{"id":7215,"date":"2023-11-27T16:45:02","date_gmt":"2023-11-27T16:45:02","guid":{"rendered":"https:\/\/www.leo-computers.org.uk\/leopedia.org\/?p=7215"},"modified":"2023-11-27T16:45:04","modified_gmt":"2023-11-27T16:45:04","slug":"ray-dawson","status":"publish","type":"post","link":"https:\/\/www.leo-computers.org.uk\/leopedia.org\/ray-dawson\/","title":{"rendered":"<strong>Ray Dawson:<\/strong>"},"content":{"rendered":"\n<p><strong><u>Ray Dawson<\/u><\/strong>, Reminiscences\u00a0 published in <em><u>Bits and Bytes<\/u><\/em>, Newsletter for ICL Pensioners. Autumn 2000, pages 3-4, and <a href=\"https:\/\/www.dropbox.com\/s\/pvn23zfn0p6ylwf\/Ray%20Dawson%20Reminiscences.docx?dl=0\">https:\/\/www.dropbox.com\/s\/pvn23zfn0p6ylwf\/Ray%20Dawson%20Reminiscences.docx?dl=0<\/a>\u00a0<br>JD also remembers the Master Routine: I have listings of the master routine and it was written in Intercode.<br>Intercode itself was a level above machine code and, although a instruction looked to be an equivalent to a machine code instruction, it was often expanded by the translator into several machine code instructions.<br>However, Intercode instructions 100\/0\/0 to 131\/1\/3 were one for one equivalents of machine code instructions 0\/0\/0 to 31\/1\/3.\u00a0 That meant that the master routine programmers could program at the lowest level and use specialist low level instructions that weren\u2019t in the Intercode set e.g. input output, interrupt handling, setting store protection tags .etc<\/p>\n\n\n\n<p>Interestingly, Cleo allowed for routines to be written in Intercode and, by implication from the above, that Intercode might include machine code<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ray Dawson, Reminiscences\u00a0 published in Bits and Bytes, Newsletter for ICL Pensioners. Autumn 2000, pages 3-4, and https:\/\/www.dropbox.com\/s\/pvn23zfn0p6ylwf\/Ray%20Dawson%20Reminiscences.docx?dl=0\u00a0JD also remembers the Master Routine: I have listings of the master routine and it was written in Intercode.Intercode itself was a level above machine code and, although a instruction looked to be an equivalent to a machine [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[38],"tags":[],"class_list":["post-7215","post","type-post","status-publish","format-standard","hentry","category-memoirs"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ray Dawson: - LEOPEDIA EDITORIAL SYSTEM<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.leo-computers.org.uk\/leopedia.org\/ray-dawson\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ray Dawson: - LEOPEDIA EDITORIAL SYSTEM\" \/>\n<meta property=\"og:description\" content=\"Ray Dawson, Reminiscences\u00a0 published in Bits and Bytes, Newsletter for ICL Pensioners. 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