Added missing files

Core/PPU.cpp

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+#include "stdafx.h"

Core/PPU.h

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+#include "stdafx.h"
+
+enum PPURegisters
+{
+	Control = 0x00,
+	Control2 = 0x01,
+	Status = 0x02,
+	SpriteAddr = 0x03,
+	SpriteData = 0x04,
+	ScrollOffsets = 0x05,
+	VideoMemoryAddr = 0x06,
+	VideoMemoryData = 0x07
+};
+
+struct PPUState
+{
+	uint16_t Control;
+	uint8_t Status;
+	uint8_t SpriteRamAddr;
+	uint16_t VideoRamAddr;
+};
+
+class PPU : public IMemoryHandler
+{
+private:
+	PPUState _state;
+	uint8_t _spriteRAM[256];
+	uint8_t _videoRAM[16*1024];
+
+	PPURegisters GetRegisterID(uint16_t addr) {
+		return (PPURegisters)(addr & 0x07);
+	}
+
+public:
+	PPU() {
+		_state = {};
+		_state.Status |= 0xFF;
+	}
+
+	uint8_t MemoryRead(uint16_t addr)	{
+		switch(GetRegisterID(addr)) {
+			case PPURegisters::Control:
+				return (uint8_t)_state.Control;
+			case PPURegisters::Control2:
+				return (uint8_t)(_state.Control >> 8);
+			case PPURegisters::Status:
+				return _state.Status;
+			case PPURegisters::SpriteData:
+				return _spriteRAM[_state.SpriteRamAddr];
+			case PPURegisters::VideoMemoryData:
+				return _videoRAM[_state.VideoRamAddr];
+		}
+	}
+
+	void MemoryWrite(uint16_t addr, uint8_t value) {
+
+	}
+};

Core/stdafx.cpp

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+#include "stdafx.h"