{"id":8195,"date":"2016-12-24T09:55:24","date_gmt":"2016-12-24T14:55:24","guid":{"rendered":"http:\/\/www.willegal.net\/blog\/?p=8195"},"modified":"2016-12-24T09:55:24","modified_gmt":"2016-12-24T14:55:24","slug":"oscope-displays-several-lines-of-text-which-were-input-by-the-keyboard-interface","status":"publish","type":"post","link":"http:\/\/www.willegal.net\/blog\/?p=8195","title":{"rendered":"Oscope Displays Several Lines of Text Which Were Input By the Keyboard Interface"},"content":{"rendered":"<div id=\"attachment_8194\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/www.willegal.net\/blog\/wp-content\/uploads\/2016\/12\/several-lines-of-text.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-8194\" src=\"http:\/\/www.willegal.net\/blog\/wp-content\/uploads\/2016\/12\/several-lines-of-text-300x248.jpg\" alt=\"Several Lines of Text\" width=\"300\" height=\"248\" class=\"size-medium wp-image-8194\" srcset=\"http:\/\/www.willegal.net\/blog\/wp-content\/uploads\/2016\/12\/several-lines-of-text-300x248.jpg 300w, http:\/\/www.willegal.net\/blog\/wp-content\/uploads\/2016\/12\/several-lines-of-text-768x634.jpg 768w, http:\/\/www.willegal.net\/blog\/wp-content\/uploads\/2016\/12\/several-lines-of-text.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-8194\" class=\"wp-caption-text\">Several Lines of Text<\/p><\/div>\n<p>I had to change resistor R33 on the analog board to 0 ohms in order to make blanking work reasonably well, but it&#8217;s still not perfect.  Your mileage may vary depending upon the exact scope that you connect to this interface.  I&#8217;d like to move onto focussing on getting some real software working, but I have one more significant issue to resolve.  I think that the loading of the latches off the data bus is a little flakey, which is causing some flickering of the display.  I also have to investigate the artifact at the top of the screen a little more.<\/p>\n<p>In case you are interested, here is the driver that was used to generate the display in the picture.  Keep in mind that it is a very much a work in the progress.<br \/>\n<a href=\"http:\/\/www.willegal.net\/blog\/wp-content\/uploads\/2016\/12\/oscope-kb.txt\">oscope-keyboard driver<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>I had to change resistor R33 on the analog board to 0 ohms in order to make blanking work reasonably well, but it&#8217;s still not perfect. Your mileage may vary depending upon the exact scope that you connect to this &hellip; <a href=\"http:\/\/www.willegal.net\/blog\/?p=8195\">Continue reading <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":{"footnotes":""},"categories":[16,7],"tags":[],"class_list":["post-8195","post","type-post","status-publish","format-standard","hentry","category-8008-scelbi","category-apple"],"_links":{"self":[{"href":"http:\/\/www.willegal.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/8195","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.willegal.net\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.willegal.net\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.willegal.net\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.willegal.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8195"}],"version-history":[{"count":14,"href":"http:\/\/www.willegal.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/8195\/revisions"}],"predecessor-version":[{"id":8210,"href":"http:\/\/www.willegal.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/8195\/revisions\/8210"}],"wp:attachment":[{"href":"http:\/\/www.willegal.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8195"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.willegal.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8195"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.willegal.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8195"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}