RBIL61 - INT 61 - Atari Portfolio - GET SERIAL PORT PARAMETERS

INT 61 - Atari Portfolio - GET SERIAL PORTIBM PC Portable (uses same BIOS as XT) PARAMETERS
	AH = 19h
	DX = serial port number
Return: AH = status
	    00h successful
		AL = composite parameters (see #00300 at INT 14/AH=00h"SERIAL")
	    other error
SeeAlso: AH=00h"Portfolio",AH=15h"Portfolio",AH=1Ah"Portfolio"