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- ' This is a turtle graphics demo
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- dim color$(4)
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- color$(1) = "red"
- color$(2) = "green"
- color$(3) = "yellow"
- color$(4) = "blue"
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- print "Opening turtle.txt"
- open "turtle.txt" for output as #turtleOut
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- print "Writing spiral data..."
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- print #turtleOut, "home"
- print #turtleOut, "down"
- print #turtleOut, "north"
- print #turtleOut, "fill black"
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- for x = 1 to 200
- print #turtleOut, "color "; color$(1 + x - int(x/4) * 4)
- print #turtleOut, "turn 122"
- print #turtleOut, "go "; str$(x*2)
- next x
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- print "Closing turtle.txt" : print
- close #turtleOut
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- print "Opening turtle.txt"
- open "turtle.txt" for input as #turtleIn
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- print "Opening Graphics Window"
- open "Turtle Graphics Example" for graphics_fs as #gWindow
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- print "Retrieving and plotting graphics..."
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- [nextLine]
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- input #turtleIn, text$
- print #gWindow, text$
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- if eof(#turtleIn) = 0 then [nextLine]
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- print #gWindow, "flush"
- input "Press 'Return' "; r$
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- print "Closing turtle.txt"
- close #turtleIn
- close #gWindow
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- print "Done."
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