How Hacker News ranking really works: scoring, controversy, and penalties

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The basic formula for Hacker News ranking has been known for years , but questions remained. Does the published code give the real algorithm...
15 comments:

The Z-80's 16-bit increment/decrement circuit reverse engineered

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The 8-bit Z-80 processor was very popular in the late 1970s and early 1980s, powering many personal computers such as the Osborne 1, TRS-80,...
13 comments:

The Z-80 has a 4-bit ALU. Here's how it works.

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The 8-bit Z-80 processor is famed for use in many early personal computers such the Osborne 1, TRS-80, and Sinclair ZX Spectrum, and it is s...
23 comments:

Intel x86 documentation has more pages than the 6502 has transistors

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Microprocessors have become immensely more complex thanks to Moore's Law, but one thing that has been lost is the ability to fully under...
6 comments:

Reverse-engineering the Z-80: the silicon for two interesting gates explained

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I've been reverse-engineering the Z-80 processor, using images from the Visual 6502 team. One interesting thing about the Z-80's s...
4 comments:

9 Hacker News comments I'm tired of seeing

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As a long-time reader of Hacker News, I keep seeing some comments they don't really contribute to the conversation. Since the discussio...
42 comments:

Reverse-engineering the 8085's decimal adjust circuitry

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In this post I reverse-engineer and describe the simple decimal adjust circuit in the 8085 microprocessor. Binary-coded decimal arithmetic ...
2 comments: