Add capacity for enforcing a delay.

Storage/TimedEventLoop.cpp

@@ -17,6 +17,10 @@ using namespace Storage;
 TimedEventLoop::TimedEventLoop(Cycles::IntType input_clock_rate) :
 	input_clock_rate_(input_clock_rate) {}
 
+void TimedEventLoop::add_delay(const Cycles cycles) {
+	cycles_until_event_ += cycles.get();
+}
+
 void TimedEventLoop::run_for(const Cycles cycles) {
 	auto remaining_cycles = cycles.get();
 #ifndef NDEBUG

Storage/TimedEventLoop.hpp

@@ -46,7 +46,12 @@ public:
 	/*!
 		Advances the event loop by @c number_of_cycles cycles.
 	*/
-	void run_for(const Cycles);
+	void run_for(Cycles);
+
+	/*!
+		Extends the amount of time until the next event fires.
+	*/
+	void add_delay(Cycles);
 
 	/*!
 		@returns the number of whole cycles remaining until the next event is triggered.