;TIMER0 HASZNÁLATA
		;PIC 16F887

	WSAVE	EQU	0X70
	STATUSAVE	EQU	0X71
		
	ORG	0
	GOTO	MAIN
	
	ORG	4
	MOVWF	WSAVE
	MOVFW	STATUS
	MOVWF	STATUSAVE
	
	BCF	INTCON,T0IF
	
	MOVLW	B'11111111'
	XORWF	PORTD,F
	
	MOVFW	STATUSAVE
	MOVWF	STATUS
	MOVFW	WSAVE
	RETFIE
	
MAIN
	BCF	STATUS,RP1
	BSF	STATUS,RP0
	MOVLW	B'00000000'
	MOVWF	TRISD
	
	MOVLW	B'10000111'
	MOVWF	OPTION_REG
	
	BCF	STATUS,RP0
	BCF	STATUS,RP1
	
	MOVLW	B'01010101'
	MOVWF	PORTD
	
	BSF	INTCON,T0IE
	BSF	INTCON,GIE
	
LOOP
	NOP
	GOTO	LOOP