Initial DSP debugger work

include/audio/dsp_core.hpp

@@ -63,6 +63,8 @@ namespace Audio {
 
 		Samples& getSamples() { return sampleBuffer; }
 		virtual void setAudioEnabled(bool enable) { audioEnabled = enable; }
+
+		virtual u32 getPC() { return 0; }
 	};
 
 	std::unique_ptr<DSPCore> makeDSPCore(EmulatorConfig& config, Memory& mem, Scheduler& scheduler, DSPService& dspService);

include/audio/teakra_core.hpp

@@ -90,6 +90,7 @@ namespace Audio {
 
 		void setAudioEnabled(bool enable) override;
 		u8* getDspMemory() override { return teakra.GetDspMemory().data(); }
+		u32 getPC() override;
 
 		u16 recvData(u32 regId) override { return teakra.RecvData(regId); }
 		bool recvDataIsReady(u32 regId) override { return teakra.RecvDataIsReady(regId); }

include/emulator.hpp

@@ -126,6 +126,7 @@ class Emulator {
 	Memory& getMemory() { return memory; }
 	Kernel& getKernel() { return kernel; }
 	Scheduler& getScheduler() { return scheduler; }
+	Audio::DSPCore* getDSP() { return dsp.get(); }
 
 	EmulatorConfig& getConfig() { return config; }
 	Cheats& getCheats() { return cheats; }

include/panda_qt/dsp_debugger.hpp

@@ -0,0 +1,45 @@
+#pragma once
+#include <QLineEdit>
+#include <QListWidget>
+#include <QPlainTextEdit>
+#include <QScrollBar>
+#include <QWidget>
+
+#include "capstone.hpp"
+#include "emulator.hpp"
+#include "panda_qt/disabled_widget_overlay.hpp"
+
+class DSPDebugger : public QWidget {
+	Q_OBJECT
+	Emulator* emu;
+
+	QListWidget* disasmListWidget;
+	QScrollBar* verticalScrollBar;
+	QPlainTextEdit* registerTextEdit;
+	QTimer* updateTimer;
+	QLineEdit* addressInput;
+
+	DisabledWidgetOverlay* disabledOverlay;
+
+	bool enabled = false;
+	bool followPC = false;
+	Common::CapstoneDisassembler disassembler;
+
+  public:
+	DSPDebugger(Emulator* emulator, QWidget* parent = nullptr);
+	void enable();
+	void disable();
+
+  private:
+	// Update the state of the disassembler. Qt events should always call update, not updateDisasm/updateRegister
+	// As update properly handles thread safety
+	void update();
+	void updateDisasm();
+	void updateRegisters();
+	void scrollToPC();
+
+	bool eventFilter(QObject* obj, QEvent* event) override;
+	void showEvent(QShowEvent* event) override;
+	void resizeEvent(QResizeEvent* event) override;
+	void keyPressEvent(QKeyEvent* event) override;
+};

include/panda_qt/main_window.hpp

@@ -18,6 +18,7 @@
 #include "panda_qt/cheats_window.hpp"
 #include "panda_qt/config_window.hpp"
 #include "panda_qt/cpu_debugger.hpp"
+#include "panda_qt/dsp_debugger.hpp"
 #include "panda_qt/patch_window.hpp"
 #include "panda_qt/screen.hpp"
 #include "panda_qt/shader_editor.hpp"
@@ -112,6 +113,7 @@ class MainWindow : public QMainWindow {
 	PatchWindow* patchWindow;
 	ShaderEditorWindow* shaderEditor;
 	CPUDebugger* cpuDebugger;
+	DSPDebugger* dspDebugger;
 	ThreadDebugger* threadDebugger;
 
 	// We use SDL's game controller API since it's the sanest API that supports as many controllers as possible