Sharp Z-336J - Manual (Page 106)

9-29
Chapter 9: Message transfers
9
Monitoring register COM = 24
(H)
[Format]
COM = 24
(H)
DSEG = Segment (00 to 07, 10 to 2C
(H)
) See page 9-20.
DADR
L, H
= Byte address (0000
(H)
to FFFF
(H)
) See page 9-20.
L
L, H
= Data length (Number of bytes)
DATA
1 to N
= Read data
[Function]
- Read the register data with the length shown by L, starting from DSEG, DADR.
- Up to 1024 bytes can be read at a time.
[Execution condition]
- Write enable mode
: Mode 0, mode 1 and mode 2
- PC operation status : Stopping, operating
[Example]
- Read 4 bytes data from register 09000 to 09003.
Ë Command
Ë Response
COM DSEG DADR
L
DADR
H
L
L
L
H
COM RSLT DSEG DADR
L
DADR
H
L
L
L
H
DATA
1
DATA
N
......
File address
0800 (H) = 004000 (8)
File number 0
File number 0
Ë Command
Ë Response
24 00 00 08 04 00
24 00 00 00 08 04 00 00 4F 32 01
Top register
number 09000
Top register
number 09000
File address
0800 (H) = 004000 (8)
Data length
Data length
Value at
09000
Value at
09001
Value at
09002
Value at
09003