2 files changed, 14 insertions, 0 deletions
diff --git a/Ryujinx.Graphics.Gpu/Engine/MethodFirmware.cs b/Ryujinx.Graphics.Gpu/Engine/MethodFirmware.cs
new file mode 100644
index 00000000..25a48af9
--- /dev/null
+++ b/Ryujinx.Graphics.Gpu/Engine/MethodFirmware.cs
@@ -0,0 +1,12 @@
+using Ryujinx.Graphics.Gpu.State;
+
+namespace Ryujinx.Graphics.Gpu.Engine
+{
+    partial class Methods
+    {
+        private void FirmwareCall4(GpuState state, int argument)
+        {
+            state.Write(0xd00, 1);
+        }
+    }
+}
diff --git a/Ryujinx.Graphics.Gpu/Engine/Methods.cs b/Ryujinx.Graphics.Gpu/Engine/Methods.cs
index 823ac878..31769f5a 100644
--- a/Ryujinx.Graphics.Gpu/Engine/Methods.cs
+++ b/Ryujinx.Graphics.Gpu/Engine/Methods.cs
@@ -83,6 +83,8 @@ namespace Ryujinx.Graphics.Gpu.Engine
 
             state.RegisterCallback(MethodOffset.Report, Report);
 
+            state.RegisterCallback(MethodOffset.FirmwareCall4, FirmwareCall4);
+
             state.RegisterCallback(MethodOffset.UniformBufferUpdateData, 16, UniformBufferUpdate);
 
             state.RegisterCallback(MethodOffset.UniformBufferBindVertex,         UniformBufferBindVertex);