Library

Course materials — from the first wire to the assembler.

Level Guides

Step-by-step task descriptions and solutions for each of the 29 levels.

  1. 1. Let there be light!
  2. 2. Negation
  3. 3. Perfect pair
  4. 4. At least one
  5. 5. Strict choice
  6. 6. Half Adder
  7. 7. Full Adder
  8. 8. 8-bit Adder
  9. 9. Crossroads
  10. 10. Loopback
  11. 11. Smart memory
  12. 12. Tangible Memory
  13. 13. Operation Selection
  14. 14. Heart of math
  15. 15. System Pulse
  16. 16. Program Counter
  17. 17. Anatomy of a Decoder
  18. 18. FINALE: The Ershov Computer
  19. 19. Step Forward (PC+2)
  20. 20. Dual Read
  21. 21. Pointers
  22. 22. Bus Conflict
  23. 23. Gamepad
  24. 24. Manual Pixel
  25. 25. Negative Check
  26. 26. Dice Roll
  27. 27. Hello, Ports!
  28. 28. Moving Dot
  29. 29. FINALE: Snake

Component Guides

Circuitry Articles