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PlayStation 1, aka. PSX Emulator\n\n[Features](#features) | [Downloading and Running](#downloading-and-running) | [Building](#building) | [Disclaimers](#disclaimers)\n\n**Latest Builds for Windows 10/11 (x64/ARM64), Linux (AppImage x64/ARM32/ARM64), and macOS (13.3+ Universal):** https://github.com/stenzek/duckstation/releases/tag/latest\n\n**Discord Server:** https://www.duckstation.org/discord.html\n\nDuckStation is an simulator/emulator of the Sony PlayStation(TM) console, focusing on playability, speed, and long-term maintainability. The goal is to be as accurate as possible while maintaining performance suitable for low-end devices. \"Hack\" options are discouraged, the default configuration should support all playable games with only some of the enhancements having compatibility issues.\n\nA PS1 or PS2 \"BIOS\" ROM image is required to to start the emulator and to play games. You can use an image from any hardware version or region, although mismatching game regions and BIOS regions may have compatibility issues. A ROM image is not provided with the emulator for legal reasons, you should dump this from your own console using Caetla or other means.\n\n## Features\n\nDuckStation features a fully-featured frontend built using Qt, as well as a fullscreen/TV UI based on Dear ImGui.\n\n\u003cp align=\"center\"\u003e\n  \u003cimg src=\"https://raw.githubusercontent.com/stenzek/duckstation/md-images/main-qt.png\" alt=\"Main Window Screenshot\" /\u003e\n  \u003cimg src=\"https://raw.githubusercontent.com/stenzek/duckstation/md-images/bigduck.png\" alt=\"Fullscreen UI Screenshot\" /\u003e\n\u003c/p\u003e\n\nOther features include:\n\n - CPU Recompiler/JIT (x86-64, armv7/AArch32, AArch64, RISC-V/RV64).\n - Hardware renderer supporting D3D11, D3D12, OpenGL, Vulkan and Metal APIs.\n - Upscaling, texture filtering, and true colour (24-bit) in hardware renderers.\n - PGXP for geometry precision, texture correction, and depth buffer emulation.\n - Accurate blending via Rasterizer Order Views/Fragment Shader Interlock.\n - Texture replacement system in hardware renderers.\n - Vectorized and multi-threaded software renderer.\n - Motion adaptive deinterlacing.\n - Adaptive downsampling filter.\n - Screen rotation for vertical or \"TATE\" shmup games.\n - Post processing shader chains (GLSL, Reshade FX and Slang Presets).\n - Border overlays/bezels displayed around game content.\n - \"Fast boot\" for skipping BIOS splash/intro.\n - Save state support, with runahead and rewind.\n - Windows, Linux, macOS support.\n - Supports reading directly from CD, bin/cue images, MAME CHD, single-track ECM, MDS/MDF, CCD, and unencrypted PBP formats.\n - Preloading of disc images to RAM to avoid disk sleeping hitches.\n - Merging of multi-disc games in game list/grid with memory cards shared between discs.\n - Automatic loading/applying of PPF patches.\n - Direct booting of homebrew executables.\n - Direct loading of Portable Sound Format (psf) files.\n - Time stretched audio when running outside of 100% speed.\n - Digital and analog controllers for input (rumble is forwarded to host).\n - GunCon and Justifier lightgun support (simulated with mouse).\n - NeGcon support.\n - Controller presets and per-game configuration.\n - Qt and \"Big Picture\" UI.\n - Automatic updates with preview and latest channels.\n - Automatic content scanning - game titles/hashes are provided by redump.org.\n - Optional automatic switching of memory cards for each game.\n - Supports loading cheats from existing lists.\n - Memory card editor and save importer.\n - Emulated CPU overclocking.\n - Integrated and remote debugging.\n - Multitap controllers (up to 8 devices).\n - RetroAchievements.\n - Discord Rich Presence.\n - Video capture with Media Foundation (Windows) and [FFmpeg](https://www.ffmpeg.org/) (All Platforms) backends.\n - Free camera function.\n - Parallel port cartridge emulation.\n\n## System Requirements\n - A CPU faster than a potato. But it needs to be x86_64, AArch32/armv7, AArch64/ARMv8, or RISC-V/RV64.\n - A GPU capable of OpenGL 3.1/OpenGL ES 3.1/Direct3D 11 Feature Level 10.0/Vulkan 1.0. So, basically anything made in the last 10 years or so.