The MOS Technology 6502 is a microprocessor which casts a long shadow over the world of computing. Many of you will know it as the beating heart of so many famous 8-bit machines from the likes of ...

I miss my friend Dave DiOrio. He was a chip designer in the 1980’s, which made him one of the true wizards back then. We met my first day when I started at Commodore Business Machines, though my ...

Designed in the 1970s by electrical engineer Chuck Peddle and his team for MOS Technology, the 8-bit MOS 6502 ran at 1-2 MHz and packed 3,510 transistors. As the most affordable chip of its kind, it ...