1 files changed, 72 insertions, 0 deletions
diff --git a/src/Ryujinx.HLE/HOS/Services/Time/Clock/StandardSteadyClockCore.cs b/src/Ryujinx.HLE/HOS/Services/Time/Clock/StandardSteadyClockCore.cs
new file mode 100644
index 00000000..8392c4b5
--- /dev/null
+++ b/src/Ryujinx.HLE/HOS/Services/Time/Clock/StandardSteadyClockCore.cs
@@ -0,0 +1,72 @@
+using Ryujinx.Cpu;
+
+namespace Ryujinx.HLE.HOS.Services.Time.Clock
+{
+    class StandardSteadyClockCore : SteadyClockCore
+    {
+        private TimeSpanType _setupValue;
+        private TimeSpanType _testOffset;
+        private TimeSpanType _internalOffset;
+        private TimeSpanType _cachedRawTimePoint;
+
+        public StandardSteadyClockCore()
+        {
+            _setupValue         = TimeSpanType.Zero;
+            _testOffset         = TimeSpanType.Zero;
+            _internalOffset     = TimeSpanType.Zero;
+            _cachedRawTimePoint = TimeSpanType.Zero;
+        }
+
+        public override SteadyClockTimePoint GetTimePoint(ITickSource tickSource)
+        {
+            SteadyClockTimePoint result = new SteadyClockTimePoint
+            {
+                TimePoint     = GetCurrentRawTimePoint(tickSource).ToSeconds(),
+                ClockSourceId = GetClockSourceId()
+            };
+
+            return result;
+        }
+
+        public override TimeSpanType GetTestOffset()
+        {
+            return _testOffset;
+        }
+
+        public override void SetTestOffset(TimeSpanType testOffset)
+        {
+            _testOffset = testOffset;
+        }
+
+        public override TimeSpanType GetInternalOffset()
+        {
+            return _internalOffset;
+        }
+
+        public override void SetInternalOffset(TimeSpanType internalOffset)
+        {
+            _internalOffset = internalOffset;
+        }
+
+        public override TimeSpanType GetCurrentRawTimePoint(ITickSource tickSource)
+        {
+            TimeSpanType ticksTimeSpan = TimeSpanType.FromTicks(tickSource.Counter, tickSource.Frequency);
+
+            TimeSpanType rawTimePoint = new TimeSpanType(_setupValue.NanoSeconds + ticksTimeSpan.NanoSeconds);
+
+            if (rawTimePoint.NanoSeconds < _cachedRawTimePoint.NanoSeconds)
+            {
+                rawTimePoint.NanoSeconds = _cachedRawTimePoint.NanoSeconds;
+            }
+
+            _cachedRawTimePoint = rawTimePoint;
+
+            return rawTimePoint;
+        }
+
+        public void SetSetupValue(TimeSpanType setupValue)
+        {
+            _setupValue = setupValue;
+        }
+    }
+}