{"id":19251,"date":"2026-10-10T14:06:07","date_gmt":"2026-10-10T14:06:07","guid":{"rendered":"https:\/\/www.fambach.net\/preview-pcjr-tandymod\/"},"modified":"2026-10-10T14:06:07","modified_gmt":"2026-10-10T14:06:07","slug":"preview-pcjr-tandymod","status":"publish","type":"post","link":"https:\/\/www.fambach.net\/en\/preview-pcjr-tandymod\/","title":{"rendered":"Preview \u2013 PCjr TandyMod"},"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 Umbauplatine, die den Grafikspeicher des IBM PCjr so umlegt, dass er der Tandy-1000-Anordnung entspricht. So laufen manche Tandy-Spiele mit 16-Farben-Grafik auf dem PCjr. 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>Kein ISA-Projekt, sondern Mainboard-Mod f\u00fcr den PCjr<\/li>\n\n\n\n<li>Ersetzt den Baustein ZM31 (74LS157-Typ)<\/li>\n\n\n\n<li>Erstversion von Alan Hightower (auch jr-IDE)<\/li>\n\n\n\n<li>Kein offener Tandy-Grafik-ISA-Nachbau gefunden \u2013 das ist der einzige Hardware-Treffer<\/li>\n\n\n\n<li>Standards: PCjr, Tandy<\/li>\n\n\n\n<li>Bus: kein Bus \u2013 Steckmodul im Sockel ZM31 (74LS157) des PCjr-Mainboards<\/li>\n\n\n\n<li>Basis: Adressumschaltlogik anstelle des 74LS157<\/li>\n\n\n\n<li>Ausgang: unver\u00e4ndert (PCjr-Videoausgang)<\/li>\n\n\n\n<li>Status: fertig, im Handel<\/li>\n\n\n\n<li>Bezug: Fertigmodul bei Texelec; Einbau erfordert Ausl\u00f6ten eines ICs und Einsetzen eines Sockels<\/li>\n\n\n\n<li>Preis: ca. 10 \u20ac (11,99 USD)<\/li>\n\n\n\n<li>Lizenz Hardware: nicht angegeben<\/li>\n\n\n\n<li>Lizenz Software: keine Software<\/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:\/\/texelec.com\/product\/pcjr-tandymod\/\" target=\"_blank\" rel=\"noreferrer noopener\" class=\"ub-content-link__anchor\">PCjr TandyMod \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-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 Umbauplatine, die den Grafikspeicher des IBM PCjr so umlegt, dass er der Tandy-1000-Anordnung entspricht. So laufen manche Tandy-Spiele mit 16-Farben-Grafik auf dem PCjr. Ein ausf\u00fchrlicher Beitrag ist in Arbeit. Beschreibung PCjr TandyMod \u2013 Projektseite 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":19250,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[625],"tags":[811],"class_list":["post-19251","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\/19251","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=19251"}],"version-history":[{"count":0,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts\/19251\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/media\/19250"}],"wp:attachment":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/media?parent=19251"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/categories?post=19251"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/tags?post=19251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}