{"id":1440,"date":"2020-05-04T19:57:57","date_gmt":"2020-05-04T18:57:57","guid":{"rendered":"http:\/\/www.fenarinarsa.com\/?p=1440"},"modified":"2023-03-20T10:25:24","modified_gmt":"2023-03-20T09:25:24","slug":"les-modes-video-chelous-de-lapple-ii","status":"publish","type":"post","link":"https:\/\/www.fenarinarsa.com\/?p=1440","title":{"rendered":"Modes vid\u00e9o chelous de l&#39;Apple II"},"content":{"rendered":"\n<p>Suite \u00e0 mon article sur les cartes<a href=\"https:\/\/www.fenarinarsa.com\/?p=1370\"> Chat Mauve sur Apple II<\/a>, Grouik\/FT et moi avons fait des tests sur nos Apple II respectifs afin de coincer les \u00e9mulateurs qui ne g\u00e8reraient pas correctement certains modes.<\/p>\n\n\n\n<p>Du coup, j&rsquo;ai fait de nouveau des recherches notamment en relisant l&rsquo;excellent <a href=\"https:\/\/mirrors.apple2.org.za\/Apple%20II%20Documentation%20Project\/Books\/\">Understanding the Apple IIe<\/a> de Jim Sather.<\/p>\n\n\n\n<p>Ce bouquin contient absolument tout, et notamment sur la g\u00e9n\u00e9ration du signal vid\u00e9o il y a des dizaines de d\u00e9tails l\u00e2ch\u00e9s au gr\u00e9 des pages qui, une fois compris, permettent de comprendre les timings des diff\u00e9rents signaux. C&rsquo;est par exemple en partie gr\u00e2ce \u00e0 ce qu&rsquo;on a trouv\u00e9 dans ce livre que Grouik a pu r\u00e9aliser les d\u00e9mos <a href=\"http:\/\/fr3nch.t0uch.free.fr\/MADEF\/MADEF.html\">Mad Effect<\/a>, <a href=\"http:\/\/fr3nch.t0uch.free.fr\/MAD2\/MAD2.html\">Mad Effect #2<\/a> ou <a href=\"http:\/\/fr3nch.t0uch.free.fr\/MAD3\/MAD3.html\">Mad Effect #3<\/a>.<\/p>\n\n\n\n<p>Voici les quelques petites choses amusantes qu&rsquo;on a pu retrouver dans ce livre. La plupart ne sont pas nouvelles, mais finalement tr\u00e8s peu connues.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_1 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.fenarinarsa.com\/?p=1440\/#Mixer_texte_en_80_colonnes_et_GRHGR\" >Mixer texte en 80 colonnes et GR\/HGR<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.fenarinarsa.com\/?p=1440\/#Le_mode_GR_chelou\" >Le mode GR chelou<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.fenarinarsa.com\/?p=1440\/#Les_features_cachees_du_HGR\" >Les features cach\u00e9es du HGR<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.fenarinarsa.com\/?p=1440\/#Les_modes_DHGR_des_cartes_RGB_Apple_Video-7_Chat_Mauve_EVEFelineIIc\" >Les modes DHGR des cartes RGB Apple Video-7 &amp; Chat Mauve EVE\/F\u00e9line\/IIc<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.fenarinarsa.com\/?p=1440\/#DHGR_BW560_560%C3%97192_monochrome\" >DHGR BW560 (560&#215;192 monochrome)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.fenarinarsa.com\/?p=1440\/#DHGR_COL140_140%C3%97192_couleur\" >DHGR COL140 (140&#215;192 couleur)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.fenarinarsa.com\/?p=1440\/#DHGR_COL140_mixed_140%C3%97192_couleur_et_560%C3%97192_monochrome\" >DHGR COL140 mixed (140&#215;192 couleur et 560&#215;192 monochrome)<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.fenarinarsa.com\/?p=1440\/#Les_modes_de_la_carte_EVE\" >Les modes de la carte EVE<\/a><\/li><\/ul><\/nav><\/div>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mixer_texte_en_80_colonnes_et_GRHGR\"><\/span>Mixer texte en 80 colonnes et GR\/HGR<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Normalement, le texte en 80 colonnes n&rsquo;est sens\u00e9 fonctionner que lorsque la double r\u00e9solution est active, ce qui active les modes DGR ou DHGR.