#define F_CPU 7372800UL

#include <avr/io.h>
#include <avr/interrupt.h>
#include <util/delay.h>

void debouncer(){
	_delay_ms(200);
	GIFR = _BV(INTF0) | _BV(INTF1);
}

void blink(){
	uint8_t i;
	for(i=0; i<10; i++){
		//PORTA ^= 0xff;  // ovo radi
		PORTA = ~PORTA; // ovo ne
		_delay_ms(250);
	}
}

ISR(INT0_vect){
	if(PORTA == 0x00){
		blink();
	}

	PORTA = PORTA << 1;

	debouncer();
}
ISR(INT1_vect){
	PORTA = PORTA >> 1;
	PORTA |= 0x80;
	debouncer();
}



int main(void){

	DDRA = 0xff;
	PORTA = 0xff;

	MCUCR = _BV(ISC01) | _BV(ISC11);
	GICR = _BV(INT0) | _BV(INT1);

	sei();

    while(1){
    }
}