Re: Linux-asm (was A patch for linux 2.1.127)

Richard B. Johnson (root@chaos.analogic.com)
Thu, 19 Nov 1998 10:02:15 -0500 (EST)


On Thu, 19 Nov 1998, Simon Kenyon wrote:

> On 19-Nov-98 Richard B. Johnson wrote:
> > The hospitable evironment was to make a computer game.
>
> not so much a game as a solar system simulator
>
> > Not so. There is no way anybody could make anything run on a raw
> > piece of hardware. If you want to make a new operating system for
> > a PDP-11, you either use the tools already available that runs
> > on that platform or, if none exists, you have to write some tools
> > on another platform that does have an operating system. The tools
> > generated, ran under RSX-11. In fact, AT&T release 2, UNIX System V
> > Programmer Reference manual makes numerous references to the PDP-11
> > (Eary 'C' was not all that portable), and makes comparisons to
> > RSX-11.
>
> but it was not developed on a PDP-11
> they used a cross assembler with ran on the Multics machine in the machine room
> that is why they had to get UNIX up and running in a self-hosted fashion. Their
> offices were 7 floors away from the paper tape punch connected to the Honeywell
>
> > This book and it's companion "User reference manual" was my first
> > introduction to Unix. It was published in 1983 in AT&T Bell Laboratories.
> > There have been revisionist books published later.
>
> my reference was the original BSTJ and from conversations with the protagonists
>
> RSX-11 was definitely not around in 1971 - maybe RT-11
> i really don't wish to get into a shouting match
> --
> simon
>

Ah yes! No shouting match it WAS RT-11 (all the DEC stuff sounds the
same, they all had PIP)!

Cheers,
Dick Johnson
***** FILE SYSTEM WAS MODIFIED *****
Penguin : Linux version 2.1.128 on an i686 machine (400.59 BogoMips).
Warning : It's hard to remain at the trailing edge of technology.

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