Episode 105 - Apple's Growing Pains
Advent of Computing
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How the Apple III Improved RAM
The Apple III was still using a 6502, albeit a slightly faster one. That processor has a 16-bit address bus and can only access 64 kilobytes of memory. So how did this new computer handle so much more RAM? The trick is something called bank switching. It lets you swap between accessing different physical banks of memory.
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