Task

Display a series of vertical color bars across the width of the display.

The color bars should either use:

   the system palette,   or 
   the sequence of colors: 
   black
   red
   green
   blue
   magenta
   cyan
   yellow
   white


col[] = [ 000 900 090 909 099 990 999 ]
w = 100.0 / len col[]
for i range len col[]
  color col[i]
  move w * i 0
  rect w 100
.