INT 31 P - DPMIsee DOS Protected-Mode Interface 1.0+ - GET PROTECTED MODE EXTENDED PROCESSOR EXCEPTION HANDLER
	AX = 0210h
	BL = exception number (00h-1Fh)
Return: CF clear if successful
	    CX:(E)DX = selector:offset of exception handler
	CF set on error
	    AX = error code (8021h) (see #03143)
Note:	DPMIsee DOS Protected-Mode Interface host reflects exception to current client's handler
SeeAlso: AX=0202h,AX=0211h,AX=0212h