NES Emulator + 6502 Studio

On the record

Agent and Python tools

The project provides a C-ABI shared library, a Python package with a Gymnasium-style Super Mario Bros environment, and an optional Gymnasium adapter for stable-baselines3.github.com · read 9 Oct 2026

Agent integration

NES Studio can replay .nesmovie recordings and can show live agent play through a Python streaming server; the live-agent button is hidden in production builds unless a backend URL is configured.github.com · read 4 Oct 2026

Build requirements

The README recommends Docker, or lists a C++17 compiler, CMake 3.14 or newer, and GoogleTest for a native build.github.com · read 9 Oct 2026

Cartridge support

The emulator supports NROM, MMC1, UxROM, CNROM and MMC3 mappers.github.com · read 4 Oct 2026

CPU

The 6502 core implements all 151 official opcodes and documented illegal opcodes, and the README says it passes nestest and blargg instruction tests.github.com · read 9 Oct 2026

Debugger

NES Studio includes stepping, running, breakpoints, live disassembly, a memory editor, CPU and PPU state displays, pattern, nametable and OAM viewers, and full-screen Play mode.github.com · read 9 Oct 2026

Game compatibility

The README describes Super Mario Bros. as fully playable through level 1-1 and Super Mario Bros. 3 as booting with its attract demo playing.github.com · read 9 Oct 2026

Graphics and sound

The PPU supports backgrounds, sprites, OAM and DMA, scrolling, sprite-0 hit, and four mirroring modes; the APU has pulse, triangle, and noise channels wired to WebAudio.github.com · read 9 Oct 2026

Headless and deterministic use

A C-ABI shared library exposes independent NES instances with deterministic stepping, and the project includes a Python package with a Gymnasium-style Super Mario Bros environment.github.com · read 4 Oct 2026

Intended users

The project describes its headless library, Python environment and live-agent workflow as suitable for scripting, training agents, development and research.github.com · read 4 Oct 2026

Known limitation

The PPU renders a whole scanline at a time, so the ppu_vbl_nmi dot-timing conformance ROM is not yet passing.github.com · read 9 Oct 2026

License

The repository states that the software is licensed under GPL v3.github.com · read 9 Oct 2026

Live agent feature

Live agent streaming requires a Python server on the user's machine, and the Spawn Agent button is hidden in production builds unless a backend URL is configured.github.com · read 9 Oct 2026

Maker

The GitHub profile identifies the maker as Maxwell Knight, a fullstack engineer based in Israel.github.com · read 9 Oct 2026

Mapper support

The emulator supports NROM, MMC1, UxROM, CNROM, and MMC3 with scanline IRQ.github.com · read 9 Oct 2026

Purpose

NES Emulator + 6502 Studio is a C++ Nintendo Entertainment System emulator compiled to WebAssembly with a browser debugger called NES Studio.github.com · read 9 Oct 2026

Security and support

The opened project page provides no security or compliance claims and no dedicated support terms.github.com · read 4 Oct 2026

Setup

The project documents Docker and front-end setup using pnpm and Node 20+, plus a native build requiring a C++17 compiler, CMake 3.14+ and GoogleTest.github.com · read 4 Oct 2026

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