Re: video driver protocol

[Jeroen Janssen]

Kevin Lawton wrote:
> 
> The guest driver has to access the memory via normal data
> access instructions.  So unless you want to get fancy and
> either make the guest OS map in some extra video memory
> beyond where the OS thinks memory stops, or do some bank
> switching interface, the special driver framebuffer
> has to be part of normal memory.

I was wondering, in the "real" world, does the physical memory have to
be continuus? (ie, can isa/pci extension boards provide "extra" physical
memory somewhere?)
-- 
        Best regards,
                
                Jeroen Janssen

+++
Verence would rather cut his own leg off than put a witch in prison,
since
it'd save trouble in the long run and probably be less painful.
        -- (Terry Pratchett, Lords and Ladies)
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