Re: [stella] Pitfall! LFSR

Subject: Re: [stella] Pitfall! LFSR
From: "nj bloodline" <njbl00dline@xxxxxxxxxxx>
Date: Mon, 30 Jul 2001 21:27:27 -0400
What is "random scene generation" when all the scenes are in a certain
order?! There's full maps out on the net to Pifall!, so I'm assuming the
screens are always in the same order.

----- Original Message -----
From: "Glenn Saunders" <cybpunks2@xxxxxxxxxxxxx>
To: <stella@xxxxxxxxxxx>
Sent: Monday, September 03, 2001 3:26 PM
Subject: Re: [stella] Pitfall! LFSR

> At 08:35 PM 9/3/2001 +0200, you wrote:
> >I'm currently disassembling Pitfall! and found
> >something (i think) quite interesting:
> >The game uses a one byte (what I'd call) bidirectional
> >LFSR for random scene generation.
> David Crane talks about this a lot in Stella at 20.
> I'm surprised more people on the list haven't ordered the video, but it is
> NTSC-only so I can understand anyone in europe not getting one.
> -
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