Discover and read the best of Twitter Threads about #hauntological
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Passion project time! I love the HP-45 #calculator. It's beautiful on the outside, but I wanted to show people that it's beautiful on the inside, too. So, as a #coding & #retrocomputing challenge I wrote a simulator, & I'm now making it available to all. (Retweets welcomed.) 1/7 
The simulator was designed for the Z80-MBC2, a computer designed by @Just4Fun_J4Fun with a #Z80 processor running CP/M. (If you like #retrocomputing, do try it.) But after some tedious wrangling, I was able to write code which also compiled for Windows, Linux & MacOS. 2/7
I like the sense of retro-tech and (unfulfilled) futures which the terminal application provides: it's a #hauntological calculator. It's also flexible: you can change what's shown on the display &, for slower machines (say, an 8MHz Z80), you can run in minimal mode for speed. 3/7
