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From: Dave Horsfall <dave@horsfall.org>
To: The Eunuchs Hysterical Society <tuhs@tuhs.org>
Subject: Re: [TUHS] How to do differential/integral on a PDP-7, was: Space Travel
Date: Mon, 21 Oct 2019 16:14:09 +1100 (EST)	[thread overview]
Message-ID: <alpine.BSF.2.21.9999.1910211604030.17400@aneurin.horsfall.org> (raw)
In-Reply-To: <443935c0-b033-e3ae-ea63-6a0fb3f8eb9e@kilonet.net>

On Sat, 19 Oct 2019, Arthur Krewat wrote:

> Not to mention, if you start using log/alog tables, and/or sin/cos/tan 
> tables, and interpolation, you can quickly ramp up computation speed for 
> simple games that have a small matrix of coordinates. Something like 
> EMPIRE becomes quite easy.

Star Wars on a GT-40, which Andrew Hume (formerly UNSW, who is now at Bell 
last I heard) reverse-engineered to support three players, not two.

Oddly enough, DEC Field Circus stopped replacing GT-40 switch consoles
after that (certain keys were worn out)...

> Imagine my distress when, after cutting my teeth on a PDP-10, that 
> working on a 6502 I had to do my own division. Oh, the HORROR!

And you tell that to the young people of day, and they won't believe 
you...

Now, where did I put my Z-80 full ANSI C Compiler...

-- Dave

  parent reply	other threads:[~2019-10-21  5:14 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-19 14:40 [TUHS] Space Travel, was New: The Earliest UNIX Code Doug McIlroy
2019-10-19 18:32 ` Abhinav Rajagopalan
2019-10-19 18:44   ` Abhinav Rajagopalan
2019-10-19 19:19   ` Clem Cole
2019-10-19 19:50     ` Henry Bent
2019-10-19 19:55       ` [TUHS] Space Travel related question Thomas Paulsen
2019-10-19 20:19         ` Warner Losh
2019-10-19 20:24       ` [TUHS] Space Travel, was New: The Earliest UNIX Code Arthur Krewat
2019-10-19 20:12   ` [TUHS] How to do differential/integral on a PDP-7, was: Space Travel Michael Kjörling
2019-10-19 20:40     ` Arthur Krewat
2019-10-19 21:15       ` Michael Kjörling
2019-10-21  5:14       ` Dave Horsfall [this message]
2019-10-21  5:23         ` Lars Brinkhoff
2019-10-21 13:59           ` John P. Linderman
     [not found]             ` <68553366-4E6F-4E17-8903-282C67186D16@humeweb.com>
2019-10-26  2:24               ` Dave Horsfall
2019-10-26  2:09           ` Dave Horsfall
2019-10-21  4:55     ` Dave Horsfall
2019-10-21 19:21       ` Paul Winalski
2019-10-21 19:38         ` Kurt H Maier

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