markp@cannontech.com wrote: > This is my first time at using interrupts and I > suspect that I am doing something wrong that is messing up my code. I show > three versions of my routine below. The first worked fine and showed me > that I had the interrupt stuff right. The next two show simple attempts at > asserting three outputs in succession, however without success. Don't know which chip you're working with or whether your main program spans banks, but... Shouldn't you be using BANKSEL before accessing LOOP? (or some more sophisticated approach) -- Timothy J. Weber http://timothyweber.org -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist