Midi Implementation - Korg EX-800 Owner's Manual

MIDI IMPLEMENTATION

1 Transmission data
Transmittable data consist of system exclusive messages
only. These are used for the computer dump function.
System Exclusive Messages
STATUS
1 1 1 1 0 0 0 0 0 1 0 0 0 0 1 0
0 0 1 0 0 0 0 1
0 0 0 0 0 0 0 1
( 0 0 0 0 * * * *
RAM
0 0 0 0 * * * * )
DATA
( O O O O s s s s
O O O O s s s s )
1 1 1 1 0 1 1 1
1 1 1 1 0 0 0 0 0 1 0 0 0 0 1 0
DATA
0 0 1 0 0 0 0 1
ERROR
0 0 0 0 0 0 0 1
M E S S ­
0 0 1 0 0 0 0 0
A G E
1 1 1 1 0 1 1 1
NOTE:
1. Data error message is sent if there is a check sum er­
ror during memory load. Error message:
21 01 20h, F7h)
, ,
h h
2.
The request sent by the computer must be:
21 01 F7h
(where
, , 1 0 ,
h h h
Memory data is then output in the order:
21 01
memory data check sum,
, ,
h h
2 Reception data
Channel Messages
STATUS 2nd byte 3rd byte
.........
O kkkkkkk
1000nnnn 0
1001nnnn O kkkkkkk CVvvvvvv
1011nnnn Ovvvv- - -
0 0 0 0 0 0 0 1
1011nnnn Ovvvv- - -
0 0 0 0 0 0 1 0
CVvvvvvv
1011nnnn
0 0 0 0 0 1 1 1
O ccccccc
1011nnnn 00000000
1100nnnn Oppppppp
-------
1110nnnn Obbbbbbb
0
DATA
DESCRIPTION
KORG ID
FORMAT ID
EX-800 ID
MSB1 RAM DATA 1 -word
LSB I CHECK SUM
M S B ) DATA
EOX
KORG ID
FORMAT ID
EX-800 ID
DATA ERROR
MESSAGE
EOX
(FOh, 42h,
FOh, 42h,
means hexadecimal).
" "
h
FOh, 42h,
F7h —
DESCRIPTION
NOTE OFF EVENT
NOTE ON EVENT
1)
(VVVVVVV2
vvvvvvv = 0: OFF
DCO MODULATION
VCF MODULATION
VOLUME CONTROL
MODE CHANGE
OMNI OFF (ccccccc=
OMNI ON (ccccccc =
PROGRAM CHANGE
PITCH BEND
NOTE:
1. CHANNEL NUMBER:
nnnn =
0 H ~ F H
2. NOTE NUMBER:
kkkkkkk = 3 6 ~ 9 6
If received data is outside of this range, it will be trans­
posed to nearest note of the same name.
3. Negative numbers are ignored.
4. OMNI ON/OFF is always interpreted as being accom­
panied by POLY-ON.
Separate POLY-ON or MONO-ON messages are
ignored.
5. ppppppp = 0 - 1 2 7 (PROGRAM NUMBER)
However, if number exceeds 63 then subtract 64 to find
value as interpreted.
Example:
74=1 0
64 = 0
6. VOLUME CONTROL:
=
7 F
v v v v v v v
decreases as value approaches
System Real Time Messages
STATUS
1 1 1 1 1 0 0 0
1 1 1 1 1 0 1 0
1 1 1 1 1 1 0 0
1 1 1 1 1 1 1 0
CAUTION:
ACTIVE SENSING
If (STATUS 11111110) is ever received, then another
FEh
or other MIDI data must be received every 300ms,
FEh
otherwise the voices will be turned off. If
received then operation will continue as usual.
7C )
h
7D )
h
(ch1 r-ch16)
is the loudest volume.
h
0 0 .
h
DESCRIPTION
SEQUENCER
CLOCK
SEQUENCER
START
SEQUENCER
STOP
ACTIVE
SENSING
Volume
is never
FEh
41