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1422

Category: serial I/O

INT 14 - HUNTER 16 - EXTENDED STATUS

	AH = 22h
	DX = port (00h COM1, 01h COM2)
Return: AH = extended status
	BX = number of characters in input buffer
	CX = number of characters in output buffer
Desc:	returns the most recent Extended Status code for the port
SeeAlso: AH=21h"HUNTER"

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