<\/p>\n\n\n\n<p>Enfin c&rsquo;est ce que je croyais, mais en r\u00e9alit\u00e9 il n&rsquo;en est rien, la double r\u00e9solution texte est s\u00e9par\u00e9e de la double r\u00e9solution graphique. Cependant si on active uniquement la double r\u00e9solution texte, l&rsquo;acc\u00e8s \u00e0 la m\u00e9moire AUX n&rsquo;est pas actif et donc seule une colonne sur deux est utilis\u00e9e.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">LDA $C050   !TEXT\nLDA $C053   MIXED\nLDA $C056   !HR\nLDA $C05F   AN3 (single-res graphics timing)\nSTA $C00D   80COL (double-res text)<\/pre>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/cdn.discordapp.com\/attachments\/676734763427561480\/679789750441607188\/unknown.png\" alt=\"https:\/\/cdn.discordapp.com\/attachments\/676734763427561480\/679789750441607188\/unknown.png\"\/><figcaption>C&rsquo;est pas utile mais c&rsquo;est possible.<\/figcaption><\/figure><\/div>\n\n\n\n<p>\u00c0 noter qu&rsquo;il est (apparemment ?) possible de mixer du GR et du texte 80 colonnes, en tout cas la disquette de d\u00e9monstration Video-7 semble activer un mode semblable.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Le_mode_GR_chelou\"><\/span>Le mode GR chelou<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>En basse d\u00e9finition GR, lorsqu&rsquo;on d\u00e9sactive le softswitch AN3, un d\u00e9lai est introduit dans le d\u00e9codage vid\u00e9o ce qui g\u00e9n\u00e8re des blocs de pixels de taille diff\u00e9rente en fonction de leur valeur. Le nombre de couleurs est \u00e9galement r\u00e9duit.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"> LDA $C05E   !AN3 <\/pre>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/cdn.discordapp.com\/attachments\/676734763427561480\/679798631926071322\/unknown.png\" alt=\"https:\/\/cdn.discordapp.com\/attachments\/676734763427561480\/679798631926071322\/unknown.png\"\/><figcaption>GR Normal<\/figcaption><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/cdn.discordapp.com\/attachments\/676734763427561480\/679798719343886352\/unknown.png\" alt=\"https:\/\/cdn.discordapp.com\/attachments\/676734763427561480\/679798719343886352\/unknown.png\"\/><figcaption>GR Chelou<\/figcaption><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Les_features_cachees_du_HGR\"><\/span>Les features cach\u00e9es du HGR<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Le m\u00eame softswitch AN3 permet de changer l&rsquo;interpr\u00e9tation du HGR.<\/p>\n\n\n\n<p>Par d\u00e9faut AN3 est activ\u00e9 et les couleurs sont interpr\u00e9t\u00e9es normalement.<\/p>\n\n\n\n<p>En d\u00e9sactivant AN3 lorsqu&rsquo;on est en HGR, le rendu va \u00eatre diff\u00e9rent en fonction de la configuration de l&rsquo;Apple II.<\/p>\n\n\n\n<p>En composite : l&rsquo;interpr\u00e9tation du bit 7 passe \u00e0 1. Comme c&rsquo;est le bit qui d\u00e9finit le groupe de couleurs des 7 bits restants, cela inverse tous les groupes de couleurs sur l&rsquo;\u00e9cran.<\/p>\n\n\n\n<p>En RGB : le mode HGR passe en 280&#215;192 monochrome.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">LDA $C05E   !AN3<\/pre>\n\n\n\n<p>Cette astuce a \u00e9t\u00e9 utilis\u00e9e dans <a href=\"http:\/\/fr3nch.t0uch.free.fr\/DD\/DD.html\">Digidream<\/a>, ce qui permet d&rsquo;avoir 4 couleurs diff\u00e9rentes de logo sur Apple IIe juste avec deux versions de la m\u00eame image (en HGR1 et HGR2 + activation r\u00e9guli\u00e8re du switch AN3).<\/p>\n\n\n\n<figure class=\"wp-block-embed-youtube aligncenter wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe loading=\"lazy\" title=\"Digidream\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/FIbJkYVO6Kk?