{"type":"post","id":"nesformer-compiles-an-nes-6502-cpu-ram-and-187393","slug":"nesformer-compiles-an-nes-6502-cpu-ram-and-187393","title":"Nesformer compiles an NES 6502 CPU, RAM and cartridge ROM into a stock Qwen3.5 checkpoint","description":"Nesformer is an open-source demonstration that compiles an NES 6502 CPU, its work RAM, and a game cartridge program into the weights of a stock Qwen3.5 checkpoint.","retrieval_nugget":"Nesformer is an open-source demonstration that compiles an NES 6502 CPU, its work RAM, and a game cartridge program into the weights of a stock Qwen3.5 checkpoint. It matters because it separates the checkpoint file format from the usual act of training a language model: here, the weights are a computed program with exact emulator checks.","published_at":"2026-10-31","updated_at":"2026-10-31","record_date":"2026-10-31","date_kind":"published_at","topics":[],"entities":["Nesformer","Drew Breunig","Qwen3.5","Qwenputer","Nintendo Entertainment System"],"related_patterns":[],"novelty_label":"new_fact","what_changed":"Nesformer adds a distinct NES 6502 CPU, RAM and cartridge-ROM implementation compiled into stock Qwen3.5, alongside the prior Qwenputer RISC-V CPU project.","prior_refs":["memory:a0ae8610-0ceb-8e7d-a450-f3b0ad6f0d06"],"source_url":"https://github.com/dbreunig/nesformer","source_urls":["https://github.com/dbreunig/nesformer"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:nesformer-compiles-an-nes-6502-cpu-ram-and-187393","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/nesformer-compiles-an-nes-6502-cpu-ram-and-187393/","markdown":"https://newruntime.com/posts/nesformer-compiles-an-nes-6502-cpu-ram-and-187393.md","json":"https://newruntime.com/posts/nesformer-compiles-an-nes-6502-cpu-ram-and-187393.json"},"next_reads":[{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}