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mGBA Game Boy Advance Emulator

GBA Video: Invalidate map cache when modifying BGCNT (fixes #1846)
Vicki Pfau vi@endrift.com
Sat, 08 Aug 2020 18:22:09 -0700
commit

c2893d641e6c18496d1637f8d729ee5f1d3b1b4d

parent

defaeb0d80ebbdfbd3f0135cb36dc56dc35cdab5

19 files changed, 2 insertions(+), 0 deletions(-)

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M CHANGES → CHANGES 
@@ -23,6 +23,7 @@ - GBA SIO: Fix copying Normal mode transfer values
  - GBA SIO: Fix Normal mode being totally broken (fixes mgba.io/i/1800)
  - GBA Video: Latch scanline at end of Hblank (fixes mgba.io/i/1319)
  - GBA Video: Fix Hblank timing
+ - GBA Video: Invalidate map cache when modifying BGCNT (fixes mgba.io/i/1846)
  - SM83: Emulate HALT bug
 Other fixes:
  - 3DS: Redo video sync to be more precise
M src/gba/renderers/video-software.c → src/gba/renderers/video-software.c 
@@ -760,6 +760,7 @@ bg->multipalette = GBARegisterBGCNTGet256Color(value);
 	bg->screenBase = GBARegisterBGCNTGetScreenBase(value) << 11;
 	bg->overflow = GBARegisterBGCNTGetOverflow(value);
 	bg->size = GBARegisterBGCNTGetSize(value);
+	bg->yCache = -1;
 }
 
 static void GBAVideoSoftwareRendererWriteBGX_LO(struct GBAVideoSoftwareBackground* bg, uint16_t value) {