Hello! When I tryed to run my PIC12F675 in=20 MPLAB-SIM (5.70) the code stops to run in the programmed instruction for the internal oscillator. Accordingly after org 0x00 bsf STATUS, RP0 call 0x3FF movwf OSCCAL bsf STATUS, RP0 It=B4s possible to get through that? Regards =C5keN -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.