On Wed, Jul 22, 2009 at 4:44 PM, Olin Lathrop wrote: > My guess is that the watch > window is working and showing you zeros because you forget to set the bank > in the code and are never writing to those locations. That's a possibility, yes. As OP could change Bank0 and 1 maybe only RP0 clear/set but not RP1? Tamas -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist