>Don't quite understand why it behaved differently to the ICE but fixed now >so don't really care... You may find the chip used in the ICE is slightly slower/different internal timings because of the ICE hooks in it, which makes enough difference to slow it down and mask the one or two instruction timing difference required. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist