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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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9
GPU3D.cpp
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@ -1324,6 +1324,11 @@ void ExecuteCommand()
Viewport[2] = ((ExecParams[0] >> 16) & 0xFF) - Viewport[0] + 1;
Viewport[3] = (ExecParams[0] >> 24) - Viewport[1] + 1;
break;
default:
//if (entry.Command != 0x41)
//printf("!! UNKNOWN GX COMMAND %02X %08X\n", entry.Command, entry.Param);
break;
}
}
}
@ -1360,7 +1365,8 @@ void CheckFIFOIRQ()
case 2: irq = CmdFIFO->IsEmpty(); break;
}
if (irq) NDS::TriggerIRQ(0, NDS::IRQ_GXFIFO);
if (irq) NDS::SetIRQ(0, NDS::IRQ_GXFIFO);
else NDS::ClearIRQ(0, NDS::IRQ_GXFIFO);
}
void CheckFIFODMA()
@ -1456,6 +1462,7 @@ void Write32(u32 addr, u32 val)
val &= 0xC0000000;
GXStat &= 0x3FFFFFFF;
GXStat |= val;
CheckFIFOIRQ();
return;
}