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Chapter 9: Message transfers
9
Read out the system memory (COM = 44(H))
[Format]
COM = 44(H)
SEG = Segment (08(H))
SADRL,H = System memory address (0000(H) to 047F(H)) See page 9-21.
LL,H = Data length (number of bytes)
DATA1 to N = Read data
[Function]
- Read the system memory data with the length shown by L, starting from SEG, SADR.
[Execution condition]
- Write enable mode : Mode 0, mode 1 and mode 2
- PC operation status : Stopping, operating
[Example]
- Read data of system memory #204 to 207.
COM SEG
SADR
L
SADR
H
L
L
L
H
COM RSLT SEG SADR
L
SADR
H
L
L
L
H
DATA
1
DATA
N
......
Ë Command
Ë Response
System memory
address
0084
(H) 000204(8)
System memory
address
0084(H) 000204(8)
Ë Command
Ë Response
44 08 84 00 04 00
44 00 08 84 00 04 00 80 01 08 00
Value at
#204
Value at
#205
Value at
#206
Value at
#207
Data length
Data length