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  "title": "Zolatron 64: Writing an OS for a 6502 homebrew computer - Machina Speculatrix",
  "note": "What an incredibly geeky and delightful project this is. I fondly remember the [6502](https://en.wikipedia.org/wiki/MOS_Technology_6502) in the Apple II and Apple IIe. It was also in the Atari 2600 but I don't think I knew that back then. The Commodore 64 and the original Nintendo also had the 6502. So, you get the era we are talking about.\n\nWhat I really dig about this project is that he is actually bringing in some new concepts for the OS. \n\n> I’ve written before about how I’m using vectors (on memory page 2) to provide hooks allowing user programs in RAM to invoke OS commands in the ROM. I now have about 42 of these. Because I’ve given over all of page 2 to these vectors, and each is two bytes, I have room for 128, which should be enough.\n\nHow fun. 🤓",
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