INT 33 - Genius MOUSE - DEFINE SCREEN REGION FOR UPDATING

	AX = 0010h
	ES:DX -> update region list (see #03173)
Notes:	mouse cursor is hidden in the specified region, and needs to be
	  explicitly turned on again
	this version of the call is described in an August 1988 version of the
	  Genius Mouse programmer's reference; it has been changed to conform
	  to the Microsoft version shown above by version 9.06 (and possibly
	  earlier versions)
SeeAlso: AX=0001h,AX=0002h,AX=0007h,AX=0010h"MS MOUSE"