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More ATI changes plus one IBM 8514/A fix:#3947

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OBattler merged 3 commits into
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ativga_mode_fixes
Dec 27, 2023
Merged

More ATI changes plus one IBM 8514/A fix:#3947
OBattler merged 3 commits into
masterfrom
ativga_mode_fixes

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@TC1995

@TC1995 TC1995 commented Dec 27, 2023

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Summary

  1. Made the 4 color mode (67h) work properly now, including its 4 schemes on all ATI cards that support said mode.
  2. Shadow set now has a true purpose for 8514/A compatibility on ATI Mach8/32.
  3. Non-ATI 8514/A used to not work before because of the dev->local variable was not being set to 0 in the ibm8514_init() function, now it's fixed.

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1. Fixed 4-bit packed modes.
2. Preparation of fixing the 2-bit modes.
3. Extra: fixed the accelerator mode switches again (Mach8/32 only).
1. Made the 4 color mode (67h) work properly now, including its 4 schemes on all ATI cards that support said mode.
2. Shadow set now has a true purpose for 8514/A compatibility on ATI Mach8/32.
3. Non-ATI 8514/A used to not work before because of the dev->local variable was not being set to 0 in the ibm8514_init() function, now it's fixed.
@OBattler
OBattler merged commit b72ed07 into master Dec 27, 2023
@jriwanek
jriwanek deleted the ativga_mode_fixes branch August 23, 2025 18:50
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Bug in some video modes on ATI-28800

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