INT 2C P - Cloaking - GET SELECTOR LIMIT                                        
	AX = 000Bh
	SI = selector
Return: CF clear if successful
	    EBX = segment base address
	CF set on error
	    AX = error code (see #02556)
Note:	this function was first introduced with RM386 (RAM-MAN/386) v6.00
SeeAlso: AX=000Ah,INT 2F/AX=4310h"Cloaking"