{"id":655,"date":"2020-08-17T19:46:09","date_gmt":"2020-08-17T17:46:09","guid":{"rendered":"https:\/\/www.retrocomputing-whv.net\/?page_id=655"},"modified":"2020-08-22T12:22:22","modified_gmt":"2020-08-22T10:22:22","slug":"zx81-basic-programming","status":"publish","type":"page","link":"https:\/\/www.retrocomputing-whv.net\/?page_id=655","title":{"rendered":"ZX81 BASIC Programming"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"747\" height=\"1024\" src=\"https:\/\/www.retrocomputing-whv.net\/wp-content\/uploads\/2020\/05\/Sinclair-Research-Ltd-ZX81-BASIC-Programming-747x1024.jpg\" alt=\"Sinclair Research Ltd - ZX81 BASIC Programming\" class=\"wp-image-534\" srcset=\"https:\/\/www.retrocomputing-whv.net\/wp-content\/uploads\/2020\/05\/Sinclair-Research-Ltd-ZX81-BASIC-Programming-747x1024.jpg 747w, https:\/\/www.retrocomputing-whv.net\/wp-content\/uploads\/2020\/05\/Sinclair-Research-Ltd-ZX81-BASIC-Programming-219x300.jpg 219w, https:\/\/www.retrocomputing-whv.net\/wp-content\/uploads\/2020\/05\/Sinclair-Research-Ltd-ZX81-BASIC-Programming-768x1053.jpg 768w, https:\/\/www.retrocomputing-whv.net\/wp-content\/uploads\/2020\/05\/Sinclair-Research-Ltd-ZX81-BASIC-Programming-1120x1536.jpg 1120w, https:\/\/www.retrocomputing-whv.net\/wp-content\/uploads\/2020\/05\/Sinclair-Research-Ltd-ZX81-BASIC-Programming.jpg 1200w\" sizes=\"auto, (max-width: 747px) 100vw, 747px\" \/><\/figure>\n\n\n\n<p>Sinclair Research Ltd<br>3. Auflage &#8211; Erscheinungsjahr 1981<\/p>\n\n\n\n<p><strong>Inhaltsverzeichnis:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Aufbau des ZX81<\/li><li>Anweisungen f\u00fcr den Computer<\/li><li>Eine Geschichtsstunde<\/li><li>Der Sinclair ZX81 als Taschenrechner<\/li><li>Funktionen<\/li><li>Variablen<\/li><li>Zeichenketten<\/li><li>Programmieren mit dem Computer<\/li><li>Noch mehr Programmierhilfen<\/li><li>IF (Wenn&#8230;)<\/li><li>Der Zeichenvorrat<\/li><li>Schleifen<\/li><li>SLOW &amp; FAST<\/li><li>Unterprogramme<\/li><li>So bringen Sie Ihre Programme zum laufen<\/li><li>Speichern auf Tonband<\/li><li>Die Kunstgriffe beim Printen<\/li><li>Graphik<\/li><li>Zeit &amp; Bewegung<\/li><li>Der ZX81 Drucker<\/li><li>Teilketten<\/li><li>Variablenfelder<\/li><li>Wenn der Speicherplatz knapp wird<\/li><li>Fingerabz\u00e4hlen<\/li><li>Arbeitsweise des Computers<\/li><li>Arbeiten in Maschinensprache<\/li><li>Gliederung des Speichers<\/li><li>Systemvariablen<\/li><li>Anhang<ul><li>Der Zeichenvorrat<\/li><li>Kodeliste der Meldungen<\/li><li>Der ZX81 f\u00fcr den BASIC-Experten<\/li><li>Register<\/li><\/ul><\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.retrocomputing-whv.net\/?page_id=412\"><img loading=\"lazy\" decoding=\"async\" width=\"256\" height=\"136\" src=\"https:\/\/www.retrocomputing-whv.net\/wp-content\/uploads\/2020\/08\/Backspace.jpg\" alt=\"Backspace\" class=\"wp-image-681\"\/><\/a><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sinclair Research Ltd3. Auflage &#8211; Erscheinungsjahr 1981 Inhaltsverzeichnis: Aufbau des ZX81 Anweisungen f\u00fcr den Computer Eine Geschichtsstunde Der Sinclair ZX81 als Taschenrechner Funktionen Variablen Zeichenketten Programmieren mit dem Computer Noch mehr Programmierhilfen IF (Wenn&#8230;) Der Zeichenvorrat Schleifen SLOW &amp; FAST Unterprogramme So bringen Sie Ihre Programme zum laufen Speichern auf Tonband Die Kunstgriffe beim Printen Graphik Zeit &amp; Bewegung Der<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":412,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-655","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ZX81 BASIC Programming - Retrocomputing WHV<\/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.retrocomputing-whv.net\/?page_id=655\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ZX81 BASIC Programming - Retrocomputing WHV\" \/>\n<meta property=\"og:description\" content=\"Sinclair Research Ltd3. 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