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GB, GBA Savedata: Fix savestate-related save overwriting (fixes #834)

This commit is contained in:
Vicki Pfau 2017-08-04 12:42:10 -07:00
parent 36c4d24d91
commit 25a716b6a8
3 changed files with 9 additions and 1 deletions
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1
CHANGES
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@ -14,6 +14,7 @@ Bugfixes:
- GB MBC: Fix RTC initialization (fixes mgba.io/i/825)
- GB MBC: Fix RTC loading when file size is off
- GB Serialize: Fix deserializing video STAT
- GB, GBA Savedata: Fix savestate-related save overwriting (fixes mgba.io/i/834)
Misc:
- Qt: Don't rebuild library view if style hasn't changed
- SDL: Fix 2.0.5 build on macOS under some circumstances

8
src/gb/gb.c
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@ -219,7 +219,7 @@ void GBResizeSram(struct GB* gb, size_t size) {
void GBSramClean(struct GB* gb, uint32_t frameCount) {
// TODO: Share with GBASavedataClean
if (!gb->sramVf || gb->sramVf != gb->sramRealVf) {
if (!gb->sramVf) {
return;
}
if (gb->sramDirty & GB_SRAM_DIRT_NEW) {
@ -229,6 +229,9 @@ void GBSramClean(struct GB* gb, uint32_t frameCount) {
gb->sramDirty |= GB_SRAM_DIRT_SEEN;
}
} else if ((gb->sramDirty & GB_SRAM_DIRT_SEEN) && frameCount - gb->sramDirtAge > CLEANUP_THRESHOLD) {
if (gb->sramMaskWriteback) {
GBSavedataUnmask(gb);
}
if (gb->memory.mbcType == GB_MBC3_RTC) {
GBMBCRTCWrite(gb);
}
@ -258,7 +261,9 @@ void GBSavedataUnmask(struct GB* gb) {
gb->sramVf = gb->sramRealVf;
gb->memory.sram = gb->sramVf->map(gb->sramVf, gb->sramSize, MAP_WRITE);
if (gb->sramMaskWriteback) {
vf->seek(vf, 0, SEEK_SET);
vf->read(vf, gb->memory.sram, gb->sramSize);
gb->sramMaskWriteback = false;
}
vf->close(vf);
}
@ -286,6 +291,7 @@ void GBUnloadROM(struct GB* gb) {
gb->memory.mbcType = GB_MBC_AUTODETECT;
gb->isPristine = false;
gb->sramMaskWriteback = false;
GBSavedataUnmask(gb);
GBSramDeinit(gb);
if (gb->sramRealVf) {

1
src/gba/memory.c
View File

@ -90,6 +90,7 @@ void GBAMemoryDeinit(struct GBA* gba) {
if (gba->memory.rom) {
mappedMemoryFree(gba->memory.rom, gba->memory.romSize);
}
gba->memory.savedata.maskWriteback = false;
GBASavedataUnmask(&gba->memory.savedata);
GBASavedataDeinit(&gba->memory.savedata);
if (gba->memory.savedata.realVf) {