piwalker/melonDS
1
0
Fork 0
mirror of https://github.com/melonDS-emu/melonDS.git synced 2025-07-23 22:29:47 -06:00
Code Issues Packages Projects Releases Wiki Activity

fix out of bounds read

Browse Source
This commit is contained in:
RSDuck
2021-01-07 18:32:28 +01:00
parent 1d8e302c13
commit e311eea1c5
3 changed files with 8 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
src/GPU.cpp
View File

@ -638,6 +638,7 @@ void MapVRAM_CD(u32 bank, u8 cnt)
case 2: // ARM7 VRAM
ofs &= 0x1;
VRAMMap_ARM7[ofs] |= bankmask;
memset(VRAMDirty[bank].Data, 0xFF, sizeof(VRAMDirty[bank].Data));
VRAMSTAT |= (1 << (bank-2));
break;
@ -1177,6 +1178,7 @@ NonStupidBitField<Size/VRAMDirtyGranularity> VRAMTrackingSet<Size, MappingGranul
{
if (currentMappings[i] != Mapping[i])
{
printf("remapped %x %x\n", currentMappings[i], Mapping[i]);
result |= NonStupidBitField<Size/VRAMDirtyGranularity>(i*VRAMBitsPerMapping, VRAMBitsPerMapping);
banksToBeZeroed |= currentMappings[i];
Mapping[i] = currentMappings[i];
@ -1265,7 +1267,6 @@ void SyncDirtyFlags()
SyncDirtyFlags(VRAMMap_AOBJ, VRAMWritten_AOBJ);
SyncDirtyFlags(VRAMMap_BBG, VRAMWritten_BBG);
SyncDirtyFlags(VRAMMap_BOBJ, VRAMWritten_BOBJ);
SyncDirtyFlags(VRAMMap_ARM7, VRAMWritten_ARM7);
}
template <u32 MappingGranularity, u32 Size>