[A83] Re: 83p os


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[A83] Re: 83p os



> 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
> 

Michael Vincent figured it out a while ago, but couldn't tell the world
because
of aforementioned US laws. He did provide some clues to some guys who
then "re-invented the wheel" on their own. Their progress was posted on the
DS boards, where I followed it.

Grtz,
Rob van Wijk

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