diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/LibmGBA.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/LibmGBA.cs
index 15ffeccd58..62da32fbfd 100644
--- a/BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/LibmGBA.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/LibmGBA.cs
@@ -25,7 +25,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBA
 		public static extern bool BizLoad(IntPtr ctx, byte[] data, int length);
 
 		[DllImport(dll, CallingConvention = cc)]
-		public static extern void BizAdvance(IntPtr ctx, int keys, int[] vbuff, ref int nsamp, short[] sbuff);
+		public static extern void BizAdvance(IntPtr ctx, LibVBANext.Buttons keys, int[] vbuff, ref int nsamp, short[] sbuff);
 
 	}
 }
diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/MGBAHawk.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/MGBAHawk.cs
index 507fec1b2d..2579ac80d7 100644
--- a/BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/MGBAHawk.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/MGBAHawk.cs
@@ -40,15 +40,16 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBA
 		}
 
 		public IEmulatorServiceProvider ServiceProvider { get; private set; }
-
 		public ControllerDefinition ControllerDefinition { get { return GBA.GBAController; } }
-
 		public IController Controller { get; set; }
 
 		public void FrameAdvance(bool render, bool rendersound = true)
 		{
 			Frame++;
-			LibmGBA.BizAdvance(core, 0, videobuff, ref nsamp, soundbuff);
+			if (Controller["Power"])
+				LibmGBA.BizReset(core);
+
+			LibmGBA.BizAdvance(core, VBANext.GetButtons(Controller), videobuff, ref nsamp, soundbuff);
 		}
 
 		public int Frame { get; private set; }
@@ -98,6 +99,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBA
 		{
 			nsamp = this.nsamp;
 			samples = soundbuff;
+			Console.WriteLine(nsamp);
 			DiscardSamples();
 		}
 		public void DiscardSamples()
diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/VBANext.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/VBANext.cs
index a56d208be7..8dc7473d4f 100644
--- a/BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/VBANext.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/VBANext.cs
@@ -108,7 +108,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBA
 
 			SyncTraceCallback();
 
-			IsLagFrame = LibVBANext.FrameAdvance(Core, GetButtons(), videobuff, soundbuff, out numsamp, videopalette);
+			IsLagFrame = LibVBANext.FrameAdvance(Core, GetButtons(Controller), videobuff, soundbuff, out numsamp, videopalette);
 
 			if (IsLagFrame)
 				LagCount++;
@@ -210,12 +210,12 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBA
 		public ControllerDefinition ControllerDefinition { get { return GBA.GBAController; } }
 		public IController Controller { get; set; }
 
-		private LibVBANext.Buttons GetButtons()
+		public static LibVBANext.Buttons GetButtons(IController c)
 		{
 			LibVBANext.Buttons ret = 0;
 			foreach (string s in Enum.GetNames(typeof(LibVBANext.Buttons)))
 			{
-				if (Controller[s])
+				if (c[s])
 					ret |= (LibVBANext.Buttons)Enum.Parse(typeof(LibVBANext.Buttons), s);
 			}
 			return ret;