Category: <b>DOS extenders</b>
<br>Flags: available only in protected mode<p>
<pre><b>INT 31 - CauseWay - "CodeSel" - CONVERT SELECTOR TO EXECUTABLE CODE SELECTOR</b>

	AX = FF05h
	BX = selector
	CL = default operation size (00h = 16-bit, 01h = 32-bit)
Return: CF clear if successful
	CF set on error
SeeAlso: AX=FF03h
</pre>