News

  • Keyfix - mylar keyboard replacement

    We don’t sell the Keyfix board preinstalled in a keyboard. I’d like to, maybe some kind of core exchange. But I need cores! If you have an electric...
  • CoCoIO Concentrated Errata

    This is the 'live' version of the pack in errata sheet that came with your CoCoIO. It's updated periodically, this is the 12/8/21 version. compatib...
  • CoCoIO Buffer math outline

    No matter what you do with CoCoIO, you'll be managing buffer addresses, based on a few hints from the WizNet chip. This includes starting and endin...
  • CoCoIO_net

    CoCoIO Networking This post summarizes parts of the W5100s datasheet and the Uthernet manual after translation to CoCo/6x09. You’ll want to grab th...
  • Multipak upgrade

    What does an MPI do, and why does it have to be upgraded? Back in the day, small computer systems addressed everything as RAM. Great theory, but si...