| ??? 10/21/09 06:23 Modified: 10/21/09 06:30 Read: times |
#169925 - Try this Responding to: ???'s previous message |
DECDPTR: XCH A,DPL ; Bewaar A in DPL
JNZ DECDPTR1 ; als low byte = 0
DEC DPH ; DEC ook high byte
DECDPTR1: DEC A ; DEC low byte
XCH A,DPL ; Restore A en
RET ; resutaat in low byte
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| Topic | Author | Date |
| Decrement DPTR | 01/01/70 00:00 | |
| Try this | 01/01/70 00:00 | |
| The DS89C4x0's will do it automatically | 01/01/70 00:00 | |
| Any others? | 01/01/70 00:00 | |
DEC DPTR | 01/01/70 00:00 |