Olin Lathrop wrote: > Therefore, for most cases, the original code was just fine: > > bsf portb, clock_bit > bcf portb, clock_bit Probably so, but even Microchip suggest something like.... bsf portb, clock_bit nop bcf portb, clock_bit -- Best regards Tony mICros http://www.bubblesoftonline.com mailto:sales@bubblesoftonline.com -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics