Re: A86: new news to some old news to others


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Re: A86: new news to some old news to others




what i was saying is that they were all used at once because they were made
:) you cant make something without using it

-----Original Message-----
From: Dux Gregis <assets@eden.rutgers.edu>
To: assembly-86@lists.ticalc.org <assembly-86@lists.ticalc.org>
Date: Sunday, March 01, 1998 5:15 PM
Subject: Re: A86: new news to some old news to others


>
>
>
>Ekauq wrote:
>
>> every rom call that you guys are finding are the same rom calls that the
>> programmers of the ti-86 used to program the ti-86
>
>The 86's ROM doesn't use any of the calls on ROM page 13, or at least very
few.
>These calls are for programmers like us to call, so that if a call might
not be in
>the same place in all ROM versions, it will be in the same place on page
13.  The
>ROM doesn't need to make calls to this page because it can directly make
calls to
>page 0 (where you end up after a call to page 13).
>
>>
>>
>> all of these roms mimic the commands that are already on the calculator,
well
>> i believe that they are one in the same.  for example, someone found a
rom
>> call that does the same thing as >frac which is true in the sense that
it's
>> the same rom call that the programmers used.
>>
>> one thing i would love to know is if there is a way to remove the
original
>> programming of the ti-86 and overwrite it with a completely new os,
change the
>> ti-86 completely, since what we all use is an os in the first place.  the
only
>> way i could see that you can't take it off is if the os is written in rom
and
>> protected (which is probably true).
>
>I tried seeing if I could overwrite the calculators functions with my own
ones,
>but it will not work unless you use an interupt.But, if you really wanted
to, you
>could write a program that starts a certain shell every time the calc is
turned on
>and then never leaves that shell.
>
>>
>>
>> but the question remains, did ti use all of the rom calls, or just the
ones
>> that it wanted to for the 86.
>
>
>