{"id":1967,"date":"2024-07-03T11:04:34","date_gmt":"2024-07-03T11:04:34","guid":{"rendered":"https:\/\/research.swissdigitization.ch\/?p=1967"},"modified":"2024-07-03T11:07:03","modified_gmt":"2024-07-03T11:07:03","slug":"der-amiga-blitter-veraendern-tut-sich-immer-was","status":"publish","type":"post","link":"https:\/\/research.swissdigitization.ch\/?p=1967","title":{"rendered":"Der Amiga-Blitter &#8211; ver\u00e4ndern tut sich immer was"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"308\" height=\"224\" src=\"https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-02-um-10.09.17.png\" alt=\"\" class=\"wp-image-1970\" srcset=\"https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-02-um-10.09.17.png 308w, https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-02-um-10.09.17-300x218.png 300w\" sizes=\"auto, (max-width: 308px) 100vw, 308px\" \/><\/figure>\n\n\n\n<p>Blitter-Entwicklung in der \u00dcbersicht: <a href=\"https:\/\/en.wikipedia.org\/wiki\/Blitter\">https:\/\/en.wikipedia.org\/wiki\/Blitter<\/a>. Blitter als Spezialchip f\u00fcr BitmapOperationen sp\u00e4ter auch beim Amiga.<br><br>Der Blitter auf dem Amiga ist f\u00fcr die Programmierung schwierig, da er unscharf (Heisenberg) funktioniert. Er sagt nicht einfach: Wahr oder falsch. Error oder es geht was. Nein er liefert immer irgendwas als Output &#8211; egal wie unsinnig der Input etwa ist.<\/p>\n\n\n\n<!--more-->\n\n\n\n<p>Stimmt etwa der Pointer nicht &#8211; er geht statt ins ChipMemory ins SlowMemory des Amigas &#8211; dann stellen sich solche Fehler wie hier ein &#8211; unklar, unscharf, einfach irgendwas: <br><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"745\" src=\"https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-02-um-11.24.13-1024x745.png\" alt=\"\" class=\"wp-image-1971\" srcset=\"https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-02-um-11.24.13-1024x745.png 1024w, https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-02-um-11.24.13-300x218.png 300w, https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-02-um-11.24.13-768x559.png 768w, https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-02-um-11.24.13-1536x1118.png 1536w, https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-02-um-11.24.13-624x454.png 624w, https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-02-um-11.24.13.png 1874w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><br><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"417\" src=\"https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-01-um-12.23.32-1024x417.png\" alt=\"\" class=\"wp-image-1969\" srcset=\"https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-01-um-12.23.32-1024x417.png 1024w, https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-01-um-12.23.32-300x122.png 300w, https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-01-um-12.23.32-768x313.png 768w, https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-01-um-12.23.32-624x254.png 624w, https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-01-um-12.23.32.png 1512w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"622\" src=\"https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-02-um-14.06.24-1024x622.png\" alt=\"\" class=\"wp-image-1968\" srcset=\"https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-02-um-14.06.24-1024x622.png 1024w, https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-02-um-14.06.24-300x182.png 300w, https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-02-um-14.06.24-768x467.png 768w, https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-02-um-14.06.24-1536x933.png 1536w, https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-02-um-14.06.24-624x379.png 624w, https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-02-um-14.06.24.png 1896w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"410\" height=\"494\" src=\"https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-02-um-11.22.42.png\" alt=\"\" class=\"wp-image-1972\" srcset=\"https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-02-um-11.22.42.png 410w, https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-02-um-11.22.42-249x300.png 249w\" sizes=\"auto, (max-width: 410px) 100vw, 410px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"622\" src=\"https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-02-um-14.06.24-1-1024x622.png\" alt=\"\" class=\"wp-image-1973\" srcset=\"https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-02-um-14.06.24-1-1024x622.png 1024w, https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-02-um-14.06.24-1-300x182.png 300w, https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-02-um-14.06.24-1-768x467.png 768w, https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-02-um-14.06.24-1-1536x933.png 1536w, https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-02-um-14.06.24-1-624x379.png 624w, https:\/\/research.swissdigitization.ch\/wp-content\/uploads\/2024\/07\/Bildschirmfoto-2024-07-02-um-14.06.24-1.png 1896w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Und ja mir w\u00e4re ein hartes WhiteBlank als Ausgabe etwa lieber, da weiss ich: Irgendwas stimmt einfach nicht. So ist unklar ob einer der Parameter nicht stimmt wie ChannelSetup, Modulos, Skips etc. Es ist geradezu Blindflug mit Sehst\u00f6rungen. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Blitter-Entwicklung in der \u00dcbersicht: https:\/\/en.wikipedia.org\/wiki\/Blitter. Blitter als Spezialchip f\u00fcr BitmapOperationen sp\u00e4ter auch beim Amiga. Der Blitter auf dem Amiga ist f\u00fcr die Programmierung schwierig, da er unscharf (Heisenberg) funktioniert. Er sagt nicht einfach: Wahr oder falsch. Error oder es geht was. Nein er liefert immer irgendwas als Output &#8211; egal wie unsinnig der Input etwa [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1967","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/research.swissdigitization.ch\/index.php?rest_route=\/wp\/v2\/posts\/1967","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/research.swissdigitization.ch\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/research.swissdigitization.ch\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/research.swissdigitization.ch\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/research.swissdigitization.ch\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1967"}],"version-history":[{"count":4,"href":"https:\/\/research.swissdigitization.ch\/index.php?rest_route=\/wp\/v2\/posts\/1967\/revisions"}],"predecessor-version":[{"id":1977,"href":"https:\/\/research.swissdigitization.ch\/index.php?rest_route=\/wp\/v2\/posts\/1967\/revisions\/1977"}],"wp:attachment":[{"href":"https:\/\/research.swissdigitization.ch\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1967"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/research.swissdigitization.ch\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1967"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/research.swissdigitization.ch\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1967"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}