OT - Is this computer for real? (CORRECTION)

[Lennart Sorensen]

On Wed, Aug 24, 2005 at 10:07:40AM -0400, James Knott wrote:
> Way back in the dark ages, computers, based on the Intel 8080 or Zilog
> Z80 CPU, often ran an operating system called CP/M.  The Apple II
> computers used a 6502 CPU, which could not run the popular CP/M
> software.  Since at that time, Microsoft was selling CP/M BASIC and
> compilers, they couldn't sell to Apple users, unless they could figure
> out a way to run CP/M in those Apples.  The alternative was to rewrite
> all their code in 6502 (back in those days, most apps were written in
> assembler, not C etc).  They then decided to create a card, built around
> the Z80, for the Apples, which could run CP/M and apps.

I didn't know MS had made such a thing.

I know there was such a device for the C64, and the C128 had one built
in of course.

> Incidentally, the original MS-DOS was a poor clone of CP/M.  It was
> developed by a hardware manufacturer Seattle Computer Products, as a
> development system, while waiting for CP/M-86 (for the 8086 CPU) to be
> released.  Many of the DOS calls can be traced back to CP/M.

Yeah that I know. :)

Lennart Sorensen
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