INT 67 - Nanosoft MD386 - SET DEBUG EXCEPTION HANDLER                           
	AX = 5E02h
	CX:BX -> exception handler
Note:	the specified exception handler is called with a simulated interrupt
	  whenever a debug exception occurs which was caused by a hardware
	  breakpoint set with the debug registers
SeeAlso: AX=5E04h,AX=5E05h