{"id":19184,"date":"2026-10-10T12:23:10","date_gmt":"2026-10-10T12:23:10","guid":{"rendered":"https:\/\/www.fambach.net\/preview-graphics-gremlin-hdmi\/"},"modified":"2026-10-11T12:10:17","modified_gmt":"2026-10-11T12:10:17","slug":"preview-graphics-gremlin-hdmi","status":"publish","type":"post","link":"https:\/\/www.fambach.net\/en\/preview-graphics-gremlin-hdmi\/","title":{"rendered":"Preview \u2013 Graphics Gremlin HDMI"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_88 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\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 Contents\"><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' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.fambach.net\/en\/preview-ossc\/#Beschreibung\" >Description<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.fambach.net\/en\/preview-ossc\/#Verwandte_Beitrage\" >Related Posts<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.fambach.net\/en\/preview-ossc\/#Quellen\" >Sources<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.fambach.net\/en\/preview-ossc\/#Logbuch\" >Logbook<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">Graphics Gremlin HDMI ist ein Umbau des Graphics Gremlin, einer FPGA-basierten MDA\/CGA-Karte, mit zus\u00e4tzlichem HDMI-Ausgang \u00fcber einen TI TFP410; daf\u00fcr entf\u00e4llt der RGBI-Anschluss. HDMI l\u00e4uft unabh\u00e4ngig von VGA und Composite, sodass z. B. der interne Monitor des IBM 5155 und ein externer Monitor gleichzeitig bedient werden. Die Platine wurde daf\u00fcr von zwei auf vier Lagen umgestellt, am HDMI-Ausgang ist die MDA-Farbe w\u00e4hlbar und es gibt zus\u00e4tzliche CGA-Modi mit 60 und 70 Hz. Getestet wurde sie unter anderem mit 8088MPH und Area5150, eine Kleinserie ist produziert. Ein ausf\u00fchrlicher Beitrag ist in Arbeit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Was ist ein Preview?<\/strong> Hier zeige ich kurz Hardware, die ich entdeckt, aber noch nicht genauer angeschaut habe. So behalte ich den \u00dcberblick und ihr seht schon vorab, was kommt. Sobald ich dazu komme, ersetzt ein ausf\u00fchrlicher Beitrag das Preview. Was zuerst dran ist, bestimmen eure Kommentare oder meine Lust und Zeit ;).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"beschreibung\"><span class=\"ez-toc-section\" id=\"Beschreibung\"><\/span>Description<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Platine von 2 auf 4 Lagen umgestellt<\/li>\n\n\n\n<li>W\u00e4hlbare MDA-Farbe am HDMI-Ausgang (gr\u00fcn, gelb, wei\u00df, rot)<\/li>\n\n\n\n<li>Zus\u00e4tzliche CGA-Modi: 70 Hz und 60 Hz mit Overscan<\/li>\n\n\n\n<li>CGA-Farbe 6 (Braun) in neuer Revision korrigiert<\/li>\n\n\n\n<li>\u00dcbernimmt die Ungenauigkeiten des Originals bei Demos wie 8088MPH<\/li>\n\n\n\n<li>Standards: MDA, CGA<\/li>\n\n\n\n<li>Bus: ISA 8 Bit<\/li>\n\n\n\n<li>Basis: Lattice iCE40HX4K, TI TFP410 (DVI-Sender), 512 KiB SRAM, 8-Mbit-SPI-Flash, 3-A-Regler<\/li>\n\n\n\n<li>Ausgang: HDMI (DVI-Signal), VGA DE-15, Composite (RCA); RGBI-DE-9 entf\u00e4llt<\/li>\n\n\n\n<li>Status: fertig, getestet (IBM 5155, 8088MPH, Area5150); Kleinserie produziert<\/li>\n\n\n\n<li>Bezug: modifizierte PCB und Verilog auf GitHub mit Wiki zu Fertigung\/Flashen; Kauf auf Anfrage per E-Mail beim Autor<\/li>\n\n\n\n<li>Lizenz Hardware: nicht angegeben (keine LICENSE-Datei; Ableitung des CC-BY-SA-4.0-Originals)<\/li>\n\n\n\n<li>Lizenz Software: nicht angegeben (keine LICENSE-Datei; Verilog abgeleitet vom CC-BY-SA-4.0-Original)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a href=\"https:\/\/github.com\/yeokm1\/graphics-gremlin-hdmi\" target=\"_blank\" rel=\"noreferrer noopener\" class=\"ub-content-link__anchor\">Graphics Gremlin HDMI \u2013 Projektseite<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"verwandte-beitraege\"><span class=\"ez-toc-section\" id=\"Verwandte_Beitrage\"><\/span>Related Posts<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<div class=\"display-posts-listing\">\n<div class=\"listing-item\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/preview-amicube-f1200\/\">Preview \u2013 AmiCube F1200<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/div>\n<div class=\"listing-item\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/preview-unamiga\/\">Preview \u2013 UnAmiga<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/div>\n<div class=\"listing-item\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/preview-vampire-v4\/\">Preview \u2013 Vampire V4<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/div>\n<div class=\"listing-item\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/preview-mister-fpga\/\">Preview \u2013 MiSTer FPGA<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/div>\n<div class=\"listing-item\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/preview-minimig\/\">Preview \u2013 Minimig<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/div>\n<div class=\"listing-item\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/preview-tang-nano-20k\/\">Preview \u2013 Tang Nano 20K<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/div>\n<div class=\"listing-item\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/preview-pcjr-tandymod\/\">Preview \u2013 PCjr TandyMod<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/div>\n<div