Chapter 9: Message transfers
Write to the system memory (COM = 54(H))
[Format]
Ë Command
COM | SEG | SADRL | SADRH | LL | LH | DATA1 | ...... | DATAN |
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ËResponse
| COM |
| RSLT | SEG | SADRL | SADRH | LL | LH |
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COM | = 54(H) |
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SEG | = Segment (08(H)) |
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SADRL, H | = System memory address (0000(H) to 047F(H)) See page | ||||||||
LL, H | = Data length (number of bytes) |
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DATAL to N | = Write data |
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[Function]
- Write the system memory data with the length shown by L, starting from SEG, SADR.
[Execution condition] |
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- Write enable mode | : Mode 2 |
- PC operation status | : Stopping |
[Example]
-Set 81(H), 00(H), 00(H), and 04(H) to system memory #204 to #207.
ËCommand
54 | 08 | 84 | 00 |
| 04 | 00 |
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| 81 | 00 | 00 | 04 |
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| System memory |
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| Data length |
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| Value at | Value at | Value at | Value at | |||||||||||
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| 0084(H)＝000204(8) |
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| #204 | #205 | #206 | #207 |
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ËResponse
54 | 00 | 08 | 84 | 00 | 04 | 00 |
System memory 
Data length address
0084(H)＝000204(8)