INT 33 - MS MOUSE v7.05+ - GET ACTIVE ADVANCED FUNCTIONS                        
	AX = 0032h
Return: AX = active function flags (FFFFh for v8.10)
	    bit 15: function 0025h supported
	    bit 14: function 0026h supported
	    ...
	    bit 0:  function 0034h supported
	BX = ??? (0000h) officially unused
	CX = ??? (E000h) officially unused
	DX = ??? (0000h) officially unused
Note:	the Italian version of MS MOUSE v8.20 reportedly indicates that
	  functions 0033h and 0034h are not supported even though they are