Brooke wrote: >In the 16F870 the MPLAB assembler instruction BSF PORTB, b'00000001' will turn >on the lowest order bit. >In the 12F675 the MPLAB assembler instruction BSF GPIO, b'000001' does not >turn >on the lowest order bit. >What up? Try BSF GPIO,0 instead. Specify the bit position when using BCF & BSF instructions. Use a mask for when you're doing a MOVLW then MOVWF operation. David... -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu