> It is the PortA. I am working on 16F84. PORTA bits won't change unless their corresponding bits in TRISA are cleared. ***************************************************************** Embed Inc, embedded system specialists in Littleton Massachusetts (978) 742-9014, http://www.embedinc.com -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.