{"id":205,"date":"2007-07-01T02:47:45","date_gmt":"2007-07-01T00:47:45","guid":{"rendered":"http:\/\/crlam.free.fr\/wp\/?p=205"},"modified":"2023-03-20T10:25:47","modified_gmt":"2023-03-20T09:25:47","slug":"temps-reel-n4","status":"publish","type":"post","link":"https:\/\/www.fenarinarsa.com\/?p=205","title":{"rendered":"Temps R\u00e9el n\u00b04"},"content":{"rendered":"<p>Dans le prochain num\u00e9ro de Temps R\u00e9el diffus\u00e9 aujourd&rsquo;hui, vous aurez le plaisir de (re)voir Hardwired, de Crionics &#038; The Silents.<\/p>\n<p><center><a href=\"http:\/\/pouet.net\/prod.php?which=981\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"\/blog\/nolife\/tempsreel_hardwired.jpg\" border=\"0\"><\/p>\n<p>Hardwired sur pouet.net<\/a><\/center><br \/>\n<br \/>\n<em>Hardwired<\/em> est une des d\u00e9mos les plus l\u00e9gendaires de l&rsquo;Amiga. Il faut dire qu&rsquo;\u00e9tant donn\u00e9 qu&rsquo;elle date de 1991, quasiment tous les possesseurs de cette machine l&rsquo;ont vue, qu&rsquo;ils soient amateurs de d\u00e9mos ou pas ; ce qui n&rsquo;est pas forc\u00e9ment le cas des d\u00e9mos sorties plus tard.<br \/>\nHardwired se pr\u00e9sentait sous la forme de deux disquettes de 800ko. La premi\u00e8re se chargeait enti\u00e8rement en m\u00e9moire et il fallait changer de disque avant de lancer la d\u00e9mo : elle contenait en fait l&rsquo;intro qui a marqu\u00e9 tant les esprits (avec le cafard&#8230;). La deuxi\u00e8me disquette contenait la d\u00e9mo \u00e0 proprement parler, le chargement s&rsquo;effectuant en parall\u00e8le de certains effets &#8211; c&rsquo;est le principe de la trackmo. Hardwired fonctionne sur les Amiga \u00e0 base d&rsquo;ECS (Extended Chipset) comme l&rsquo;Amiga 500, mais il fallait au minimum 1Mo de RAM au lieu des 512ko d&rsquo;origine. Cette configuration de m\u00e9moire \u00e9tait tout de m\u00eame relativement fr\u00e9quente.<\/p>\n<p>Techniquement, certains effets pr\u00e9sents dans cette d\u00e9mo \u00e9taient du jamais vu \u00e0 l&rsquo;\u00e9poque. Mais bien plus que \u00e7a, c&rsquo;est la r\u00e9alisation de la d\u00e9mo dans sa globalit\u00e9 qui marquait, avec les encha\u00eenements d&rsquo;effets et le design sobre mais efficace, le tout enrob\u00e9 par la musique devenue culte de <a hred=\"http:\/\/www.jesperkyd.com\/\" target=\"_blank\" rel=\"noopener\">Jesper Kyd<\/a> (maintenant compositeur de musique de jeux vid\u00e9o). D&rsquo;ailleurs le module n&rsquo;a jamais \u00e9t\u00e9 ripp\u00e9 correctement puisque la partition de celui-ci est modifi\u00e9 en cours de d\u00e9mo&nbsp;: le morceau complet tient sur plus de patterns qu&rsquo;un module ne peut en contenir&#8230; et certains effets de vibrato n&rsquo;ont jamais \u00e9t\u00e9 vraiment bien rendus par les players de modules classiques.<\/p>\n<p>Avec Hardwired, <em>Temps R\u00e9el<\/em> va \u00e9galement prendre une autre dimension. En effet, il est tout \u00e0 fait possible de lancer cette d\u00e9mo sur un \u00e9mulateur; mais \u00e0 moins d&rsquo;utiliser des bidouilles assez al\u00e9atoires (forcer la carte graphique en 50Hz et avoir un \u00e9cran VGA cathodique), le rendu de l&rsquo;\u00e9mulateur ne sera jamais corrrectement fluide sur un PC. Pour l&rsquo;\u00e9mission, j&rsquo;apporte un soin tout particulier \u00e0 essayer de garder la fluidit\u00e9 des d\u00e9mos en minimisant au maximum le recours au transcodage : pour les d\u00e9mos Amiga, au lieu de les jouer telles quelles sur un \u00e9mulateur et de capturer la sortie VGA du PC, je les enregistre image par image puis j&rsquo;applique un traitement simple permettant de passer d&rsquo;une fr\u00e9quence de 50p (Amiga) \u00e0 du 50i (vid\u00e9o PAL). Autrement dit, le rendu qu&rsquo;il y aura dans Temps R\u00e9el sera quasi identique \u00e0 ce que l&rsquo;on avait sur un vrai Amiga&nbsp;!