68 Katy PCB, Dead on Arrival
A few weeks ago I designed a PCB for 68 Katy, and yesterday the boards arrived in the mail. While I had originally imagined the PCB version of 68 Katy would include all sorts of new and exciting features, what…
Year 2014
Rewritable ROM Disk for Mac Plus
Stuffing new technology into old hardware is fun. How about a bootable, rewritable ROM disk for a Macintosh Plus, using modern flash memory? Dream no more, the reality is here. 🙂 Using a small adapter board, the original ROM chips…
Emu Firmware 0.7: Performance Improvements
Firmware 0.7A-F14 improves write performance for HD20 emulation. With the old firmware, if you wrote a 1 MB file to the disk, it would do 2000 separate 512 byte writes to the SD card. SD cards really don’t like this!…
Eagle vs. KiCad Revisited
Four and a half years ago, I wrote a mini-review of Eagle vs. KiCad, two of the most popular software tools for hobbyists creating custom circuit boards. I concluded that while KiCad had lots of promise, it was too full…
Emu Firmware 0.6: Formatting the HD20
Firmware 0.6A-F14 now supports formatting the emulated HD20 disk from the Finder. This is handy for creating new hard disk images without the aid of programs like Mini vMac or Basilisk II. Just grab any random file of 100 MB…
Emu Firmware 0.5: Floppy and HD20 Combined!
Ta dah! I thought it couldn’t be done, but I used my hammer and tongs to smash HD20 emulation and floppy emulation into a single firmware version. No more re-flashing the board when you want to switch between emulation types;…
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