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

Simon Kenyon (simon@koala.ie)
Thu, 19 Nov 1998 14:14:22 -0000 (GMT)


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

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