[ros-bugs] [Bug 2208] Standard VGA (mode 12) is usually 4 bit, not 8 bit

[ReactOS.Bugzilla at www.reactos.org]

http://www.reactos.org/bugzilla/show_bug.cgi?id=2208


breakoutbox at web.de changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|WONTFIX                     |
            Summary|VGA is usually 4 bit, not 8 |Standard VGA (mode 12) is
                   |bit                         |usually 4 bit, not 8 bit




------- Comment #11 from breakoutbox at web.de  2007-04-28 23:50 CET -------
(In reply to comment #9)
> The VBE VESA is standard how the graphice card bios should work
Nice, but I don't talk about the ReactOS VESA driver.

Please read:
http://support.microsoft.com/kb/45699/en-us
and again: I don't talk about _VESA_ _VBE_ driver "vbemp.sys"


The line 
vga = "VGA Display (640x480x8)",,Vga,640,480,8
in txtsetup.sif inits the Standard VGA driver "vgamp.sys"

The next line 
vbe_640x480x8 = "VESA Display (640x480x8)",,VBE,640,480,8
inits the VESA driver "vbemp.sys" YOU ARE TALKING ABOUT - but I don't !


See vgamp.c in \drivers\video\miniport\vga\:
  CurrentMode->Length = sizeof(VIDEO_MODE_INFORMATION);
  CurrentMode->ModeIndex = 12;
  CurrentMode->VisScreenWidth = 640;
  CurrentMode->VisScreenHeight = 480;
  CurrentMode->ScreenStride = 320;
  CurrentMode->NumberOfPlanes = 1;
  CurrentMode->BitsPerPlane = 4;


How do You explain BitsPerPlane = 4 ???


Best regards,
Peter.


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