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Doom runs on Canon EOS 550D DSLR via Magic Lantern module

GitHub user Lauris-nl built a module that runs Doom inside the open-source Magic Lantern firmware on the Canon EOS 550D (Rebel T2i). The port maps the camera's radial controls to movement, uses the Set button for select/fire, and runs at a smooth frame rate on the camera's image processor. Installation requires the Magic Lantern 550D.109 build on an SD card, the GitHub module, and compatible Doom .wad files; other Canon models or firmware versions are unsupported and can damage the camera.