PROGRAM

_RC_OSC EQU H’3FFF’
_WDT_OFF EQU H’3FFB’

STATUS EQU 03h
TRISA EQU 85h
PORTA EQU 05h
TRISB EQU 86h
PORTB EQU 06h

__CONFIG _WDT_OFF & _RC_OSC

Org 00h

Bsf STATUS, 5
Movlw 00h
Movwf TRISA
Movlw 00h
Movwf TRISB
Bcf STATUS, 5

Movlw b’01010’
Movwf PORTA
Movlw b’01010101’
Movwf PORTB
Start
Goto Start

End