INT 2D - CDTSR - DISABLE POPUP                                                  
	AL = 12h
	AH = AMISAlternate Multiplex Interrupt Specification multiplex number for CDTSR
Return: nothing
SeeAlso: INT 2D/AL=10h"CDTSR",INT 2D/AL=11h"CDTSR",INT 2D/AL=13h"CDTSR"