[Cheats] Add boilerplate

include/cheats.hpp

@@ -0,0 +1,24 @@
+#pragma once
+#include <array>
+#include <vector>
+
+#include "helpers.hpp"
+
+class ActionReplay {
+	using Cheat = std::vector<u32>;  // A cheat is really just a bunch of u32 opcodes
+	std::vector<Cheat> cheats;
+
+	u32 offset1, offset2;    // Memory offset registers. Non-persistent.
+	u32 data1, data2;        // Data offset registers. Non-persistent.
+	u32 storage1, storage2;  // Storage registers. Persistent.
+
+	// When an instruction does not specify which offset or data register to use, we use the "active" one
+	// Which is by default #1 and may be changed by certain AR operations
+	u32 *activeOffset, *activeData;
+
+  public:
+	ActionReplay();
+	void addCheat(const Cheat& cheat);
+	void runCheats();
+	void reset();
+};