Repository layout and local hygiene

Documentation index

Tracked project content

Core/          Emulator and NES/FDS HD-renderer source
Libretro/      Libretro frontend and makefile
info/          Core information file
docs/          Authoritative project documentation
.github/       Community files, issue forms, and workflows
UI/            Preserved upstream UI source and assets
Utilities/     Shared upstream utilities
Lua/           Embedded Lua source
SevenZip/      Embedded archive source
Windows/       Windows platform source
Linux/         Linux platform source
MacOS/         macOS platform source
Sdl/           SDL platform source
InteropDLL/    Upstream interop source

Important root files

README.md
CHANGELOG.md
LICENSE
BUILD_WINDOWS_X64.ps1
INSTALL_TO_RETROARCH.ps1
makefile.libretro
Mesen.sln

Generated local output

These files are rebuildable and ignored:

*.o, *.obj, *.d, *.dep, *.map
Libretro/mesen_ce_nes_libretro.dll
build-transcript.txt
build/, out/, artifacts/, release-stage/
.vs/, bin/, obj/, Debug/, Release/, x64/, x86/

dist/ is also ignored but may be retained locally because it contains the exact tested release artifacts.

Never delete manually

• .git/
• tracked source directories
• tracked UI dependencies or source assets
• docs/
• info/
• LICENSE

Use git status, git ls-files, and git check-ignore to classify files. Do not use git clean -fdx on this repository.