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On 22/08/2023 7:34 pm, Tadeusz Pycio wrote:
> Ladislau has a lot of things right, Z80 based is not the same
as Z80 compatible. Compatibility is a term that covers a broader
spectrum, there can be Z80, "Super-Z80" like Z180, Z280, eZ80, hardware
emulations on FPGA and software emulations on any other architecture.
If `Z80 based` is to mean `Z80 only` it rules out the vast majority of
modern designs. For designers attractiveness lies is the possibility
of doing *more* than what was done 40 years ago. If what`s offered now
not only gives better performance but is also designed to be backward
compatible, who wouldn`t be interested? Let`s not forget the Z80 itself
was a new processor built upon an old design and became popular for
that reason.
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