Category: <b>serial I/O</b>
<p>
<pre><b>INT 14 - PC-MOS/386 v5.01 $serial.sys v5.04 - SELECTIVE BUFFER FLUSH</b>

	AH = 19h
	AL = what to flush
	    bit 0: input buffer
	    bit 1: output buffer
	DX = port number
Return: nothing
SeeAlso: AH=09h"PC-MOS"
</pre>