INT 14 - MX5 Extended FOSSIL(Fido/Opus/Seadog Standard Interface Layer)  A standardized API for performing serial I/O, originally used by the Fido and Opus bulletin- board software and Seadog bulletin-board mailer, but now in wider use. - GET/SET MNP ANSWER/ORIGINATE MODE
	AX = E002h
	BH = function
	    00h get answer/originate mode
	    01h set mode
		BL = new mode (00h originate [default], 01h answer)
	DX = port number (0-3)
Return: BL = answer/originate mode
SeeAlso: AX=E001h,AX=E003h,AX=E006h