"self" vs other names

Samuel Schulenburg Samschul at pacbell.net
Wed Oct 3 20:37:37 EDT 2001


grante at visi.com (Grant Edwards) wrote in message news:<slrn9rktbp.rfk.grante at isis.visi.com>...
> In article <mailman.1002072003.6214.python-list at python.org>, Ignacio Vazquez-Abrams wrote:
> >On Wed, 3 Oct 2001, Tim Hammerquist wrote:
> >
> >> What would the world have been like if CP/M had won over (PC|MS)-DOS?
> >
> >Not that much different; AFAIK MS-DOS was based on some of the principles of
> >CP/M (8.3 filename, etc.).
> 
> PC-DOS was an out-and-out copy of CP/M.  The layout of FCBs was the same,
> the methods to call BIOS were the same, the layout of executable file
> headers was the same...

As I recall CPM was more flexable with memory allocation than DOS.
It's been a long time ( Twentyone years),but CPM used a jump table to
access its boot sequence. DOS had that dumb 640 K limit.
Remember BIll Gates quote "640K is more memory than anyone needs", or
somthing like that.

Sam Schulenburg



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