INT 10 - VESA VBE/AI (Audio Interface) - LOCATE DEVICE

	AX = 4F13h
	BX = 0001h
	CX = 0000h ???
	DX = type of device
	    0001h Wave device
	    0002h MIDI device
	    0003h Volume device
Return: AL = 4Fh if function supported
	    AH = status
		00h successful
		    CX = handle [returned 1 for DX=1 and 3, and 2 for DX=2]
		01h failed
SeeAlso: AX=4F13h/BX=0000h,AX=4F13h/BX=0002h