<br \/>\nBien s\u00fbr, je pourrais utiliser un vrai Amiga, mais plusieurs probl\u00e8mes viennent alors se rajouter : tout d&rsquo;abord, il faut un Amiga. Ensuite, il faut transf\u00e9rer la d\u00e9mo sur disquette Amiga. Puis, il faut brancher l&rsquo;Amiga sur le mat\u00e9riel vid\u00e9o broadcast&#8230; et c&rsquo;est l\u00e0 que les choses se corsent. En effet, le meilleur r\u00e9sultat est obtenu par les sorties RVB de l&rsquo;Amiga. De plus il faut un mat\u00e9riel capable de convertir du 288\/50p \u00e0 une fr\u00e9quence horizontale de 15kHz vers du PAL. Ce type de mat\u00e9riel s&rsquo;appelle un scan converter, et pour l&rsquo;instant je n&rsquo;en ai trouv\u00e9 aucun qui soit satisfaisant sur le march\u00e9 ! Vu que \u00e7a co\u00fbte plusieurs milliers d&rsquo;euros, je continue \u00e0 chercher : j&rsquo;en trouve de nouveaux r\u00e9guli\u00e8rement, mais il faut les tester&#8230; en attendant, hop, \u00e9mulateurs.<\/p>\n<p>Les \u00e9mulateurs posent d&rsquo;autres probl\u00e8mes, \u00e9videmment. Notamment WinUAE, qui malgr\u00e9 son niveau de d\u00e9veloppement est loin d&rsquo;\u00eatre exempt de bugs&#8230; je reviendrai plus tard sur WinUAE que je maudis r\u00e9guli\u00e8rement mais sachez que pour Hardwired, j&rsquo;ai du faire quelques points de montage sur l&rsquo;intro qui \u00e9tait compl\u00e8tement desynchro une fois captur\u00e9e. J&rsquo;ai aussi remarqu\u00e9 que je n&rsquo;avais jamais vu cette d\u00e9mo correctement synchrone avec la musique : une fois le d\u00e9but recal\u00e9, hop, tout le reste \u00e9tait parfait (contrairement \u00e0 ce qui arrive quand on la joue sur un Amiga). Comme quoi ! Vous noterez aussi que les chiottes en raytracing ne buggent pas : c&rsquo;est un bug qui vient d&rsquo;images disque d\u00e9fectueuses (je crois d&rsquo;ailleurs que c&rsquo;est celles qui sont sur Pou\u00ebt). Heureusement j&rsquo;avais un set d&rsquo;images qui fonctionne depuis longtemps&#8230; \ud83d\ude09<\/p>\n<p>Bonus 1&nbsp;: <a href=\"\/blog\/nolife\/globaltrash3_jesperkyd_complete.rar\">Global Trash 3 de Jesper Kyd<\/a>, version compl\u00e8te en 2 modules (ripp\u00e9 par mes soins)<br \/>\nBonus 2&nbsp;: <a href=\"\/blog\/nolife\/hardwired_d2_ok.zip\">Hardwired disk 2<\/a> (raytraced lokas ok)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dans le prochain num\u00e9ro de Temps R\u00e9el diffus\u00e9 aujourd&rsquo;hui, vous aurez le plaisir de (re)voir Hardwired, de Crionics &#038; The Silents. Hardwired sur pouet.net Hardwired est une des d\u00e9mos les plus l\u00e9gendaires de l&rsquo;Amiga. Il faut dire qu&rsquo;\u00e9tant donn\u00e9 qu&rsquo;elle date de 1991, quasiment tous les possesseurs de cette machine l&rsquo;ont vue, qu&rsquo;ils soient amateurs &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.fenarinarsa.com\/?p=205\"> <span class=\"screen-reader-text\">Temps R\u00e9el n\u00b04<\/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":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[2,3],"tags":[],"class_list":["post-205","post","type-post","status-publish","format-standard","hentry","category-nerditude","category-nolife"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Temps R\u00e9el n\u00b04 - 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=205\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Temps R\u00e9el n\u00b04 - Coredump\" \/>\n<meta property=\"og:description\" content=\"Dans le prochain num\u00e9ro de Temps R\u00e9el diffus\u00e9 aujourd&rsquo;hui, vous aurez le plaisir