Re: Re:LZ: get more ram?


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Re: Re:LZ: get more ram?



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> From: Jordan Adema <jadema@grfn.org>
> To: list-zshell@lists.ticalc.org
> Subject: Re:LZ: get more ram?
> Date: Friday, August 30, 1996 7:01 PM
> 
> 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?
> 
Yeah, he probably pulled a fast one on you.  There is a simple way to get a
50 variable named B.  It says it in the document about bugs in the ti-85,
you can find it somewhere on ticalc.org.  


Mike


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