https://github.com/uchan-nos/os-from-zero/wiki https://zenn.dev/karaage0703/articles/1bdb8930182c6c 「ゼロからのOS自作入門」の副読本的記事 https://www.youtube.com/playlist?list=PLbBGNsln3DxTLHB9GFM6_drAJ1JQXIOud code: