On Tue, May 31, 2005 at 10:11:52AM -0700, Eric Smith wrote:
> Maybe. I agree with whoever observed that the text mode will be the
> first thing many people see, and that some people (myself included)
> actually still used text mode a moderate amount. While that doesn't
> justify thowing a huge amount of the FPGA resources at it, if 20% more
> logic gets a 5x improvement (without a huge schedule hit), I think
> that's worthwhile.
I usually read my mail in text mode (I'm doing it now) just to save
the time needed to start up X. Admittedly, the host I usually read mail on
is slow and low on RAM.
It's probably more of an issue in OS installation, in diagnosing
boot failures, or where difficulties in getting X configured properly may
make it expedient to tackle X after all the tools and utilities are
installed.
So, yes, text mode is frequently an absolute necessity in bringing
up a system, even if it may not be used much after that.
I'm not going to get into how VGA should be implemented; you guys
clearly understand the tradeoffs better than I do. But I think you're right
that:
1. It has to be present, and work without problems.
2. Extreme performance isn't required.
3. It's expedient to conserve effort on this, so that the project can move
on to other attention items ASAP.
I think I would add that if the first implementation works bug-free
at all, that's good enough for now, and better implementations can always
follow later. There will be plenty of time for that while the hardware
implementation remains in FPGA form. None of this is meant to take issue
with anyone who wants to focus their attention on VGA and create a better
solution.
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