Category: <b>TSR libraries</b>
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<pre><b>INT 2F - CS_TSR specification - TSR INSTALLATION CHECK</b>

	AX = 8000h
	DS:SI -&gt; 4-byte CS_TSR signature (11h 43h 53h 10h)
Return: AL = status
	    00h no CS_TSR-compliant TSRs installed
	    01h installed, but signature did not match
	    FFh installed, signature matches
		ES:DI -&gt; resident process block (see <a href=../../it/28/29.html>#02928</a>) of last installed
			  TSR (if DS:SI pointed at signature on entry)
Program: the CS_TSR specification is a standardized TSR interface by Compact
	  Soft group in Kiev, Ukraine
Desc:	determine whether any CS_TSR-compliant TSRs are installed on the
	  selected multiplex number
Range:	AH=80h to AH=FFh
SeeAlso: AX=8001h"CS_TSR",AX=8002h"CS_TSR",AX=8003h"CS_TSR"

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