> bsf PORTB,RB4 > | > returns on build > | > Error[113] C:\PROGRA~1\MPLAB\FEEDER2.ASM 117 : Symbol not previously > defined (RB4) I would do: bsf PORTB,4 Cheers, Bob -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads