Chuck Peddle

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Electronics engineer Chuck Peddle is mostly known as the main designer of the MOS Technology 6502 microprocessor; the KIM-1 SBC; and its successor the Commodore PET school/business/home computer, both based on the 6502.

Peddle had worked at Motorola from 1973 on the development of the 6800 processor but then left for MOS Technology, where he headed the design of the 650x family of processors; these were made as an answer to the Motorola 6800. The most famous member of the 650x series was the 6502, which was subsequently used in very many microcomputer devices (three well-known examples from the consumer market being the Apple II, the Commodore VIC-20 and the Nintendo Entertainment System aka NES).

The 6502 has also been "tweaked" to support other computers while maintaining backwards compatibility. Such examples are the 6510 used in the Commodore 64.

Peddle left the company in 1980 together with CBM financer Chris Fish to found Sirius Systems Technology. There, Peddle designed the Victor 9000 personal computer/workstation.

  • Bagnall, Brian (2005). On the Edge: The Spectacular Rise and Fall of Commodore, Variant Press. ISBN 0-9738649-0-7
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