diff --git a/src/andGate.cpp b/src/andGate.cpp
new file mode 100644
index 0000000..e69de29
diff --git a/src/andGate.h b/src/andGate.h
new file mode 100644
index 0000000..f2ab0fd
--- /dev/null
+++ b/src/andGate.h
@@ -0,0 +1,10 @@
+#ifndef AND
+#define AND
+
+class andGate : public gate {
+	public:
+		andGate(wire* wire1 = nullptr, wire* wire2 = nullptr, wire* wire3 = nullptr);
+		int evaluate();
+};
+
+#endif // !AND
diff --git a/src/gate.h b/src/gate.h
index aa293e2..f63152a 100644
--- a/src/gate.h
+++ b/src/gate.h
@@ -1,16 +1,15 @@
 #ifndef GATE
 #define GATE
+class wire;
 
 class gate {
 	public:
-		gate(wire* wire1 = nullptr, wire* wire2 = nullptr, wire* wire3 = nullptr);
-		virtual int getOutput() = 0;
+		gate();
+		virtual int evaluate() = 0;
+
 	protected:
 		wire* in1, in2, out;
-	/* TODO
-	 * delay
-	 * type
-	 */
+		int delay;
 };
 
 #endif // !GATE
diff --git a/src/notGate.cpp b/src/notGate.cpp
new file mode 100644
index 0000000..e69de29
diff --git a/src/notGate.h b/src/notGate.h
new file mode 100644
index 0000000..210ea80
--- /dev/null
+++ b/src/notGate.h
@@ -0,0 +1,9 @@
+#ifndef NOT
+#define NOT
+
+class not : public gate {
+	notGate(wire* wire1 = nullptr, wire* wire2 = nullptr);
+	int evaluate();
+};
+
+#endif // !NOT
diff --git a/src/orGate.cpp b/src/orGate.cpp
new file mode 100644
index 0000000..e69de29
diff --git a/src/orGate.h b/src/orGate.h
new file mode 100644
index 0000000..178e872
--- /dev/null
+++ b/src/orGate.h
@@ -0,0 +1,9 @@
+#ifndef OR
+#define OR
+
+class orGate : public gate {
+	orGate(wire* wire1 = nullptr, wire* wire2 = nullptr, wire* wire3 = nullptr);
+	int evaluate();
+};
+
+#endif // !OR
diff --git a/src/pQueue.h b/src/pQueue.h
new file mode 100644
index 0000000..a5c8b34
--- /dev/null
+++ b/src/pQueue.h
@@ -0,0 +1,8 @@
+#ifndef pQUEUE
+#define pQUEUE
+
+class pQueue {
+	//TODO
+};
+
+#endif // !pQUEUE
diff --git a/src/radec.cpp b/src/radec.cpp
new file mode 100644
index 0000000..08fad7c
--- /dev/null
+++ b/src/radec.cpp
@@ -0,0 +1,33 @@
+#include "wire.h"
+#include "pQueue.h"
+#include "orGate.h"
+#include "andGate.h"
+#include "notGate.h"
+
+int main() {
+	// 1. Parse circuit file to create in-memory data structure of Gates and Wires
+	//		to simulate
+	vector<gate*> gates;
+	vector<wire*> wires;
+	string fileName;
+	getline(cin, fileName);
+	bool parseSuccess = parseCircuit(gates, wires, fileName);
+
+	if(parseSuccess) {
+		// 2. Parse the vector file to initialize the simulation Queue with initial
+		//		Wire state (i.e., value) changes
+		queue e;
+		parseSuccess = e.parseVector(fileName);
+
+	// 3. Simulate the circuit using Event-driven control
+	// first, remove the top Event e in the Queue
+	// second, determine if e causes a future Wire state change
+	// third, create and queue any future Wire state changes as new Events
+	// fourth, apply e's effects
+
+	// 4. Print the results of the simulation
+}
+
+bool parseCircuit(gates, wires) {
+	//TODO
+}
diff --git a/src/wire.h b/src/wire.h
index cd4c638..0bc88d4 100644
--- a/src/wire.h
+++ b/src/wire.h
@@ -1,15 +1,26 @@
 #ifndef WIRE
 #define WIRE
 
+#include <vector>
+#include <queue>
+#include <string>
+
+class gate;
+
 class wire {
-	/* TODO:
-	 * data members:
-	 * state
-	 * gate connections
-	 * wire number
-	 * name
-	 * is input/output
-	 */
+	public:
+		wire(int number, string name = "");
+
+		int getState() const;
+		void setState(bool newValue, int setTime);
+
+		void addGate(gate* newGate);
+
+	private:
+		int wireNumber, value;
+		string name;
+		bool isInput;
+		vector<gate*> gates;
 };
 
 #endif // !WIRE