[A83] Re: 83p os


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[A83] Re: 83p os



On Wed, 16 Apr 2003 14:13:59 +0100
"Patai Gergely" <patai_gergely@fastmail.fm> wrote:

> > I'm not going to write my OS compatible to TI-OS, because I and TI
> > uses totally different memory-allocation. And I don't know any os on
> > any platform that are compatible in that way you describe. Linus
> > Torvalds wrote linux for x86, and you can't run a
> > windows-application without a emulator. When (if) I finish this
> > project, and if I release it, I'm glad if there is anyone who wanna
> > write a emulator to it, but it will be hard... I need the interupt
> > to switch between processes, and no application are allowed to
> > change it or make a own interrupt. I need to write all application
> > to work indepentent of where they are in the memory.--
> And how could you achieve this? There is no hardware support for such
> features AFAIK.

to do a jump is easy... You just load the address you wanna jump to in a
register, and the prog-base in another and add before the jump... Or use
relative jumps...

Switch between processes is also easy, but I dont wanna say how I solve
it... At least not yet...

> 
> -- 
> http://www.fastmail.fm - Faster than the air-speed velocity of an
>                           unladen european swallow
> 


-- 
Max Sikstrom
pengi@molik.org

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



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