| ??? 02/25/08 13:49 Read: times |
#151402 - well, Responding to: ???'s previous message |
if you write to a port you write to the port latch, if you read the port, you read the pins and thus, if you (as I have seen) do this
mov a,Px modify a mov Px,a you are screwed. Erik |
| Topic | Author | Date |
| bifurcating the port | 01/01/70 00:00 | |
| You can\'t, I\'m afraid | 01/01/70 00:00 | |
| use a shadow register | 01/01/70 00:00 | |
| what is this issue? | 01/01/70 00:00 | |
| well, | 01/01/70 00:00 | |
| how will the port latch? | 01/01/70 00:00 | |
| howq will the pear? | 01/01/70 00:00 | |
Read - Modifiy - Write | 01/01/70 00:00 |