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Recent content by impressionist

  1. I

    Classic Mac OS will survive Y2038 (and maybe longer)

    I'm quite enjoying learning about Mac system internals and taking apart small apps as I study towards being able to tackle bigger parts of the system. My original idea of using Retro68 as the final compiler probably won't work, but Retro68 happily compiles C89 and has similar Pascal...
  2. I

    Reverse-Engineered ROM sources for Mac 128K, 512K and Plus

    This is quite interesting. I'm taking small steps towards a related goal, decompiling and documenting the system software as a stepping stone to a source-buildable codebase based on 7.5.5 with longevity-related modifications (primarily date rollover and possibly IP networking stack). I would...
  3. I

    Classic Mac OS will survive Y2038 (and maybe longer)

    Somewhat annoyingly HFS+ went to 64 bits in a way that doesn't solve this problem. I'm not sure if it's better to directly change the format or shoehorn a sidecar in to hold wider dates while maintaining backwards readability (to a degree). The second path has the advantage of allowing...
  4. I

    Classic Mac OS will survive Y2038 (and maybe longer)

    After some investigation I believe beyond-2040 is challenging but feasible. I've been a Mac user since the black and white days and I continue to have a great fondness for the System 7 era, lurking here to read with some satisfaction the clever hacks people have come up with for those machines...
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