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README.md

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Small Tetris by Tore Bastiansen

1. Links

2. Summary

  • Programming language: Assembly
  • Main size: 2,0 KB
  • Extra size: 0 B
  • Total size: 2,0 KB
  • Feature count: 21
  • Bytes per feature: 98 B

3. Command line arguments

usage: TETRIS [options]

options:
    -l N: starting level (1-17) [default: 1]
    -p:   show piece preview

4. Controls

  • F16: pause

4.1. Game

  • Page Up: skip level
  • P: toggle piece preview
  • ↑: rotate counterclockwise
  • ←: move left
  • ↓: hard drop
  • →: move right

4.2. Pause screen

  • Any Key: unpause

4.3. Game over screen

  • Y: retry
  • N: quit

5. Features

  1. All tetrominoes
  2. Colored pieces
  3. Drop: hard drop
  4. Drop points: fall_height / 2 * level
  5. Faster levels: speed = min(level, 17)
  6. Game over detection
  7. Game over screen: game over text
  8. Gravity
  9. Horizontal movement
  10. Level score multiplier
  11. Level selection: start from level 1 - 17
  12. Line clearing
  13. No bugs
  14. Pause: pause emulation
  15. Piece preview: single piece
  16. Piece preview selection: piece preview or not
  17. Placement points:
    • With piece preview: 1 * level
    • Without piece preview: 2 * level
  18. Retry
  19. Rotation
  20. Skip level
  21. Toggleable piece preview

6. Notes

  • Because beating the default high score before the kill screen isn't possible, it isn't counted as a feature

7. How to play

  1. Download the archive
  2. Download DOSBox
  3. Move TETRIS.COM to ~/dosgames
  4. Setup AUTOEXEC
  5. Run the command for your operating system, with optional command line arguments:
    • Windows: 
      dosbox -c "TETRIS [options]"
    • MacOS: 
      /Applications/dosbox.app/Contents/MacOS/DOSBox -c "TETRIS [options]"