/********************************************************************************
						Includes
********************************************************************************/
#include <avr/io.h>
#include <stdbool.h>

/********************************************************************************
						Main
********************************************************************************/
int main(void) {
	// configure PORTA as output
	DDRA = 0xFF;
	// configure PORTB as input
	DDRB = 0;
	// make sure PORTB is high impedance and will not source
	PORTB = 0;
	// main loop
	while (true) {
		// map PINB switches to PORTA
		PORTA = PINB;
	} 
}