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mdeverhart's latest activity
M
mdeverhart
replied to the thread
Cloning the IWM (sort of)
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Can you post the code for the clock generator? I’m happy to look on GitHub too if you want to post the code there.
Jun 7, 2025
M
mdeverhart
replied to the thread
Cloning the IWM (sort of)
.
Instead of handling the tri-state in each module, try only handling it at the top level right before the chip IO. Each module will have...
Jun 6, 2025
M
mdeverhart
replied to the thread
Cloning the IWM (sort of)
.
Can you post a small code snippet somewhere? Is the tristate/bidir code constrained to the very edge of the design at the IOs?
Jun 6, 2025
M
mdeverhart
replied to the thread
Cloning the IWM (sort of)
.
Awesome! I might have stumbled on that earlier when I was looking at one of your other projects, but I’d forgotten it. Thanks!
Jun 3, 2025
M
mdeverhart
replied to the thread
Cloning the IWM (sort of)
.
If you’re seeing sharp pulses that line up with the edges of adjacent signals - yep, that’s the problem. It would be a great service to...
Jun 3, 2025
M
mdeverhart
replied to the thread
Duo 250 - Original caps (or not)?
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It’s been recapped - the original solder would have been much cleaner than that. They also replaced the cap at C36 (top of your picture)...
May 31, 2025
M
mdeverhart
replied to the thread
My Performa 400 (LCII) just died :-( !
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That’s actually how Apple’s service documentation recommended doing it, so that the dangling leg could be moved over and resoldered if...
May 26, 2025
M
mdeverhart
replied to the thread
Cloning the IWM (sort of)
.
Thanks. I knew they were bad about that, but I hadn’t considered grabbing a copy for this purpose, and I hadn’t looked into the MAX7000...
May 24, 2025
M
mdeverhart
replied to the thread
Cloning the IWM (sort of)
.
Congrats! Verilog is definitely a good tool to have in the toolbox. Good to know! I haven’t done any CPLD designs for Classic Mac...
May 24, 2025
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