/*
 * Example9_3.asm
 *
 *  Created: 02/06/2017 10:23:43 
 *   Author: Naimi
 */ 


 .MACRO	INITSTACK
	LDI	R20,HIGH(RAMEND)
	OUT	SPH,R20
	LDI	R20,LOW(RAMEND)
	OUT	SPL,R20
.ENDMACRO
	
	INITSTACK
	LDI	R16,1<<5	
	SBI	DDRB,5		
	LDI	R17,0		
	OUT	PORTB,R17	
BEGIN:
	RCALL	DELAY	
	EOR	R17,R16		
	OUT	PORTB,R17
	RJMP BEGIN
	
DELAY:
	LDI	R20,0xF2	
	OUT	TCNT0,R20	
	LDI	R20,0x00
	OUT	TCCR0A,R20	
	LDI	R20,0x01
	OUT	TCCR0B,R20	
AGAIN:	
	SBIS	TIFR0,TOV0
	RJMP	AGAIN

	LDI	R20,0x00
	OUT	TCCR0B,R20	

	LDI	R20,(1<<TOV0)
	OUT	TIFR0,R20

	RET