Quote Originally Posted by skimask View Post
(from Sesame Street)...
One of these sentences...is not like the other...
let me explain.

1- i use INTCON = %10001000
it means i enable GIE bit, porta change int bit AND clear all interrupt flags. So i DO clear int flags.

2- in my previous project (called int.pcb, wonder why...), i didn't read porta before enabling interrupts (to clear potential mismatch), BUT ra3 was not enabled for int in IOCA register so it didn't trigger interrupt if not tied to vdd with a wpu.