Hi folks,
I have been pulling my hair out for a while with some low
level code I'm writing, and I'd like some help.
Hardware ports 3D0h through 3DFh (controlled by the IN and
OUT instructions) can be used to control the graphics
adapter. I need some sort of reference material that can at
least hint at what these ports do. (I only need to work with
standard EGA/VGA text-mode functions, not anything really
fancy.)
Please help me find some material like this, or let me know
where I should ask. I have already figured out that search
engines don't help much with this, and most everybody's code
that I examined wasn't commented well enough to give me the
clues I need.
Any help will be greatly appreciated.
Kind regards,
Nathaniel G H
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