> Should we be erasing everything before we write our file or do we > need to > read the information from the appropriate areas first and incorporate > this > into our file for writing back? Yes, and any competent PIC programmer will do this for you automatically. ***************************************************************** Embed Inc, embedded system specialists in Littleton Massachusetts (978) 742-9014, http://www.embedinc.com -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu