From d87b5e732417a2797eff22b3593be2ef44d6aa3d Mon Sep 17 00:00:00 2001
From: goyuken <goyuken@4bbf4f03-6f44-549e-7e59-35d4b0962838>
Date: Sat, 4 May 2013 01:30:39 +0000
Subject: [PATCH] n64: turn right side up again

---
 BizHawk.Emulation/Consoles/Nintendo/N64/N64.cs | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/BizHawk.Emulation/Consoles/Nintendo/N64/N64.cs b/BizHawk.Emulation/Consoles/Nintendo/N64/N64.cs
index e1ef907823..a302aebea6 100644
--- a/BizHawk.Emulation/Consoles/Nintendo/N64/N64.cs
+++ b/BizHawk.Emulation/Consoles/Nintendo/N64/N64.cs
@@ -349,14 +349,22 @@ namespace BizHawk.Emulation.Consoles.Nintendo.N64
 		[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
 		public delegate void StartupCallback();
 
-		//byte[] m64p_FrameBuffer = new byte[800 * 600 * 3];
+		int[] m64p_FrameBuffer = new int[800 * 600];
 		public void Getm64pFrameBuffer()
 		{
 			int width = 0;
 			int height = 0;
-			//GFXReadScreen2(m64p_FrameBuffer, ref width, ref height, 0);
-			GFXReadScreen2(frameBuffer, ref width, ref height, 0);
-			//m64pFrameComplete = true;
+			GFXReadScreen2(m64p_FrameBuffer, ref width, ref height, 0);
+			
+			// vflip
+			int fromindex = 800 * 599 * 4;
+			int toindex = 0;
+			for (int j = 0; j < 600; j++)
+			{
+				Buffer.BlockCopy(m64p_FrameBuffer, fromindex, frameBuffer, toindex, 800 * 4);
+				fromindex -= 800 * 4;
+				toindex += 800 * 4;
+			}
 		}
 
 		[UnmanagedFunctionPointer(CallingConvention.Cdecl)]