PCE: Fixed emulator crash when running large block transfers

SourMesen · May 13, 2024 · 6cc490e · 6cc490e
1 parent c61297c
commit 6cc490e
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Showing 3 changed files with 12 additions and 0 deletions.
diff --git a/Core/PCE/PceConsole.cpp b/Core/PCE/PceConsole.cpp
@@ -163,6 +163,15 @@ void PceConsole::RunFrame()
 	_psg->PlayQueuedAudio();
 }
 
+void PceConsole::ProcessEndOfFrame()
+{
+	//Run the PSG at least once per frame to prevent issues when a very
+	//large block transfer (TIA, etc.) is running across multiple frames
+	//(RunFrame above can run more than one frame in this scenario, which can cause issues)
+	_psg->Run();
+	_psg->PlayQueuedAudio();
+}
+
 void PceConsole::SaveBattery()
 {
 	if(_cdrom) {

diff --git a/Core/PCE/PceConsole.h b/Core/PCE/PceConsole.h
@@ -59,6 +59,8 @@ class PceConsole final: public IConsole
 
 	void RunFrame() override;
 
+	void ProcessEndOfFrame();
+
 	void SaveBattery() override;
 
 	BaseControlManager* GetControlManager() override;

diff --git a/Core/PCE/PceVpc.cpp b/Core/PCE/PceVpc.cpp
@@ -300,6 +300,7 @@ void PceVpc::SendFrame(PceVdc* vdc)
 		}
 	}
 
+	_console->ProcessEndOfFrame();
 	_emu->ProcessEndOfFrame();
 
 	_console->GetControlManager()->UpdateInputState();