> > > I was wondering what that warning screen was about when reading the update.
> > > Skull...Be Gone.
> >
> > The program is scrambled. There is a segment that matches the RES, NMI, and IRQ
> > vectors, and has valid code. This segment is a fake program that initialize both
> PIAs
> > and the CRTC like in a Golden Poker board, using the offsets where these devices
> are
> > normally mapped. They took all these efforts just to show the skull warning screen.
> > The real program is located in another segment, and initialize these devices in way
> > different offsets, where this hardware has them mapped.
> >
> >
> >
> > Robbie.
>
> I wonder if it was originally released with the real program in battery backed RAM
> and that dummy program in the ROMs.
Has sense. Maybe for another game.
Playing with the segments, is too easy to find the correct order.
Robbie.
-- Risen from my grave --
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