Ken Shirriff's blog

Computer history, restoring vintage computers, IC reverse engineering, and whatever

The stack circuitry of the Intel 8087 floating point chip, reverse-engineered

›
Early microprocessors were very slow when operating with floating-point numbers. But in 1980, Intel introduced the 8087 floating-point copro...
3 comments:

Unusual circuits in the Intel 386's standard cell logic

›
I've been studying the standard cell circuitry in the Intel 386 processor recently. The 386, introduced in 1985, was Intel's most co...
9 comments:

Solving the NYTimes Pips puzzle with a constraint solver

›
The New York Times recently introduced a new daily puzzle called Pips . You place a set of dominoes on a grid, satisfying various condition...
6 comments:

A Navajo weaving of an integrated circuit: the 555 timer

›
The noted Diné (Navajo) weaver Marilou Schultz recently completed an intricate weaving composed of thick white lines on a black background, ...
7 comments:

Why do people keep writing about the imaginary compound Cr2Gr2Te6?

›
I was reading the latest issue of the journal Science , and a paper mentioned the compound Cr 2 Gr 2 Te 6 . For a moment, I thought my knowl...
13 comments:
›
Home
View web version
Powered by Blogger.