I needed some time off from my main project right now, and I had this bug in my brain to try out some of this, so I did a thing.  It use...

So I thought I'd just make a quick post to show how I know that the ROM swap hardware in my RC2014/LL is working. I'll walk through...

The RetroChallenge is upon us again! This time around, I plan on working on my Z80 homebuilt computer, the RC2014.  ( Website for RC...

I decided that another experiment/lesson to do on my way to making my calculator app was to learn how to do multibyte math and possibly expe...

I got a little sidetracked while working on the KIM-Uno calculator, playing with video buffers. I had added a video buffer to the desktop K...

This was just a quick brainstorm that I'm trying to poke at with a pointy stick to see if I can make anything interesting happen with......

I'm about to start making the skeleton for my animatronic Tiki-Room Macaw.  Rather than futzing with drawing up detailed plans in some c...

As part of the Animatronic Avian project, I need to have a way for the controller software/computer to send synchronized data out through a...