Z-8000 not a Z-80 after inflation.
As the story points out, the Z-8000 was a completely different design from the Z-80. Both the Intel 8080 and Zilog Z-80 were single chip versions of the Datapoint 2200 CPU, the Z-80 team having split off from Intel after Intel declined to make the expanded later version.
See: Wikipedia article on Victor Poor, esp. reference 8, "Forgotten PC history: The true origins of the personal computer" --Computerworld, August 2008
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