Category Archives: MOS Technology

A CIA In 74HCT

If you owned a classic Commodore home computer you might not have known it at the time, but it would have contained a versatile integrated circuit called the MOS6526. This so-called CIA chip, for Complex Interface Adaptor, contained parallel and serial ports, timers, and a time-of-day counter. Like so many …read more

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Posted in 6526, cia, commodore, MOS Technology, retrocomputing | Leave a comment

Hackaday Links: August 5, 2018

Here’s something of historical interest. The daughter of Terry Holdt, project manager for the 6502, cleaned out a garage and found shelves full of MOS Technology binders, test results, notes, instructions for processes, letters to customers, and datasheets full of errata. Some of these documents have been posted on Twitter, and efforts are underway to collect, scan, upload, and preserve them. In the distance, a man in a fabulous suit is screaming, ‘donate them to the Internet Archive’.

This is a link to Defcad, the repository of 3D printable files for weapons. Under an agreement with the US Department of …read more

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Posted in DEFCAD, government auction, Hackaday Columns, Hackaday links, MOS, MOS Technology, printrbot | Leave a comment