A83: Re: Re: Pseudo-Random #'s

To: <assembly-83@lists.ticalc.org>
Subject: A83: Re: Re: Pseudo-Random #'s
From: "Joe Wingbermuehle" <joewing@usmo.com>
Date: Mon, 17 Aug 1998 09:31:54 -0500
Delivered-To: assembly-83-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: assembly-83@lists.ticalc.org


The R register is for DRAM refresh. It doesn't do anything as far as the
TI-83 is concerned. The upper 7 bits of it are incremented after every
instruction though.
The I register just points to the interrupt table in im 2 in im 0 and 1 it
does nothing.

-----Original Message-----
From: James Matthews <matthews@tkb.att.ne.jp>
To: assembly-83@lists.ticalc.org <assembly-83@lists.ticalc.org>
Date: Monday, August 17, 1998 7:17 AM
Subject: A83: Re: Pseudo-Random #'s


>
>> Has anyone here noticed how the r register sometimes loops and returns
>> the same random #'s?  Like in Fast Tunnel, if the tunnels right edge gets
>> near the right eddge of the screen and you hold down both arrow keys, the
>> tunnel loops?  Whoops, I let out  the secret to getting mega high ultra
>> tunnel scores :  )  It works
>
>Hehe, I know a friend who figured that out...managed to loop it so he could
>just secure the button down with sticky tape, and left the calculator
>running the whole math period!   Lol...
>
>What is the R register used for?  Isn't it somehow affiliated with the
>I-register?
>
>James.
>