Mesen is an open source (GPLv3) NES (Famicom) emulator. It is a high accuracy emulator for Windows.
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Overview[]
According to test roms, it is ranked as the most accurate NES emulator, slightly above puNES with a score of 99.6%.[1]
It has cycle-accurate emulation and offers numerous features, including:
- Support for over 200 mappers
- FDS (Famicom Disk System) support
- Video filters (xBRZ, NTSC, etc.)
- Netplay
- Debugging tools
- NSF/NSFe support
- VS Unisystem support
- NTSC/PAL support
- Overclocking
- Video recording/playback
- Custom palettes
- Sound effects (fake stereo, reverb, etc.)