QY300 receives Tracks 1 to 4 of SEQ data and Chord Tr data from within QY10, 20
1-song bulk data.
If QY300 includes QY10 code track code data, the data are quantized into quarter-
note units for reception.
QY10 11th code is received as 7th Sus4 code.

For information about QY20 and QY10 bulk data. refer to the relevant model's
specifications.