Split out play resolution

07_Basketball/csharp/Clock.cs

@@ -0,0 +1,32 @@
+using Basketball.Resources;
+using Games.Common.IO;
+
+namespace Basketball;
+
+internal class Clock
+{
+    private readonly IReadWrite _io;
+    private int time;
+
+    public Clock(IReadWrite io) => _io = io;
+
+    public bool IsHalfTime => time == 50;
+    public bool IsFullTime => time >= 100;
+    public bool TwoMinutesLeft => time == 92;
+
+    public void Increment(Scoreboard scoreboard)
+    {
+        time += 1;
+        if (IsHalfTime)
+        {
+            scoreboard.Display(Resource.Formats.EndOfFirstHalf);
+            // Loop back to center jump;
+        }
+        if (TwoMinutesLeft)
+        {
+            _io.Write(Resource.Streams.TwoMinutesLeft);
+        }
+    }
+
+    public void StartOvertime() => time = 93;
+}