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But the graphics card is probably also going considering it's repeating across the screen

So I wonder if something similar could be done with Mac ROMs

Yeah your graphics card in your MDD is probably dying. Some graphics cards die in such a way where a monitor still recognizes the signal as valid, but it doesn't look right to you and me. I'd try swapping it out if you can

620/630 roms probably also have FPU presence detection as well, as TattleTech apparently thinks the computer is a Quadra if a non-LC 040 is used

In your face, miggy nerds! Would be cool to see something like this be available for all non-PowerBook 68040 Macs, though I think that is a rather lofty goal

https://www.thingiverse.com/thing:7059373

Yes. When I recapped my LC III's logic board, I recapped it with Vishay Sprague capacitors, a really reputable brand, and they're still holding up today

yes, the iconic 7 ball

always recap power supplies on compacts and LCs

just use a period correct USB capture card

Agreed, it is my dream Macintosh

avoid cheap chinese brands. When I recapped my LC III, I used all tantalum capacitors for the logic board by Vishay Sprague, but electrolytics should work fine too. Also, don't forget to recap the power supply, use only electrolytics for the power supply. I had to have mine finished and fixed by...

I have too, cannot recommend him enough as he saved my LC III from a botched recapping job by yours truly and he does amazing recaps and repairs

Ah

That make sense

maybe this project could help pave the way in figuring out how the two halves of the TeraDrive interact?

rerouting the CPU calls to an external CPU

but where's the fun in that?

Well, one way I could make it useful is by using the Macintosh side as a development environment for Genesis games, you write the code on the mac side, and put it on a small SCSI disk that the FPGA makes readable to the genesis side

well, the 68000 and 010 have bus request lines, one where a peripheral can request the bus, and one where the 68000 or 010 responds "sure, I'm not doing anything", the FPGA will assert the bus request line, and wait for the 68010 to grant access, where it swaps the entire bus underneath the...