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><\/div>\n<\/div><figcaption>Le CPU \u00e9tant utilis\u00e9 \u00e0 ~100% pour la musique, les changements de couleurs sont activ\u00e9s uniquement par des switchs.<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Les_modes_DHGR_des_cartes_RGB_Apple_Video-7_Chat_Mauve_EVEFelineIIc\"><\/span>Les modes DHGR des cartes RGB Apple Video-7 &amp; Chat Mauve EVE\/F\u00e9line\/IIc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>On ne trouve pour ainsi dire quasiment aucune documentation sur la fa\u00e7on d&rsquo;activer correctement les modes DHGR des cartes RGB Video-7, EVE, F\u00e9line et IIc.<\/p>\n\n\n\n<p>L\u00e0 aussi j&rsquo;ai longtemps cru que seul un ou deux modes \u00e9taient disponibles, mais en r\u00e9alit\u00e9 il existe trois modes : noir et blanc, couleur et mixte.<\/p>\n\n\n\n<p>Ces modes existent aussi sur les cartes RGB Apple vendues aux USA (donc la carte Video-7 dont il existe <a href=\"https:\/\/mirrors.apple2.org.za\/ftp.apple.asimov.net\/images\/hardware\/video\/\">une disquette de d\u00e9monstration<\/a>, tr\u00e8s pratique pour tester plein de modes alternatifs). Les rares bribes de documentation que l&rsquo;on trouve ne sont pas tr\u00e8s explicites sur la fa\u00e7on de les activer.<\/p>\n\n\n\n<p>Si j&rsquo;ai bien compris, autant pour la carte EVE il est possible de la programmer directement via des registres int\u00e9gr\u00e9s \u00e0 la carte, autant pour les autres cela n&rsquo;\u00e9tait pas possible car elles n&rsquo;ont pas de registre propre.<\/p>\n\n\n\n<p>Il existe cependant une routine dans l&rsquo;API Arlequin (du Chat Mauve) qui permet de programmer correctement tous les modes DHGR &#8211; y compris sur la EVE, pour les modes support\u00e9s. (trouv\u00e9 sur <a href=\"http:\/\/boutillon.free.fr\/Underground\/Anim_Et_Graph\/Extasie_Chat_Mauve_Reloaded\/Extasie_Chat_Mauve_Reloaded.html\">le site de Deckard<\/a>) :<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"http:\/\/boutillon.free.fr\/Underground\/Anim_Et_Graph\/Extasie_Chat_Mauve_Reloaded\/Scans\/Manuel_Arlequin_p225.jpg\" alt=\"http:\/\/boutillon.free.fr\/Underground\/Anim_Et_Graph\/Extasie_Chat_Mauve_Reloaded\/Scans\/Manuel_Arlequin_p225.jpg\"\/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"http:\/\/boutillon.free.fr\/Underground\/Anim_Et_Graph\/Extasie_Chat_Mauve_Reloaded\/Scans\/Manuel_Arlequin_p226.jpg\" alt=\"http:\/\/boutillon.free.fr\/Underground\/Anim_Et_Graph\/Extasie_Chat_Mauve_Reloaded\/Scans\/Manuel_Arlequin_p226.jpg\"\/><\/figure><\/div>\n\n\n\n<p>En d\u00e9roulant le code pour les cartes F\u00e9line et IIc, on se rend compte qu&rsquo;ils utilisent le soft-switch AN3 et 80COL pour programmer le mode de la carte. Ces cartes ont un registre sur 2 bits qui se met \u00e0 jour en fonction de la valeur de 80COL qu&rsquo;on envoie gr\u00e2ce au softswitch AN3.<\/p>\n\n\n\n<p>Comme je pense qu&rsquo;il s&rsquo;agit d&rsquo;un registre qui se remplit en FIFO, \u00e7a veut dire qu&rsquo;il faut syst\u00e9matiquement programmer correctement les 2 bits dans le bon ordre. Il est peut \u00eatre possible de simplifier la programmation mais dans mes tests \u00e7a ne marchait plus syst\u00e9matiquement ensuite.<\/p>\n\n\n\n<p>La routine ci-dessus est g\u00e9n\u00e9rale (et tr\u00e8s bonne), mais voici une version compact\u00e9e pour les 3 modes DHGR, utilis\u00e9e dans le slideshow du logiciel EXTASIE. Tout fonctionne \u00e9galement sous AppleWin en mode monochrome et semble compatible Apple RGB.