https://www.retrowatch.co/wiki/ 2026-04-15T00:22:59+00:00 https://www.retrowatch.co/wiki/ https://www.retrowatch.co/wiki/lib/tpl/dokuwiki/images/favicon.ico text/html 2021-07-19T17:26:22+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.retrowatch.co/wiki/doku.php?id=default_gpu&rev=1626729982&do=diff These are just development notes for now... Resolution 240×240 Pixel Clock: 7,017,840 Hz Pixel clock calculation notes GPU pixel clock. 28,071,360 Hz Each horizontal line consists of 102 inactive pixels clocks (the H Blank) followed by 240 active pixels. After 240 horizontal lines there 102 inactive lines (the V Blank). text/html 2021-07-19T16:39:32+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.retrowatch.co/wiki/doku.php?id=developer_portal&rev=1626727172&do=diff Philosophy: Ease of development is a key component of this endeavor. We have 20+ years of experience supporting game developers for console systems and having easy to use tools, accessible tutorials, responsive forums, and well written libraries are absolutely critical to our vision for this product. Please do not hesitate to ask noob questions in the forum, make feature requests, or provide support by contributing code, tutorials, answers, or tools to the ecosystem. text/html 2021-11-17T14:30:33+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.retrowatch.co/wiki/doku.php?id=first_fpga_demo&rev=1637177433&do=diff Coming soon! Please visit the Efinix site for tutorials and general getting started advice! Exfinix text/html 2021-11-17T14:02:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.retrowatch.co/wiki/doku.php?id=getting_started&rev=1637175745&do=diff Software Development: Install Tools First Demo: Framebuffer text/html 2021-11-17T15:05:19+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.retrowatch.co/wiki/doku.php?id=hardware&rev=1637179519&do=diff [Schematic] text/html 2021-11-17T15:08:16+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.retrowatch.co/wiki/doku.php?id=install_tools&rev=1637179696&do=diff While not strictly required, Visual Studio Code will be the official IDE used for software development on the Retro Watch. Visual Studio Code The next requirement is the SDK and tool chain for the Nordic NRF5340 processor running the watch. NRF Connect SDK Here is a good video tutorial on setting up the environment: text/html 2021-07-19T17:07:17+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.retrowatch.co/wiki/doku.php?id=pixel_clock_notes&rev=1626728837&do=diff We are going to do a 70/30 render/blank system at 60hz. 240/x = 70/100 => x = 240 * 30 / 70 = 342 pixels per pine, and 342 lines per frame. 240 pixles/lines active 102 pixels/lines blanked. This makes the dot clock 342*342*60 = 7,017,840 okay, each memory read is nominally 1 pixel but we have 4 layers so we need at least 28mhz clock text/html 2021-11-17T14:21:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.retrowatch.co/wiki/doku.php?id=start&rev=1637176887&do=diff Welcome to Retro Watch Company WiKi Forum Developer Portal (getting started) Hardware Design Main CPU: * Nordic nRF5340 128/64 MHz Arm Cortex-M33 application processor with 1 MB Flash & 512 KB RAM * 64 MHz Arm Cortex-M33 ultra low power network processor with 256 KB Flash & 64 KB RAM * Bluetooth Low Energy