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Category: serial I/O

INT 14 - PC-MOS/386 v5.01 $serial.sys v5.04 - OUTPUT CHARACTER, WITH TIMEOUT

	AH = 21h
	AL = char to send
	DX = port number
	SI = timeout in timer ticks (0000h = default)
Return: after character is sent or timeout expires
Program: PC-MOS/386 v5.01 is a multitasking, multiuser MS-DOS 5.0-compatible
	  operating system by The Software Link, Inc.
SeeAlso: AH=01h,AH=0Eh"Digiboard",AH=22h"PC-MOS"

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