{"id":19236,"date":"2026-10-10T13:35:56","date_gmt":"2026-10-10T13:35:56","guid":{"rendered":"https:\/\/www.fambach.net\/preview-ttl-to-rgb\/"},"modified":"2026-10-10T13:35:56","modified_gmt":"2026-10-10T13:35:56","slug":"preview-ttl-to-rgb","status":"publish","type":"post","link":"https:\/\/www.fambach.net\/en\/preview-ttl-to-rgb\/","title":{"rendered":"Preview \u2013 TTL-to-RGB (hkzlab)"},"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-ttl-to-rgb\/#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-ttl-to-rgb\/#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-ttl-to-rgb\/#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-ttl-to-rgb\/#Logbuch\" >Logbook<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">Kleine Wandlerplatine, die TTL-Signale von MDA-, Hercules-, CGA- und EGA-Karten in analoges RGB \u00fcbersetzt. Erkennt MDA\/Hercules und hochaufl\u00f6sendes EGA anhand der Sync-Polarit\u00e4t und korrigiert das CGA-Braun. 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>Logik in einem GAL20V8<\/li>\n\n\n\n<li>EGA-Low-Res wahlweise mit 64-Farben-Palette<\/li>\n\n\n\n<li>Braucht einen Monitor f\u00fcr 15, 18 und 21 kHz<\/li>\n\n\n\n<li>Schwesterprojekt EGA-2-RGBS: EPROM-basierter Wandler (CC BY-SA 4.0)<\/li>\n\n\n\n<li>Standards: MDA, HGC, CGA, EGA<\/li>\n\n\n\n<li>Bus: extern (Konverter)<\/li>\n\n\n\n<li>Basis: GAL20V8 zwischen zwei \u201a244-Puffern<\/li>\n\n\n\n<li>Ausgang: analog RGB \u2013 ohne Frequenzwandlung (15\/18\/21 kHz)<\/li>\n\n\n\n<li>Status: getestet f\u00fcr CGA, EGA (low\/hi, 64 Farben), MDA; Hercules ungetestet<\/li>\n\n\n\n<li>Bezug: KiCad-Projekt auf GitHub<\/li>\n\n\n\n<li>Lizenz Hardware: offen, nicht-kommerziell: CC BY-NC-SA 4.0 (LICENSE-Datei)<\/li>\n\n\n\n<li>Lizenz Software: GAL-Logik im Repo, Lizenz laut LICENSE-Datei CC BY-NC-SA 4.0<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Passende Scaler: <span class=\"ub-content-link ub-content-link--unknown ub-content-link--status-after\"><a href=\"https:\/\/www.fambach.net\/en\/preview-ossc\/\" class=\"ub-content-link__anchor\">Preview \u2013 OSSC<\/a><span class=\"ub-status ub-status--unknown\" title=\"Link status: Unknown\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: Unknown<\/span><\/span><\/span> and <span class=\"ub-content-link ub-content-link--unknown ub-content-link--status-after\"><a href=\"https:\/\/www.fambach.net\/en\/preview-gbs-control\/\" class=\"ub-content-link__anchor\">Preview \u2013 GBS-Control<\/a><span class=\"ub-status ub-status--unknown\" title=\"Link status: Unknown\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: Unknown<\/span><\/span><\/span>.<\/p>\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\/hkzlab\/TTL-to-RGB\" target=\"_blank\" rel=\"noreferrer noopener\" class=\"ub-content-link__anchor\">TTL-to-RGB (hkzlab) \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<p class=\"wp-block-paragraph\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a href=\"https:\/\/github.com\/hkzlab\/TTL-to-RGB\/blob\/master\/LICENSE\" target=\"_blank\" rel=\"noreferrer noopener\" class=\"ub-content-link__anchor\">TTL-to-RGB (hkzlab) \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><\/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-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 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-ttl-to-rgb\/\">Preview \u2013 TTL-to-RGB (hkzlab)<\/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:\/\/github.com\/hkzlab\/EGA-2-RGBS\" target=\"_blank\" rel=\"noopener\" class=\"ub-content-link__anchor\">EGA-2-RGBS (hkzlab)<\/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\/hkzlab\/EGA-2-RGBS\" title=\"Zum Block im Editor springen\">\u21bb<\/button><\/li><li style=\"margin-bottom:5px;\"><span class=\"ub-content-link ub-content-link--unknown ub-content-link--status-after\"><a href=\"https:\/\/www.fambach.net\/en\/preview-gbs-control\/\" target=\"_blank\" rel=\"noopener\" class=\"ub-content-link__anchor\">Preview \u2013 GBS-Control<\/a><span class=\"ub-status ub-status--unknown\" title=\"Link status: Unknown\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: Unknown<\/span><\/span><\/span> <button type=\"button\" class=\"wpls-jump-button\" data-wpls-jump-url=\"https:\/\/www.fambach.net\/preview-gbs-control\/\" title=\"Zum Block im Editor springen\">\u21bb<\/button><\/li><li style=\"margin-bottom:5px;\"><span class=\"ub-content-link ub-content-link--unknown ub-content-link--status-after\"><a href=\"https:\/\/www.fambach.net\/en\/preview-ossc\/\" target=\"_blank\" rel=\"noopener\" class=\"ub-content-link__anchor\">Preview \u2013 OSSC<\/a><span class=\"ub-status ub-status--unknown\" title=\"Link status: Unknown\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: Unknown<\/span><\/span><\/span> <button type=\"button\" class=\"wpls-jump-button\" data-wpls-jump-url=\"https:\/\/www.fambach.net\/preview-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\/hkzlab\/TTL-to-RGB\/blob\/master\/LICENSE\" target=\"_blank\" rel=\"noopener\" class=\"ub-content-link__anchor\">TTL-to-RGB (hkzlab) \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\/hkzlab\/TTL-to-RGB\/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\/hkzlab\/TTL-to-RGB\" target=\"_blank\" rel=\"noopener\" class=\"ub-content-link__anchor\">TTL-to-RGB (hkzlab) \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\/hkzlab\/TTL-to-RGB\" 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>Kleine Wandlerplatine, die TTL-Signale von MDA-, Hercules-, CGA- und EGA-Karten in analoges RGB \u00fcbersetzt. Erkennt MDA\/Hercules und hochaufl\u00f6sendes EGA anhand der Sync-Polarit\u00e4t und korrigiert das CGA-Braun. Ein ausf\u00fchrlicher Beitrag ist in Arbeit. Beschreibung Passende Scaler: Preview \u2013 OSSC und Preview \u2013 GBS-Control. TTL-to-RGB (hkzlab) \u2013 Projektseite TTL-to-RGB (hkzlab) \u2013 Lizenz Verwandte Beitr\u00e4ge Quellen Logbuch<\/p>\n<a href=\"https:\/\/www.fambach.net\/en\/preview-ttl-to-rgb\/\" class=\"read-more-link\">Carry on reading <span class=\"screen-reader-text\">\"Preview \u2013 TTL-to-RGB (hkzlab)\"<\/span> <span class=\"meta-nav\">\u2192<\/span><\/a>","protected":false},"author":1,"featured_media":19235,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[625],"tags":[811],"class_list":["post-19236","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\/19236","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=19236"}],"version-history":[{"count":0,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts\/19236\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/media\/19235"}],"wp:attachment":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/media?parent=19236"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/categories?post=19236"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/tags?post=19236"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}