;  Read from SIO port (4/5) and xmit to 2SIO at 10/11h

	org	0
	mvi	a,03h	;reset UART
	out	10h
	mvi	a,15h	;no RI, no XI, RTS Low, 8n1, /16
	out	10h

chkRcv1	in	04h	;character received on ACR SIO?
	rrc		;receive flag in lsb
	jnc	chkRcv1	;no
	in	05h	;read the character
	out	11h	;echo on 2SIO
	jmp	chkRcv1

	end

