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ATI Mach8/32 fixes regarding 1992 ATI Ultra drivers for Windows 3.1x:#3924

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OBattler merged 1 commit into
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tc1995
Dec 22, 2023
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ATI Mach8/32 fixes regarding 1992 ATI Ultra drivers for Windows 3.1x:#3924
OBattler merged 1 commit into
masterfrom
tc1995

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@TC1995

@TC1995 TC1995 commented Dec 22, 2023

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Summary

  1. For some reason, background colors were always black under those drivers in 8bpp mode, added a tweak to fix it (as well as Clock colors).
  2. Likewise for the red scrolling in pbrush or write, added a tweak to its bitblt read mask.
  3. Don't call svga_recalctimings in the hdisp/vdisp ports directly, fixes screen size on said drivers without affecting other stuff.

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1. For some reason, background colors were always black under those drivers in 8bpp mode, added a tweak to fix it (as well as Clock colors).
2. Likewise for the red scrolling in pbrush or write, added a tweak to its bitblt read mask.
3. Don't call svga_recalctimings in the hdisp/vdisp ports directly, fixes screen size on said drivers without affecting other stuff.
@OBattler
OBattler merged commit dbbbae9 into master Dec 22, 2023
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