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Author Archives: M. Eric Carr
The Old XOR Switcheroo
Swap two binary integers, without using a temporary variable. Not magic — XOR. Continue reading
Posted in Algorithms, Assembly, Coding, Digital, Math
Tagged algorithms, Boolean algebra, XOR, XOR swap
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Kilofarad
“Kilofarad” is not a word I thought I’d ever have an actual use for. And yet… Continue reading
Posted in Analog, Components, Electronics, Fundamentals, Mad Science, Reviews, Science, Toys
Tagged ampere, capacitance, capacitor, charge, coulomb, electronics, farad, joule, kilofarad, kilojoule, supercap, supercapacitor, ultracap, ultracapacitor
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Mini Museum: TRS-80 Model 200
The Tandy 200 — the Model 100’s larger brother. Continue reading
Posted in BASIC, Drexel, Mini Museum, Nostalgia, Tools
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Mini Museum: TRS-80 Model 100
The TRS-80 was one of the first “laptop” computers, and an amazing device for its time. Continue reading
Posted in BASIC, Drexel, Mini Museum, Nostalgia, Tools, Toys
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