Re: Computing Editorial (please read)

[pausch@saaf.se (Paul Schlyter)]

In article <bruceNS+usenet12-7A50C4.08455519012003@news-50.giganews.com>,
Bruce Tomlin  <bruceNS+usenet12@fanboy.net> wrote:
 
> In article <b0duh2$199v$1@merope.saaf.se>,
>  pausch@saaf.se (Paul Schlyter) wrote:
> 
>> Depends on WHICH version of CP/M you wanted to use.  Although you
>> needed extra hardware to run CP/M-80 on the IBM PC, CP/M-86 ran on it
>> without extra hardware.  The early IBM PC offered a choice of three
> 
> If only the V20/V30 chips had implemented the Z-80 relative jumps, then 
> their 8080 mode would actually have been useful.
 
If so, then it would have been a Z80 mode.... :-)
 
> Why?  Because of Turbo Pascal.
 
I know ....
 
> That's the only Z-80 feature that it used, to help reduce code 
> size.
 
Nope!  The floating-point routines also used the alternate
register set of the Z80.
 
> Both the compiler and anything compiled with it require a Z-80 to 
> run.
 
Yep....
 
However, most other CP/M-80 software ran on the 8080.
 
-- 
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