{"id":1017,"date":"2024-03-18T03:53:10","date_gmt":"2024-03-18T03:53:10","guid":{"rendered":"http:\/\/tlindner.macmess.org\/?p=1017"},"modified":"2024-03-18T03:54:54","modified_gmt":"2024-03-18T03:54:54","slug":"demon-attack-on-a-coco-3","status":"publish","type":"post","link":"https:\/\/tlindner.macmess.org\/?p=1017","title":{"rendered":"Demon Attack on a CoCo 3"},"content":{"rendered":"<p>Demon Attack cartridge (26-3099) has a small bug when running on a CoCo 3. The Programmer&#8217;s credit and version information is drawn using garbage rather than the correct data from the ROM.<\/p>\n<p><a href=\"http:\/\/tlindner.macmess.org\/wp-content\/uploads\/2024\/03\/capture1.png\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/tlindner.macmess.org\/wp-content\/uploads\/2024\/03\/capture1.png\" alt=\"capture1\" width=\"1920\" height=\"1080\" class=\"alignnone size-full wp-image-1018\" \/><\/a><\/p>\n<p>This has to do with setting bit 3 of $FF90 causing RAM to appear at $FExx. This does not happen on a CoCo 1 or 2.<\/p>\n<p><a href=\"http:\/\/tlindner.macmess.org\/wp-content\/uploads\/2024\/03\/Capture.png\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/tlindner.macmess.org\/wp-content\/uploads\/2024\/03\/Capture.png\" alt=\"Capture\" width=\"642\" height=\"512\" class=\"alignnone size-full wp-image-1019\" \/><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Demon Attack cartridge (26-3099) has a small bug when running on a CoCo 3. The Programmer&#8217;s credit and version information is drawn using garbage rather than the correct data from the ROM. This has to do with setting bit 3 &hellip; <a href=\"https:\/\/tlindner.macmess.org\/?p=1017\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1017","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/tlindner.macmess.org\/index.php?rest_route=\/wp\/v2\/posts\/1017","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tlindner.macmess.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tlindner.macmess.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tlindner.macmess.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tlindner.macmess.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1017"}],"version-history":[{"count":4,"href":"https:\/\/tlindner.macmess.org\/index.php?rest_route=\/wp\/v2\/posts\/1017\/revisions"}],"predecessor-version":[{"id":1023,"href":"https:\/\/tlindner.macmess.org\/index.php?rest_route=\/wp\/v2\/posts\/1017\/revisions\/1023"}],"wp:attachment":[{"href":"https:\/\/tlindner.macmess.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1017"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tlindner.macmess.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1017"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tlindner.macmess.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1017"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}