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Designed within the Nineteen Seventies by electrical engineer Chuck Peddle and his workforce for MOS Know-how, the 8-bit MOS 6502 ran at 1-2 MHz and packed 3,510 transistors. As essentially the most inexpensive chip of its type, it initially value lower than a sixth of the alternate options supplied by Motorola and Intel.
The workforce that designed the MOS 6502 had beforehand labored at Motorola on the Motorola 6800 mission, so the 6502 is taken into account a simplified, sooner and cheaper model of that design. To place that in higher context, the 6502 was promoting for about $25 per chip, whereas Intel’s 8080 and Motorola’s 6800 have been each promoting for round $200.
By the Nineteen Eighties, variants of the MOS 6502 have been powering a number of consoles and computer systems just like the Atari 2600, Apple II, Commodore PET, and naturally, the Nintendo Leisure System (NES).
The unique NES was powered by a customized MOS 6502, which was bought because the Ricoh 2A03 and manufactured by Japanese imaging and electronics firm Ricoh, who acquired its begin in optical tools again within the ’30s and helped popularize cameras with its Ricohflex III in 1950. The Ricoh chip additionally included a 5-voice Programmable Sound Generator, plus different I/O interfaces.