IBM 5150 maximum memory?

Roy J. Tellason rtellason at verizon.net
Sun Apr 27 13:16:14 CDT 2008


On Sunday 27 April 2008 13:05, Tony Duell wrote:
> > original choice for OS was CPM, but that story has been well told.
>
> What has that got to do with a buggy/incomplete RIOS? Can't a CP/M CBIOS
> be written to use ROM routines rahter than talk to the hardware directly?

No reason why not that I can see.  For that matter,  why not shove most of 
CP/M into ROM?  I think I might just do that one of these days,  except 
replacing some of the standard stuff with improved versions,  like SD for 
DIR,  etc.

-- 
Member of the toughest, meanest, deadliest, most unrelenting -- and
ablest -- form of life in this section of space,  a critter that can
be killed but can't be tamed.  --Robert A. Heinlein, "The Puppet Masters"
-
Information is more dangerous than cannon to a society ruled by lies. --James 
M Dakin




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