| ??? 02/25/08 13:22 Read: times |
#151394 - use a shadow register Responding to: ???'s previous message |
instead of working directly on the port use a 'shadow register'
and pxShadow or PxShadoe mov Pxshadow sbit Pxshadow (if PxShadow is in BDATA) mov Px, pxShadoe this way you will not have the port/port latch issue 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 |