Re: A92: 92+ & 89 Compatibility
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Re: A92: 92+ & 89 Compatibility
Cliff Biffle wrote:
>
> > Do the TI-92 + shell developers plan to include the ability to run,
> >or emulate, TI-89 assembly programs? It seems that many more programs are
> >currently in development for this platform (probably because of the price
> >difference) and so the ability to run those programs would be very helpful
> >indeed. Perhaps even TI-83(+) and TI-86 emulation could be run - I do know
> >that the Z80 is totally different from the 68K so I'm not too hopeful of
> >this, though. The TI-86 has shells which emulate all the Z80 platforms, so
> >I'd guess the TI-92+ could successfully emulate the TI-89, if not run the
> >code without changes.
>
> My 92+ is successfully running '89 programs. Only problem is the keyboard
> mapping, which is different from calc to calc (took me forever to figure
> out that carat is escape :-). Perhaps we should have a program to
> translate mapping codes on a PC (or Mac)? Is this possible? I know it'd
> be more than simply replacing values--or would it?
The problem is that MANY programs (nearly all games, I would say) are
reading directly the keyboard matrix, which is different on 89 and 92+,
and we can't do anything with this, because reading the keyboard matrix
is a low level operation (it reads the IO ports) :-(
Xavier VASSOR
---The Doors Team
E-mail:xvassor@mail.dotcom.fr
Doors Homepage: http://start.at/doors
ICQ:10241721
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