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AH = 02h DX = FFFFh BH = character to send
Return:
AH = return code (00h-02h,04h,FFh) (see #00303) BH = line status (see #00304) AL = received character (if any)
Notes: If DX is 0-3 on entry, Connection Manager emulates the standard BIOS function, but redirects the port over the network; if DX is any other value, the call is chained. This function is provided primarily for compatibility; AH=07h/DX=FFFFh is the preferred function because it provides better performance
See Also: AH=02h/DX=FFFFh - AH=03h/DX=FFFFh - AH=06h/DX=FFFFh
Category: Network - Int 14h - C
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