Linked by Thom Holwerda on Tue 29th Jan 2013 02:17 UTC
Hardware, Embedded Systems "The arithmetic-logic unit is a fundamental part of any computer, performing addition, subtraction, and logic operations, but how it works is a mystery to many people. I've reverse-engineered the ALU circuit from the 8085 microprocessor and explain how it works. The 8085's ALU is a surprisingly complex circuit that at first looks like a mysterious jumble of gates, but it can be understood if you don't mind diving into some Boolean logic."
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RE[3]: Ok
by zima on Wed 30th Jan 2013 20:25 UTC in reply to "RE[2]: Ok"
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Am I the only one that misses the old days when we had so many choices in both CPUs and even in X86? We had so many choices, Motorola and PPC and Intel, AMD, WinChip, Cyrix, so many choices!

Yeah there were choices, but most (all?) of them much worse than today in performance per price...

And it seems you don't miss the old times that much yourself - you often write about the goodness that modern multicore x86 chips are.

Reply Parent Score: 2