I wouldn't have given a nickel for their stock: Visiting Apple in 1976

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A guest posting from William Fine: I saw the "Jobs" movie yesterday and it revived some ancient memories of my dealings with Jobs...

Simulating a TI calculator with crazy 11-bit opcodes

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I've built a register-level simulator of a 1974 TI calculator chip that shows what actually happens inside a calculator when you perform...
8 comments:

Reverse-engineering the 8085's ALU and its hidden registers

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This article describes how the ALU of the 8085 microprocessor works and how it interacts with the rest of the chip, based on reverse-engine...
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Four Rigol oscilloscope hacks with Python

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A Rigol oscilloscope has a USB output, allowing you to control it with a computer and and perform additional processing externally. I was i...
20 comments:

Reverse-engineering the flag circuits in the 8085 processor

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Processors all have status flags to keep track of conditions such as a zero value, a carry, or a negative value. Whenever you write a loop o...
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Twelve tips for using the Rigol DS1052E Oscilloscope

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In this article I share a few tips I've learned about using the Rigol DS1052E oscilloscope. The Rigol DS1052E digital oscilloscope....
14 comments:

The Mili universal car/wall USB charger, tested in the lab

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I received a Mili universal USB charger for review from Mobile Fun . This interesting charger has some features that make it my current fa...
3 comments: