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Category: serial I/O

INT 14 - Digiboard DigiCHANNEL PC/X* - READ STRING

	AH = 0Fh
	CX = number of characters to read
	ES:BX -> buffer
	DX = port number (00h-03h) (04h-43h for XAPCM232.SYS)
Return: AX = number of characters read
	ZF clear if successful
	ZF set on error (line status or wrong number of characters)
SeeAlso: AH=0Eh"Digiboard"

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