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GBA Video: Fix out-of-bounds tiles in mosaic

This commit is contained in:
Jeffrey Pfau 2015-06-02 22:52:13 -07:00
parent a3a615fa7f
commit 31993afd2a
2 changed files with 58 additions and 45 deletions
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1
CHANGES
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@ -37,6 +37,7 @@ Bugfixes:
- GBA: Check for corrupted savestates when loading
- GBA: Check for improperly sized savestates when loading
- GBA: Check for savestates made from differently sized ROMs
- GBA Video: Fix out-of-bounds tiles in mosaic
Misc:
- Qt: Handle saving input settings better
- Debugger: Free watchpoints in addition to breakpoints

12
src/gba/renderers/video-software.c
View File

@ -981,6 +981,9 @@ static inline void _compositeNoBlendNoObjwin(struct GBAVideoSoftwareRenderer* re
BACKGROUND_TEXT_SELECT_CHARACTER; \
} \
charBase = (background->charBase + (GBA_TEXT_MAP_TILE(mapData) << 5)) + (localY << 2); \
if (UNLIKELY(charBase >= 0x10000)) { \
carryData = 0; \
} else { \
paletteData = GBA_TEXT_MAP_PALETTE(mapData) << 4; \
palette = &mainPalette[paletteData]; \
LOAD_32(tileData, charBase, vram); \
@ -999,12 +1002,16 @@ static inline void _compositeNoBlendNoObjwin(struct GBAVideoSoftwareRenderer* re
tileData |= tileData << 28; \
carryData = tileData; \
} \
} \
for (; length; ++tileX) { \
BACKGROUND_TEXT_SELECT_CHARACTER; \
charBase = (background->charBase + (GBA_TEXT_MAP_TILE(mapData) << 5)) + (localY << 2); \
tileData = carryData; \
for (; x < 8 && length; ++x, --length) { \
if (!mosaicWait) { \
if (UNLIKELY(charBase >= 0x10000)) { \
carryData = 0; \
} else { \
paletteData = GBA_TEXT_MAP_PALETTE(mapData) << 4; \
palette = &mainPalette[paletteData]; \
LOAD_32(tileData, charBase, vram); \
@ -1022,6 +1029,7 @@ static inline void _compositeNoBlendNoObjwin(struct GBAVideoSoftwareRenderer* re
tileData |= tileData << 24; \
tileData |= tileData << 28; \
carryData = tileData; \
} \
mosaicWait = mosaicH; \
} \
--mosaicWait; \
@ -1247,6 +1255,9 @@ static inline void _compositeNoBlendNoObjwin(struct GBAVideoSoftwareRenderer* re
tileData = carryData; \
for (x = 0; x < 8; ++x) { \
if (!mosaicWait) { \
if (UNLIKELY(charBase >= 0x10000)) { \
carryData = 0; \
} else { \
if (!GBA_TEXT_MAP_HFLIP(mapData)) { \
if (x >= 4) { \
LOAD_32(tileData, charBase + 4, vram); \
@ -1266,6 +1277,7 @@ static inline void _compositeNoBlendNoObjwin(struct GBAVideoSoftwareRenderer* re
} \
tileData &= 0xFF; \
carryData = tileData; \
} \
mosaicWait = mosaicH; \
} \
tileData |= tileData << 8; \