Emulator: Add ProcessingUnit base class

src/apu.h

@@ -7,7 +7,9 @@
 
 #pragma once
 
-class APU {
+#include "processingunit.h"
+
+class APU : public ProcessingUnit {
 public:
 	APU();
 	virtual ~APU();

src/cpu.h

@@ -7,7 +7,9 @@
 
 #pragma once
 
-class CPU {
+#include "processingunit.h"
+
+class CPU final : public ProcessingUnit {
 public:
 	CPU();
 	virtual ~CPU();

src/ppu.h

@@ -7,7 +7,9 @@
 
 #pragma once
 
-class PPU {
+#include "processingunit.h"
+
+class PPU final : public ProcessingUnit {
 public:
 	PPU();
 	virtual ~PPU();

src/processingunit.cpp

@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) 2022 Riyyi
+ * Copyright (C) 2022 Th3FrankXD
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include "processingunit.h"
+
+ProcessingUnit::ProcessingUnit()
+{
+}
+
+ProcessingUnit::~ProcessingUnit()
+{
+}

src/processingunit.h

@@ -0,0 +1,14 @@
+/*
+ * Copyright (C) 2022 Riyyi
+ * Copyright (C) 2022 Th3FrankXD
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#pragma once
+
+class ProcessingUnit {
+public:
+	ProcessingUnit();
+	virtual ~ProcessingUnit();
+};