James Craig writes:
> I used the TGA driver source when I was writing a graphics-mode VGA
> console driver a while back. It's probably your best bet since the TGA is
> a really simple framebuffer board.

When I wrote the cyber2000fb and acornfb ones, I used a variety of drivers
as a reference.  I'd like to think of those two drivers as being a good
outline indicating how to provide a fbset-compatible setup.

Neither one is 100% perfect - the acornfb one is probably closer to a
100% functional fb driver than the cyber2000fb one, but it contains a
lot of mess in the initialisation to cope with the weird Acorn hardware
and supporting various refresh rates at boot.
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