Commodore 64 hardware simulator lets users break chips and pins
The gist
Salvatore Sanfilippo, known as antirez, published c64-hw-sim, a pin-level Commodore 64 motherboard simulator, on GitHub.
Users can break chips and pins virtually to learn how the machine fails.
How it unfolded
- Oct 15, 2026antirez publishes c64-hw-sim on GitHub, a pin-level simulator of the Commodore 64 motherboard ASSY 250407.
- Oct 17, 2026antirez submits a Hacker News post titled "The Commodore 64 hardware simulator: break chips and pins, see the results", which reaches 11 points.
- Oct 18, 2026A daily.dev post describes the simulator as modeling every chip at the pin level using the board's real netlist.