[A83] Re: 83p os


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[A83] Re: 83p os



I feel like a total nerd when you put it that way! ;)  But on the subject
of writing an OS, why doesn't TI like third party OS's?  It seems that
they can only increase the user's enjoyment of their product.

Matthew Marshall

On Tue, 15 Apr 2003 14:50:40 -0500 (CDT) <corey@acz.org> writes:
> I think you fail to realize how few people sit up at night dreaming 
> of overwriting an OS on a severly limited z80 system with a 64x96 
> screen and an impossible keyboard.
> 
> ;)
> 
> > robvanwijk@gmx.net wrote:
> > 
> >>The trick in loading your own OS is this: make sure that in your 
> OS
> >>file, these bytes already have the right value. Then, when the 
> OS
> >>loader is verifying it, pop the batteries. That way, the next time 
> 
> you
> >>start it, it sees
> >>these bytes have the correct values and will assume it's valid.
> >>  
> >>
> > Haha! So that is the secret! that is so wonderfully simple!
> > I can't belive it took so long before anyone thought of that. 
> Maybe it 
> > works on the TI89 too.
> > Because it really took a long time before anyone figured out how 
> to 
> > change the rom on the Ti83, compared to how long it took 
> before someone
> >  cracked the ti89 protection.
> > Or at least before anyone told in public that they had done it.
> > 
> > --Olle
> 
> 
> 
> 
> 

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