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+# The Legend of Zelda: Skyward Sword
+
+This repository contains a work-in-progress decompilation of *The Legend of Zelda: Skyward Sword*
+for the Nintendo Wii system.
+
+This repository does **NOT** contain any game assets or assembly. An existing copy of the game is
+required in order to contribute.
+
+Currently, the only supported version of the game is `SOUE01`: the NTSC-U 1.0 version (USA).
+
+## 🔗 Dependencies
+
+If the following steps don't work for you, please refer to the
+[dtk dependencies documentation](https://github.com/encounter/dtk-template/blob/main/docs/dependencies.md).
+
+### Windows
+
+On Windows, it's **highly recommended** to use native tooling. WSL or msys2 are **not** required.
+When running under WSL, [objdiff](https://github.com/encounter/objdiff) is unable to get filesystem
+notifications for automatic rebuilds.
+
+- Install [Python](https://www.python.org/downloads/) and add it to `%PATH%`.
+- Download [ninja](https://github.com/ninja-build/ninja/releases) and add it to `%PATH%`.
+  - Quick install via pip: `pip install ninja`
+
+### macOS
+
+- Install [ninja](https://github.com/ninja-build/ninja/wiki/Pre-built-Ninja-packages):
+
+  ```sh
+  brew install ninja
+  ```
+
+- Install [wine-crossover](https://github.com/Gcenx/homebrew-wine):
+
+  ```sh
+  brew install --cask --no-quarantine gcenx/wine/wine-crossover
+  ```
+
+After OS upgrades, if macOS complains about `Wine Crossover.app` being unverified, you can
+unquarantine it using:
+
+  ```sh
+  sudo xattr -rd com.apple.quarantine '/Applications/Wine Crossover.app'
+  ```
+
+### Linux
+
+- Install [ninja](https://github.com/ninja-build/ninja/wiki/Pre-built-Ninja-packages).
+- For non-x86(_64) platforms: Install wine from your package manager.
+  - For x86(_64), [wibo](https://github.com/decompals/wibo), a minimal 32-bit Windows binary
+    wrapper, will be automatically downloaded and used.
+
+## 🔧 Building
+
+- Clone the repository:
+  ```
+  git clone https://github.com/lepelog/ss-dtk.git
+  ```
+- Using [Dolphin Emulator](https://dolphin-emu.org/), extract your `SOUE01` game ISO
+  - Right-click The Legend of Zelda: Skyward Sword game in Dolphin and select `Properties` to open
+    a new window containing various game properties
+![The Legend of Zelda: Skyward Sword is selected in the Dolphin Emulator. The "right-click" context menu has been opened and the "Properties" option is highlighted.](assets/dolphin-game-properties.png)
+  - Select the `Filesystem` tab at the top of this new window (it should be the rightmost tab)
+  - Right-click the topmost entry labelled `Disc` and select `Extract Entire Disk`
+![The Legend of Zelda: Skyward Sword's properties window in Dolphin with the "Filesystem" tab open. The entry named "Disc" is selected and the "right-click" context menu has been opened with the "Extract Entire Disc..." option highlighted.](assets/dolphin-extract-entire-disc.png)
+  - Once this has completed, copy the following files into the the `orig/SOUE01` folder of this
+    project. The rest can be deleted to save space.
+    - `DATA/sys/main.dol`
+    - `DATA/files/rels/*.rel`
+    - `DATA/files/RELS.arc`
+  - Be sure to place any rels into a `rels` subfolder. See the README.md file in the `orig` folder
+    for more information.
+- Run the configure script:
+  ```
+  python configure.py
+  ```
+- Build the project with ninja:
+  ```
+  ninja
+  ```
+
+## 🔬 Diffing
+
+Once the initial build succeeds, an `objdiff.json` should exist in the root of this project.
+
+Download the latest release of the object diffing tool, `objdiff`, from
+[encounter/objdiff](https://github.com/encounter/objdiff).
+
+Once `objdiff` is opened, set the `Project directory` by clicking on the `Settings` button near the
+`Project` heading.
+
+![The top-right of the "objdiff" program with the "Settings" button highlighted next to the "Project" heading.](assets/objdiff-project-settings.png)
+
+The project settings window should have opened. At the top of this window, click the `Select`
+button next to the `Project directory` heading.
+
+![The top of the project settings window with the "Select" button highlighted next to the "Project directory" heading.](assets/objdiff-project-directory.png)
+
+Select the root of this project and `objdiff` should now be fully setup. The configuration should be loaded automatically.
+
+Select an object from the left sidebar to begin diffing. Changes to the project will rebuild automatically: changes to source files, headers, `configure.py`, `splits.txt` or `symbols.txt`.
+
+![An example of the "objdiff" program showing the diff of the "d_base" file from this project.](assets/objdiff-example.png)
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