#include __CONFIG (_MCLRE_OFF & _CP_OFF & _WDT_OFF & _INTRC_OSC_NOCLKOUT) ;Internal osc. c1 equ 20 c2 equ 21 org 0 Start BCF STATUS,RP0 ; select bank 0 CLRF GPIO ; set GPIO pins equal to 0 volts movlw b'11111111' movwf CMCON BSF STATUS,RP0 ; select bank 1 CLRF TRISIO ; make GPIO pins all output BCF STATUS,RP0 ; select bank 0 loop movlw b'00100101' movwf GPIO call delay1 movlw b'00010010' movwf GPIO call delay1 goto loop delay1 movlw b'11111111' bcf STATUS,RP0 movwf c2 lc0 movlw b'11111111' movwf c1 lc1 decfsz c1,1 goto lc1 decfsz c2,1 goto lc0 return end