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Storing data in the DVD Player
I have seen this in the past with simple dvd-video games.
How do I store a value in the DVD Player that can survive reboot/disc change?
AFAIK, GPRMs wont survive, but what about SPRMs? is there any that could be used for this (e.g. reserved one)?
Even that another disc/program could overwrite this, and this is not in the specification and will not work on every DVD Player, what gets closer?
-Raul
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2 Replies
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Once a player re-boots or a disc is removed, all GPRMs are zeroed and certain SPRM are set back to their default settings. Never heard of a player saving values – that would be cool though.
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I have seen 2 cases:
– a high score in a simple dvd game.
– a play once dvd
The play once dvd sets a flag somewhere after you finished watching it (5min clip). In this case it survived in a reboot.
In the game case, I dont really remember if a reset was done. But it did survive between changing a few discs and comming back to the game again.
So, If anyone has a clue about this… 🙂
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