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DHGR_BW560_560%C3%97192_monochrome\"><\/span>DHGR BW560 (560&#215;192 monochrome)<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<pre class=\"wp-block-preformatted\">LDA $C050   !TEXT\nLDA $C057   HR\nLDA $C052   !MIXED\nSTA $C00C   Choix d'une valeur pour 80COL\nSTA $C05E \nSTA $C05F   Enregistrement de \/80COL\nSTA $C00C   Choix d'une valeur pour 80COL \nSTA $C05E \nSTA $C05F   Enregistrement de \/80COL\nSTA $C05E   Activation DHGR\nSTA $C00D   Activation 80COL<\/pre>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"710\" height=\"529\" src=\"https:\/\/www.fenarinarsa.com\/wp-content\/image-7.png\" alt=\"\" class=\"wp-image-1450\" srcset=\"https:\/\/www.fenarinarsa.com\/wp-content\/image-7.png 710w, https:\/\/www.fenarinarsa.com\/wp-content\/image-7-300x224.png 300w\" sizes=\"auto, (max-width: 710px) 100vw, 710px\" \/><figcaption>DHGR 560BW (Apple IIc) <\/figcaption><\/figure><\/div>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DHGR_COL140_140%C3%97192_couleur\"><\/span>DHGR COL140 (140&#215;192 couleur)<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<pre class=\"wp-block-preformatted\">LDA $C050   !TEXT\nLDA $C057   HR\nLDA $C052   !MIXED\nSTA $C00D   Choix d'une valeur pour 80COL\nSTA $C05E \nSTA $C05F   Enregistrement de \/80COL\nSTA $C00D   Choix d'une valeur pour 80COL \nSTA $C05E \nSTA $C05F   Enregistrement de \/80COL\nSTA $C05E   Activation DHGR\nSTA $C00D   Activation 80COL  (inutile en r\u00e9alit\u00e9)<\/pre>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"707\" height=\"531\" src=\"https:\/\/www.fenarinarsa.com\/wp-content\/image-8.png\" alt=\"\" class=\"wp-image-1451\" srcset=\"https:\/\/www.fenarinarsa.com\/wp-content\/image-8.png 707w, https:\/\/www.fenarinarsa.com\/wp-content\/image-8-300x225.png 300w\" sizes=\"auto, (max-width: 707px) 100vw, 707px\" \/><figcaption>DHGR COL140 (Apple IIc) <\/figcaption><\/figure><\/div>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DHGR_COL140_mixed_140%C3%97192_couleur_et_560%C3%97192_monochrome\"><\/span>DHGR COL140 mixed (140&#215;192 couleur et 560&#215;192 monochrome)<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<pre class=\"wp-block-preformatted\">LDA $C050   !TEXT\nLDA $C057   HR\nLDA $C052   !MIXED\nSTA $C00C   Choix d'une valeur pour 80COL\nSTA $C05E \nSTA $C05F   Enregistrement de \/80COL\nSTA $C00D   Choix d'une valeur pour 80COL \nSTA $C05E \nSTA $C05F   Enregistrement de \/80COL\nSTA $C05E   Activation DHGR\nSTA $C00D   Activation 80COL  (inutile en r\u00e9alit\u00e9) <\/pre>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"707\" height=\"530\" src=\"https:\/\/www.fenarinarsa.com\/wp-content\/image-9.png\" alt=\"\" class=\"wp-image-1452\" srcset=\"https:\/\/www.fenarinarsa.com\/wp-content\/image-9.png 707w, https:\/\/www.fenarinarsa.com\/wp-content\/image-9-300x225.png 300w\" sizes=\"auto, (max-width: 707px) 100vw, 707px\" \/><figcaption>DHGR COL140 mixte (Apple IIc)<\/figcaption><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Les_modes_de_la_carte_EVE\"><\/span>Les modes de la carte EVE<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Quasiment tous les modes de la carte EVE (<a href=\"https:\/\/www.fenarinarsa.com\/?p=1370\">d\u00e9crits ici<\/a>) ne sont pas document\u00e9s.<\/p>\n\n\n\n<p>Le Chat Mauve proposait en effet une API qui permettait de les configurer indirectement. Malheureusement je n&rsquo;ai ni Apple IIe ni EVE pour faire des tests, donc peut-\u00eatre un jour ?<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"587\" height=\"445\" src=\"https:\/\/www.fenarinarsa.com\/wp-content\/image.png\" alt=\"\" class=\"wp-image-1381\" srcset=\"https:\/\/www.fenarinarsa.com\/wp-content\/image.png 587w, https:\/\/www.fenarinarsa.com\/wp-content\/image-300x227.png 300w\" sizes=\"auto, (max-width: 587px) 100vw, 587px\" \/><figcaption>La EVE dispose d&rsquo;un charset reconfigurable en plus d&rsquo;un mode HGR 280&#215;192 \u00ab\u00a0coloris\u00e9\u00a0\u00bb.