diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/NDS/MelonDS_Settable.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/NDS/MelonDS_Settable.cs
index e8ba975142..55ba70bee7 100644
--- a/BizHawk.Emulation.Cores/Consoles/Nintendo/NDS/MelonDS_Settable.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/NDS/MelonDS_Settable.cs
@@ -82,6 +82,7 @@ namespace BizHawk.Emulation.Cores.Consoles.Nintendo.NDS
 		{
 			Default,
 			TopOnly,
+			BottomOnly,
 			SideBySideLR,
 			SideBySideRL,
 			Rotate90,
@@ -101,6 +102,7 @@ namespace BizHawk.Emulation.Cores.Consoles.Nintendo.NDS
 				ScreenOptions switch
 				{
 					VideoScreenOptions.TopOnly => null,
+					VideoScreenOptions.BottomOnly => null,
 					VideoScreenOptions.SideBySideLR => new Point(NativeWidth, 0),
 					VideoScreenOptions.SideBySideRL => new Point(0, 0),
 					VideoScreenOptions.Rotate90 => new Point(0, 0),
@@ -125,6 +127,7 @@ namespace BizHawk.Emulation.Cores.Consoles.Nintendo.NDS
 				ScreenOptions switch
 				{
 					VideoScreenOptions.TopOnly => NativeHeight,
+					VideoScreenOptions.BottomOnly => NativeHeight,
 					VideoScreenOptions.SideBySideLR => NativeHeight,
 					VideoScreenOptions.SideBySideRL => NativeHeight,
 					VideoScreenOptions.Rotate90 => NativeWidth,
diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/NDS/MelonDS_VideoProvider.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/NDS/MelonDS_VideoProvider.cs
index 833a63ca3b..4747179f26 100644
--- a/BizHawk.Emulation.Cores/Consoles/Nintendo/NDS/MelonDS_VideoProvider.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/NDS/MelonDS_VideoProvider.cs
@@ -44,6 +44,7 @@ namespace BizHawk.Emulation.Cores.Consoles.Nintendo.NDS
 			{
 				VideoScreenOptions.Default => ScreenArranger.UprightStack(TopScreen, BottomScreen, _settings.ScreenGap),
 				VideoScreenOptions.TopOnly => ScreenArranger.Copy(TopScreen),
+				VideoScreenOptions.BottomOnly => ScreenArranger.Copy(BottomScreen),
 				VideoScreenOptions.SideBySideLR => ScreenArranger.UprightSideBySide(TopScreen, BottomScreen, _settings.ScreenGap),
 				VideoScreenOptions.SideBySideRL => ScreenArranger.UprightSideBySide(BottomScreen, TopScreen, _settings.ScreenGap),
 				VideoScreenOptions.Rotate90 => ScreenArranger.Rotate90Stack(TopScreen, BottomScreen, _settings.ScreenGap),
diff --git a/BizHawk.sln.DotSettings b/BizHawk.sln.DotSettings
index 27c7a28da1..06c2a5cc1b 100644
--- a/BizHawk.sln.DotSettings
+++ b/BizHawk.sln.DotSettings
@@ -448,6 +448,8 @@
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=pinvoked/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=Pollable/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=POSTGAP/@EntryIndexedValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/UserDictionary/Words/=prealloc/@EntryIndexedValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/UserDictionary/Words/=Preallocated/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=Prefs/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=PREGAP/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=preload/@EntryIndexedValue">True</s:Boolean>