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