<\/figcaption><\/figure><\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Suite \u00e0 mon article sur les cartes Chat Mauve sur Apple II, Grouik\/FT et moi avons fait des tests sur nos Apple II respectifs afin de coincer les \u00e9mulateurs qui ne g\u00e8reraient pas correctement certains modes. Du coup, j&rsquo;ai fait de nouveau des recherches notamment en relisant l&rsquo;excellent Understanding the Apple IIe de Jim Sather. &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.fenarinarsa.com\/?p=1440\"> <span class=\"screen-reader-text\">Modes vid\u00e9o chelous de l&#39;Apple II<\/span> Lire la suite\u00a0\u00bb<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":[],"rop_publish_now_history":[],"rop_publish_now_status":"pending","site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[12],"tags":[],"class_list":["post-1440","post","type-post","status-publish","format-standard","hentry","category-apple-ii-2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Modes vid\u00e9o chelous de l&#039;Apple II - Coredump<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.fenarinarsa.com\/?p=1440\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Modes vid\u00e9o chelous de l&#039;Apple II - Coredump\" \/>\n<meta property=\"og:description\" content=\"Suite \u00e0 mon article sur les cartes Chat Mauve sur Apple II, Grouik\/FT et moi avons fait des tests sur nos Apple II respectifs afin de coincer les \u00e9mulateurs qui ne g\u00e8reraient pas correctement certains modes. Du coup, j&rsquo;ai fait de nouveau des recherches notamment en relisant l&rsquo;excellent Understanding the Apple IIe de Jim Sather. &hellip; Modes vid\u00e9o chelous de l&#039;Apple II Lire la suite\u00a0\u00bb\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fenarinarsa.com\/?p=1440\" \/>\n<meta property=\"og:site_name\" content=\"Coredump\" \/>\n<meta property=\"article:published_time\" content=\"2020-05-04T18:57:57+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-03-20T09:25:24+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.discordapp.com\/attachments\/676734763427561480\/679789750441607188\/unknown.png\" \/>\n<meta name=\"author\" content=\"Cyril Lambin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@fenarinarsa\" \/>\n<meta name=\"twitter:site\" content=\"@fenarinarsa\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Cyril Lambin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.fenarinarsa.com\/?p=1440#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.fenarinarsa.com\/?p=1440\"},\"author\":{\"name\":\"Cyril Lambin\",\"@id\":\"https:\/\/www.fenarinarsa.com\/#\/schema\/person\/80a26199aabcf306072d581606fb24e4\"},\"headline\":\"Modes vid\u00e9o chelous de l&#39;Apple II\",\"datePublished\":\"2020-05-04T18:57:57+00:00\",\"dateModified\":\"2023-03-20T09:25:24+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.fenarinarsa.com\/?p=1440\"},\"wordCount\":972,\"image\":{\"@id\":\"https:\/\/www.fenarinarsa.com\/?p=1440#primaryimage\"},\"thumbnailUrl\":\"https:\/\/cdn.discordapp.com\/attachments\/676734763427561480\/679789750441607188\/unknown.png\",\"articleSection\":[\"Apple II\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.fenarinarsa.com\/?p=1440\",\"url\":\"https:\/\/www.fenarinarsa.com\/?p=1440\",\"name\":\"Modes vid\u00e9o chelous de l&#39;Apple II - 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