Z80 instruction fetch mechanism

[Jim Battle]

Jim Battle wrote:
> Jim Battle wrote:
>> Steven Hirsch wrote:
>> ...
>>>
>>> Wasn't the Z80 a microcoded design?
>>
>> no!  the same guy who did the 8080 layout, masatoshi shima, did the 
>> z80 layout.  He also did the z8000 layout, which was much more 
>> complex, but was also not microcode, just random logic.
>>
>> I just found this while googling to support my answer, but i've only 
>> skimmed it - a 47 page interview with Shima, done by the CHM:
>>
>> http://www.ieee.org/portal/cms_docs_iportals/iportals/aboutus/history_center/oral_history/pdfs/Shima197.pdf 
>>
>>
> 
> Having read more, Shima did the logic design on the 4004, 8080 and z80, 
> and did the layout on the 8080.  I've also heard he led the layout for 
> the z8000.

crap -- ... he also did the layout  on the 8080 and z80, and led the layout for the z8000.