> > 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.
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