Re: Next tentative FreeMWare release

[Jeffrey B. Siegal]

"Kevin P. Lawton" wrote:
> (Or I suppose the guest could be
> allowed to read/write directly to the real VGA ports/memory if
> we got real spiffy)

I think the original VGA ports can't be read, only written.  This makes it
impossible to virtualize without trapping because you can't extract the
current state when you need to change contexts.  Some/most/all later "super
VGA" designs fix this.