text: /********************************************************
   * blink.c
   * Blink program for ATtiny13 0x29 0xFF
   * For Eclipse with AVR plugin
   * hacked by Matthew
   ********************************************************/
  
  #define __AVR_ATtiny13A__
  
  #ifdef    F_CPU
    #undef  F_CPU
  #endif
  
  #define F_CPU 600000UL
  
  #define WAITABIT _delay_ms(500)
  
  #include <avr/io.h>
  #include <util/delay.h>
  
  int main(void) {
  	DDRB = 0b00000001;
  	while (1) {
  		PORTB = 0b00000001;
  		WAITABIT;
  		PORTB = 0b00000000;
  		WAITABIT;
  	}
  	/* national unreachable wilderness area */
  	return 0;
  }
  