if I enable the rb0/int and the global interupts but have all the port b (I'm working with the 16f84 if you hadn't guessed) pins set to outputs, will the interupt still occur? There will be a logic one on the int pin and I have it set up for the interupt to occur on the falling edge, would this damage the pin? Sorry I guess that's two yes or no questions. Thank yns Jonathan Newport