Category: <b>file/disk compression</b>
<p>
<pre><b>INT 21 - XPACK v1.52+ - TSR INSTALLATION CHECK</b>

	AX = 37A0h
	BX = 6A6Dh ('jm')
Return: AL = FFh if not present as TSR (default return value from DOS)
	AX = 0000h if installed as a TSR
	    CX = 6A6Dh ('jm')
	    DX = version ID (0152h)
Program: XPACK is a transparent file compressor/decompressor by JauMing Tseng
SeeAlso: AX=37A1h/BX=6A6Dh,AX=37A3h/BX=6A6Dh
</pre>