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IBM PS/55 DA2: Fix various drawing issues in graphics mode#5282

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OBattler merged 17 commits into
86Box:masterfrom
akmed772:master
Mar 5, 2025
Merged

IBM PS/55 DA2: Fix various drawing issues in graphics mode#5282
OBattler merged 17 commits into
86Box:masterfrom
akmed772:master

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@akmed772

@akmed772 akmed772 commented Mar 5, 2025

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Summary

Changes:

  • Add a line drawing function used in Windows 3.x.
  • Support some raster operations used in Windows 3.x.
  • Change an address mask for video memory accessing.
  • Bit mask with word aligned addresses.
  • Fix a screen glitch in OS/2 DOS monochrome graphics mode (MODE 1).
  • Fix the screen resolution.

This change will also solve an issue mentioned in #5239 (comment).

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@OBattler OBattler merged commit 6ab9ee3 into 86Box:master Mar 5, 2025
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2 participants