INT 15 - MULTIJOY - GET ACTIVE JOYSTICK                                         
	AH = 84h
	DX = 0003h
Return: AX = number of the currently-active joystick device
	BX = device classification (see #04098)
SeeAlso: AH=84h/DX=0002h"MULTIJOY"
 !!! more info to follow


Bitfields for MULTIJOY device classification:
Bit(s)	Description	(Table 04098)
 15	device connected and ready
 14	no buttons (overrides bits 12-9)
 13	no axes (overrides bits 8-5)
 12-9	number of buttons, less one
 8-5	number of axes, less one
 4	digital device rather than analog
 3-0	device type
	0000 keyboard emulating joystick
	0001 gamepad
	0010 joystick
	0011 steering wheel
	0100 flight yoke
	0101 mouse emulating joystick
	0110 trackball emulating joystick
	0111 GlidePoint (touchpad) emulating joystick
	1000 touchscreen emulating joystick
	1001 steering wheel
	1010 light pen emulating joystick
	1011 speech recognition emulating joystick
	1100 TV remote emulating joystick
	1101 network/Internet remote control
	1110 PCIBM PC software-controlled (demo mode, etc.)
	1111 other device