> > > So while trying the latest Kega, which is awesome btw, I found a "disable
> > SRAM"
> > > function, and it made the copy-protection code fail. Hooray ! But still
> there
> > > are many unanswered questions here...
> >
> > My guess: the games tries to write to SRAM. Impossible on an original cart
> with
> > no SRAM (=> original game, go ahead), possible with copiers that simulated
> SRAM
> > in some way to allow SRAM games to save (=> lock the game). And easy, free
> > protection mechanism, as long as copiers cannot turn off SRAM saving.
>
> Some modern GBA games work the same way - the NES Classics, for example.
>


So long...


'Now the time is here
for Iron Man to spread fear,
Vengeance from the grave
kills the people he once saved'
© Black Sabbath '70
*grunt* Metal *gnarf*