Category: <b>DOS-based task switchers/multitaskers</b>
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<pre><b>INT 7F - MultiLink Advanced v1.0+ - ENQUEUE SYSTEM RESOURCE</b>

	AH = 00h
	BX = resource identifier
	AL = wait flag
Return: AL = status
	    00h successful
	    01h resource not available
	    02h user error
InstallCheck:	ensure that the interrupt vector is not pointing at segment
	  0000h, then test whether the byte at offset 0000h in the interrupt
	  handler's segment is E9h
Notes:	function will not return until the resource is available if AL is
	  nonzero on entry
	a maximum of 100 resources may be enqueued at once
SeeAlso: AH=01h"MultiLink"
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