Daniel Phillips wrote:
On Saturday 07 May 2005 09:24, Patrick McNamara wrote:
I don't like VGA registers either. Even less now that I've been
documenting what they actually do. Unfortunately, unless people only
want to use the card as a second head, we pretty much have to
implement some part of VGA. You have to have 640x480x4 available to
boot Windows. Very little text mode stuff actually uses INT10h to do
it's work. Most of it is done through direct access to display
memory. Yes, it sucks. Yes, I think we would all like to be able to
skip it. Unfortunately it's a necessary evil to build a card that
will work in most x86 systems.
Did you mean "most Windows systems"? I would not have any problem with
the concept of delivering a logic upgrade to add Windows-bootability a
few weeks after delivering a card configured for testing/development as
a non-bootable or linux-bootable-only graphics card.
Based on the project plan Timothy posted, the development hardware will
be available well before there is a graphics card core to go on it.
It's not something you have to wait on to buy the development board
since the dev board is much more generic and a product in and of
itself. You can buy the development board as soon as it's available.
At some point in the future, there will be an image you can load on it
that will provide you a "working" video card. Before that there will
probably be a number of images that provide you a "partially working"
video card.
Patrick M
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