A92: Re: Making a variable

To: <assembly-92@lists.ticalc.org>
Subject: A92: Re: Making a variable
From: "Aaron Hill" <SeracOhw24@email.msn.com>
Date: Mon, 1 Feb 1999 17:11:07 -0800
Delivered-To: assembly-92-outgoing@towerguard.unix.edu.sollentuna.se
Delivered-To: assembly-92@lists.ticalc.org
Reply-To: assembly-92@lists.ticalc.org


Sure...

Take a look at FILES.TXT in the "doc" folder of your
Fargo II installation.  It explains the format for
files on the ti-92.  For specifics, I need to know
WHAT variable you are wanting to create.

For most numerical-based variables, you will want
to look at EXPRESSIONS.  You will need to know how
to TOKENIZE an expression.  For example,

((a^2)+(b^2))^(1/2)    (Distance formula of sorts)

Ti-92 tokenizes wierd... it will appear backwards
in memory, but look something like this (similar
to Polish Notation)

 ^  +  ^  a  2.  ^  b  2.  /  1.  2.

You calculate by breaking it up into this "tree":

                 ^
            ----------
           +          /
        -------     1   2
       ^       ^
     a   2   b   2

But please check the FILES.TXT.  I may have it
wrong.

P.S. Just to cover my bases... I said "Polish
Notation" for a reason.  RPN, which is Reverse-
Polish Notation, is not the same as Polish
Notation.  Some leave out the "Reverse" assuming
it'll make sense.  There is a difference, and I
wanted to ensure I wasn't taken incorrectly.  :)

====
Aaron Hill (Redmond, WA)
E-Mail: SeracOhw24@msn.com
IRC-Nick: Serac (EF-Net) (was SeracOhw)

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