{"id":6246,"date":"2023-03-11T17:28:52","date_gmt":"2023-03-11T17:28:52","guid":{"rendered":"https:\/\/loadzx.com\/timexcomputerworld\/?page_id=6246"},"modified":"2023-12-15T19:25:16","modified_gmt":"2023-12-15T19:25:16","slug":"rs232-online-user-manual","status":"publish","type":"page","link":"https:\/\/loadzx.com\/timexcomputerworld\/rs232-online-user-manual\/","title":{"rendered":"RS232 Online User Manual"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"6246\" class=\"elementor elementor-6246\">\n\t\t\t\t\t\t<section class=\"has_eae_slider elementor-section elementor-top-section elementor-element elementor-element-8c07a5d elementor-section-stretched elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-eae-slider=\"56854\" data-id=\"8c07a5d\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;stretch_section&quot;:&quot;section-stretched&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"has_eae_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-080594e\" data-eae-slider=\"60670\" data-id=\"080594e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"has_eae_slider elementor-section elementor-inner-section elementor-element elementor-element-690fb63 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-eae-slider=\"20016\" data-id=\"690fb63\" data-element_type=\"section\" data-e-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=\"has_eae_slider elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-dc84625\" data-eae-slider=\"43867\" data-id=\"dc84625\" data-element_type=\"column\" data-e-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-ef3ff72 elementor-widget elementor-widget-heading\" data-id=\"ef3ff72\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">RS232 Online User Manual<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d07a4a1 elementor-widget elementor-widget-spacer\" data-id=\"d07a4a1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cc5fa1c elementor-widget elementor-widget-image\" data-id=\"cc5fa1c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"807\" src=\"https:\/\/loadzx.com\/timexcomputerworld\/wp-content\/uploads\/2023\/03\/rs232a-1024x807.jpg\" class=\"attachment-large size-large wp-image-5944\" alt=\"\" srcset=\"https:\/\/loadzx.com\/timexcomputerworld\/wp-content\/uploads\/2023\/03\/rs232a-1024x807.jpg 1024w, https:\/\/loadzx.com\/timexcomputerworld\/wp-content\/uploads\/2023\/03\/rs232a-300x237.jpg 300w, https:\/\/loadzx.com\/timexcomputerworld\/wp-content\/uploads\/2023\/03\/rs232a-768x606.jpg 768w, https:\/\/loadzx.com\/timexcomputerworld\/wp-content\/uploads\/2023\/03\/rs232a-1536x1211.jpg 1536w, https:\/\/loadzx.com\/timexcomputerworld\/wp-content\/uploads\/2023\/03\/rs232a-2048x1615.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\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<div class=\"elementor-element elementor-element-84d3715 elementor-widget elementor-widget-spacer\" data-id=\"84d3715\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-19a0801 elementor-widget elementor-widget-text-editor\" data-id=\"19a0801\" data-element_type=\"widget\" data-e-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\t\t<p><strong style=\"font-family: Arial; font-size: large; font-style: normal;\">Timex Computer Interface RS232<br \/>(C) Copyright of TMX Portugal, Lda.<\/strong><\/p><p>\u00a0<\/p><p>1. Introduction<\/p><p>\u00a0<\/p><p>The Interface RS232 enables you to connect your TC2068, TC2048, or ZX Spectrum computer, to a serial printer, enabling you to use the qualities of that kind of printer.<br \/><strong style=\"font-family: Arial; font-size: large; font-style: normal;\"><br \/>2. Install<\/strong><\/p><p><strong style=\"font-family: Arial; font-size: large; font-style: normal;\">\u00a0<\/strong><\/p><p>Here you must have:<br \/>-TC2068 (*), TC2048 or ZX Spectrum<br \/>-TV or composite monitor<br \/>-Timex 2080 printer<br \/>-RS232 cable<br \/>-Tape recorder<br \/>-Tape with RS232 software<\/p><p><strong style=\"font-family: Arial; font-size: large; font-style: normal;\">\u00a0<\/strong><\/p><p>(*) by using TC2068, you must use the Spectrum emulator cartridge or the Time Word word processor cartridge.<\/p><p><strong style=\"font-family: Arial; font-size: large; font-style: normal;\">\u00a0<\/strong><\/p><p>Now you must do:<br \/>1\u00ba connect the computer as showed in the manual<br \/>2\u00ba connect the Interface RS232 to the edge connector of your computer<br \/>3\u00ba connect\u00a0 the RS232 cable to the printer and the Interface RS232<br \/>4\u00ba configure the printer, using the printer manual to:<br \/>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1200 baud<br \/>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 No parity<br \/>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1 Stop bit<br \/>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 CR+LF<br \/>5\u00ba turn on the printer and last the computer<br \/>6\u00ba LOAD the program that is in RS232 tape with:<br \/>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 LOAD &#8220;RS232&#8221;<\/p><p>Note: This program has auto-start.<\/p><p>Now you must certify that the routine is functioning properly. For that, start to put your printer online and then type the following instruction:<\/p><p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 PRINT #7;&#8221;test&#8221;<\/p><p>the printer should respond by printing the word test on the paper.<\/p><p>\u00a0<\/p><p>3. How to use the RS232 Interface<\/p><p>3.1 For the user in Basic<\/p><p>\u00a0<\/p><p>After LOADing the program, it puts in de address 65100, being protected from any basic program.<br \/>Warning: When using the NEW command, you must type RANDOMIZE USR 65100 to initialize the printing routine.<\/p><p>For the user to use the Interface RS232 very easily it is established a way of communication very simple.<br \/>This way channel 7 was associated with the Interface RS232 to communicate with the printer. Just use instructions directed to channel 7 with #7.<\/p><p>\u00a0<\/p><p>3.1.1 Direct commands do the printer:<\/p><p>\u00a0<\/p><p>PRINT #7;&#8221;test&#8221;<br \/>PRINT #7;&#8221;test&#8221;; TAB 1;&#8221;test&#8221;<br \/>PRINT #7;A$<br \/><strong style=\"font-family: Arial; font-size: large; font-style: normal;\"><br \/>3.1.2 Commands to list programs<\/strong><\/p><p><strong style=\"font-family: Arial; font-size: large; font-style: normal;\">\u00a0<\/strong><\/p><p>LIST #7<br \/>LIST #7,100<\/p><p>\u00a0<\/p><p>3.1.3 Adapting the printing routine to a program<\/p><p>\u00a0<\/p><p>To include the printing routine using the Interface RS232, in a basic program, is necessary to include this instructions in the main program:<\/p><p>CLEAR 65099<br \/>LOAD &#8220;RS232.OBJ&#8221; CODE 65100<br \/>RANDOMIZE USR 65100<\/p><p>These instructions reserve space for the machine code routines and start channel #7.<\/p><p>\u00a0<\/p><p>3.2 For the user in machine code<\/p><p>\u00a0<\/p><p>The programmer can use directly the routines, in the same way as other channels. For that, just:<\/p><p>LD\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 A,07 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ;channel 7<br \/>CALL\u00a0\u00a0\u00a0 1601H\u00a0 \u00a0 \u00a0 \u00a0 \u00a0;open the channel<br \/>LD\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 A,&#8221;A&#8221; \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ;send character &#8220;A&#8221;<br \/>RST\u00a0\u00a0\u00a0\u00a0\u00a0 10H\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0;to current channel<br \/>RET<\/p><p>In the above example, the sequence sends character &#8220;A&#8221; to the printer and then it returns to the main program.<br \/>When you want to use the printer in graphic mode, you must call it directly. You can do it, for example:<\/p><p>LD\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 A,0FEH\u00a0 \u00a0 \u00a0 \u00a0 ;byte 0FEH<br \/>CALL\u00a0 \u00a0 FE72H\u00a0 \u00a0 \u00a0 \u00a0 \u00a0;send the byte to the interface<br \/>RET\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 ; return to the main program<\/p><p>To send more bytes through the Interface RS232, you can use a identical program:<\/p><p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0LD \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 HL,buffer\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 ;address of the text<br \/>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0LD \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B,bufend-buffer\u00a0 \u00a0 \u00a0 ;size of the text<br \/>LOOP\u00a0\u00a0\u00a0\u00a0 PUSH\u00a0\u00a0 BC<br \/>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0LD \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 A,(HL)<br \/>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0CALL \u00a0\u00a0 FE72H\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0;send the character<br \/>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0POP \u00a0\u00a0\u00a0\u00a0 BC<br \/>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0INC\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 HL<br \/>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0DJNZ \u00a0\u00a0 LOOP\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 ;last character?