Re:LZ: get more ram?

Subject: Re:LZ: get more ram?
From: David Madsen <madsend@toast16.oremhs.alpine.k12.ut.us>
Date: Fri, 30 Aug 1996 17:56:28 -0600 (MDT)
In-Reply-To: <v01540b01ae4d1f5ebd81@[198.110.68.63]>
I think you've been fooled!  there is a way to maka a 50k variable in RAM 
that takes up no space what soever.. check out ticalc.org in the bugs 
text file to see how.. :)  It uses the null char to do it somehow.. I did 
it once a long time ago.




On Fri, 30 Aug 1996, Jordan Adema wrote:


> At 4:47 PM on 8/30/96, Michael Berry wrote:
> 
> > Do you think there is any way to add ram to the ti-85 via the link port.
> > Possibly someone could develop plans for an external ram source that plugs
> > into the link port.  It might take a lot of tricky asm programming to get
> > the ti to read from the port.  If it was possible it could add a whole new
> > realm of possibilities to ti programming.
> 
> I have a short story related to memory upgrading.
> 
> There is a sophomore at my high school who has done many hardware upgrades
> to his TI-85. I don't doubt his expertise at electronics-he has a turbo
> switch and is an ham radio operator. Today he told me he upgraded his
> memory by adding a chip. I didn't catch how he did it but he used the word
> "parallel". There was nothing on the link port. On examining his
> calculator, there was a string variable named "B" with a size of about 50
> K. This is where the extra memory was. He said a assembly program could
> access this memory.
> 
> "Great," you say. "So how did he do it?"
> 
> That's the problem. This kid is a little wierd. He has his calculator
> password-protected so nobody "steals" his games. He also says he
> "link-locks" his programs so they can't be copied. To put it simply, his
> line of thinking is the opposite of a classic "hacker"--he HATES the "free
> flow of information." He wants to charge for everything, and he has no
> intention of supplying information on his memory upgrade. Incidentally, he
> also plans to make a working wireless link "just for himself."
> 
> Anyways, if this is for real, someone else may want to look into this more.
> Can this memory be used for something? He wasn't using it when I looked at
> his calc, he just said it COULD be used.
> 
> On the other hand, he could have put one over on me with a fake memory
> screen of something. Thins was my inital instinct, being the cynical person
> that I am.
> 
> Any thoughts?
> 
>  ____________________________________
> /\                                   \
> \ \  Jordan Adema                O-   \       A student who changes the
>  \ \  jadema@grfn.org                  \         course of history is
>   \ \  http://www.calvin.edu/~sadema21/ \      probably taking an exam.
>    \ \___________________________________\
>     \/___________________________________/
> 
>
References:
Re:LZ: get more ram?
From: Jordan Adema <jadema@grfn.org>