I had originally intended for any time I could devote this month to the 2019-03 Retro Challenge  was going to be for a new version of my RC2...

Coming soon... For the past couple evenings, I've been poking at controlling video playback programmatically... I was inspired by Ke...

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...

"The Treachery Of Pop Pixel Art" - Scott Lawrence, 4/30/17 Inspired by Andy Warhol and René Magritte's works As you might...

As you may know, I'm bigtime into Z80 computerey stuff.  For the past 20 years or so, I've been hacking Pac-Man ROMs, been mainta...

February 1st sees the end of RetroChallenge RC2016/1.  My entry for this month was to create a calculator for the Commodore/MOS KIM-1, b...

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 finished up my RLE (Run-Length Encoded) image renderer last night.  It would have been much simpler but there were a few things that I...

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...

I was recently working on a piece of test/demo code running on an Arduino that talked through a Seeed Studio Ethernet shield.  The standard...

Current Project State For this Summer's Retro Challenge (2015/7), I worked on a small widget that lets you use an Amiga mouse, Atari ...

As mentioned in the previous post about the hardware for my implementation of the KIM-UNO , some changes needed to be made to accommodate th...

One of the problems with Pac-Man, especially for home use, is that once a coin is dropped in, or you have it in Free Play mode, it will s...