diff --git a/BizHawk.Emulation/Consoles/Nintendo/NES/NES.cs b/BizHawk.Emulation/Consoles/Nintendo/NES/NES.cs
index 8216d2501d..d53630208f 100644
--- a/BizHawk.Emulation/Consoles/Nintendo/NES/NES.cs
+++ b/BizHawk.Emulation/Consoles/Nintendo/NES/NES.cs
@@ -117,10 +117,6 @@ namespace BizHawk.Emulation.Consoles.Nintendo
 			for (int i = 0; i < 256; i++)
 			{
 				byte db = ReadMemory((ushort)addr);
-				if (i == 1 && db != 0)
-				{
-					int zzz = 9;
-				}
 				WriteMemory(0x2004, db);
 				addr++;
 			}
@@ -180,6 +176,7 @@ namespace BizHawk.Emulation.Consoles.Nintendo
 						int r = emu.palette[pixel, 0];
 						int g = emu.palette[pixel, 1];
 						int b = emu.palette[pixel, 2];
+						Palettes.ApplyDeemphasis(ref r, ref g, ref b, deemph);
 						pixels[i] = (r<<16)|(g<<8)|b;
 						i++;
 					}
diff --git a/BizHawk.Emulation/Consoles/Nintendo/NES/PPU.run.cs b/BizHawk.Emulation/Consoles/Nintendo/NES/PPU.run.cs
index 064aa1e917..beb2c4e1bf 100644
--- a/BizHawk.Emulation/Consoles/Nintendo/NES/PPU.run.cs
+++ b/BizHawk.Emulation/Consoles/Nintendo/NES/PPU.run.cs
@@ -71,6 +71,7 @@ namespace BizHawk.Emulation.Consoles.Nintendo
 				byte pad;
 			}
 
+			//TODO - check flashing sirens in werewolf
 			int PaletteAdjustPixel(int pixel)
 			{
 				//tack on the deemph bits
diff --git a/BizHawk.Emulation/Consoles/Nintendo/NES/Palettes.cs b/BizHawk.Emulation/Consoles/Nintendo/NES/Palettes.cs
index c5ba6ed75c..e571aaf7b2 100644
--- a/BizHawk.Emulation/Consoles/Nintendo/NES/Palettes.cs
+++ b/BizHawk.Emulation/Consoles/Nintendo/NES/Palettes.cs
@@ -12,6 +12,21 @@ namespace BizHawk.Emulation.Consoles.Nintendo
 	{
 		static class Palettes
 		{
+			static float[] rtmul = { 1.239f, 0.794f, 1.019f, 0.905f, 1.023f, 0.741f, 0.75f };
+			static float[] gtmul = { 0.915f, 1.086f, 0.98f, 1.026f, 0.908f, 0.987f, 0.75f };
+			static float[] btmul = { 0.743f, 0.882f, 0.653f, 1.277f, 0.979f, 0.101f, 0.75f };
+
+			public static void ApplyDeemphasis(ref int r, ref int g, ref int b, int deemph_bits)
+			{
+				if (deemph_bits == 0) return;
+				int d = deemph_bits-1;
+				r = (int)(r * rtmul[d]);
+				g = (int)(g * gtmul[d]);
+				b = (int)(b * btmul[d]);
+				if (r > 0xFF) r = 0xFF;
+				if (g > 0xFF) g = 0xFF;
+				if (b > 0xFF) b = 0xFF;
+			}
 			public static int[,] FCEUX_Standard = new int[,]
 			{
 				{ 0x1D<<2, 0x1D<<2, 0x1D<<2 }, /* Value 0 */