I recently watched a new documentary about the Amiga years: From Bedrooms to Billions. It’s a $5 Vimeo rental that will be fascinating for anyone who lived through the 1980’s home computer revolution, or who’s interested in retro-computing technology. I…
Say hello to a new retro-computing gizmo – the Mac ROM-inator II! It will supercharge your vintage Macintosh II series or SE/30 computer, by replacing the stock ROM with a programmable flash memory module. Add a bootable ROM disk, change…
Good news for BMOW fans from outside the United States: international shipping costs for most orders should now be substantially lower than before. I wrote about the pain of international shipping costs a few weeks ago, and ever since then…
Data compression is fun! I’ve written a new compression scheme that’s designed to be as fast as possible to decompress on a 68K CPU, while still maintaining a decent compression density. I’m calling it FC8, and you can get the…
Are you a 68K assembly language guru, or just good at optimizing code? I’m working on a project that’s a replacement ROM for old 68K-based Macintosh computers, part of which involves decompressing a ~5MB disk image from ROM into RAM…
Capacitors don’t last forever – an unfortunate fact of life for those who collect vintage electronics. The common electrolytic capacitor is one of the most problematic. It’s the type that looks like a little metal can, and after a couple…
I’m planning to do a partial capacitor replacement on the power supply of my old Macintosh IIsi computer. After 25+ years, these capacitors aren’t in the best condition, and the PSU doesn’t work correctly anymore. When plugged in, it makes…
This must be a record for the number of times I’ve posted about a project, without actually building the project, or even a half-way working prototype. I’m still fleshing out my ideas for a USB-to-ADB keyboard/mouse adapter for vintage Macintosh…
While I’ve been working on my USB-to-ADB converter with a PIC32, I’ve received a steady barrage of feedback saying I ought to consider an ARM Cortex-M microcontroller instead. There are several reasons I haven’t done that, but one of the…
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