{"id":932,"date":"2026-05-15T18:31:25","date_gmt":"2026-05-15T18:31:25","guid":{"rendered":"https:\/\/www.root42.de\/blog\/?p=932"},"modified":"2026-05-15T18:31:25","modified_gmt":"2026-05-15T18:31:25","slug":"lets-code-ms-dos-0x37-rainbow-surf-analysis","status":"publish","type":"post","link":"https:\/\/www.root42.de\/blog\/?p=932","title":{"rendered":"Let&#8217;s Code MS DOS: 0x37 Rainbow Surf Analysis"},"content":{"rendered":"\n<p>This year&#8217;s Revision demoparty had a surprising winner in the 256 byte compo. It was Rainbow Surf by Plex\/BionFX and it is only 16 bytes long. That is short, very short. In fact, here is the code: c4 04 48 ab 26 03 45 ae 26 03 05 c1 e8 02 eb f2. Let&#8217;s dissect it!<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Let&#039;s Code MS DOS: 0x37 Rainbow Surf Analysis\" width=\"840\" height=\"473\" src=\"https:\/\/www.youtube.com\/embed\/FGf2LEAbdSg?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>This year&#8217;s Revision demoparty had a surprising winner in the 256 byte compo. It was Rainbow Surf by Plex\/BionFX and it is only 16 bytes long. That is short, very short. In fact, here is the code: c4 04 48 ab 26 03 45 ae 26 03 05 c1 e8 02 eb f2. Let&#8217;s dissect &hellip; <a href=\"https:\/\/www.root42.de\/blog\/?p=932\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Let&#8217;s Code MS DOS: 0x37 Rainbow Surf Analysis&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=\/wp\/v2\/posts\/932"}],"collection":[{"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=932"}],"version-history":[{"count":1,"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=\/wp\/v2\/posts\/932\/revisions"}],"predecessor-version":[{"id":933,"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=\/wp\/v2\/posts\/932\/revisions\/933"}],"wp:attachment":[{"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=932"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=932"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=932"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}