group2	equ	2	;use serial port 2
base	equ	48h
mcr	equ	base+4	;modem control register
dtron	equ	1	;pin 20  high Data Terminal Ready
dtroff	equ	0	;DTR off ( pin 20 low)


	org 100h

	mvi	a,group2
	out	base+7	;select port 2
	mvi	a,dtron
	out	mcr	;bring pin 20 high to turn on modem
	jmp	0	;warm boot

	end