{"id":12202,"date":"2024-05-29T22:31:49","date_gmt":"2024-05-29T20:31:49","guid":{"rendered":"https:\/\/www.sinclaircollection.site\/?page_id=12202"},"modified":"2025-08-14T20:29:08","modified_gmt":"2025-08-14T18:29:08","slug":"east-london-robotics-sp80b","status":"publish","type":"page","link":"https:\/\/www.sinclaircollection.site\/?page_id=12202","title":{"rendered":"East London Robotics SP80B"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"12202\" class=\"elementor elementor-12202\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0b90ed1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0b90ed1\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ba5e292\" data-id=\"ba5e292\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-27e480c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"27e480c\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-cc46b82\" data-id=\"cc46b82\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4e8e731 elementor-widget elementor-widget-image\" data-id=\"4e8e731\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.23.0 - 05-08-2024 *\/\n.elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"920\" height=\"817\" src=\"https:\/\/www.sinclaircollection.site\/wp-content\/uploads\/2025\/08\/20250813_20492980320-1024x909.png\" class=\"attachment-large size-large wp-image-13186\" alt=\"\" srcset=\"https:\/\/www.sinclaircollection.site\/wp-content\/uploads\/2025\/08\/20250813_20492980320-1024x909.png 1024w, https:\/\/www.sinclaircollection.site\/wp-content\/uploads\/2025\/08\/20250813_20492980320-300x266.png 300w, https:\/\/www.sinclaircollection.site\/wp-content\/uploads\/2025\/08\/20250813_20492980320-768x682.png 768w, https:\/\/www.sinclaircollection.site\/wp-content\/uploads\/2025\/08\/20250813_20492980320-1536x1363.png 1536w, https:\/\/www.sinclaircollection.site\/wp-content\/uploads\/2025\/08\/20250813_20492980320-2048x1818.png 2048w\" sizes=\"(max-width: 920px) 100vw, 920px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-c86ecfb\" data-id=\"c86ecfb\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1843ef5 elementor-widget elementor-widget-text-editor\" data-id=\"1843ef5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.23.0 - 05-08-2024 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p>Brand:&nbsp;<span style=\"font-weight: 700;\">East London Robotics Ltd.<br><\/span>Model: <b>SP80B<\/b><span style=\"font-weight: 700;\"><br><\/span>Country of origin:&nbsp;<span style=\"font-weight: 700;\">United Kingdom<br><\/span>First year of production: <b>1984<\/b><br>Price:&nbsp;<span style=\"font-weight: 700;\">\u00a346<\/span><br><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-7d93daa elementor-widget elementor-widget-text-editor\" data-id=\"7d93daa\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Sinclair used half defect RAM chips for its 32 Kb memory expansion. But non defect chips will fit too and with some clever bank switching, both 32 Kb banks can be selected. Using the OUT command, Bank 1 or Bank 2 can be chosen. A LED will illuminate when the second bank is selected. Unfortunately no commercial software made use of this scheme.<\/p>\n<p>East London Robotics also sold the SP48, which was a regular 32 Kb memory upgrade.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a2634ad elementor-widget elementor-widget-image-gallery\" data-id=\"a2634ad\" data-element_type=\"widget\" data-widget_type=\"image-gallery.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.23.0 - 05-08-2024 *\/\n.elementor-image-gallery .gallery-item{display:inline-block;text-align:center;vertical-align:top;width:100%;max-width:100%;margin:0 auto}.elementor-image-gallery .gallery-item img{margin:0 auto}.elementor-image-gallery .gallery-item .gallery-caption{margin:0}.elementor-image-gallery figure img{display:block}.elementor-image-gallery figure figcaption{width:100%}.gallery-spacing-custom .elementor-image-gallery .gallery-icon{padding:0}@media (min-width:768px){.elementor-image-gallery .gallery-columns-2 .gallery-item{max-width:50%}.elementor-image-gallery .gallery-columns-3 .gallery-item{max-width:33.33%}.elementor-image-gallery .gallery-columns-4 .gallery-item{max-width:25%}.elementor-image-gallery .gallery-columns-5 .gallery-item{max-width:20%}.elementor-image-gallery .gallery-columns-6 .gallery-item{max-width:16.666%}.elementor-image-gallery .gallery-columns-7 .gallery-item{max-width:14.28%}.elementor-image-gallery .gallery-columns-8 .gallery-item{max-width:12.5%}.elementor-image-gallery .gallery-columns-9 .gallery-item{max-width:11.11%}.elementor-image-gallery .gallery-columns-10 .gallery-item{max-width:10%}}@media (min-width:480px) and (max-width:767px){.elementor-image-gallery .gallery.gallery-columns-2 .gallery-item,.elementor-image-gallery .gallery.gallery-columns-3 .gallery-item,.elementor-image-gallery .gallery.gallery-columns-4 .gallery-item,.elementor-image-gallery .gallery.gallery-columns-5 .gallery-item,.elementor-image-gallery 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class=\"elementor-image-gallery\">\n\t\t\t<div id='gallery-1' class='gallery galleryid-12202 gallery-columns-5 gallery-size-thumbnail'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"a2634ad\" data-elementor-lightbox-title=\"SP80B\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTMxODYsInVybCI6Imh0dHBzOlwvXC93d3cuc2luY2xhaXJjb2xsZWN0aW9uLnNpdGVcL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjVcLzA4XC8yMDI1MDgxM18yMDQ5Mjk4MDMyMC5wbmciLCJzbGlkZXNob3ciOiJhMjYzNGFkIn0%3D\" href='https:\/\/www.sinclaircollection.site\/wp-content\/uploads\/2025\/08\/20250813_20492980320.png'><img decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.sinclaircollection.site\/wp-content\/uploads\/2025\/08\/20250813_20492980320-150x150.png\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" aria-describedby=\"gallery-1-13186\" srcset=\"https:\/\/www.sinclaircollection.site\/wp-content\/uploads\/2025\/08\/20250813_20492980320-150x150.png 150w, https:\/\/www.sinclaircollection.site\/wp-content\/uploads\/2025\/08\/20250813_20492980320-666x666.png 666w, https:\/\/www.sinclaircollection.site\/wp-content\/uploads\/2025\/08\/20250813_20492980320-96x96.png 96w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-1-13186'>\n\t\t\t\tEast London Robotics<br>SP80B<br>\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon portrait'>\n\t\t\t\t<a data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"a2634ad\" data-elementor-lightbox-title=\"8 Samsung 64K \u00d7 1 bit dynamic RAM with page mode, 120ns\" 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https:\/\/www.sinclaircollection.site\/wp-content\/uploads\/2024\/05\/ZXComputing_1983_06_0001-666x666.jpg 666w, https:\/\/www.sinclaircollection.site\/wp-content\/uploads\/2024\/05\/ZXComputing_1983_06_0001-96x96.jpg 96w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/div><\/figure>\n\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Brand:&nbsp;East London Robotics Ltd.Model: SP80BCountry of origin:&nbsp;United KingdomFirst year of<\/p>\n<p><span class=\"more-link\"><a href=\"https:\/\/www.sinclaircollection.site\/?page_id=12202\" class=\"readmore\">Continue reading<span class=\"screen-reader-text\">East London Robotics SP80B<\/span><\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-12202","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.sinclaircollection.site\/index.php?rest_route=\/wp\/v2\/pages\/12202","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sinclaircollection.site\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.sinclaircollection.site\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.sinclaircollection.site\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sinclaircollection.site\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=12202"}],"version-history":[{"count":37,"href":"https:\/\/www.sinclaircollection.site\/index.php?rest_route=\/wp\/v2\/pages\/12202\/revisions"}],"predecessor-version":[{"id":13189,"href":"https:\/\/www.sinclaircollection.site\/index.php?rest_route=\/wp\/v2\/pages\/12202\/revisions\/13189"}],"wp:attachment":[{"href":"https:\/\/www.sinclaircollection.site\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12202"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}