[A83] Re: Special ram areas?

To: assembly-83@lists.ticalc.org
Subject: [A83] Re: Special ram areas?
From: brandon <bms9019@rit.edu>
Date: Sat, 03 Mar 2001 17:56:01 -0500
References: <5.1.0.14.0.20011031222623.035666c0@pop.home.se>
Reply-To: assembly-83@lists.ticalc.org


Yes that would be much safer though there is no guarantee that the program
is all on one page.  I suppose it isnt that much harder to deal with... as
long as nothing in the file is beng executed and its only data.
Brandon Sterner

----- Original Message -----
From: Olle Hedman <alh@home.se>
To: <assembly-83@lists.ticalc.org>
Sent: Wednesday, October 31, 2001 4:29 PM
Subject: [A83] Re: Special ram areas?


>
> At 20:18 2001-10-31, you wrote:
>
> > > Van: BRANDON STERNER <bms9019@osfmail.isc.rit.edu>
> >
> >It might be a good idea to create a new program and copy your fonthook
into
> >it (or just make one yourself with TASM and bin2var). Give that
> >'fonthook'-program some distinguishable header. Then make a routine that
> >knows the last correct adress of the file, checks if it's still there
> >(fast), looks it up if not (slow), and jumps to it. Such code would be
> >small, and could fit into the stack area. This way you are compatible
with
> >almost all programs that exist for the Ti83+ I guess.
> >
> >The header and the name of the program could be the same (to safe space).
> >Since the lookup routine has stored where your font-hook is, you can use
> >that info to calculate adresses inside the program (old Ti85 style).
> >
> >Good luck!
> >
> >         Henk Poley <><
>
> If you archive the file, wouldn't that guarantee that it is always in the
> same place?
> I am not sure about the 83+ architechture, but I am fairly sure that this
> would be the case on a ti89 wich has no bank switching or stuff like that.
> Maybe a bit cumbersome to demand that the font file is archived though,
but
> could at least be a recommendation in the readme. (you probably would want
> that anyway since you have more space to spare in archive)
>
> ///Olle
>
>
>
>