\n - SDL, XInput or DInput compatible game controller (e.g. XB360/XBOne/XBSeries). DualShock 3 users on Windows will need to install the official DualShock 3 drivers included as part of PlayStation Now.\n\n## Downloading and running\nBinaries of DuckStation for Windows x64/ARM64, Linux x86_64/ARM32/ARM64 (in AppImage format), and macOS Universal Binaries are available via GitHub Releases and are automatically built with every commit/push.\n\nAs per the terms of CC-BY-NC-ND, redistribution of **unmodified releases and code** is permitted. However, we would prefer if you linked to https://www.duckstation.org/ instead. Please note that pre-configured settings and packages are considered modifications.\n\nFor x86 machines (most systems), you will need a CPU that supports the SSE4.1 instruction set for the \"normal\" build. This includes all Intel CPUs manufactured after 2007, and AMD CPUs manufactured after 2011. If you have a CPU that is older, you will need to download the \"SSE2\" build from the releases page, which has lower performance but still supports these CPUs.\n\nThe main releases page is limited to the last 30 releases due to automatic updater limitations. Older releases can be downloaded from https://github.com/duckstation/old-releases/releases.\n\n### Update Channels\n\nThe automatic updater in DuckStation has two channels: \"Stable\" and \"Preview\".\n - \"Stable Releases\": Less frequent updates, and tracks the \"latest\" release on GitHub. Releases in this channel have had more testing.\n - \"Preview Releases\": Built whenever a commit is pushed to the repository, and tracks the pre-release on GitHub. This channel contains builds which have had minimal testing, and may contain bugs or issues.\n\nBy default, the updater will track the channel you downloaded from. You can change the channel in `Settings -\u003e Interface -\u003e Updates`.\n\n### Windows\n\nDuckStation **requires** Windows 10/11, specifically version 1809 or newer. If you are still using Windows 7/8/8.1, DuckStation **will not run** on your operating system. Running these operating systems in 2026 should be considered a security risk, and I would recommend updating to something which receives vendor support.\nIf you must use an older operating system, [v0.1-5624](https://github.com/duckstation/old-releases/releases/tag/v0.1-5624) is the last version which will run. But do not expect to receive any assistance, these builds are no longer supported.\n\nWindows builds are provided in two formats:\n - **Installer (.exe, recommended):** An installer which extracts DuckStation to your user-local programs directory, and optionally creates Start Menu/Desktop shortcuts.\n - **Archive (.zip):** A zip archive containing the prebuilt binary. Choose this option if you want a \"portable\" installation, or do not want to run an installer.\n\nTo use the installer, simply download the installer from the releases page, run it, and follow the prompts.\n - Direct download link: https://github.com/stenzek/duckstation/releases/download/latest/duckstation-windows-x64-installer.exe\n - ARM64 download link (Snapdragon laptops): https://github.com/stenzek/duckstation/releases/download/latest/duckstation-windows-arm64-installer.exe\n - Legacy SSE2 installer (for pre-2008 CPUs): https://github.com/stenzek/duckstation/releases/download/latest/duckstation-windows-x64-sse2-installer.exe\n\nThe installer is still a new addition, so if you encounter issues please let us know via Discord.\n\nTo use the archive or portable installation, follow these steps:\n1. Download https://github.com/stenzek/duckstation/releases/download/latest/duckstation-windows-x64-release.zip. If you have an ARM64 Windows machine such as Snapdragon, download `duckstation-windows-arm64-release.zip` instead.\n2. Extract the archive **to a subdirectory**. The archive has no root subdirectory, so extracting to the current directory will drop a bunch of files in your download directory if you do not extract to a subdirectory.\n3. If you want a portable installation (see [User Directories](#user-directories)), create an empty file named `portable.txt` in the same directory as the executable.\n4. Once downloaded and extracted, you can launch the emulator with `duckstation-qt-x64-ReleaseLTCG.exe`. Follow the Setup Wizard to get started.\n\n**If you get an error about `vcruntime140_1.dll` being missing, you will need to update your Visual C++ runtime.** You can do that from this page: https://learn.microsoft.com/en-us/cpp/windows/latest-supported-vc-redist. Specifically, you want the x64 runtime, which can be downloaded from https://aka.ms/vs/17/release/vc_redist.x64.exe.\n\n### Linux\n\nDuckStation is provided for x86_64/ARM32/ARM64 Linux in AppImage formats.\n\n#### AppImage\n\nThe AppImages require a distribution equivalent to Ubuntu 22.04 or newer to run.\n\n1. Download https://github.com/stenzek/duckstation/releases/download/latest/DuckStation-x64.AppImage. If you have an ARM64 Linux machine, you should download `DuckStation-arm64.AppImage`.\n2. Run `chmod a+x` on the downloaded AppImage -- following this step, the AppImage can be run like a typical executable. Alternatively, in your file manager of choice, enable execute permissions via the file properties dialog.\n3. When running the AppImage for the first time, it will prompt to create a launcher shortcut.\n\nIf you were previously using the Flatpak package, to migrate your data from the Flatpak to the AppImage, you can run the following command:\n```bash\nmv ~/.var/app/org.duckstation.DuckStation/config/duckstation ~/.local/share\n```\n\nYou will need to re-add your game directories after switching to the AppImage.\n\n### macOS\n\nUniversal macOS builds are provided for both x86_64 (Intel) and ARM64 (Apple Silicon).\n\nmacOS Ventura (13.3) is required, as this is also the minimum requirement for Qt.\n\nTo download:\n\n1. Download https://github.com/stenzek/duckstation/releases/download/latest/duckstation-mac-release.zip.\n2. Extract the zip by double-clicking it.\n3. Open `DuckStation.app`, optionally moving it to your desired location first.\n\nIf you receive a message about the app being from an unidentified developer:\n\n1. Open System Settings -\u003e Privacy \u0026 Security, or enter \"Gatekeeper\" in the search bar.\n2. Under the \"Security\" section, there should be a message about DuckStation being blocked. Click \"Open Anyway\".\n\nUnfortunately this is required as Apple requires code signing for apps to be run without warnings, and I do not have a code signing certificate since a yearly cost is out of the question for a project which brings in zero revenue.\n\n### Android\n\nYou will need a device with armv7 (32-bit ARM), AArch64 (64-bit ARM), or x86_64 (64-bit x86). 64-bit is preferred, the requirements are higher for 32-bit, you'll probably want at least a 1.5GHz CPU.\n\nDownload from Google Play: https://play.google.com/store/apps/details?id=com.github.stenzek.duckstation\n\n**No support is provided for the Android app**, it is free and your expectations should be in line with that. Please **do not** email me about issues about it, or ask for help, you will be ignored.\n\nTo use:\n1. Install and run the app for the first time.\n2. Follow the setup wizard.\n\nIf you have an external controller, you will need to map the buttons and sticks in settings.\n\n### LibCrypt protection and SBI files\n\nA number of PAL region games use LibCrypt protection, requiring additional CD subchannel information to run properly. libcrypt not functioning usually manifests as hanging or crashing, but can sometimes affect gameplay too, depending on how the game implemented it.\n\nFor these games, make sure that the CD image and its corresponding SBI (.sbi) file have the same name and are placed in the same directory. DuckStation will automatically load the SBI file when it is found next to the CD image.\n\nFor example, if your disc image was named `Spyro3.cue`, you would place the SBI file in the same directory, and name it `Spyro3.sbi`.\n\nCHD images with built-in subchannel information are also supported.\n\nIf you are playing directly from a disc and your CD/DVD drive does not support subchannel reading, or has a skew with the returned SubQ, you can place the SBI file in the `subchannels` directory under the user directory, with the serial or title of the game.\n\n### Cheats and patch database\n\nDuckStation ships with a built-in cheat and patch database, both provided by the community. Contributions to these are welcome at https://github.com/duckstation/chtdb.\n\nEach release includes the latest version of the database, however you are free to manually update to the latest version as well.\n\n## Building\n\n### Windows\nRequirements:\n - Visual Studio 2026 or newer with the \"Desktop development with C++\" workload installed.\n\n1. Clone the repository: `git clone https://github.com/stenzek/duckstation.git`.\n2. Download the dependencies pack from https://github.com/duckstation/dependencies. You'll need the `deps-windows-x64.7z` file, and `deps-windows-arm64.7z` if you want to cross-compile for ARM64. Extract these archives to `dep\\prebuilt`.\n3. Open the Visual Studio solution `duckstation.sln` in the root (recommended), or \"Open Folder\" for CMake build (not recommended/supported).\n4. Build solution.\n5. Binaries are located in `bin/x64`.\n6. Run `duckstation-qt-x64-Release.exe` or whichever config you used.\n\n### Linux\n\n#### Required Dependencies\n\nUbuntu/Debian package names:\n```\nautoconf automake build-essential clang cmake curl extra-cmake-modules git libasound2-dev libcurl4-openssl-dev libdbus-1-dev libdecor-0-dev libegl-dev libevdev-dev libfontconfig-dev libfreetype-dev libgtk-3-dev libgudev-1.0-dev libharfbuzz-dev libinput-dev libopengl-dev libpipewire-0.3-dev libpulse-dev libssl-dev libudev-dev libwayland-dev libx11-dev libx11-xcb-dev libxcb1-dev libxcb-composite0-dev libxcb-cursor-dev libxcb-damage0-dev libxcb-glx0-dev libxcb-icccm4-dev libxcb-image0-dev libxcb-keysyms1-dev libxcb-present-dev libxcb-randr0-dev libxcb-render0-dev libxcb-render-util0-dev libxcb-shape0-dev libxcb-shm0-dev libxcb-sync-dev libxcb-util-dev libxcb-xfixes0-dev libxcb-xinput-dev libxcb-xkb-dev libxext-dev libxkbcommon-x11-dev libxrandr-dev libxss-dev libtool lld llvm nasm ninja-build pkg-config zlib1g-dev\n```\n\nFedora package names:\n```\nalsa-lib-devel autoconf automake brotli-devel clang cmake dbus-devel egl-wayland-devel extra-cmake-modules fontconfig-devel gcc-c++ gtk3-devel libavcodec-free-devel libavformat-free-devel libavutil-free-devel libcurl-devel libdecor-devel libevdev-devel libICE-devel libinput-devel libSM-devel libswresample-free-devel libswscale-free-devel libX11-devel libXau-devel libxcb-devel libXcomposite-devel libXcursor-devel libXext-devel libXfixes-devel libXft-devel libXi-devel libxkbcommon-devel libxkbcommon-x11-devel libXpresent-devel libXrandr-devel libXrender-devel libXScrnSaver-devel libtool lld llvm make mesa-libEGL-devel mesa-libGL-devel nasm ninja-build openssl-devel patch pcre2-devel perl-Digest-SHA pipewire-devel pulseaudio-libs-devel systemd-devel wayland-devel xcb-util-cursor-devel xcb-util-devel xcb-util-errors-devel xcb-util-image-devel xcb-util-keysyms-devel xcb-util-renderutil-devel xcb-util-wm-devel xcb-util-xrm-devel zlib-devel\n```\n\n#### Building\n\n1. Clone the repository: `git clone https://github.com/stenzek/duckstation.git`, `cd duckstation`.\n2. Download the dependencies pack from https://github.com/duckstation/dependencies. You'll need the `deps-linux-x64.tar.xz` file, and the cross variants if you want to cross-compile for ARM. Extract these archives to `dep\\prebuilt`.\n3. Run CMake to configure the build system. Assuming a build subdirectory of `build-release`, run `cmake -B build-release -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_EXE_LINKER_FLAGS_INIT=\"-fuse-ld=lld\" -DCMAKE_MODULE_LINKER_FLAGS_INIT=\"-fuse-ld=lld\" -DCMAKE_SHARED_LINKER_FLAGS_INIT=\"-fuse-ld=lld\" -G Ninja`. If you want a release (optimized) build, include `-DCMAKE_BUILD_TYPE=Release -DCMAKE_INTERPROCEDURAL_OPTIMIZATION=ON`.\n4. Compile the source code. For the example above, run `ninja -C build-release`\n5. Run the binary, located in the build directory under `./build-release/bin/duckstation-qt`.\n\n### macOS\n\nRequirements:\n - CMake\n - Xcode\n\n1. Clone the repository: `git clone https://github.com/stenzek/duckstation.git`.\n2. Download the dependencies pack from https://github.com/duckstation/dependencies. You'll need the ` deps-macos-universal.tar.xz` file. Extract the archives to `dep\\prebuilt`.\n3. Run CMake to configure the build system: `cmake -Bbuild-release -DCMAKE_BUILD_TYPE=Release -DCMAKE_INTERPROCEDURAL_OPTIMIZATION=ON`. \n4. Compile the source code: `cmake --build build-release --parallel`.