Re: LZ: csh for TI-85 & Hardware Abstraction Layer


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Re: LZ: csh for TI-85 & Hardware Abstraction Layer



On Fri, 25 Oct 1996 08:31:04 -0700, you wrote:
>
>> I have bean thinking of re-writeing zshell (and hopefully fargos shell
>> program when it comes out ) to look like csh. ie: unix.  This not only
>will
>> look really cool, it will have advantages over the zhell menu... just =
a=20
>> thought...=20
>
>That would certainly be very neat, but it would be a pain to type out
>commands on the TI's keyboard.  Unless, of course, you made shortcut =
keys
>for commonly used operations or something.  An interesting idea,
>nonetheless...
>
>I was thinking of the possibility of writing a "hardware abstraction =
layer"
>into a ZShell like interface, which would provide functions to get =
hardware
>information (calculator type, approximate speed normalization factor,
>screen width & height, and shell name & version) and would virtualize
>hardware ROM calls. If this API were ported to other calculators, it =
would
>allow for one program to run on other calculators natively or with only =
a
>reassemble for a different processor... Does anyone know what processor =
the
>HP-48 series uses?


It's pretty nonstandard, and I believe it's called the "saturn".  It's
not your typical 16 bit processor, and it's nothing compared to the
MC68000 in the '92.


<pre>
--
The TI Memory Expansion Homepage
http://pilot.msu.edu/user/tsaimelv/expander.htm
</pre>


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