Philippe Paternotte ha scritto: > Seems that I'm the only one to be enough curious about your mystery > sentence... > Can you explain further? :) there's either a Errata about using MOVFF in an ISR (maybe), or rather the chance that since it's a 2 cycle instruction, it may get interrupted in the middle. I don't remember the details but I did read them :) Ball to Olin -- Ciao, Dario -- Cyberdyne -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist