[A83] Re: 83p os


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[A83] Re: 83p os



On Wed, 16 Apr 2003 08:21:52 -0500
"Dan Weiss" <dwedit@hotmail.com> wrote:

> >And how could you achieve this? There is no hardware support for such
> >features AFAIK.
> >
> 
> That never stopped Zshell (TI85 shell), programs written for that
> shell couldn't use absolute jumps directly, because the programs were
> never moved to an origin address.  Had to use macros instead, but it
> was still much faster than TI-Basic.
> 
> Usgard made programs have a list of every use of a static address and 
> stuffed it into a big table that modifies the program with the new
> addresses every time it runs.
> 

You see... It's possible to make applications that can be runned from
different locations...

> But moving the program to a constant address is still the best way to
> go, since you can optimize more that way.
> 
It's not the best way in a multitasked os, where a application can be
loaded more than one at a time, or if you have many applications running
at the same time...

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> 


-- 
Max Sikstrom
pengi@molik.org

MoLiK programming and demo group
http://www.molik.org/



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