Frequent BMOW readers have doubtless noticed the lack of project progress lately. I could claim I’ve been trapped under a piece of heavy furniture, but the truth is I’ve been procrastinating while trying to set a new course for my…
After months of procrastination, I finally assembled the Floppy Emu board and began work on the firmware modifications this week. So far, so good! Despite being out of practice with soldering, the assembly went smoothly, and the board checked out…
Last October, Plus Too first booted successfully into the Macintosh Finder. Ever since then, it’s exhibited an intermittent mouse freezing bug. The FPGA Mac replica runs normally for a few minutes, during which the mouse works normally, and it’s possible to exercise menus, run…
Mark McDougall (tcdev) discovered what looks like a serious bug in the way Plus Too handles interrupts. It appears my design causes the 68000 CPU to use the wrong interrupt handler vector! How it could work at all under those…
It took longer than I’d expected, but all the parts needed to build three Floppy Emus have finally arrived! That’s three custom-made circuit boards from Dorkbot PDX, plus the SD card sockets, CPLDs, AVRs, and a whole pile of buttons,…
Today I ordered the parts needed to build three Floppy Emu boards, the Macintosh floppy disk drive emulator. Everything should be here by next week, so I can start building! In these small quantities, the total cost for the parts…
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