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+## data directory
+
+
+This is a note, All core files (files that end with `.data`) are compiled versions on [retroarch](https://github.com/libretro/RetroArch)
+
+Changes from the original software can be viewed [here](https://github.com/ethanaobrien/RetroArch).
+
+All core files are licensed with the GNU General Public License version 3.0