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Add delays in some timing funcs that games tightloop.

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Greatly improves performance in Legend of Heroes 1.
This commit is contained in:
Unknown W. Brackets 2013-03-19 07:48:41 -07:00
parent a7bf56e2ae
commit 75c5afa147
4 changed files with 13 additions and 5 deletions
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9
Core/HLE/HLE.cpp
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@ -345,10 +345,15 @@ u64 hleDelayResult(u64 result, const char *reason, int usec)
return result;
}
void hleEatMicro(int usec)
void hleEatCycles(int cycles)
{
// Maybe this should Idle, at least for larger delays? Could that cause issues?
currentMIPS->downcount -= (int) usToCycles(usec);
currentMIPS->downcount -= cycles;
}
void hleEatMicro(int usec)
{
hleEatCycles((int) usToCycles(usec));
}
inline void hleFinishSyscall(int modulenum, int funcnum)

1
Core/HLE/HLE.h
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@ -90,6 +90,7 @@ void hleDebugBreak();
// Delays the result for usec microseconds, allowing other threads to run during this time.
u32 hleDelayResult(u32 result, const char *reason, int usec);
u64 hleDelayResult(u64 result, const char *reason, int usec);
void hleEatCycles(int cycles);
void hleEatMicro(int usec);
inline int hleDelayResult(int result, const char *reason, int usec)

6
Core/HLE/sceDisplay.cpp
View File

@ -543,7 +543,7 @@ u32 sceDisplayWaitVblank() {
return 0;
} else {
DEBUG_LOG(HLE,"sceDisplayWaitVblank() - not waiting since in vBlank");
hleEatMicro(5);
hleEatCycles(5 * 222);
return 1;
}
}
@ -563,7 +563,7 @@ u32 sceDisplayWaitVblankCB() {
return 0;
} else {
DEBUG_LOG(HLE,"sceDisplayWaitVblank() - not waiting since in vBlank");
hleEatMicro(5);
hleEatCycles(5 * 222);
return 1;
}
}
@ -585,7 +585,7 @@ u32 sceDisplayWaitVblankStartMultiCB(int vblanks) {
u32 sceDisplayGetVcount() {
VERBOSE_LOG(HLE,"%i=sceDisplayGetVcount()", vCount);
hleEatMicro(2);
hleEatCycles(2 * 222);
return vCount;
}

2
Core/HLE/sceKernelTime.cpp
View File

@ -64,6 +64,7 @@ int sceKernelGetSystemTime(u32 sysclockPtr)
u64 t = CoreTiming::GetTicks() / CoreTiming::GetClockFrequencyMHz();
Memory::Write_U64(t, sysclockPtr);
DEBUG_LOG(HLE, "sceKernelGetSystemTime(out:%16llx)", t);
hleEatCycles(2 * 222);
return 0;
}
@ -107,6 +108,7 @@ int sceKernelSysClock2USec(u32 sysclockPtr, u32 highPtr, u32 lowPtr)
Memory::Write_U32(highResult, highPtr);
if (Memory::IsValidAddress(lowPtr))
Memory::Write_U32(lowResult, lowPtr);
hleEatCycles(2 * 222);
return 0;
}