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1.3.4 / 05-09-2022





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bsnes-mt is an improved version of the Super Nintendo/Super Famicon bsnes emulator but adds Pixel-perfect integer-ratio scaling, PNG screen­shots, precise aspect ratio, and more...

Main improvements over bsnes

  • Pixel-perfect integer-ratio scaling both vertically and horizontally.

  • Precise aspect ratio of 4:3 instead of 64:49 with correction enabled, in the “Center” and “Scale” modes.

  • Saving screenshots in the compressed PNG format instead of uncompressed BMP.

  • Drivers are not reset after crashes, a command-line option is provided for explicit reset.

  • Better default settings: VSync, exclusive full-screen mode, blur disabled.

  • Built-in hotkeys for full-screen and pseudo-full-screen modes, opening a game; Alt+F4 works in full-screen mode.

  • Improved usability, bug fixes, and more.


Windows: 7+

Most Receent Changes


  • Fixed: state-slot number was not shown in status bar when iterating one by one via hotkeys.


  • Added French translation (fr) by KarLKoX-FR.


  • Added translations:German (de) (full, by Erendel);
    Italian (it) (full, by Vecna);
    Spanish (es) (almost full, by JuanchoES).

  • Previous partial Italian translation by theheroGAC is now available as it-partial.

  • Fixed syntax of partial Japanese translation.


  • Built-in hotkeys: unused modifiers are now taken into account.

  • Widened settings navigation for Russian items to fit into at 100% OS-level zoom without horizontal scrolling.

  • Minor corrections to Brazilian-Portuguese translation.

Show Previous Changes


  • Support for language subtags and custom locales.

  • Added Brazilian-Portuguese translation (pt-BR) by Wellington Uemura aka wtuemura.


  • Fixed: did not run on some systems due to a compilation flag inherited from original bsnes. (Thanks Philip P. for feedback and testing.)

  • Disabled exclusive full-screen mode by default since VSync doesn't work in exclusive mode.


  • Translations are now easily editable external text files.

  • Added partial Italian translation by theheroGAC.

  • Support for optional 8:7 pixel-aspect ratio (PAR) instead of 4:3 image aspect-ratio.

  • More built-in hotkeys:F9 and PrintScreen to take screenshot;
    F11 to toggle full-screen mode;
    Escape to exit full-screen or pseudo-full-screen mode;
    Ctrl+W and Ctrl+F4 to close game;
    F5 to reset virtual console;
    Pause/Break to pause emulation.

  • Added a section into settings, for managing built-in hotkeys.

  • Added confirmation before clearing recent games’ list.

  • Scaling info is now only shown when changed, to prevent affecting performance.

  • Added settings’ section title into settings’ window titlebar.

  • Fixed: overscan setting was ignored in “Center” mode with aspect-ratio correction enabled.


  • Fixed bsnes bug: region autodetection didn't work with native file dialog.

  • Fixed: region autodetection didn't work even with the custom bsnes file dialog, when Russian UI language was used.

  • Disabled the 'No Recent Games' menu metaitem.

  • Translated 'Slot' in status-bar message after quick save, and 'Redo' in 'Quick States' list in state manager.

  • Internal improvements.


  • Fixed a crash when closing with Alt+F4 in Windows 7.


  • Russian translation is now complete.

  • Pixel-perfect scaling in HiRes modes.

  • Built-in hotkeys for full-screen, pseudo-full-screen, opening a game, and support for Alt+F4 in full-screen mode.

  • Fixed: main window was unfocused after start.


Initial Release

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