mdeverhart's latest activity

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    mdeverhart replied to the thread Cloning the IWM (sort of).
    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.
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    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...
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    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?
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    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!
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    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...
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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)...
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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...
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    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...
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    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...
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