> PCL is not the high byte of PC, just a buffer for it. Writing to PCL does > not affect the PC, so it is one cycle only. I think you meant to say PCLATH, not PCL. Neither of your statements are true for PCL, but are for PCLATH. ***************************************************************** 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