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fix regression in Marvel Nemesis. keep GX cycle counter from drifting absurdly far in the negatives, and fix a few other issues.

This commit is contained in:
StapleButter 2018-11-25 17:39:43 +01:00
parent 3f8befaf4e
commit 5f1f2a7b4a
1 changed files with 9 additions and 6 deletions
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15
src/GPU3D.cpp
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@ -76,6 +76,8 @@
// * when calling BEGIN with an incomplete polygon defined
// * probably same with BOXTEST
// * when sending vertices immediately after a BOXTEST
//
// TODO: test results should probably not be presented immediately, even if we set the busy flag
// command execution notes
@ -1659,7 +1661,6 @@ void ExecuteCommand()
/*printf("0x%02X, ", entry.Command);
for (int k = 0; k < ExecParamCount; k++) printf("0x%08X, ", ExecParams[k]);
printf("\n");*/
//CycleCount += CmdNumCycles[entry.Command];
ExecParamCount = 0;
@ -2178,7 +2179,8 @@ void ExecuteCommand()
}
}
if (CycleCount > 0)
if (CycleCount > 0 || !CmdPIPE->IsEmpty() ||
VertexPipeline || NormalPipeline || PolygonPipeline)
GXStat |= (1<<27);
}
@ -2200,9 +2202,6 @@ void FinishWork(s32 cycles)
return;
GXStat &= ~(1<<27);
if (NumPushPopCommands == 0) GXStat &= ~(1<<14);
if (NumTestCommands == 0) GXStat &= ~(1<<0);
}
void Run(s32 cycles)
@ -2228,6 +2227,10 @@ void Run(s32 cycles)
if (CycleCount <= 0 && CmdPIPE->IsEmpty())
{
if (GXStat & (1<<27)) FinishWork(-CycleCount);
else CycleCount = 0;
if (NumPushPopCommands == 0) GXStat &= ~(1<<14);
if (NumTestCommands == 0) GXStat &= ~(1<<0);
}
}
@ -2465,7 +2468,7 @@ u32 Read32(u32 addr)
case 0x04000600:
{
u32 fifolevel = CmdFIFO->Level();
//printf("peeking gxstat: %08X %d, %08X\n", GXStat, fifolevel, NDS::GetPC(0));
return GXStat |
((PosMatrixStackPointer & 0x1F) << 8) |
((ProjMatrixStackPointer & 0x1) << 13) |