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On 4/7/25 3:47 AM, Lawrence D'Oliveiro wrote:On 6 Apr 2025 00:14:27 GMT, Robert Riches wrote:Well ... it was what it was.
I don't have chapter and verse to quote, but back in the day I was
told that the original design of the 6502 _WAS_ superior to the 6809,
but Motorola sued on a basis of IP theft or similar, and the 6502 was
dumbed down by removing registers and/or crippling the indexing modes.
No, that would have been the Motorola 6800. The 6809 came somewhat
later.
The main rivalry in the 8-bit world was between the 6502 and the Z80.
6502 fans liked to tout the fact that their fave CPU had so many
instructions that would execute in one clock cycle ... until you looked
closer and discovered that it was restricting itself to 8-bit address
arithmetic, where the Z80 was supporting full 16-bit addresses.
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And the 65xx clearly WAS very very popular.
How many Apple's, CBMs, sold ?
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