Chuck Peddle, a key designer of the cheap MOS 6502 CPU that powered the first big wave of personal computers, like Commodore PET and Apple II, has died at 82
His invention brought digital technology to a new breed of consumer devices and powered early Apple and Commodore computers.
New York TimesCade Metz
Context & Ripple Effects
Chuck Peddle's death closes the loop on the hardware side of the 1977 breakout: his $25 MOS 6502 was the cheap brain inside both the Commodore PET and the Apple II, while John Roach's fully assembled TRS-80 completed that year's ready-to-run trio. Before price-cut silicon like the 6502, computing was minicomputer territory — the world Gordon Bell's PDP-8 work at DEC defined.
Apple and Commodore lose a living link to their founding hardware: the engineer whose $25 6502 made both the Apple II and PET commercially possible is no longer available as a firsthand source on how that machine came together.
Second-order effects
With Peddle, Thacker, Roach, and Tesler gone, archives and oral-history projects become the primary record of the 6502-era decisions — the burden of documenting the shift from Bell's minicomputers to consumer PCs moves from participants to institutions.
Third-order effects
If the pattern holds, the personal computer's origin story consolidates from scattered memoirs into a fixed canonical history, and the 6502's pricing playbook — commodity silicon enabling whole new device categories — stands as the era's most-cited structural lesson.
The trend: The first generation of personal-computing pioneers is passing from living practitioners into institutional memory, with each obituary narrowing direct access to the field's founding decisions.
On Dec 15th, we lost Chuck Peddle, the lead designer of the MOS 650x series microprocessor and the Commodore PET. His processor was the heart of the Atari 2600/5200/400/600/800, Apple II, NES, VIC-20, C-64, Kim-1, Master System, Lynx, BBC Micro, arcade games and so much more. RIP…
He and his colleagues created a low-cost microchip, and his company later built its own personal computer around it: the Commodore PET, which sold for $495. That, a former associate said, was “when the personal computer market really took off.” https://www.nytimes.com/...
Wrote 6502 assembler on the Nintendo way back in 88. It also powered the awesome BBC micro, commodore 64 and vic 20. Rip Chuck Peddle. What a legacy! https://twitter.com/...
RIP Chuck Peddle, designer of the MOS Technologies 6502 microprocessor, the workhorse of early personal computers. My first three computers were powered by the 6502 (Synertec SYM-1, Ohio Scientific C2/4P, and Commodore 64).... https://wdc65xx.com/...
Chuck Peddle designed the MOS 6502 processor that ran my first computer - the Commodore VIC-20. Its successor, the 6510, is what keeps the #C64 running. Sadly, Chuck passed away on December 15 2019. A two minute NOP loop will be executed in rememberance. https://wdc65xx.com/...
Another pioneer of the microprocessor era, Dan Dobberpuhl, who chaired the board of @IntelMovidius, also died earlier this year. We are losing the generation who were the fathers and mothers of modern computing. RIP. https://twitter.com/...
A moment of silence please to remember Chuck Peddle whose 6502 chip powered the Apple II, Commodore PET and other 1st gen PC's. The 6502, fondly remembered, was the only chip I ever did any assembly language programming for. https://www.nytimes.com/...