6502

The 6502 was the nominal opponent to the Z80 in the battle for the home computer market which emerged in the late 70s and early 80s. It formed the core of the American Apple and British Acorn ranges of computers, amongst many others, including offerings from another American firm: Commodore.

It was an 8-bit processor that was relatively crippled compared to the Z80, as it had only three general purpose registers, and one of those was the accumulator! However, high-level languages made this part much more usable than it should have been, and its popularity throughout the home computer world meant there was a lot of coders able to work within its limitations.

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Last updated: Wednesday 20th September 2006