.include "4433def.inc"

.def temp=r16

reset:
        ldi 	temp, RAMEND		;Stackpointer initialisieren
	out	spl,temp

	sbi	ucsrb,rxen		;Receiver enable
	sbi	ucsrb,txen		;Transmit enable
	ldi 	temp,(4000000/(9600*16))-1
	out 	ubrr,temp		;Baudrate einstellen
		
receive_loop:
	sbis	ucsra,rxc
	rjmp	receive_loop
	in	temp,udr

serout:
	sbis	ucsra,udre
	rjmp 	serout
	out 	udr,temp
	rjmp	receive_loop