Retro Coding Fun: Interactive Games on Your Printer with PostScript
summary
Shows a working chess engine and tic‑tac‑toe running on real PostScript printers, plus Tetris and Sokoban implemented in under ~700 lines each; proves PostScript is Turing‑complete with a Brainfuck interpreter. Uses Ghostscript and a netcat connection with a bash cat trick to get bidirectional I/O to the laser printer; stores persistent high scores as files on the printer. Demos run and respond interactively, not just static pages.
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chapters (6)
- 0:00Welcome
- 3:03What is PostScript
- 15:28Printer games with PostScript
- 23:46Desktop games with PostScript
- 36:23Takeaways and constraints
- 39:55Q&A
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