Re: A86: linking w/ the 82

To: <assembly-86@lists.ticalc.org>
Subject: Re: A86: linking w/ the 82
From: "Dux Gregis" <assets@eden.rutgers.edu>
Date: Thu, 10 Dec 1998 02:35:18 -0500
Delivered-To: assembly-86-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: assembly-86@lists.ticalc.org





>
>Yeah, it's rather simple.
>
>All calculators have compatible linkports.  Before I hear anyone mention
>that you can't send variables between different models, I'm going to tell
>you right now: THIS DOESN'T MATTER!  Why not?
>
>The built-in link routines, including silent link, uses the internal ROM
>routines, which use a proprietary protocol.
>
>The answer, of course, is not to use this protocol (which would be large
>and, I have been told, unwieldy).  This is how ZTetris works on all five
>calculators for which a port exists, and this is also how Vertigo works.
>
>Now, if you WANT to use the official protocol, which would be an ideal
>solution if you feel like making a program that sends data to different
>models (and I almost want to do this!), then you will need the protocol
>specs, written by dedicated hackers!  :)  You'll have to get them from
>ticalc.org at http://www.ticalc.org/pub/ text or info, I forget.  The TI-86
>protocol (which I was most concerned with when I researched it) is
>especially well documented.  The TI-85/92 protocol is also nicely done.  I
>believe that the same protocol engine will work between calcs, you must
>change the ID byte to work with each individual model, but this is a mere
>trifle.


The protocol is documented, but there aren't any known ROM calls, or are
there?