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1405

Category: serial I/O

INT 14 - SERIAL - EXTENDED COMMUNICATION PORT CONTROL (CONVERTIBLE,PS)

	AH = 05h
	AL = function
	    00h read modem control register
	      Return: BL = modem control register (see #00334)
		      AH = status
	    01h write modem control register
	      BL = modem control register (see #00334)
	      Return: AX = status
	DX = port number
Note:	also supported by ArtiCom
SeeAlso: AH=00h,AH=1Fh,AX=8000h"ARTICOM",AH=FBh


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