| ??? 02/22/08 15:18 Read: times |
#151305 - Carry bit is used Responding to: ???'s previous message |
Robert Revens said:
... the point of this line?
cjne a,#3,AaaOfBbbbX1 Is it correct, or should it read cjne a,#3,AaaOfBbbbX2, because otherwise you finish up at AaaOfBbbbX1 regardless of the value in a, and you're not using the carry flag for anything either, as far as I can see...? The SUBB instruction uses the carry bit. Otherwise, subtracting #00h would be pointless. It only makes sense since sometimes it's actually subtracting 1 (the value of the carry bit). Regards, Craig Steiner |
| Topic | Author | Date |
| Weekend Quiz | 01/01/70 00:00 | |
| This is only Thursday | 01/01/70 00:00 | |
| initial conditions? | 01/01/70 00:00 | |
| I can't tell... | 01/01/70 00:00 | |
| It gives an error | 01/01/70 00:00 | |
| it depends on the assembler | 01/01/70 00:00 | |
| Jan, I sent an email clue | 01/01/70 00:00 | |
| One Instruction... | 01/01/70 00:00 | |
| well, I have a plenty of points... | 01/01/70 00:00 | |
| Dedicated HW | 01/01/70 00:00 | |
| I don\'t understand... | 01/01/70 00:00 | |
| could these two be related? | 01/01/70 00:00 | |
| Carry bit is used | 01/01/70 00:00 | |
| Thanks Craig... | 01/01/70 00:00 | |
| next time I will try to obfuscate... | 01/01/70 00:00 | |
Day Of Week calculation | 01/01/70 00:00 |