A86: Re: New operating system...

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A86: Re: New operating system...


If I understand what you mean, that would be a great idea.. what would also
be cool is if someone can figure out how to do symbolic manipulation and
factoring to make PrettyPrint 86 - I know some people have done it, but
since they couldn't code in factoring and symbolic manipuation, it was
pointless.. just an idea.

Ahmed El-Helw <ahmed@ticalc.org>
   Program Ideas and Upcoming Programs
   the ticalc.org project - http://www.ticalc.org/
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----- Original Message -----
From: David West <bdaddy_mit@hotmail.com>
To: <assembly-86@lists.ticalc.org>
Sent: Friday, February 19, 1999 8:39 PM
Subject: A86: New operating system...


>
>     I am a curious about something.  Who else in the ti-86 community is
>tired of having to put up with the TI-OS.  In fact I wonder how many
>people have even thought of programming for an OS other than the built
>in one.  I sent a message a little while ago, but I do not think I was
>on the list correctly at the time.  But imagine an operating system
>design for the pupose of running games or running more powerful memory
>hungry applications.  Instead of these little 1k-3k and maybe 5k toys.
>Has anyone checked out www.hpcalc.org.  Sure they have a processor
>capible of address more memory than the Z80, but in my openion a major
>reason why few quality programs are written for the 86 is a lack of a
>good OS.  And I am not talking about a SHELL!!  I'm talking about an
>operating system with its own kernel procedures for addressing memory
>and allcoating program ram and data ram.  Why are we limited to only
>running programs at $d748??? this does not have to be the case.  With a
>little preperation in programming, a general program could be written
>such that when the OS loads it, all the instructions are updated before
>runtime, so that it can be put at ANY address!!!  But the TI-OS of
>course does not support this.  All the TI-OS does is throws us a bone
>and gievs us ~10K to work in "easily".  Sure you can hack just about as
>much memroy as you want for a power hungry program, but this is just
>hacking...  and I'm tired of it.  Plus... the TI-OS sinks ~32k of memory
>on its on.  This is memory that you can't get to without worry of
>messing up the TI-OS.
>
>      Well I just wondered who else even cares about this, or would be
>interested in an alternative platform.
>
>     With the combination of a 200hz interrupt and a good kernel
>capibily of putting a program anywhere in memory, a SHELL could be
>written to even "time-share" programs on the calc.  All this with little
>or no change in z80 coding...  of course this means no rom calls would
>be available(I'm not sure if rom calls would be possible outside the
>TI-os, I'm not that much of an expert on it).  But power proagrms
>written totally in z80 assembly, with very little "OS-specific
>accomidations" could be written for this new operating system.
>
>Of course there are key things any new OS would have to have.  Such as
>custom link capabilities.. but this mean we can rewrite the TI-protocal
>that everyone seems to hate anyways!!!!  Well I want to see who is
>willing to chew on this idea.
>
>later,
>
>David E. West
>
>p.s.  I'm in the process of working out such an operating system.  My
>specs are not 100% yet but I'm determined that the next program I write
>WILL NOT be run under the current TI-OS!!
>
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