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* fixes to GXFIFO IRQ. refine IRQ support a bit.

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* fix potential bug when multiple DMAs are running.
This commit is contained in:
StapleButter
2017-03-03 00:48:26 +01:00
parent e0fa57fbf2
commit 2a33a5c480
8 changed files with 63 additions and 48 deletions
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12
GPU.cpp
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@ -646,8 +646,8 @@ void StartHBlank(u32 line)
if (line < 192) NDS::CheckDMAs(0, 0x02);
if (DispStat[0] & (1<<4)) NDS::TriggerIRQ(0, NDS::IRQ_HBlank);
if (DispStat[1] & (1<<4)) NDS::TriggerIRQ(1, NDS::IRQ_HBlank);
if (DispStat[0] & (1<<4)) NDS::SetIRQ(0, NDS::IRQ_HBlank);
if (DispStat[1] & (1<<4)) NDS::SetIRQ(1, NDS::IRQ_HBlank);
if (line < 262)
NDS::ScheduleEvent(NDS::Event_LCD, true, (LINE_CYCLES - HBLANK_CYCLES), StartScanline, line+1);
@ -664,7 +664,7 @@ void StartScanline(u32 line)
{
DispStat[0] |= (1<<2);
if (DispStat[0] & (1<<5)) NDS::TriggerIRQ(0, NDS::IRQ_VCount);
if (DispStat[0] & (1<<5)) NDS::SetIRQ(0, NDS::IRQ_VCount);
}
else
DispStat[0] &= ~(1<<2);
@ -673,7 +673,7 @@ void StartScanline(u32 line)
{
DispStat[1] |= (1<<2);
if (DispStat[1] & (1<<5)) NDS::TriggerIRQ(1, NDS::IRQ_VCount);
if (DispStat[1] & (1<<5)) NDS::SetIRQ(1, NDS::IRQ_VCount);
}
else
DispStat[1] &= ~(1<<2);
@ -704,8 +704,8 @@ void StartScanline(u32 line)
NDS::CheckDMAs(0, 0x01);
NDS::CheckDMAs(1, 0x11);
if (DispStat[0] & (1<<3)) NDS::TriggerIRQ(0, NDS::IRQ_VBlank);
if (DispStat[1] & (1<<3)) NDS::TriggerIRQ(1, NDS::IRQ_VBlank);
if (DispStat[0] & (1<<3)) NDS::SetIRQ(0, NDS::IRQ_VBlank);
if (DispStat[1] & (1<<3)) NDS::SetIRQ(1, NDS::IRQ_VBlank);
GPU2D_A->VBlank();
GPU2D_B->VBlank();