{"id":1222,"date":"2017-04-30T20:16:53","date_gmt":"2017-04-30T19:16:53","guid":{"rendered":"http:\/\/www.randomorbit.co.uk\/?p=1222"},"modified":"2017-04-30T20:16:53","modified_gmt":"2017-04-30T19:16:53","slug":"retrochallenge-20174-interak-cf-card-wrap-up","status":"publish","type":"post","link":"https:\/\/www.randomorbit.co.uk\/?p=1222","title":{"rendered":"Retrochallenge 2017\/4 \u2013 Interak CF card \u2013 Wrap up"},"content":{"rendered":"<p>Well Retrochallenge 2017\/4 is coming to an end and it&#8217;s time to wrap up this season&#8217;s efforts.<\/p>\n<p>I set myself the challenge of adding CF card support to my Interak-1 and basically, I didn&#8217;t make it.<\/p>\n<p>However, since the last post I have made some progress; I have tried two new CF cards (thanks to Spencer at <a href=\"http:\/\/RC2014.co.uk\">RC2014.co.uk<\/a> for that). These gave different results to the original and seemed to work better.<\/p>\n<p>I still don&#8217;t understand why two different but equivalent I\/O commands give different results. It has been suggested that timing is the issue here but I don&#8217; know enough about Z80 hardware to try and add a wait-state when accessing the CF card.<\/p>\n<p>The current state of play is that I think I can read the card but as I don&#8217;t have a way of writing to the card on a different machine, I can&#8217;t prove it :-(. I have a write routine written on the Interak but I don&#8217;t think it&#8217;s working.<\/p>\n<p>On the plus side, I have built an adapter to add a CF card to my machine by adapting hardware intended for the splendid RC2014 machine. That&#8217;s not too shabby.<\/p>\n<p>There is more work to be done here.<\/p>\n<p>&nbsp;<\/p>\n<p>So long Retrochallenge, it&#8217;s been fun. See you in October!.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Well Retrochallenge 2017\/4 is coming to an end and it&#8217;s time to wrap up this season&#8217;s efforts. I set myself the challenge of adding CF card support to my Interak-1 and basically, I didn&#8217;t make it. However, since the last post I have made some progress; I have tried two new CF cards (thanks to &hellip; <a href=\"https:\/\/www.randomorbit.co.uk\/?p=1222\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Retrochallenge 2017\/4 \u2013 Interak CF card \u2013 Wrap up<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","footnotes":""},"categories":[47,122,33,98,125],"tags":[],"class_list":["post-1222","post","type-post","status-publish","format-standard","hentry","category-c93-blog-posts","category-interak","category-c84-retro-tech","category-retrochallenge","category-retrochallenge-20174"],"featured_image_src":null,"author_info":{"display_name":"andy","author_link":"https:\/\/www.randomorbit.co.uk\/?author=1"},"_links":{"self":[{"href":"https:\/\/www.randomorbit.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/1222","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.randomorbit.co.uk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.randomorbit.co.uk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.randomorbit.co.uk\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.randomorbit.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1222"}],"version-history":[{"count":1,"href":"https:\/\/www.randomorbit.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/1222\/revisions"}],"predecessor-version":[{"id":1223,"href":"https:\/\/www.randomorbit.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/1222\/revisions\/1223"}],"wp:attachment":[{"href":"https:\/\/www.randomorbit.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1222"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.randomorbit.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1222"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.randomorbit.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1222"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}