#include <p16F690.inc>
     __config (_INTRC_OSC_NOCLKOUT & _WDT_OFF & _PWRTE_OFF & _MCLRE_OFF & _CP_OFF & _BOR_OFF & _IESO_OFF & _FCMEN_OFF)
org 0              ; Begginning of code
PORTS:
	bsf       STATUS,RP1
	clrf      ANSEL          ; All pins are digital I/O
 	clrf 	  ANSELH         ; All pins are digital I/O
	bcf       STATUS,RP1	
	bsf       STATUS,RP0
	movlw     b'0111'    	 ; Turn on 256 prescaler
	movwf     OPTION_REG
	bcf		  OPTION_REG,3   ; Prescaler set to timer0
	bcf       OPTION_REG,5	 ; set timer for internal osc
	movlw     0x00           ; Move the hex value of 0 to multi purpose register W
    movwf     TRISC          ; make IO PortC all output
	bcf       STATUS,RP0
	clrf      PORTC
MAIN:
	movlw     0x01
	xorwf     PORTC
	btfss     INTCON,2  ; Check if timer overflow flag is set
	goto      $-1
	bcf       INTCON,2
	goto      MAIN
end