> > 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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