cdb wrote: > I've also had a programmer that has chewed the code > whilst programming a Pic - or maybe the pic chewed it, Huh? Please explain more what you mean. Any competent PIC programmer of course reads back the programmed PIC to verify the contents. How can the data get "chewed" (corrupted?) using this process. And if so, disassembling the result sounds like a very round about way to detect the problem. ******************************************************************** Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products (978) 742-9014. Gold level PIC consultants since 2000. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist