Category: <b>DOS extenders</b>
<br>Flags: available only in protected mode<p>
<pre><b>INT 31 - CauseWay - "GetSelDet" - GET SELECTOR BASE AND LIMIT</b>

	AX = FF07h
	BX = selector
Return: CF clear if successful
	    CX:DX = base address
	    SI:DI = limit (bytes)
	CF set on error
SeeAlso: AX=FF08h,AX=FF09h
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