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FCEUX is a Nintendo Entertainment System and Famicom emulator designed for gaming, debugging, and tool-assisted speedrunning. It runs compatible NES games while providing precise control over emulation behavior. Players can use save states, configurable controllers, video filters, and gameplay recording tools. Its debugging environment includes memory inspection, breakpoints, a hexadecimal editor, and a PPU viewer. Tool-assisted speedrunning features support frame-by-frame advancement, input recording, and rerecording. Lua scripting enables custom automation and game analysis. Additional capabilities include cheat searching, ROM inspection, and movie playback. FCEUX combines accessible game emulation with advanced development tools and runs on Windows and Unix-like systems.
Features
- NES and Famicom game emulation with configurable video, audio, and input settings
- Instant save states, gameplay recording, and customizable controller mappings
- Tool-assisted speedrunning with frame advancement, input recording, and rerecording
- Advanced debugging tools with breakpoints, memory inspection, and hexadecimal editing
- Lua scripting for automated gameplay testing, memory analysis, and custom tools
- Cheat searching, PPU visualization, ROM inspection, and movie playback support
Project Samples
