News

  • Writing to CoCoIOr

    Some details of my messing around with the CoCoIOr EEPROM (ROM) on a CoCo2. We are almost certainly doing it wrong, this is simply what I've run ac...
  • It Is ALIVE!!!

    CoCoIO is fixed!!! Per the front page, we’ll send a jed file, a chip, or exchange the whole thing. If you don’t get an email soon, let us know. Now...
  • To the Web!

    We've been messing with a beta version network card for a few years now. Finally, more complex parts are coming back online and we can actually mak...
  • From my booth: CoCoFest 2023

    Carol Stream is west of Chicago proper. Leaving, we found I64 right there, heading west thru the Timber Ridge Forestry Preserve and past the Fox Ri...
  • It's all about codez

    Hardware isn't much by itself. It's great to have folks working on major utilities like drivewire, and it's fun to know online games are being poked at. But what's here now?
  • CoCoIO Again Some More

    The softwareball is rolling!
  • 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...