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On the recordRead 5 Oct 202618 facts
EM-DOSBox
On the record
- Asyncify
- Asyncify is enabled by default to make more DOSBox features work, with what the project describes as a very small performance penalty.github.com · read 4 Oct 2026
- Browser features
- With Asyncify enabled, users can interactively load files into DOSBox.github.com · read 5 Oct 2026
- Browser serving
- The README says to serve the page over a web server because most browsers prevent access to required files through file:// URLs.github.com · read 5 Oct 2026
- Build limitation
- Compiling in Windows is not supported because the build process requires a Unix-like environment and GNU Autotools.github.com · read 5 Oct 2026
- Build output
- The build creates dosbox.js and, when WebAssembly is enabled, dosbox.wasm, along with a simple HTML interface.github.com · read 5 Oct 2026
- Compatibility
- The project says most games run successfully in web browsers, though a few programs can have problems due to paging exceptions.github.com · read 5 Oct 2026
- Configuration
- A dosbox.conf file can be included in a package to change emulator speed, audio, or graphics settings.github.com · read 4 Oct 2026
- Creator credit
- The README credits Boris Gjenero with getting the Emscripten port working, fixing issues, and improving performance.github.com · read 4 Oct 2026
- Credits
- The project credits Boris Gjenero with getting DOSBox working through Emscripten and improving its performance for browser use.github.com · read 5 Oct 2026
- Customization
- A packaged DOSBox configuration file can change speed, audio, or graphics settings.github.com · read 5 Oct 2026
- Dependencies
- Building requires a recent stable Emscripten version, and the packager tools require Python 3.github.com · read 5 Oct 2026
- License
- The repository identifies DOSBox as distributed under the GNU General Public License and links to its GPL-2.0 license file.github.com · read 5 Oct 2026
- Loading programs
- The included packager tools can create web pages that load DOS files into the Emscripten file system and pass command-line arguments to DOSBox.github.com · read 4 Oct 2026
- Packaging
- The included packager tools can create web pages that load DOS files and launch a specified game or program.github.com · read 5 Oct 2026
- Purpose
- EM-DOSBox is a DOSBox version that can be compiled with Emscripten to run DOS games and programs in a web browser.github.com · read 5 Oct 2026
- Save-file limitation
- Saved games go into an in-memory Emscripten file system by default and are lost when the web page is closed.github.com · read 4 Oct 2026
- Save files
- Game saves go into an in-memory Emscripten file system by default and are lost when the web page is closed.github.com · read 5 Oct 2026
- Status
- The project says it runs most games successfully in web browsers, though some programs can encounter paging exceptions.github.com · read 4 Oct 2026
