Category: serial I/O

INT 14 - SERIAL - EXTENDED INITIALIZE (CONVERTIBLE,PS)

	AH = 04h
	AL = break status
	    00h if break
	    01h if no break
	BH = parity (see #00307)
	BL = number of stop bits
	    00h one stop bit
	    01h two stop bits (1.5 if 5 bit word length)
	CH = word length (see #00308)
	CL = bps rate (see #00309)
	DX = port number
Return: AX = port status code (see #00304,#00305)
SeeAlso: AH=00h,AH=1Eh,AX=8000h"ARTICOM"