My schools first computer was an Apple clone (ITT 2020) where I first learned 6502 assembler.
This was a revist to old times, writting a well known game for that old machine.
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Z Rotate shape left
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X Rotate shape right
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Left Arrow Move shape left
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Right Arrow Move shape right
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Down Arrow Move shape down
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Space. Pause Game
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Escape Abandon game and exit
The tetris.dsk is a dos pro disk image with a binary version of the program.
To play in an emulator, load the dsk file into your drive 1 and boot.
Type: BRUN TETRIS