| ??? 05/15/07 07:56 Read: times |
#139270 - are you sure? Responding to: ???'s previous message |
Juergen Christoph said:
the data sheet is just wrong about the PUSH instruction.
The 80C154 is a quite old controller, no longer used today. I have tested this with a real processor yesterday. My failure was, to trust the data sheet before publishing it in this forum. However, before I would have used it in a real application, I would have tested really it. So just forget it, it is a wrong data sheet. Jürgen, Are you sure? How did you test it? As I said above, for me it sounds reasonable to have PUSH read the latch. Humm, if I'd just know where could I get an old OKI part... :-) JW |
| Topic | Author | Date |
| as a curiousity | 01/01/70 00:00 | |
| Initial reaction | 01/01/70 00:00 | |
| I submit plenty of assembler and | 01/01/70 00:00 | |
| miscomm? | 01/01/70 00:00 | |
| Bob, clearly you need to read on port latches in t | 01/01/70 00:00 | |
| Alternative | 01/01/70 00:00 | |
| interesting, however | 01/01/70 00:00 | |
| Did you mean courtesy? | 01/01/70 00:00 | |
| I'm not corious | 01/01/70 00:00 | |
| this is why the \"adult\" ICEs are for... | 01/01/70 00:00 | |
| no ICE I know of can show the port LATCH | 01/01/70 00:00 | |
| Optimise? | 01/01/70 00:00 | |
| sure | 01/01/70 00:00 | |
| Now, as discussion of optimization started | 01/01/70 00:00 | |
| Addition to the 80C154 | 01/01/70 00:00 | |
| I would never ASS U ME | 01/01/70 00:00 | |
| that OKI part... | 01/01/70 00:00 | |
| It is a true 51 derivative, but | 01/01/70 00:00 | |
are you sure? | 01/01/70 00:00 |