Category: DOS extenders
Flags: available only in protected mode

INT 31 - CauseWay - "CodeSel" - CONVERT SELECTOR TO EXECUTABLE CODE SELECTOR

	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