Unknows S-100 System

Chuck Guzis cclist at sydex.com
Mon Sep 24 03:43:29 CDT 2007


On 23 Sep 2007 at 9:12, Allison wrote:

>> What I wrote something similar I used the word "most" as I knew 
there was
> some CP/M software that required z80.  However from a business user 
> perspective most of the deireable and likely used software like word 
> preocessors, spreadsheets and databases 8080 was just fine save for 
> speed and the 8085 solved that.  Also the 8085 was more of a bridge 
> than the ultimate application cpu.  

We ran into a few vertical apps that required Z80--and I think one of 
the better word processors (maybe a late Spellbinder?) required a 
Z80.  BASIC dialects were different enough back then (and today) that 
an application written with a specific Z80 BASIC in mind would get 
you into trouble with an 8085.

It wasn't enough to make us consider developing a Z80 card, since we 
were marketing our own OS and applications anyway.  But I'm certain 
that the lack of a Z80 cost a few sales.

Cheers,
Chuck




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