Microchess
Holy cow, BMOW runs actual software! In this case it’s Microchess, a 1 kilobyte marvel from 1976. Here it is, showing the first few moves of the Giuco Piano opening: The two-letter code for each piece indicates the color and…
Steve
Everything But The Kitchen VSYNC
I’ve decided to do whatever it takes to fix the VSYNC problem with BMOW’s video, and right now it looks like that means ripping out and redesigning a decent portion of the video address circuitry. Things are fine when displaying…
Debugging
Holy cow, this thing is riddled with bugs! I started trying to address some of the bugs described in the Boot Logo posting, with mostly positive results. Some problems turned out to be hardware issues, some were in the software,…
Odd Problems
Odd problems– are there any other kind? I did more work on BMOW today, after a few weeks focusing my attention elsewhere. Wow, there are a lot of strange problems going on. Without having changed a thing from my previous…
Boot Logo Needed!
I’ve made some additions to the ROM-based boot loader, so BMOW now has a proper boot logo paired with cool yet useless system diagnostics. All it needs now is a groovy start-up sound, and it will be a proper retro-80’s…
Putting It All Together
I’ve reached an exciting point in the evolution of BMOW. All of the individual bits of technology that I’ve built are now coming together, and rather than a proof-of-concept of keyboard or USB or video functions, I actually have a…
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