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GBA Memory: Fix STM to VRAM (fixes #1430)

This commit is contained in:
Vicki Pfau 2019-05-30 12:26:49 -07:00
parent 0cace151e1
commit ba00cdfc02
2 changed files with 34 additions and 19 deletions
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1
CHANGES
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@ -19,6 +19,7 @@ Emulation fixes:
- GB Video: Fix window being enabled mid-scanline (fixes mgba.io/i/1328)
- GB I/O: Filter IE top bits properly (fixes mgba.io/i/1329)
- GBA Video: Fix wrapped sprite mosaic clamping (fixes mgba.io/i/1432)
- GBA Memory: Fix STM to VRAM (fixes mgba.io/i/1430)
Other fixes:
- Qt: Fix some Qt display driver race conditions
- Core: Improved lockstep driver reliability (Le Hoang Quyen)

52
src/gba/memory.c
View File

@ -396,9 +396,10 @@ static void GBASetActiveRegion(struct ARMCore* cpu, uint32_t address) {
value = 0; \
break; \
} \
address &= 0x00017FFC; \
LOAD_32(value, address & 0x00017FFC, gba->video.vram); \
} else { \
LOAD_32(value, address & 0x0001FFFC, gba->video.vram); \
} \
LOAD_32(value, address & 0x0001FFFC, gba->video.vram); \
wait += waitstatesRegion[REGION_VRAM];
#define LOAD_OAM LOAD_32(value, address & (SIZE_OAM - 4), gba->video.oam.raw);
@ -530,9 +531,10 @@ uint32_t GBALoad16(struct ARMCore* cpu, uint32_t address, int* cycleCounter) {
value = 0;
break;
}
address &= 0x00017FFE;
LOAD_16(value, address & 0x00017FFE, gba->video.vram);
} else {
LOAD_16(value, address & 0x0001FFFE, gba->video.vram);
}
LOAD_16(value, address & 0x0001FFFE, gba->video.vram);
break;
case REGION_OAM:
LOAD_16(value, address & (SIZE_OAM - 2), gba->video.oam.raw);
@ -645,9 +647,10 @@ uint32_t GBALoad8(struct ARMCore* cpu, uint32_t address, int* cycleCounter) {
value = 0;
break;
}
address &= 0x00017FFF;
value = ((uint8_t*) gba->video.vram)[address & 0x00017FFF];
} else {
value = ((uint8_t*) gba->video.vram)[address & 0x0001FFFF];
}
value = ((uint8_t*) gba->video.vram)[address & 0x0001FFFF];
break;
case REGION_OAM:
value = ((uint8_t*) gba->video.oam.raw)[address & (SIZE_OAM - 1)];
@ -734,13 +737,19 @@ uint32_t GBALoad8(struct ARMCore* cpu, uint32_t address, int* cycleCounter) {
mLOG(GBA_MEM, GAME_ERROR, "Bad VRAM Store32: 0x%08X", address); \
break; \
} \
address &= 0x00017FFC; \
} \
LOAD_32(oldValue, address & 0x0001FFFC, gba->video.vram); \
if (oldValue != value) { \
STORE_32(value, address & 0x0001FFFC, gba->video.vram); \
gba->video.renderer->writeVRAM(gba->video.renderer, (address & 0x0001FFFC) + 2); \
gba->video.renderer->writeVRAM(gba->video.renderer, (address & 0x0001FFFC)); \
LOAD_32(oldValue, address & 0x00017FFC, gba->video.vram); \
if (oldValue != value) { \
STORE_32(value, address & 0x00017FFC, gba->video.vram); \
gba->video.renderer->writeVRAM(gba->video.renderer, (address & 0x00017FFC) + 2); \
gba->video.renderer->writeVRAM(gba->video.renderer, (address & 0x00017FFC)); \
} \
} else { \
LOAD_32(oldValue, address & 0x0001FFFC, gba->video.vram); \
if (oldValue != value) { \
STORE_32(value, address & 0x0001FFFC, gba->video.vram); \
gba->video.renderer->writeVRAM(gba->video.renderer, (address & 0x0001FFFC) + 2); \
gba->video.renderer->writeVRAM(gba->video.renderer, (address & 0x0001FFFC)); \
} \
} \
wait += waitstatesRegion[REGION_VRAM];
@ -855,12 +864,17 @@ void GBAStore16(struct ARMCore* cpu, uint32_t address, int16_t value, int* cycle
mLOG(GBA_MEM, GAME_ERROR, "Bad VRAM Store16: 0x%08X", address);
break;
}
address &= 0x00017FFE;
}
LOAD_16(oldValue, address & 0x0001FFFE, gba->video.vram);
if (value != oldValue) {
STORE_16(value, address & 0x0001FFFE, gba->video.vram);
gba->video.renderer->writeVRAM(gba->video.renderer, address & 0x0001FFFE);
LOAD_16(oldValue, address & 0x00017FFE, gba->video.vram);
if (value != oldValue) {
STORE_16(value, address & 0x00017FFE, gba->video.vram);
gba->video.renderer->writeVRAM(gba->video.renderer, address & 0x00017FFE);
}
} else {
LOAD_16(oldValue, address & 0x0001FFFE, gba->video.vram);
if (value != oldValue) {
STORE_16(value, address & 0x0001FFFE, gba->video.vram);
gba->video.renderer->writeVRAM(gba->video.renderer, address & 0x0001FFFE);
}
}
break;
case REGION_OAM: