Mesen – high-accuracy NES and Famicom emulator and NSF player

Mesen is a cross-platform NES/Famicom emulator for Windows and Linux.

The emulator is written in the C++ and C# programming languages.

The Linux version is a standard .NET executable file and requires Mono to run.

Features include:

• High accuracy.
• High compatibility: Over 290 mappers supported (all licensed games supported). VS DualSystem games are supported.
• NES, Famicom, Famicom Disk System, Dendy, VS System, NSF and NSFe emulation is supported.
• General: Save States (save/load the state to/from any file)
  • Rewinding – rewind functionality with reverse video and audio playback (up to several hours worth of gameplay can be rewound).
  • Movie/Audio Recording.
  • Overclocking.
  • Cheat Codes.
• Video: Numerous video filters, customizable palettes/overscan, support for HDNes’ HD packs.
• Audio: Stereo effects, per-channel volume and panning, equalizer, etc. Sound effects (fake stereo, reverb, and more.).
• Misc: Netplay, 7z/zip support, IPS/BPS patch support, automatic updates, and more.
• Rotate the display (for homebrew games).
• Large range of peripherals are supported.
• Keyboard shortcuts.
• Supports a large number of command-line options.
• HD Packs make it possible to replace a game’s graphics and audio with high definition alternatives.
• NTSC/PAL support.
• NSF/NSFe support.
• Video recording/playback.
• Video filters (xBRZ, NTSC, etc.).
• Debugging Tools:
  • APU Viewer: Displays every detail of the APU’s current state for each channel.
  • Assembler: Allows you to edit a game’s code or run custom code on-the-fly.
  • Debugger: View the code, add breakpoints, labels, watch values, and much more.
  • Event Viewer: Visualize the timing of a variety of events (register read/writes, nmi, irq, etc.).
  • Memory Tools: Contains a hex editor and performance profiler.
  • PPU Viewer: Displays information on the nametables, sprites, CHR banks and palette. Contains a CHR graphic editor and a palette editor.
  • Script Window: Allows the execution of Lua scripts, which can communicate with the emulation via an API.
  • Text Hooker: Converts text shown on the screen into a text string (useful when trying to translate games.)
  • Trace Logger: View or log to a file the execution trace of the CPU and PPU.
• Cross-platform support – runs under Linux and Windows.

Website: www.mesen.ca
Support: Documentation, GitHub Code Repository
Developer: M. Bibaud and contributors
License: GNU General Public License v3.0

Learn C++ with our recommended free books and free tutorials. Learn C# with our recommended free books and free tutorials.

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