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Mesen 0.9.9

Description

Mesen is a high-accuracy NES and Famicom emulator and NSF player for Windows and Linux.

 

Features

  • High Accuracy: A lot of effort has gone into making Mesen as accurate as possible.
  • High Compatibility: Over 290 mappers supported (all licensed games supported)
  • NES, Famicom, Famicom Disk System, Dendy, VS System, NSF and NSFe emulation is supported.
  • General: Save States, Rewinding, 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.
  • Misc: Netplay, 7z/zip support, IPS/BPS patch support, automatic updates, and more!

Changelog

0.9.9 - February 1, 2020

This release is a beta - save states, movies, etc. created with this version may not be compatible with future versions of Mesen.

 

New Features

  • Run Ahead: Added run ahead support (in Emulation settings)
  • Emulation: Added 2 new options to emulate known PPU hardware bugs
  • Emulation: Added option to emulate CPU/PPU alignments
  • UI: Added load and save state menus (with previews and timestamps)
  • Mappers: Added support for Study Box roms (.studybox files)
  • UNROM512/GTROM: Added support for self-flashing
  • Debugger: Various fixes and improvements
  • Event Viewer: Improved filtering options and added the ability to display NTSC borders

 

Bug Fixes

  • CPU: Rewrote DMC and OAM DMA logic to better match hardware behavior/timings
  • CPU: Fixed an issue with NMIs turning into IRQs (when turning the NMI flag off at the wrong moment)
  • PPU: Fixed PPU OAM fetch pattern on pre-render scanline
  • PPU: Fixed some PPU timings to better match hardware
  • MC-ACC: Improved MC-ACC (licensed MMC3 clone) emulation
  • MMC5: Rewrote a large portion of the code to better match hardware behavior and quirks
  • Mappers: Fixed/improved emulation of a number of mappers used by unlicensed games
  • NSF: Fixed an issue that caused problems with some FDS NSF files
  • Linux: Fixed bug when using nvidia's drivers that caused the screen to be completely black

Links

Mesen - NES and Famicom Emulator

Downloads

Gallery


 
 

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