class=\"listing-item\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/preview-ega-mono-composite\/\">Preview \u2013 EGA-Mono-Composite-Converter<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/div>\n<div class=\"listing-item\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/preview-gbs-control\/\">Preview \u2013 GBS-Control<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/div>\n<div class=\"listing-item\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/preview-ossc\/\">Preview \u2013 OSSC (Open Source Scan Converter)<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"quellen\"><span class=\"ez-toc-section\" id=\"Quellen\"><\/span>Sources<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n\n<div class=\"wp-block-table wp-block-sources-table\" style=\"margin-top: 30px; font-family: sans-serif;\"><ul class=\"wpls-sources-list\" style=\"margin:0; padding-left:20px;\"><li style=\"margin-bottom:5px;\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a href=\"https:\/\/commons.wikimedia.org\/wiki\/File:OSSC-Open-Source-Scan-Converter-FL.jpg\" target=\"_blank\" rel=\"noopener\" class=\"ub-content-link__anchor\">Beitragsbild OSSC (Open Source Scan Converter)<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span> <button type=\"button\" class=\"wpls-jump-button\" data-wpls-jump-url=\"https:\/\/commons.wikimedia.org\/wiki\/File:OSSC-Open-Source-Scan-Converter-FL.jpg\" title=\"Zum Block im Editor springen\">\u21bb<\/button><\/li><li style=\"margin-bottom:5px;\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a href=\"https:\/\/github.com\/marqs85\/ossc\/blob\/master\/LICENSE\" target=\"_blank\" rel=\"noopener\" class=\"ub-content-link__anchor\">OSSC (Open Source Scan Converter) \u2013 Lizenz<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span> <button type=\"button\" class=\"wpls-jump-button\" data-wpls-jump-url=\"https:\/\/github.com\/marqs85\/ossc\/blob\/master\/LICENSE\" title=\"Zum Block im Editor springen\">\u21bb<\/button><\/li><li style=\"margin-bottom:5px;\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a href=\"https:\/\/github.com\/marqs85\/ossc\" target=\"_blank\" rel=\"noopener\" class=\"ub-content-link__anchor\">OSSC (Open Source Scan Converter) \u2013 Projektseite<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span> <button type=\"button\" class=\"wpls-jump-button\" data-wpls-jump-url=\"https:\/\/github.com\/marqs85\/ossc\" title=\"Zum Block im Editor springen\">\u21bb<\/button><\/li><li style=\"margin-bottom:5px;\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a href=\"http:\/\/junkerhq.net\/xrgb\/index.php?title=OSSC\" target=\"_blank\" rel=\"noopener\" class=\"ub-content-link__anchor\">OSSC-Wiki<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span> <button type=\"button\" class=\"wpls-jump-button\" data-wpls-jump-url=\"http:\/\/junkerhq.net\/xrgb\/index.php?title=OSSC\" title=\"Zum Block im Editor springen\">\u21bb<\/button><\/li><li style=\"margin-bottom:5px;\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a href=\"https:\/\/github.com\/marqs85\/ossc_pcb\" target=\"_blank\" rel=\"noopener\" class=\"ub-content-link__anchor\">PCB-Repo<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span> <button type=\"button\" class=\"wpls-jump-button\" data-wpls-jump-url=\"https:\/\/github.com\/marqs85\/ossc_pcb\" title=\"Zum Block im Editor springen\">\u21bb<\/button><\/li><\/ul><\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"logbuch\"><span class=\"ez-toc-section\" id=\"Logbuch\"><\/span>Logbook<span class=\"ez-toc-section-end\"><\/span><\/h2>","protected":false},"excerpt":{"rendered":"<p>Graphics Gremlin HDMI ist ein Umbau des Graphics Gremlin, einer FPGA-basierten MDA\/CGA-Karte, mit zus\u00e4tzlichem HDMI-Ausgang \u00fcber einen TI TFP410; daf\u00fcr entf\u00e4llt der RGBI-Anschluss. HDMI l\u00e4uft unabh\u00e4ngig von VGA und Composite, sodass z. B. der interne Monitor des IBM 5155 und ein externer Monitor gleichzeitig bedient werden. Die Platine wurde daf\u00fcr von zwei auf vier Lagen &#8230;<\/p>\n<a href=\"https:\/\/www.fambach.net\/en\/preview-ossc\/\" class=\"read-more-link\">Carry on reading <span class=\"screen-reader-text\">\"Preview \u2013 OSSC (Open Source Scan Converter)\"<\/span> <span class=\"meta-nav\">\u2192<\/span><\/a>","protected":false},"author":1,"featured_media":19183,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[625],"tags":[811],"class_list":["post-19184","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-preview","tag-retro","penguin-post","penguin-post-not-sticky"],"modified_by":null,"_links":{"self":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts\/19184","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/comments?post=19184"}],"version-history":[{"count":1,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts\/19184\/revisions"}],"predecessor-version":[{"id":19433,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts\/19184\/revisions\/19433"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/media\/19183"}],"wp:attachment":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/media?parent=19184"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/categories?post=19184"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/tags?post=19184"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}