Re: A86: new news to some old news to others
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Re: A86: new news to some old news to others
actually, some of the calls probably aren't used. for example, the
following calls on ROM page $0D are probably not used by the ROM:
_exec_assembly (for modules) and _install_asap (for installing the plug-in
functions)
Kirk
_@ibm.net
-----Original Message-----
From: Timothy Dixon <tdixon@fwi.com>
To: assembly-86@lists.ticalc.org <assembly-86@lists.ticalc.org>
Date: Sunday, March 01, 1998 9:29 AM
Subject: Re: A86: new news to some old news to others
|
|Ekauq wrote:
|
|> 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).
|>
|> but the question remains, did ti use all of the rom calls, or just the
ones
|> that it wanted to for the 86.
|
|Presumably TI used all the ROM calls. It would be silly of them to
|*write* this code and then not use it. As far as removing it, the ROM
|calls are, naturally, in ROM and are therefore there to stay. If you
|really want to dump all that stuff, I'd suggest getting some kits
|together and building yourself your own computer.
|
|And don't say it can't be done; remember the Apple I was a garage-based
|hack, before the days of highly integrated CPUs. (Zilog sells Z80's
|with serial ports and parallel ports built in, for instance).
|