On Wed, 16 Sep 1998, Kari Lammassaari wrote:
> >Does anybody know how the Video-Ram-contents is changed
> >depending on the settings of the moderegisters?
> >
> Some games change video mode, with the line interrupt (=screen is splitted
> to two different screen modes) . So my conclusion is, that setting the mode
> bits do not alter the contents of video ram.
One thing, that is not talked yet is also, that when you write or read
VRAM, LO and HI nibble will go different places in screens 0-6 that they
will go in screens 7 and 8.
I don't remember right now, how they work, but you can't forexample load a
picture in screen 7 and then switch mode to screen 5 for showing it.
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