Render a graphical pattern where each pixel is colored by the value of 'x xor y' from an arbitrary color table.

w = 100
graphic #g, w,w
for x = 0 to w
  for y = 0 to w
    b = (x xor y) and 255
    #g color(255 -b,b /2,b)
    #g "set "; x; " "; w -y -1
  next y
next x
render #g 
#g "flush"