Roland MT-32 - Page 40

MT
-
32
never requests data of the other
parly.
The
following
sequence applies to the other party that
wants to get some parameters
from
MT-32.
Receiver
[R013-
When a
prograaaer or sequencer
needs
MT-32 resident paraseter.
Trans*! tter(MT-32)
Risen the
received
Data request
contains
I)
address that
Batches a paraueter base
address and 2) address size is
1 or store,
MT-32
sends
the
data in that ares.
(DTI)
If
the address
Batches the
parameter base address,
stores
the
data Into that
location.
(DTI) I
Wiil
repeat sending Data set }
until a!!
requested data are )
receivd
by
the receiver.
}
Handshaking
communication
Want to send data
WSD 40H
Byte Description
FOR
Exclusive status
41H
Manufacturer's ID (
Roland
)
DEV
Device ID
1BH Model ID
40H Coasand ID ( WSD
}
aaH
Address MSB
4-1
aaii Address
aaH
Address
LSB
ssH Size MSB
ssH Size
ssH
Size
LSB
SUB Check sua
F7H EOX (
End Of Exclusive
)
Request
data
RQD
41H
Byte Description
FOH
Exclusive
status
41H
Manufacturer's ID ( Roland )
DEV Device ID
16H Model ID
4 HI Coasand ID ( RQD
)
aaH
Address MSB
H-l
aaH Address
aaH
Address LSB
SSH
Size MSB
ssH
Size
ssH
Size LSB
SUB
Check sum
P7H
EOX { End Of
Exclusive
)
Byte
Description
FDH
Exclusive
status
41H
Manufacturer's ID
(
Roland
)
DEV
Device
ID
16)1 Model ID
4211 Cowand ID (
DAT
)
aaH
Address MSB
aaH Address
sail
Address
LSB
ddll Data
SUB Check sua
FTH EOX
(
End Of
Exclusive
)
*4-2
Acknowledge
ACK
43H
Byte Description
FOH
Exclusive
status
41H Manufacturer's ID ( Roland
}
DEV
Device ID
1BH
Model ID
4311
Coasand
10 ( ACX
)
F7H EOX
{
End Of
Exclusive
)
End of data
EOD
45H
Byte
Description
FOH
4111
DEV
16H
4511
F7II
Exclusive
status
Manufacturer's ID { Roiand
)
Device ID
Model
ID
Coaraand ID ( EOD
)
EOX
(
End Of Exclusive
)
Communication
error ERR
4EH
Byte
Description
FOH
Exclusive status
4111
Manufacturer's
ID { Roland
)
DEV
Device IS
16H
Model ID
4E1I
Coasand
ID { ERR
)
F7II
EOX { End Of
Exclusive
)
jectton RJC 4FH
Byte Description
FOH
411!
DEV
1BH
45H
F7H
Exclusive status
Manufacturer's ID
(
Roland
}
Device ID
Mode! ID
Cosaand
ID (
RJC
)
EOX ( End Of
Exclusive
)
10