Alan B. Pearce wrote: > MPLAB does seem to use the method that seems to have become a defacto > standard for programmers. It's not defacto. The checksum computation methods are described in the programming specs. ***************************************************************** Embed Inc, embedded system specialists in Littleton Massachusetts (978) 742-9014, http://www.embedinc.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist