Duckstation/README.md

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# DuckStation - PlayStation 1, aka. PSX Emulator
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<p align="center">
<img src="https://raw.githubusercontent.com/stenzek/duckstation/md-images/main-qt.png" alt="Main Window Screenshot" />
</p>
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## Features
- CPU Recompiler/JIT (x86-64 and AArch64)
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- Hardware (D3D11 and OpenGL) and software rendering
- Upscaling and true colour (24-bit) in hardware renderers
- "Fast boot" for skipping BIOS splash/intro
- Save state support
- Windows and Linux support - macOS may work, but not actively maintained
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- Supports bin/cue images, raw bin/img files, and MAME CMD formats.
- Direct booting of homebrew executables
- Digital and analog controllers for input (rumble is forwarded to host)
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- Qt and SDL frontends for desktop
- Qt frontend has graphical configuration, and controller binding
- Automatic content scanning - game titles/regions are provided by redump.org
## System Requirements
- A CPU faster than a potato.
- For the hardware renderers, a GPU capable of OpenGL 3.0/OpenGL ES 3.0/Direct3D 11 Feature Level 10.0 and above. So, basically anything made in the last 10 years or so.
- SDL-compatible game controller (e.g. XB360/XBOne)
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## Downloading and running
Prebuilt binaries of DuckStation for 64-bit Windows are available via GitHub Actions CI. To download:
- Press the tick or cross next to the commit, shown under the "Clone or download" button
- Find "Windows Build" and click "details".
- Find the "Artifacts (1)" button in the top-right corner of the page, under "Fork".
- Download the `duckstation-windows-x64-release` artifact. This is a zip file containing the prebuilt binary.
Once downloaded and extracted, you can launch the Qt frontend from `duckstation-qt-x64-ReleaseLTCG.exe`, or the SDL frontend from `duckstation-x64-ReleaseLTCG.exe`.
To set up:
1. Either configure the path to a BIOS image in the settings, or copy one or more PlayStation BIOS images to the bios/ subdirectory.
2. If using the SDL frontend, add the directories containing your disc images by clicking `Settings->Add Game Directory`.
2. Select a game from the list, or open a disc image file and enjoy.
PlayStation game discs do not contain title information. For game titles, we use the redump.org database cross-referenced with the game's executable code.
This database can be manually downloaded and added as `cache/redump.dat`, or automatically downloaded by going into the `Game List Settings` in the Qt Frontend,
and clicking `Update Redump Database`.
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## Building
### Windows
Requirements:
- Visual Studio 2019
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1. Clone the respository with submodules (`git clone --recursive` or `git clone` and `git submodule update --init`).
2. Open the Visual Studio solution `duckstation.sln` in the root, or "Open Folder" for cmake build.
3. Build solution.
4. Binaries are located in `bin/x64`.
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5. Run `duckstation-x64-Release.exe` or whichever config you used.
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### Linux
Requirements:
- CMake
- SDL2
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1. Clone the repository. Submodules aren't necessary, there is only one and it is only used for Windows.
2. Create a build directory, either in-tree or elsewhere.
3. Run cmake to configure the build system. Assuming a build subdirectory of `build-release`, `cd build-release && cmake -DCMAKE_BUILD_TYPE=Release -GNinja ..`.
4. Compile the source code. For the example above, run `ninja`.
5. Run the binary, located in the build directory under `src/duckstation/duckstation`.
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### Android
**NOTE:** The Android frontend is still incomplete, not all functionality works and some paths are hard-coded.
Requirements:
- Android Studio with the NDK and CMake installed
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1. Clone the repository. Submodules aren't necessary, there is only one and it is only used for Windows.
2. Open the project in the `android` directory.
3. Select Build -> Build Bundle(s) / APKs(s) -> Build APK(s).
4. Install APK on device, or use Run menu for attached device.
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## Default keyboard bindings
Keyboard bindings are currently not customizable. For reference:
- **D-Pad:** W/A/S/D or Up/Left/Down/Right
- **Triangle/Square/Circle/Cross:** I/J/L/K or Numpad8/Numpad4/Numpad6/Numpad2
- **L1/R1:** Q/E
- **L2/L2:** 1/3
- **Start:** Enter
- **Select:** Backspace
Gamepads are automatically detected and supported. Tested with an Xbox One controller.
To access the menus with the controller, press the right stick down and use the D-Pad to navigate, A to select.
## Useful hotkeys
- **F1-F8:** Quick load/save (hold shift to save)
- **F11:** Toggle fullscreen
- **Tab:** Temporarily disable speed limiter
- **Pause/Break:** Pause/resume emulation
- **Space:** Frame step
- **End:** Toggle software renderer
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- **Page Up/Down:** Increase/decrease resolution scale in hardware renderers
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## Tests
- Passes amidog's CPU and GTE tests in both interpreter and recompiler modes, partial passing of CPX tests
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## Screenshots
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<p align="center">
<img src="https://raw.githubusercontent.com/stenzek/duckstation/md-images/ff7.jpg" alt="Final Fantasy 7" width="400" />
<img src="https://raw.githubusercontent.com/stenzek/duckstation/md-images/ff8.jpg" alt="Final Fantasy 8" width="400" />
<img src="https://raw.githubusercontent.com/stenzek/duckstation/md-images/main.png" alt="SDL Frontend" width="400" />
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<img src="https://raw.githubusercontent.com/stenzek/duckstation/md-images/spyro.jpg" alt="Spyro 2" width="400" />
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</p>
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## Disclaimers
Icon by icons8: https://icons8.com/icon/74847/platforms.undefined.short-title
"PlayStation" and "PSX" are registered trademarks of Sony Interactive Entertainment Europe Limited. This project is not affiliated in any way with Sony Interactive Entertainment.