From 3e4ebb0dbd7c2ec036339af28d767cdcda3c202b Mon Sep 17 00:00:00 2001
From: alyosha-tas <alexei.f.k@gmail.com>
Date: Sat, 25 Nov 2017 22:02:04 -0500
Subject: [PATCH] GBHawk: GPU Viewer get updates correctly

---
 .../Consoles/Nintendo/GBHawk/GBHawk.IEmulator.cs            | 6 ++++++
 BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/PPU.cs     | 1 +
 2 files changed, 7 insertions(+)

diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GBHawk.IEmulator.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GBHawk.IEmulator.cs
index 9c259f69f3..af6cc525d9 100644
--- a/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GBHawk.IEmulator.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GBHawk.IEmulator.cs
@@ -62,6 +62,12 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBHawk
 
 			do_frame();
 
+			if (_scanlineCallback != null)
+			{
+				GetGPU();
+				_scanlineCallback(ppu.LCDC);
+			}
+
 			if (_islag)
 			{
 				_lagcount++;
diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/PPU.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/PPU.cs
index 21bb929a38..4c61d66dd2 100644
--- a/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/PPU.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/PPU.cs
@@ -227,6 +227,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBHawk
 					{
 						if (Core._scanlineCallback != null)
 						{
+							Core.GetGPU();
 							Core._scanlineCallback(LCDC);
 						}						
 					}