The Nibbler Emulator in Java - Norbert Kehrer (August 2000)
The keys:
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Left: Move left
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Right: Move right
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Up: Move up
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Down: Move down
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1: 1 Player start
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2: 2 Players start
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3: Insert coin
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Keypad +: Increase frame skipping rate
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Keypad -: Decrease frame skipping rate
