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Re: GEOS

Mark Frischknecht wrote:

Payton Byrd wrote:


Was GEOS ever sold for the Apple II?  Is it compatible with
applications written for GEOS for the Commodore computers?  One amazing
thing about GEOS 128 was it's ability to run almost all GEOS 64
applications right from the native 128 version of GEOS, despite the
drastically different hardware profile.  I'm just getting into GEOS
programming and my understanding was that the kernel of GEOS is the
kernel of GEOS is the kernel of GEOS and that applications should be
portable.  I know GEOS for the Commodore +/4 is supposed to run most
GEOS 64 applications as well, even though the only thing shared between
a +/4 and a 64 is the 6502 roots of their different CPUs (the +/4 uses
a 4510 CPU and the 64 uses the 6510 CPU).



GEOS was produced for Apple ]][ computers. Not many commercial
applications were sold with it. And it is not compatible with C64/128 apps.


Actually, GEOS was also available for the Appple II as well, with
Version 2.x for the 128KB Apple //e.

Of course, GEOS was a GUI-based system, so screen resolution and
capabilitie (color) could be an issue--but not a big one, since all
screen handling was factored out into GEOS libraries.  But if the
libraries were "bound" into the apps, rather than being outside the
apps, that could still hamper portability.

I wonder how much of the application incompatibility is simply disk
incompibility?

-michael

Music synthesis for 8-bit Apple II's!
Home page:  http://members.aol.com/MJMahon/

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