\n5. Run the binary, located in the build directory under `bin/DuckStation.app`.\n\n## User Directories\nThe \"User Directory\" is where you should place your BIOS images, where settings are saved to, and memory cards/save states are saved by default.\nAn optional [SDL game controller database file](#sdl-game-controller-database) can be also placed here.\n\nThis is located in the following places depending on the platform you're using:\n\n- Windows: `AppData\\Local\\DuckStation` (old installs will use `Documents\\DuckStation`).\n- Linux: `$XDG_DATA_HOME/duckstation`, or `~/.local/share/duckstation`.\n- macOS: `~/Library/Application Support/DuckStation`.\n\nSo, if you were using Linux, you would place your BIOS images in `~/.local/share/duckstation/bios`. This directory will be created upon running DuckStation for the first time.\n\nIf you wish to use a \"portable\" build, where the user directory is the same as where the executable is located, create an empty file named `portable.txt` in the same directory as the DuckStation executable.\n\nA shortcut to open the user directory is available by selecting `Open Data Directory` from the `Tools` menu.\n\nDuckStation allows you to override certain resources by placing files in the `resources` subdirectory of the user directory. This includes images and sound effects (e.g. menu navigation/achievement unlock). Please refer to https://github.com/stenzek/duckstation/wiki/Resource-Overrides for more information.\n\n## Bindings for Qt frontend\nYour keyboard or game controller can be used to simulate a variety of PlayStation controllers. Controller input is supported through DInput, XInput, and SDL backends and can be changed through `Settings -\u003e Controllers`.\n\nTo bind your input device, go to `Settings -\u003e Controllers`, and select the virtual controller you want to map. Automatic mapping handles the majority of controllers. However, if you need to manually bind a controller, click the box below the button/axis name, and press the key or button on your input device that you wish to bind to.\n\n## SDL Game Controller Database\nDuckStation releases ship with a database of game controller mappings for the SDL controller backend, courtesy of https://github.com/mdqinc/SDL_GameControllerDB. The included `gamecontrollerdb.txt` file can be found in the `resources` subdirectory of the DuckStation program directory.\n\nIf you are experiencing issues binding your controller with the SDL controller backend, you may need to add a custom mapping to the database file. Make a copy of `gamecontrollerdb.txt` and place it in your [user directory](#user-directories) (or directly in the program directory, if running in portable mode) and then follow the instructions in the [SDL_GameControllerDB repository](https://github.com/mdqinc/SDL_GameControllerDB) for creating a new mapping. Add this mapping to the new copy of `gamecontrollerdb.txt` and your controller should then be recognized properly.\n\n## Default bindings\n\nBindings for controllers and hotkeys can be changed in `Settings -\u003e Controllers`.\n\nController 1:\n - **Left Stick:** W/A/S/D\n - **Right Stick:** T/F/G/H\n - **D-Pad:** Up/Left/Down/Right\n - **Triangle/Square/Circle/Cross:** I/J/L/K\n - **L1/R1:** Q/E\n - **L2/R2:** 1/3\n - **L3/R3:** 2/4\n - **Start:** Enter\n - **Select:** Backspace\n\nHotkeys:\n - **Escape:** Open Pause Menu\n - **F1:** Load State\n - **F2:** Save State\n - **F3:** Select Previous Save State\n - **F4:** Select Next Save State\n - **F10:** Save Screenshot\n - **F11:** Toggle Fullscreen\n - **Tab:** Temporarily Disable Speed Limiter\n - **Space:** Pause/Resume Emulation\n\n## Disclaimers\n\nIcon by icons8: https://icons8.com/icon/74847/platforms.undefined.short-title\n\n\"PlayStation\" and \"PSX\" are registered trademarks of Sony Interactive Entertainment Europe Limited. This project is not affiliated in any way with Sony Interactive Entertainment.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fstenzek%2Fduckstation","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fstenzek%2Fduckstation","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fstenzek%2Fduckstation/lists"}