{"id":2353,"date":"2026-08-20T07:23:17","date_gmt":"2026-08-20T05:23:17","guid":{"rendered":"https:\/\/www.pmd85.cz\/?page_id=2353"},"modified":"2026-08-20T07:46:41","modified_gmt":"2026-08-20T05:46:41","slug":"sapi-deska-barevne-pixelove-grafiky-cga-1v","status":"publish","type":"page","link":"https:\/\/www.pmd85.cz\/","title":{"rendered":"SAPI &#8211; deska barevn\u00e9 pixelov\u00e9 grafiky CGA-1V"},"content":{"rendered":"<p><a href=\"https:\/\/www.pmd85.cz\/wp-content\/uploads\/CGA-1V-rev.-1.1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-thumbnail wp-image-2355\" src=\"https:\/\/www.pmd85.cz\/wp-content\/uploads\/CGA-1V-rev.-1.1-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p>Karta kompatibiln\u00ed se syst\u00e9mem SAPI-1, jmenovit\u011b s procesorov\u00fdmi deskami JPR-1, JPR-1A. JPR-1S, JPR-1X, JPR-1V a JPR-1Z.<\/p>\n<p>Grafick\u00e1 karta nab\u00edz\u00ed v b\u011b\u017en\u00e9m statick\u00e9m re\u017eimu rozli\u0161en\u00ed 320&#215;200 pixel\u016f v &#8222;A\u017d&#8220; 224 barv\u00e1ch, kde ka\u017ed\u00e1 barva je volena z palety 262144 odst\u00edn\u016f. To p\u0159edstavuje 18-bitov\u00e9 RGB k\u00f3dov\u00e1n\u00ed, kde ka\u017ed\u00e1 z RGB slo\u017eek m\u016f\u017ee b\u00fdt volena v rozsahu 0\u00f763.<\/p>\n<p>Karta nab\u00edz\u00ed dva re\u017eimy. CGA re\u017eim &#8222;um\u00ed&#8220; pro ka\u017ed\u00fd pixel nez\u00e1visle zvolit jednu ze \u010dty\u0159 p\u0159edstaven\u00fdch barev. EGA re\u017eim nab\u00edz\u00ed pro ka\u017edou vodorovnou \u010dtve\u0159ici pixel\u016f jednu ze \u0161estn\u00e1cti kombinac\u00ed barev PAPER\/INK, tedy celkem 32 barev, op\u011bt zvolen\u00fdch z palety 262144 odst\u00edn\u016f. Nez\u00e1visle na volb\u011b re\u017eimu lze aplikovat dal\u0161\u00ed vlastnosti karty, roz\u0161i\u0159uj\u00edc\u00ed mo\u017enosti zobrazen\u00ed. Jednou z nich jsou tzv. vertik\u00e1ln\u00ed barvov\u00e9 dom\u00e9ny. V celkem 7 oblastech obrazovky o rozm\u011brech 320&#215;32 pixel\u016f lze navolit nez\u00e1vislou paletu barev, \u010d\u00edm\u017e se z\u00e1kladn\u00ed po\u010dty barev n\u00e1sob\u00ed sedmi. Dal\u0161\u00edm n\u00e1strojem je VBI &#8211; vertical blank interrupt, tedy p\u0159eru\u0161en\u00ed, generovan\u00e9 na konci viditeln\u00e9 \u010d\u00e1sti obrazu. Karta nab\u00edz\u00ed dv\u011b nez\u00e1visl\u00e9 videoram, kter\u00e9 lze programov\u011b p\u0159ep\u00ednat.<\/p>\n<h2>Soubory ke sta\u017een\u00ed<\/h2>\n<p><a href=\"https:\/\/www.pmd85.cz\/wp-content\/uploads\/Navod-k-osazeni-CGA-1V-rev.-1.1.pdf\">N\u00e1vod k osazen\u00ed CGA-1V rev. 1.1<\/a><\/p>\n<h2>Galerie obr\u00e1zk\u016f<\/h2>\n<div id=\"attachment_2367\" style=\"width: 160px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/www.pmd85.cz\/wp-content\/uploads\/m_rastr-rev.1.1.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2367\" class=\"wp-image-2367 size-thumbnail\" src=\"https:\/\/www.pmd85.cz\/wp-content\/uploads\/m_rastr-rev.1.1-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><p id=\"caption-attachment-2367\" class=\"wp-caption-text\">Detail rastru karty CGA-1V na monitoru<\/p><\/div>\n<div id=\"attachment_2363\" style=\"width: 160px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/www.pmd85.cz\/wp-content\/uploads\/rembrandt2.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2363\" class=\"wp-image-2363 size-thumbnail\" src=\"https:\/\/www.pmd85.cz\/wp-content\/uploads\/rembrandt2-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><p id=\"caption-attachment-2363\" class=\"wp-caption-text\">CGA re\u017eim, dynamick\u00e9 st\u0159\u00edd\u00e1n\u00ed dvou videoram<\/p><\/div>\n<div id=\"attachment_2364\" style=\"width: 160px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/www.pmd85.cz\/wp-content\/uploads\/m_cga1v11_32col.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2364\" class=\"wp-image-2364 size-thumbnail\" src=\"https:\/\/www.pmd85.cz\/wp-content\/uploads\/m_cga1v11_32col-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><p id=\"caption-attachment-2364\" class=\"wp-caption-text\">EGA re\u017eim, aktivovan\u00e9 vertik\u00e1ln\u00ed barvov\u00e9 dom\u00e9ny<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Karta kompatibiln\u00ed se syst\u00e9mem SAPI-1, jmenovit\u011b s procesorov\u00fdmi deskami JPR-1, JPR-1A. JPR-1S, JPR-1X, JPR-1V a JPR-1Z. Grafick\u00e1 karta nab\u00edz\u00ed v b\u011b\u017en\u00e9m statick\u00e9m re\u017eimu rozli\u0161en\u00ed 320&#215;200 pixel\u016f v &#8222;A\u017d&#8220; 224 barv\u00e1ch, kde ka\u017ed\u00e1 barva je volena z palety 262144 odst\u00edn\u016f. To p\u0159edstavuje 18-bitov\u00e9 RGB k\u00f3dov\u00e1n\u00ed, kde ka\u017ed\u00e1 z RGB slo\u017eek m\u016f\u017ee b\u00fdt volena v rozsahu 0\u00f763. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":292,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2353","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.pmd85.cz\/index.php?rest_route=\/wp\/v2\/pages\/2353","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pmd85.cz\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.pmd85.cz\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.pmd85.cz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pmd85.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2353"}],"version-history":[{"count":7,"href":"https:\/\/www.pmd85.cz\/index.php?rest_route=\/wp\/v2\/pages\/2353\/revisions"}],"predecessor-version":[{"id":2356,"href":"https:\/\/www.pmd85.cz\/index.php?rest_route=\/wp\/v2\/pages\/2353\/revisions\/2356"}],"up":[{"embeddable":true,"href":"https:\/\/www.pmd85.cz\/index.php?rest_route=\/wp\/v2\/pages\/292"}],"wp:attachment":[{"href":"https:\/\/www.pmd85.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2353"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}