INT 31 P - DPMI 0.9+ - GET STATE OF DEBUG WATCHPOINT
        AX = 0B02h
        BX = watchpoint handle
Return: CF clear if successful
            AX = status flags
                bit 0: watch point has been executed since AX=0B00h or AX=0B03h
        CF set on error
            AX = error code (DPMI 1.0+) (8023h) (see AX=0000h)
SeeAlso: AX=0B03h