de (re)voir Hardwired, de Crionics &#038; The Silents. Hardwired sur pouet.net Hardwired est une des d\u00e9mos les plus l\u00e9gendaires de l&rsquo;Amiga. Il faut dire qu&rsquo;\u00e9tant donn\u00e9 qu&rsquo;elle date de 1991, quasiment tous les possesseurs de cette machine l&rsquo;ont vue, qu&rsquo;ils soient amateurs &hellip; Temps R\u00e9el n\u00b04 Lire la suite\u00a0\u00bb\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fenarinarsa.com\/?p=205\" \/>\n<meta property=\"og:site_name\" content=\"Coredump\" \/>\n<meta property=\"article:published_time\" content=\"2007-07-01T00:47:45+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-03-20T09:25:47+00:00\" \/>\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=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.fenarinarsa.com\\\/?p=205#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fenarinarsa.com\\\/?p=205\"},\"author\":{\"name\":\"Cyril Lambin\",\"@id\":\"https:\\\/\\\/www.fenarinarsa.com\\\/#\\\/schema\\\/person\\\/1a8e08d4737d558d51bc3746243d97c8\"},\"headline\":\"Temps R\u00e9el n\u00b04\",\"datePublished\":\"2007-07-01T00:47:45+00:00\",\"dateModified\":\"2023-03-20T09:25:47+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.fenarinarsa.com\\\/?p=205\"},\"wordCount\":808,\"articleSection\":[\"Nerditude\",\"Nolife\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.fenarinarsa.com\\\/?p=205\",\"url\":\"https:\\\/\\\/www.fenarinarsa.com\\\/?p=205\",\"name\":\"Temps R\u00e9el n\u00b04 - Coredump\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fenarinarsa.com\\\/#website\"},\"datePublished\":\"2007-07-01T00:47:45+00:00\",\"dateModified\":\"2023-03-20T09:25:47+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/www.fenarinarsa.com\\\/#\\\/schema\\\/person\\\/1a8e08d4737d558d51bc3746243d97c8\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.fenarinarsa.com\\\/?p=205#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.fenarinarsa.com\\\/?p=205\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.fenarinarsa.com\\\/?p=205#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\\\/\\\/www.fenarinarsa.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Temps R\u00e9el n\u00b04\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.fenarinarsa.com\\\/#website\",\"url\":\"https:\\\/\\\/www.fenarinarsa.com\\\/\",\"name\":\"Coredump\",\"description\":\"Le blog de Fenarinarsa, le pays du bonheur et des oiseaux qui font cui-cui.\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.fenarinarsa.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.fenarinarsa.com\\\/#\\\/schema\\\/person\\\/1a8e08d4737d558d51bc3746243d97c8\",\"name\":\"Cyril Lambin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/c3c1a506ae7c6720c92de38fcb90b4a4cfd9210af4f94de3604bb07987384f5d?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/c3c1a506ae7c6720c92de38fcb90b4a4cfd9210af4f94de3604bb07987384f5d?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/c3c1a506ae7c6720c92de38fcb90b4a4cfd9210af4f94de3604bb07987384f5d?s=96&d=mm&r=g\",\"caption\":\"Cyril Lambin\"},\"sameAs\":[\"https:\\\/\\\/fenarinarsa.com\"],\"url\":\"https:\\\/\\\/www.fenarinarsa.com\\\/?author=2\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Temps R\u00e9el n\u00b04 - Coredump","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.fenarinarsa.com\/?p=205","og_locale":"fr_FR","og_type":"article","og_title":"Temps R\u00e9el n\u00b04 - Coredump","og_description":"Dans le prochain num\u00e9ro de Temps R\u00e9el diffus\u00e9 aujourd&rsquo;hui, vous aurez le plaisir de (re)voir Hardwired, de Crionics &#038; The Silents. 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