#ifndef STUB_AVR_IO
#define STUB_AVR_IO
#include <stdio.h>

static int DDRA = 0;
static int DDRB = 0;

static int PORTA = 0;
static int PORTB = 0;
static int PINA = 0;
static int PINB = 0;

#define PA1 1
#define PA2 2
#define PA3 3
#define PA4 4
#define PA5 5
#define PA6 6
#define PA7 7

#define PB1 1
#define PB2 2
#define PB3 3
#define PB4 4
#define PB5 5
#define PB6 6
#define PB7 7
#endif