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Demo mode
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The original Apple 2 version of Phantasie II game had
a demo mode which demonstrated most of the features of the game,
in order to display them a small scripting engine was present:

the data consisted of 22 null terminated sequences
of commands:

  Command:

        0: end the sequence

      999: play sound 1

      998: play sound 2 (some sort of metallic sound)

60 to 997: pause script (pause time = command value * 3)

       -x: read an extra string value and display it
           horizontally centered at the bottom of the screen
           with speed of chars display = -1 * command value

any other: read 3 more values (X, Y & Color) and draw a shape

           Note: specifying color 9 would re-use any previous
                 shape color