diff --git a/src/apu.cpp b/src/apu.cpp
new file mode 100644
index 0000000..72027e0
--- /dev/null
+++ b/src/apu.cpp
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) 2022 Riyyi
+ * Copyright (C) 2022 Th3FrankXD
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include "apu.h"
+
+APU::APU()
+{
+}
+
+APU::~APU()
+{
+}
diff --git a/src/apu.h b/src/apu.h
new file mode 100644
index 0000000..aba98d2
--- /dev/null
+++ b/src/apu.h
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) 2022 Riyyi
+ * Copyright (C) 2022 Th3FrankXD
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#pragma once
+
+#include "processingunit.h"
+
+class APU : public ProcessingUnit {
+public:
+	APU();
+	virtual ~APU();
+};
diff --git a/src/cpu.cpp b/src/cpu.cpp
new file mode 100644
index 0000000..6ce2bc7
--- /dev/null
+++ b/src/cpu.cpp
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) 2022 Riyyi
+ * Copyright (C) 2022 Th3FrankXD
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include "cpu.h"
+
+CPU::CPU()
+{
+}
+
+CPU::~CPU()
+{
+}
diff --git a/src/cpu.h b/src/cpu.h
new file mode 100644
index 0000000..1f94e0c
--- /dev/null
+++ b/src/cpu.h
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) 2022 Riyyi
+ * Copyright (C) 2022 Th3FrankXD
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#pragma once
+
+#include "processingunit.h"
+
+class CPU final : public ProcessingUnit {
+public:
+	CPU();
+	virtual ~CPU();
+};
diff --git a/src/dma.cpp b/src/dma.cpp
new file mode 100644
index 0000000..f008d82
--- /dev/null
+++ b/src/dma.cpp
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) 2022 Riyyi
+ * Copyright (C) 2022 Th3FrankXD
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include "dma.h"
+
+DMA::DMA()
+{
+}
+
+DMA::~DMA()
+{
+}
diff --git a/src/dma.h b/src/dma.h
new file mode 100644
index 0000000..252240a
--- /dev/null
+++ b/src/dma.h
@@ -0,0 +1,14 @@
+/*
+ * Copyright (C) 2022 Riyyi
+ * Copyright (C) 2022 Th3FrankXD
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#pragma once
+
+class DMA {
+public:
+	DMA();
+	virtual ~DMA();
+};
diff --git a/src/ppu.cpp b/src/ppu.cpp
new file mode 100644
index 0000000..93b3398
--- /dev/null
+++ b/src/ppu.cpp
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) 2022 Riyyi
+ * Copyright (C) 2022 Th3FrankXD
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include "ppu.h"
+
+PPU ::PPU()
+{
+}
+
+PPU ::~PPU()
+{
+}
diff --git a/src/ppu.h b/src/ppu.h
new file mode 100644
index 0000000..9d7a0d2
--- /dev/null
+++ b/src/ppu.h
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) 2022 Riyyi
+ * Copyright (C) 2022 Th3FrankXD
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#pragma once
+
+#include "processingunit.h"
+
+class PPU final : public ProcessingUnit {
+public:
+	PPU();
+	virtual ~PPU();
+};
diff --git a/src/processingunit.cpp b/src/processingunit.cpp
new file mode 100644
index 0000000..851c7b8
--- /dev/null
+++ b/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()
+{
+}
diff --git a/src/processingunit.h b/src/processingunit.h
new file mode 100644
index 0000000..d43d5dd
--- /dev/null
+++ b/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();
+};