{"id":100,"date":"2016-11-02T07:12:58","date_gmt":"2016-11-01T19:12:58","guid":{"rendered":"http:\/\/www.junofirst.com\/?p=100"},"modified":"2016-11-02T07:12:58","modified_gmt":"2016-11-01T19:12:58","slug":"sega-system-24-sd-card-progress","status":"publish","type":"post","link":"http:\/\/www.junofirst.com\/?p=100","title":{"rendered":"Sega System 24 SD Card progress"},"content":{"rendered":"<p>After spending a ton of time researching sdcard interfacing, perils of voltage shifting and with the help of&nbsp;<a href=\"http:\/\/www.techno-junk.org\">Charles MacDonald&nbsp;<\/a>getting&nbsp;the Genesis C compiler working on System 24, &nbsp;I have successfully read a file from a SD Card. whoo hoo.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"4128\" height=\"2322\" src=\"http:\/\/www.junofirst.com\/wp-content\/uploads\/2016\/11\/20161030_220231.jpg\" class=\"wp-image-98 alignnone size-full\" srcset=\"http:\/\/www.junofirst.com\/wp-content\/uploads\/2016\/11\/20161030_220231.jpg 4128w, http:\/\/www.junofirst.com\/wp-content\/uploads\/2016\/11\/20161030_220231-300x169.jpg 300w, http:\/\/www.junofirst.com\/wp-content\/uploads\/2016\/11\/20161030_220231-768x432.jpg 768w, http:\/\/www.junofirst.com\/wp-content\/uploads\/2016\/11\/20161030_220231-1024x576.jpg 1024w\" sizes=\"auto, (max-width: 4128px) 100vw, 4128px\" \/><\/p>\n<p>This is only proof of concept as the hardware is very slow receiving data and all the C sdcard and fat16\/32 code will need rewriting in assembler. Hopefully a change from a FET to a 74ls05 will improve the speed.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"4128\" height=\"2322\" src=\"http:\/\/www.junofirst.com\/wp-content\/uploads\/2016\/11\/20161030_185313.jpg\" class=\"wp-image-99 alignnone size-full\" srcset=\"http:\/\/www.junofirst.com\/wp-content\/uploads\/2016\/11\/20161030_185313.jpg 4128w, http:\/\/www.junofirst.com\/wp-content\/uploads\/2016\/11\/20161030_185313-300x169.jpg 300w, http:\/\/www.junofirst.com\/wp-content\/uploads\/2016\/11\/20161030_185313-768x432.jpg 768w, http:\/\/www.junofirst.com\/wp-content\/uploads\/2016\/11\/20161030_185313-1024x576.jpg 1024w\" sizes=\"auto, (max-width: 4128px) 100vw, 4128px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>After spending a ton of time researching sdcard interfacing, perils of voltage shifting and with the help of&nbsp;Charles MacDonald&nbsp;getting&nbsp;the Genesis C compiler working on System 24, &nbsp;I have successfully read a file from a SD Card. whoo hoo. This is only proof of concept as the hardware is very slow receiving data and all the &hellip; <a href=\"http:\/\/www.junofirst.com\/?p=100\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Sega System 24 SD Card progress<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-100","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"http:\/\/www.junofirst.com\/index.php?rest_route=\/wp\/v2\/posts\/100","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.junofirst.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.junofirst.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.junofirst.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.junofirst.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=100"}],"version-history":[{"count":1,"href":"http:\/\/www.junofirst.com\/index.php?rest_route=\/wp\/v2\/posts\/100\/revisions"}],"predecessor-version":[{"id":101,"href":"http:\/\/www.junofirst.com\/index.php?rest_route=\/wp\/v2\/posts\/100\/revisions\/101"}],"wp:attachment":[{"href":"http:\/\/www.junofirst.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=100"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.junofirst.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=100"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.junofirst.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=100"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}