{"id":24342,"date":"2024-05-04T01:08:44","date_gmt":"2024-05-04T00:08:44","guid":{"rendered":"https:\/\/text-mode.org\/?p=24342"},"modified":"2024-02-29T01:09:41","modified_gmt":"2024-02-29T00:09:41","slug":"24342","status":"publish","type":"post","link":"http:\/\/text-mode.org\/?p=24342","title":{"rendered":""},"content":{"rendered":"\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group__inner-container\">\n<figure class=\"wp-block-gallery has-nested-images columns-1 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/text-mode.org\/wp-content\/uploads\/2024\/02\/image-44.png\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"416\" src=\"https:\/\/text-mode.org\/wp-content\/uploads\/2024\/02\/image-44.png\" alt=\"\" class=\"wp-image-24343\" srcset=\"http:\/\/text-mode.org\/wp-content\/uploads\/2024\/02\/image-44.png 1024w, http:\/\/text-mode.org\/wp-content\/uploads\/2024\/02\/image-44-768x312.png 768w, http:\/\/text-mode.org\/wp-content\/uploads\/2024\/02\/image-44-200x81.png 200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">IBM 5100 character set<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/text-mode.org\/wp-content\/uploads\/2024\/02\/image-45.png\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"406\" src=\"https:\/\/text-mode.org\/wp-content\/uploads\/2024\/02\/image-45.png\" alt=\"\" class=\"wp-image-24344\" srcset=\"http:\/\/text-mode.org\/wp-content\/uploads\/2024\/02\/image-45.png 1024w, http:\/\/text-mode.org\/wp-content\/uploads\/2024\/02\/image-45-768x305.png 768w, http:\/\/text-mode.org\/wp-content\/uploads\/2024\/02\/image-45-200x79.png 200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">IBM 5110 character set<\/figcaption><\/figure>\n<\/figure>\n<\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-4 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/text-mode.org\/wp-content\/uploads\/2024\/02\/IBM_5100_-_MfK_Bern-scaled.jpg\"><img decoding=\"async\" loading=\"lazy\" width=\"2560\" height=\"1875\" data-id=\"24345\" src=\"https:\/\/text-mode.org\/wp-content\/uploads\/2024\/02\/IBM_5100_-_MfK_Bern-scaled.jpg\" alt=\"\" class=\"wp-image-24345\" srcset=\"http:\/\/text-mode.org\/wp-content\/uploads\/2024\/02\/IBM_5100_-_MfK_Bern-scaled.jpg 2560w, http:\/\/text-mode.org\/wp-content\/uploads\/2024\/02\/IBM_5100_-_MfK_Bern-768x562.jpg 768w, http:\/\/text-mode.org\/wp-content\/uploads\/2024\/02\/IBM_5100_-_MfK_Bern-200x146.jpg 200w, http:\/\/text-mode.org\/wp-content\/uploads\/2024\/02\/IBM_5100_-_MfK_Bern-1536x1125.jpg 1536w, http:\/\/text-mode.org\/wp-content\/uploads\/2024\/02\/IBM_5100_-_MfK_Bern-2048x1500.jpg 2048w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/a><figcaption class=\"wp-element-caption\">IBM 5100<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/text-mode.org\/wp-content\/uploads\/2024\/02\/IBM_5110_computer_-_Ridai_Museum_of_Modern_Science_Tokyo_-_DSC07664-scaled.jpg\"><img decoding=\"async\" loading=\"lazy\" width=\"2560\" height=\"2334\" data-id=\"24346\" src=\"https:\/\/text-mode.org\/wp-content\/uploads\/2024\/02\/IBM_5110_computer_-_Ridai_Museum_of_Modern_Science_Tokyo_-_DSC07664-scaled.jpg\" alt=\"\" class=\"wp-image-24346\" srcset=\"http:\/\/text-mode.org\/wp-content\/uploads\/2024\/02\/IBM_5110_computer_-_Ridai_Museum_of_Modern_Science_Tokyo_-_DSC07664-scaled.jpg 2560w, http:\/\/text-mode.org\/wp-content\/uploads\/2024\/02\/IBM_5110_computer_-_Ridai_Museum_of_Modern_Science_Tokyo_-_DSC07664-768x700.jpg 768w, http:\/\/text-mode.org\/wp-content\/uploads\/2024\/02\/IBM_5110_computer_-_Ridai_Museum_of_Modern_Science_Tokyo_-_DSC07664-200x182.jpg 200w, http:\/\/text-mode.org\/wp-content\/uploads\/2024\/02\/IBM_5110_computer_-_Ridai_Museum_of_Modern_Science_Tokyo_-_DSC07664-1536x1400.jpg 1536w, http:\/\/text-mode.org\/wp-content\/uploads\/2024\/02\/IBM_5110_computer_-_Ridai_Museum_of_Modern_Science_Tokyo_-_DSC07664-2048x1867.jpg 2048w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/a><figcaption class=\"wp-element-caption\">IBM 5110<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<p>These are IBM&#8217;s first computers: IBM <a href=\"https:\/\/en.wikipedia.org\/wiki\/IBM_5100\">5100<\/a> (1975) and IBM <a href=\"https:\/\/en.wikipedia.org\/wiki\/IBM_5110\">5110<\/a> (1978).<\/p>\n\n\n\n<p>The 5100 had 256 characters but half of the characters were just underscored versions of the other half. It used IBM&#8217;s mega obscure EBCD encoding instead of ASCII. IBM 5110 dropped most of the underscored characters, which made room for semi-graphic characters. Encoding was changed to the slightly less obscure EBCDIC, and there were 14 localized character sets with 12 characters each. <br><br>Character set photos from <a href=\"https:\/\/voidstar.blog\/ibm-5100-character-sets\/\">Voidstar<\/a>, where there are also more details about the character sets.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>These are IBM&#8217;s first computers: IBM 5100 (1975) and IBM 5110 (1978). The 5100 had 256 characters but half of the characters were just underscored versions of the other half. It used IBM&#8217;s mega obscure EBCD encoding instead of ASCII. IBM 5110 dropped most of the underscored characters, which made room for semi-graphic characters. Encoding [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[439],"tags":[1405,792,1649,102,475,578,16],"_links":{"self":[{"href":"http:\/\/text-mode.org\/index.php?rest_route=\/wp\/v2\/posts\/24342"}],"collection":[{"href":"http:\/\/text-mode.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/text-mode.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/text-mode.org\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/text-mode.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=24342"}],"version-history":[{"count":1,"href":"http:\/\/text-mode.org\/index.php?rest_route=\/wp\/v2\/posts\/24342\/revisions"}],"predecessor-version":[{"id":24347,"href":"http:\/\/text-mode.org\/index.php?rest_route=\/wp\/v2\/posts\/24342\/revisions\/24347"}],"wp:attachment":[{"href":"http:\/\/text-mode.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=24342"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/text-mode.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=24342"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/text-mode.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=24342"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}