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melonDS
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fix gxfifo stalls being borked under certain circumstances

This commit is contained in:
Jaklyy 2024-12-20 10:42:34 -05:00
parent e0ac68c9f2
commit 98d0a6b371
1 changed files with 10 additions and 10 deletions
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20
src/NDS.cpp
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@ -1645,7 +1645,7 @@ bool NDS::MainRAMHandle()
{
if (A9ContentionTS < ARM7Timestamp)
{
if (ARM9.MRTrack.Type == MainRAMType::Null) return 0;
if (ARM9.MRTrack.Type == MainRAMType::Null || (CPUStop & CPUStop_GXStall)) return 0;
MainRAMHandleARM9();
}
else
@ -1661,7 +1661,7 @@ bool NDS::MainRAMHandle()
{
if (A9ContentionTS <= ARM7Timestamp)
{
if (ARM9.MRTrack.Type == MainRAMType::Null) return 0;
if (ARM9.MRTrack.Type == MainRAMType::Null || (CPUStop & CPUStop_GXStall)) return 0;
MainRAMHandleARM9();
}
else
@ -1748,15 +1748,15 @@ u32 NDS::RunFrame()
RunTimers(0);
GPU.GPU3D.Run();
if (ARM9.MRTrack.Type == MainRAMType::Null)
if (CPUStop & CPUStop_GXStall)
{
if (CPUStop & CPUStop_GXStall)
{
// GXFIFO stall
s32 cycles = GPU.GPU3D.CyclesToRunFor();
DMA9Timestamp = std::min(ARM9Target, std::max(ARM9Timestamp+(cycles<<ARM9ClockShift), DMA9Timestamp+(cycles<<ARM9ClockShift)));
}
else if (CPUStop & CPUStop_DMA9)
// GXFIFO stall
s32 cycles = GPU.GPU3D.CyclesToRunFor();
DMA9Timestamp = std::min(ARM9Target, std::max(ARM9Timestamp, DMA9Timestamp)+(cycles<<ARM9ClockShift));
}
else if (ARM9.MRTrack.Type == MainRAMType::Null)
{
if (CPUStop & CPUStop_DMA9)
{
DMAs[0].Run();
if (!(CPUStop & CPUStop_GXStall) && (ARM9.MRTrack.Type == MainRAMType::Null)) DMAs[1].Run();