Chapter 9: Message transfers
Reading program (COM = 04(H))
[Format]
ËCommand
COM | PSEG | PADRL | PADRH | LL | LH |
ËResponse
COM |
| RSLT | PSEG | PADRL | PADRH | LL |
| LH |
| DATA1 | ...... | DATAN |
COM | = 04(H) |
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PSEG | = Program segment (08(H), 09(H)) | See page |
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PADRL,H | = Program address (0000(H) to 7DFF(H)) | See page |
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LL,H | = Data length (number of words) |
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DATA1 to N = Read data (2 bytes = one step)
[Function]
-Read a program with a length (number of words) shown by L, from address PSEG, PADR.
-Up to 512 words can be read at a time.
[Execution condition] |
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- Write enable mode | : Mode 0, mode 1 and mode 2 |
- PC operation status | : Stopping, operating |
[Example]
-Read the contents of the program address 000000 to 000002 (file number 8).
ËCommand
9 |
| 04 | 08 | 00 | 00 |
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| 03 | 00 |
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| Top program |
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address
ËResponse
04 | 00 | 08 | 00 | 00 |
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| 03 | 00 |
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| 00 | 80 |
| 00 | 91 |
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| 000000 contents | ||||||||||||||
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08 | B8 |
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Address 000002 contents
Note: Inquiries concerning the bit configuration of programs cannot be accepted.