Ken Shirriff's blog

In this article, I show how overflow is computed in the 6502 microprocessor at the transistor and silicon level. I've discussed the mat...

The overflow flag on the 6502 processor is a source of myth and confusion. In this article, I explain signed and unsigned binary arithmetic...

Have you ever wanted to write a program when the only computer available is your phone? You can use an Android phone to write and run Jav...

In this article I tear down a 4-port USB charger of puzzling origin. This charger is a huge step above the $2 counterfeit chargers I examine...

Recently StackOverflow and Hacker News discussed the question of how to sort 1 million 8-digit numbers in 1 megabyte of RAM. This reminde...

This tutorial describes how to create a custom schematic symbol in the CadSoft Eagle editor . It assumes that you have some familiarity with...