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  • Blog Post: What’s a computer without I/O? Hot Silicon At Best…

    [FYI: Matt Hellige’s excellent GoForth runs on this ] I’m completely astonished at how quickly a community has sprung up around Notch’s DCPU-16 . In the first 24 hours there were already tens of implementations in various languages ( including mine ). Now there’s a web-based IDE , a whole C compiler...
  • Blog Post: Notch is Gonna Outdo Himself!

    [Note: I/O has now been added ] My son is completely obsessed with Minecraft . It’s an amazing game and the way he plays it, it really nurtures extreme creativity. I honestly haven’t been able to get into it myself but I was pretty intrigued by the ComputerCraft mod which allows you to script the game...
  • Blog Post: 96 Line F# Emulator + 960 bytes of HP-35 Microcode

    [Part 3 of the HP Calc series ] In this post, we’ll create a 96-line F# emulator for the HP-35 calculator with which we’ll run the 960 byte (!) ROM image. As you may well know, I am a calculator freak. The 40-year-old HP-35 is an especially wonderful device; being the world’s...
  • Blog Post: Programming a 2000 Year Old Sandstone Computer

    [The eleventh in a series of posts on the evolution of TransForth ] If you think coding with punch cards is old school, you should try using sandstone tablets! Legend has it that members of the Cult of the Bound Variable designed and may have even constructed a city-sized machine powered by falling...
  • Blog Post: Microcode-level HP-35 Emulator (in JavaScript!)

    [Part 1 of the HP Calc series ] I recently started a super-geeky side hobby of collecting vintage calculators and got my hands on a pair of HP calcs. The more I learned about the internals of the devices, the more intrigued I was. Jacques Laporte has an absolutely wonderful site going into crazy...
  • Blog Post: TinyRPN Calculator

    It’s fun dorking around with the HP 41CX emulator on the iPhone. It’s a near-perfect rendition. I forgot how much I loved RPN calculators. The 48GX looks even more interesting with Reverse Polish Lisp but I haven’t figured out how to use it yet. The 41CX, on the other hand, is an old friend. :-) ...
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