[ros-bugs] [Bug 2073] ReactOS does not work on VGA display

[ReactOS.Bugzilla at www.reactos.org]

http://www.reactos.org/bugzilla/show_bug.cgi?id=2073


pjasnos <pawel.jasnos at gmail.com> changed:

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                 CC|                            |pawel.jasnos at gmail.com




--- Comment #20 from pjasnos <pawel.jasnos at gmail.com>  2008-05-12 00:19:10 CET ---
Display driver architecture in windows:

http://msdn.microsoft.com/en-us/library/ms801054.aspx

They say that driver dll can directly access driver hardware (and also say that
their vga driver uses assembly to do that). Perhaps we can just nick the
function code and put it in the driver? It's just some very down-to-earth
assembly code (three lines in essence, which would result in something like 4-5
bytes of executable code), and I think using an inline function here would be a
speed optimization as well.

http://www.reactos.org/generated/doxygen/d0/d29/hal_2halx86_2generic_2portio_8c.html#a9


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