{"product_id":"rgbtohdmi-rgb2hdmi-rgb-ttl-to-mda-hercules-cga-ega-to-hdmi-hd-video-converter","title":"RGBtoHDMI RGB2HDMI RGB TTL to MDA Hercules CGA EGA to HDMI HD Video Converter","description":"\u003ch3 data-path-to-node=\"2\"\u003e\u003cb data-path-to-node=\"2\" data-index-in-node=\"0\"\u003eFeatures\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"3\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,0,0\"\u003eThe product is brand new and has pixel perfect output, it looks like an emulator output.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,1,0\"\u003eIt supports CGA, EGA, MDA, and Hercules graphics input\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,2,0\"\u003eHDMI output at full HD 1920x1080p (goes up to 2560 x 1440)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,3,0\"\u003eEnglish on screen menu\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,4,0\"\u003eNo frame drops, repeats or tears\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,5,0\"\u003eVery low lag (4ms)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,6,0\"\u003eEasy to select from many computer profiles (see list below)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,7,0\"\u003eOptional scanlines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,8,0\"\u003eOpen hardware, open source!\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"4\"\u003e\n\u003cp data-path-to-node=\"5\"\u003eThis board comes with cabling for \u003cb data-path-to-node=\"5\" data-index-in-node=\"34\"\u003eMDA, CGA, or EGA (db9)\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003eHowever, the board supports many classic computers, just make a cable for your system (if you are familiar with this project, this is the list for digital output. If you wish to use analog output, I will have an auction for an analog adapter system in the future. Again, this auction is for digital systems like IBM PC CGA or EGA)\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eRGBtoHDMI will support:\u003c\/b\u003e Acorn Atom, Acorn Electron, Acorn Teletext, Amiga, Apple IIc (digital interface), Apple IIe (digital interface internal pickup), Apple iiGS, Aquarius, Atari ST, Atmos, BBC Master, BBC Micro, BBC NuLA, Camputers Lynx, Colour Genie, Communicator, Commodore 128 (80 column), IBM PC and compatibles (MDA\/CGA\/EGA), Olivetti Prodest PC1, Oric 1, Laser 128, Macintosh 128, SE, Classic, Master 128, RML 480Z, Sam Coupe, Sinclair QL, Spectrum 128 or +2, Tandy 1000 and many more...\u003c\/p\u003e\n\u003chr data-path-to-node=\"8\"\u003e\n\u003ch3 data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003eTechnical Overview\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"10\" id=\"p-rc_25de24e2434cb73b-57\"\u003e\u003cspan class=\"citation-274\"\u003e\u003c\/span\u003e\u003cspan class=\"citation-274 citation-275 citation-end-275\"\u003eThe RGBtoHDMI interface converts the \"digital\" RGB video signal from vintage computers like the BBC Micro or PC MDA\/CGA\/EGA to HDMI or DVI compatible with most modern TVs\/Monitors. The interface comprises a Raspberry Pi Zero and a specially designed Hat containing a small CPLD. Custom firmwar\u003csup class=\"superscript\" data-turn-source-index=\"1\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan class=\"citation-274 citation-end-274\"\u003ee on the Raspberry Pi, in conjunction with the CPLD, is able to correctly sample each of the supported video modes to give a pixel-perfect rendition. The HDMI output is locke\u003csup class=\"superscript\" data-turn-source-index=\"2\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003ed to the input so there are no frame drops, repeats or tears and it also has low lag of around 4 milliseconds (less than a quarter of a frame.\u003c\/p\u003e\n\u003cdiv class=\"source-inline-chip-container ng-star-inserted\"\u003e\n\u003c!----\u003e\u003c!----\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp data-path-to-node=\"11\" id=\"p-rc_25de24e2434cb73b-58\"\u003e\u003cspan class=\"citation-272\"\u003e\u003c\/span\u003e\u003cspan class=\"citation-272 citation-273 citation-end-273\"\u003eOne unusual feature of the converter is optional integer scaling where one original pixel on the computer is scaled to an exact number of lcd pixels without using any interpolation filtering. This results in the low re\u003csup class=\"superscript\" data-turn-source-index=\"3\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan class=\"citation-272 citation-end-272\"\u003esolution output from real hardware looking as clean and sharp as sources output at the native resolution of the lc\u003csup class=\"superscript\" data-turn-source-index=\"4\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003ed.\u003c\/p\u003e\n\u003cdiv class=\"source-inline-chip-container ng-star-inserted\"\u003e\n\u003c!----\u003e\u003c!----\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr data-path-to-node=\"12\"\u003e\n\u003ch3 data-path-to-node=\"13\"\u003e\u003cb data-path-to-node=\"13\" data-index-in-node=\"0\"\u003ePacking includes:\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"14\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,0,0\"\u003e\u003cb data-path-to-node=\"14,0,0\" data-index-in-node=\"0\"\u003e1 x HD Video Output Converter Board (PC)\u003c\/b\u003e (includes the raspberry pi zero)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,1,0\"\u003e\u003cb data-path-to-node=\"14,1,0\" data-index-in-node=\"0\"\u003eIncludes DB9 ribbon connector\u003c\/b\u003e for connection to Tandy 1000, IBM PC, or any CGA, EGA, MDA, or Hercules output.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,2,0\"\u003e\u003cb data-path-to-node=\"14,2,0\" data-index-in-node=\"0\"\u003eSD Card\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,3,0\"\u003e\u003cb data-path-to-node=\"14,3,0\" data-index-in-node=\"0\"\u003e5V Micro USB Power Adapter\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,4,0\"\u003e\u003cb data-path-to-node=\"14,4,0\" data-index-in-node=\"0\"\u003eOutput from the PiZero is on miniHDMI\u003c\/b\u003e, so I am also including a miniHDMI to HDMI adapter. All you will need to supply is a regular HDMI cable to connect to your TV\/monitor.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"15\"\u003e\u003cb data-path-to-node=\"15\" data-index-in-node=\"0\"\u003eAttributions:\u003c\/b\u003e License under the GPL 3.0, this is open source hardware and files can be found on github hoglet67.\u003c\/p\u003e","brand":"Retro Powerhouse","offers":[{"title":"Default Title","offer_id":42672075112544,"sku":null,"price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/1934\/2944\/files\/rgb_1.webp?v=1774989309","url":"https:\/\/retropowerhouse.com\/products\/rgbtohdmi-rgb2hdmi-rgb-ttl-to-mda-hercules-cga-ega-to-hdmi-hd-video-converter","provider":"Retro Powerhouse","version":"1.0","type":"link"}