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Immediately process ARAM DMA transfers if they are 1 block in length. Fixes the teleportation in Beyond Good and Evil. 

Fixes issue 6289.
This commit is contained in:
skidau 2013-05-03 23:20:48 +10:00
parent c80309ee1a
commit 18b0556e0d
1 changed files with 20 additions and 5 deletions
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15
Source/Core/Core/Src/HW/DSP.cpp
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@ -687,12 +687,27 @@ void UpdateAudioDMA()
void Do_ARAM_DMA()
{
if (g_arDMA.Cnt.count == 32)
{
// Beyond Good and Evil (GGEE41) sends count 32
GenerateDSPInterrupt(INT_ARAM);
}
else
{
g_dspState.DSPControl.DMAState = 1;
CoreTiming::ScheduleEvent_Threadsafe(0, et_GenerateDSPInterrupt, INT_ARAM | (1<<16));
// Force an early exception check on large transfers. Fixes RE2 audio.
// NFS:HP2 (<= 6144)
// Viewtiful Joe (<= 6144)
// Sonic Mega Collection (> 2048)
// Paper Mario battles (> 32)
// Mario Super Baseball (> 32)
// Knockout Kings 2003 loading (> 32)
// WWE DOR (> 32)
if (g_arDMA.Cnt.count > 2048 && g_arDMA.Cnt.count <= 6144)
CoreTiming::ForceExceptionCheck(100);
}
// Real hardware DMAs in 32byte chunks, but we can get by with 8byte chunks
if (g_arDMA.Cnt.dir)