FCEUX 2.2.3

FCEUX is a free and open-source emulator for Nintendo Entertainment System (NES) and Famicom systems. It includes a variety of debugging tools and features, such as memory viewers, trace logs, and breakpoints, making it a powerful tool for reverse engineering and ROM hacking. FCEUX also supports save states, cheat codes, and various video filters and enhancements, allowing users to customize their gameplay experience. Finally, it has a user-friendly interface and is available for Windows, Mac, and Linux systems.