Stack v1

src/main/java/fabrik/simulator/pic16f84/ProgramStack.java

@@ -0,0 +1,25 @@
+package fabrik.simulator.pic16f84;
+
+import java.util.ArrayDeque;
+import java.util.Deque;
+
+public class ProgramStack {
+    private static Deque<Integer> returnStack = new ArrayDeque<>();
+
+    public static void push(int value) {
+        if (returnStack.size() != 7)
+            returnStack.push(value);
+        else {
+            System.out.println("Stack overflow");
+        }
+
+    }
+
+    public static int pop() {
+        return returnStack.pop();
+    }
+
+    public static Deque<Integer> getStack() {
+        return returnStack;
+    }
+}