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Drew Breunig implements NES emulator in model weights

1 reports 1 reporting sources 2 h前 updated

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Inspired by Divyansh Agrawal's qwenputer project, Drew Breunig has implemented a working Nintendo Entertainment System 6502 CPU emulator inside the weights of Qwen3.5-4B. According to Simon Willison's report on October 31, 2026, the emulator can run NES ROMs such as Super Mario Bros inside the model (very slowly). The project code is open-sourced on GitHub at dbreunig/nesformer. Public coverage so far only covers this development, with no follow-up updates.

AI overview of reporting · Updated 2 h前

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10/31
  1. Simon Willison
    dbreunig/nesformer

    Inspired by Divyansh Agrawal's qwenputer, Drew Breunig embedded a working Nintendo Entertainment System 6502 CPU simulator into the weights of Qwen3.5-4B, allowing NES ROMs such as Super Mario Bros to run (very slowly) inside the model. The project is at dbreunig/nesformer.

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