Category: mouse/pointing device

INT 15 - SYSTEM - POINTING DEVICE BIOS INTERFACE (PS) - SET DEVICE HANDLER ADDR

	AX = C207h
	ES:BX -> FAR user device handler or 0000h:0000h to cancel
Return: CF set on error
	    AH = status (see #00522)
Note:	when the subroutine is called, it is passed the following values on
	  the stack; the handler should return with a FAR return without
	  popping the stack:
		WORD 1: status (see #00525)
		WORD 2: X data (high byte = 00h)
		WORD 3: Y data (high byte = 00h)
		WORD 4: 0000h
SeeAlso: INT 33/AX=000Ch