Better cheat interface

include/cheats.hpp

@@ -26,7 +26,11 @@ class Cheats {
 	void reset();
 	void run();
 
+	void clear();
+	bool haveCheats() const { return cheatsLoaded; }
+
   private:
 	ActionReplay ar;  // An ActionReplay cheat machine for executing CTRPF codes
 	std::vector<Cheat> cheats;
+	bool cheatsLoaded = false;
 };

include/emulator.hpp

@@ -43,9 +43,6 @@ class Emulator {
 	SDL_GameController* gameController = nullptr;
 	int gameControllerID;
 
-	// Shows whether we've loaded any action replay codes
-	bool haveCheats = false;
-
 	// Variables to keep track of whether the user is controlling the 3DS analog stick with their keyboard
 	// This is done so when a gamepad is connected, we won't automatically override the 3DS analog stick settings with the gamepad's state
 	// And so the user can still use the keyboard to control the analog