<br \/>buffer\u00a0 \u00a0 \u00a0 DEFM\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0;&#8221;printer test&#8221;<br \/>bufend\u00a0 \u00a0 EQU\u00a0\u00a0\u00a0\u00a0 $<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cf2f83f elementor-widget elementor-widget-spacer\" data-id=\"cf2f83f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\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-454c18d elementor-widget elementor-widget-spacer\" data-id=\"454c18d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8086521 elementor-widget elementor-widget-html\" data-id=\"8086521\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<a class=\"top-link hide\" href=\"\" id=\"js-top\">\r\n  <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 12 6\"><path d=\"M12 6H0l6-6z\"\/><\/svg>\r\n  <span class=\"screen-reader-text\">Back to top<\/span>\r\n<\/a>\r\n\r\n<style>\r\n\r\n\r\n.intro-copy {\r\n  padding: 1em;\r\n  margin: 50vh auto;\r\n  max-width: 15em;\r\n  font-family: Helvetica;\r\n  font-weight: lighter;\r\n  font-size: 2em;\r\n  line-height: 1.2;\r\n  text-align: center;\r\n}\r\n\r\n.top-link {\r\n    z-index: 99999;\r\n  transition: all .25s ease-in-out;\r\n  position: fixed;\r\n  bottom: 0;\r\n  right: 0;\r\n  display: inline-flex;\r\n  cursor: pointer;\r\n  align-items: center;\r\n  justify-content: center;\r\n  margin: 0 3em 3em 0;\r\n  border-radius: 50%;\r\n  padding: .25em;\r\n  width: 50px;\r\n  height: 50px;\r\n  background-color: #F8F8F8;\r\n}\r\n.top-link.show {\r\n  visibility: visible;\r\n  opacity: 1;\r\n}\r\n.top-link.hide {\r\n  visibility: hidden;\r\n  opacity: 0;\r\n}\r\n.top-link svg {\r\n  fill: #000;\r\n  width: 24px;\r\n  height: 12px;\r\n}\r\n.top-link:hover {\r\n  background-color: #E8E8E8;\r\n}\r\n.top-link:hover svg {\r\n  fill: #000000;\r\n}\r\n\r\n.screen-reader-text {\r\n  position: absolute;\r\n  clip-path: inset(50%);\r\n  margin: -1px;\r\n  border: 0;\r\n  padding: 0;\r\n  width: 1px;\r\n  height: 1px;\r\n  overflow: hidden;\r\n  word-wrap: normal !important;\r\n  clip: rect(1px, 1px, 1px, 1px);\r\n}\r\n.screen-reader-text:focus {\r\n  display: block;\r\n  top: 5px;\r\n  left: 5px;\r\n  z-index: 100000;\r\n  clip-path: none;\r\n  background-color: #eee;\r\n  padding: 15px 23px 14px;\r\n  width: auto;\r\n  height: auto;\r\n  text-decoration: none;\r\n  line-height: normal;\r\n  color: #444;\r\n  font-size: 1em;\r\n  clip: auto !important;\r\n}\r\n<\/style>\r\n\r\n<script>\r\n    \/\/ Set a variable for our button element.\r\nconst scrollToTopButton = document.getElementById('js-top');\r\n\r\n\/\/ Let's set up a function that shows our scroll-to-top button if we scroll beyond the height of the initial window.\r\nconst scrollFunc = () => {\r\n  \/\/ Get the current scroll value\r\n  let y = window.scrollY;\r\n  \r\n  \/\/ If the scroll value is greater than the window height, let's add a class to the scroll-to-top button to show it!\r\n  if (y > 0) {\r\n    scrollToTopButton.className = \"top-link show\";\r\n  } else {\r\n    scrollToTopButton.className = \"top-link hide\";\r\n  }\r\n};\r\n\r\nwindow.addEventListener(\"scroll\", scrollFunc);\r\n\r\nconst scrollToTop = () => {\r\n  \/\/ Let's set a variable for the number of pixels we are from the top of the document.\r\n  const c = document.documentElement.scrollTop || document.body.scrollTop;\r\n  \r\n  \/\/ If that number is greater than 0, we'll scroll back to 0, or the top of the document.\r\n  \/\/ We'll also animate that scroll with requestAnimationFrame:\r\n  \/\/ https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/API\/window\/requestAnimationFrame\r\n  if (c > 0) {\r\n    window.requestAnimationFrame(scrollToTop);\r\n    \/\/ ScrollTo takes an x and a y coordinate.\r\n    \/\/ Increase the '10' value to get a smoother\/slower scroll!\r\n    window.scrollTo(0, c - c \/ 10);\r\n  }\r\n};\r\n\r\n\/\/ When the button is clicked, run our ScrolltoTop function above!\r\nscrollToTopButton.onclick = function(e) {\r\n  e.preventDefault();\r\n  scrollToTop();\r\n}\r\n<\/script>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c5c47a0 elementor-widget elementor-widget-spacer\" data-id=\"c5c47a0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\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>\n\t\t","protected":false},"excerpt":{"rendered":"<p>RS232 Online User Manual Timex Computer Interface RS232(C) Copyright of TMX Portugal, Lda. \u00a0 1. Introduction \u00a0 The Interface RS232 enables you to connect your TC2068, TC2048, or ZX Spectrum computer, to a serial printer, enabling you to use the qualities of that kind of printer.2. 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