;For the sake of this example,
    ;(IX+0) = A.X,  (Center of A)
    ;(IX+1) = A.Y,  (Center of A)
    ;(IX+2) = B.X,  (Point B)
    ;(IX+3) = B.Y   (Point B)

    LD A,(IX+0)
    SUB (IX+2)
    CPL A
    CP 8
    JP NC,False
    LD A,(IX+1)
    SUB (IX+3)
    CPL A
    CP 8
    JP NC,False
                ;Do stuff if true

False: