Flashing Hello World

                                                                
                                                                
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  The above example was done using the flashing modes (<F4>). First the
  "bright plane" was enabled, and the "HELLO" was drawn; then the "dark
  plane" was enabled, and the "WORLD" was drawn. Note that you can't use
  bright colours on the dark plane, so it is a good idea to set the text
  colour to light gray before you start (<Alt>+A to change colours).

  The text was simply done using the quick block mode (<Ctrl>+<F5>). The
  colours were altered until satisfactory using the replace colour command
  (<Alt>+R - the colour is selected with <Alt>+A). Remember the colours on
  the dark plane can't be bright.

  The "moving" border around the edge was, once again, done using the two
  seperate planes in the flashing mode. First you draw all the "even"
  positions on the "bright plane", and then you draw all the "odd" posi-
  tions on the "dark plane".

  The blocks themselves can be done with a spacebar with the background
  colour set to green. If you want to speed things up a bit, then once you
  have done one block, you can copy it into a buffer (with <Alt>+C), then
  all the others can be done by copying back from the buffer (<Alt>+P).
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