;ORG 0x0000
org 0x0
goto start
org 0x4
start:
clrf PORTA
clrf PORTB
bsf STATUS,RP0 ; switch on bank 1
movlw b'00001111'
movwf TRISA ; PORTA = input
movlw b'00000000'
movwf TRISB ; all on output
bsf OPTION_REG,7; switch on pull up
bcf STATUS,RP0 ; switch on bank 0