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Monthly Archives: January 2004
Shoelaces
I recently learned that the reason I’ve had trouble all my life with keeping my shoelaces tied is that I was taught to do it incorrectly. There are two major steps to tying a standard shoelace bow, and each step … Continue reading
Posted in Attire
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Simulating HP-11C; dumping HP-32E ROM
Got the HP-11C firware working well enough in NSIM that it displays “Pr Error” at startup, which is what it’s supposed to do. Then pressing the ON key will get a “0.0000″ display. Nothing beyond that though. At least it’s … Continue reading
Posted in Calculators, Nonpareil
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Calculator ROM-sucker
I caught a cold from my roommate. I don’t want to give it to coworkers, and I don’t really feel up to going out anyhow. I can’t really work from home at the moment, so when I wasn’t feeling quite … Continue reading
Posted in Calculators, Hardware, Nonpareil
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The Elder Gods; Monster
I purchased the new book “The Elder Gods” (The Dreamers, Book 1) by David and Leigh Eddings last night at Borders. The Eddings’ have been my favorite fantasy authors ever since I read “Pawn of Prophecy” (book 1 of the … Continue reading
Posted in Books, Film, Science Fiction & Fantasy
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Non-rectangular windows with GTK+
I spent some time trying to figure out how to use the X shape extension to have the window shaped like the calculator. At first I tried loading a separate image mask bitmap, but later realized that it would be … Continue reading
Posted in Calculators, Nonpareil
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Typed in HP-01 microcode from patent
I’ve typed in the source and object code for a preproduction HP-01 calculator watch from U.S. Patent 4,158,285. I need to write a new assembler for it; the style of assembly code changed quite a bit compared to the first … Continue reading
Posted in Calculators, Nonpareil
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Reflection in C
Implementing reflection (otherwise known as a meta-object protocol) in C is no fun at all…
Posted in Nonpareil
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Typed in first half of HP-65 ROM source code from patent
I’ve typed in the partial HP-65 source code from U.S. patent 4,099,246. It’s only the first half of the code, unfortunately, so it won’t really do much good in CASMSIM until I can dump the remainder out of the real … Continue reading
Posted in Calculators, Nonpareil
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CASM slide switches
CASMSIM 0.19 finally has support for slide switches. This is currently necessary for the timer/program/run switch on the HP-55, but will also be needed for other models in the future. The switches shown on-screen are really ugly at the moment. … Continue reading
Posted in Calculators, Nonpareil
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CASMSIM now simulates HP-80
CASMSIM 0.17 adds simulation of the HP-80 financial calculator.
Posted in Calculators, Nonpareil
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