Hi, My previous post was wrong. Should have been: pow10 movwf rC addwf rC,w addwf PCL,f p0 clrf rC retlw 0x01 p1 clrf rC retlw 0x0A p2 clrf rC retlw 0x64 p3 nop ;rC=3 retlw 0xE8 p4 movlw 0x27 movwf rC nop retlw 0x10 regards, Reggie