Articles by Mike Willegal

Check out my youtube channel for a demonstration. I also put together a webpage describing how an Apple II controls the switches. …

I’ve been putting more video’s up on my youtube channel. The latest is a demo of my Macintosh 128K. If you are interested in the history of Macintosh computers, take a look. I also added a web page with a pretty detailed description of the hardware that I have used …

I have spent a considerable amount of time over the last couple of months restoring a very flakey Apple II plus motherboard to something approaching reliable operation. I expect that over the next few weeks, some final testing and debugging will resolve any possible remaining issues and I will be …

I’m restoring a very early Apple II plus in order to sell. I believe that this particular unit is a very unusual example of an Apple II plus, as it has the second style keyboard with “domed” power light. Apple II Keyboard Domed Power Light The bulb in …

I had to create this to debug a Apple IIc alternate memory bank issue. The source has been added to my 6502 memtest page. In the next day or so, I’ll be adding a youtube video to my channel showing the repair (but not the diagnosis). …

The first video is an Apple IIc demo. Once I’m convinced it is 100% working, I’ll be listing this machine on eBay. I’ll be demoing other machines in the future. I’m starting with some machines I need to move out, since I need the space for future activities. Eventually I’ll …

You can download this story from my new feature story web page. As well documented as the Apple 1 is, this story contains a few tidbits that haven’t been published before. Going forward, I hope to add a new story to this page every month or two. These stories are …

I just ran across this old image that was used to make a poster for the first VCF that I had an exhibit at. Based on the date on the files, it looks like the poster was designed in 2008. Apple ][ replica poster The main thing that …

Quite a while ago, Wendell Sander sent me an example of his Apple 1/Apple ][ compatible keyboard design. Over the past couple of years, I’ve used it with my SCELBI as it can also be connected to a SCELBI keyboard interface. I didn’t have an enclosure, but had it mounted …

Back in 2015, I partially described how I used an early Apple serial card in an Apple ][ to provide a “glass” TTY emulation in order to check out some of my SCELBI software and interfaces. Since I don’t have a real TTY, I always had to set up the …