diff --git a/src/fragglescript/t_func.cpp b/src/fragglescript/t_func.cpp
index ea9600afa..2348448ac 100644
--- a/src/fragglescript/t_func.cpp
+++ b/src/fragglescript/t_func.cpp
@@ -3891,11 +3891,11 @@ void FParser::SF_SetColor(void)
 			else
 			{
 				// little hack for testing the D64 color stuff.
-				for (int j = 0; j < 4; j++) level.sectors[i].SpecialColors[j] = color;
+				for (int j = 0; j < 4; j++) level.sectors[i].SetSpecialColor(j, color);
 				// simulates 'nocoloredspritelighting' settings.
 				int v = (color.r + color.g + color.b) / 3;
 				v = (255 + v + v) / 3;
-				level.sectors[i].SpecialColors[sector_t::sprites] = PalEntry(255, v, v, v);
+				level.sectors[i].SetSpecialColor(sector_t::sprites, v, v, v);
 			}
 		}
 	}
diff --git a/src/p_sectors.cpp b/src/p_sectors.cpp
index 83abb6e58..834736719 100644
--- a/src/p_sectors.cpp
+++ b/src/p_sectors.cpp
@@ -845,6 +845,35 @@ DEFINE_ACTION_FUNCTION(_Sector, SetFade)
 //
 //=====================================================================================
 
+void sector_t::SetSpecialColor(int slot, int r, int g, int b)
+{
+	SpecialColors[slot] = PalEntry(255, r, g, b);
+}
+
+void sector_t::SetSpecialColor(int slot, PalEntry rgb)
+{
+	rgb.a = 255;
+	SpecialColors[slot] = rgb;
+}
+
+DEFINE_ACTION_FUNCTION(_Sector, SetSpecialColor)
+{
+	PARAM_SELF_STRUCT_PROLOGUE(sector_t);
+	PARAM_INT(num);
+	PARAM_COLOR(color);
+	if (num >= 0 && num < 5)
+	{
+		color.a = 255;
+		self->SetSpecialColor(num, color);
+	}
+	return 0;
+}
+
+//=====================================================================================
+//
+//
+//=====================================================================================
+
 void sector_t::SetFogDensity(int dens)
 {
 	Colormap.FogDensity = dens;
@@ -2414,6 +2443,7 @@ DEFINE_ACTION_FUNCTION(_Secplane, PointToDist)
 DEFINE_FIELD_X(Sector, sector_t, floorplane)
 DEFINE_FIELD_X(Sector, sector_t, ceilingplane)
 DEFINE_FIELD_X(Sector, sector_t, Colormap)
+DEFINE_FIELD_X(Sector, sector_t, SpecialColors)
 DEFINE_FIELD_X(Sector, sector_t, SoundTarget)
 DEFINE_FIELD_X(Sector, sector_t, special)
 DEFINE_FIELD_X(Sector, sector_t, lightlevel)
diff --git a/src/r_defs.h b/src/r_defs.h
index 011c1105a..a6d2b8fd2 100644
--- a/src/r_defs.h
+++ b/src/r_defs.h
@@ -640,6 +640,8 @@ public:
 	void SetColor(int r, int g, int b, int desat);
 	void SetFade(int r, int g, int b);
 	void SetFogDensity(int dens);
+	void SetSpecialColor(int num, int r, int g, int b);
+	void SetSpecialColor(int num, PalEntry rgb);
 	void ClosestPoint(const DVector2 &pos, DVector2 &out) const;
 	int GetFloorLight () const;
 	int GetCeilingLight () const;
diff --git a/src/s_sound.cpp b/src/s_sound.cpp
index 8e5ac7349..5e9760a3c 100644
--- a/src/s_sound.cpp
+++ b/src/s_sound.cpp
@@ -135,7 +135,10 @@ uint8_t *S_SoundCurve;
 int S_SoundCurveSize;
 
 FBoolCVar noisedebug ("noise", false, 0);	// [RH] Print sound debugging info?
-CVAR (Int, snd_channels, 32, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)	// number of channels available
+CUSTOM_CVAR (Int, snd_channels, 128, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)	// number of channels available
+{
+	if (self < 64) self = 64;
+}
 CVAR (Bool, snd_flipstereo, false, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
 
 // CODE --------------------------------------------------------------------
diff --git a/wadsrc/static/menudef.txt b/wadsrc/static/menudef.txt
index b36572891..f6f699088 100644
--- a/wadsrc/static/menudef.txt
+++ b/wadsrc/static/menudef.txt
@@ -1642,7 +1642,7 @@ OptionMenu SoundOptions
 	StaticText " "
 	Option "$SNDMNU_UNDERWATERREVERB",	"snd_waterreverb", "OnOff"
 	Option "$SNDMNU_RANDOMIZEPITCHES",	"snd_pitched", "OnOff"
-	Slider "$SNDMNU_CHANNELS",			"snd_channels", 8, 256, 8, 0
+	Slider "$SNDMNU_CHANNELS",			"snd_channels", 64, 256, 8, 0
 	StaticText " "
 
 	ifoption(fmodex)
diff --git a/wadsrc/static/zscript/mapdata.txt b/wadsrc/static/zscript/mapdata.txt
index 3242fa1d0..8914fd405 100644
--- a/wadsrc/static/zscript/mapdata.txt
+++ b/wadsrc/static/zscript/mapdata.txt
@@ -199,10 +199,20 @@ struct SecSpecial play
 	int Flags;
 }
 
+struct FColormap
+{
+	Color		LightColor;
+	Color		FadeColor;
+	uint8		Desaturation;
+	uint8		BlendFactor;
+	uint16		FogDensity;
+}
+
 struct Sector native play
 {
 
-	//FDynamicColormap *ColorMap;
+	native readonly FColormap 	ColorMap;
+	native readonly Color		SpecialColors[5];
 
 	native Actor 		SoundTarget;
 
@@ -228,7 +238,11 @@ struct Sector native play
 	enum EPlane
 	{
 		floor,
-		ceiling
+		ceiling,
+		// only used for specialcolors array
+		walltop,
+		wallbottom,
+		sprites
 	};
 	
 	enum EInterpolationType
@@ -324,8 +338,6 @@ struct Sector native play
 
 	native void RemoveForceField();
 	native static Sector PointInSector(Vector2 pt);
-	native void SetColor(color c, int desat = 0);
-	native void SetFade(color c);
 
 	native bool PlaneMoving(int pos);
 	native int GetFloorLight();
@@ -360,10 +372,14 @@ struct Sector native play
 	native void ChangeFlags(int pos, int And, int Or);
 	native int GetPlaneLight(int pos);
 	native void SetPlaneLight(int pos, int level);
+	native void SetColor(color c, int desat = 0);
+	native void SetFade(color c);
+	native void SetFogDensity(int dens);
 	native double GetGlowHeight(int pos);
 	native color GetGlowColor(int pos);
 	native void SetGlowHeight(int pos, double height);
 	native void SetGlowColor(int pos, color color);
+	native void SetSpecialColor(int pos, color color);
 	
 	native TextureID GetTexture(int pos);
 	native void SetTexture(int pos, TextureID tex, bool floorclip = true);