diff --git a/Core/GameEngine/Include/Common/GameDefines.h b/Core/GameEngine/Include/Common/GameDefines.h
index 3df8fb3090..6f90600630 100644
--- a/Core/GameEngine/Include/Common/GameDefines.h
+++ b/Core/GameEngine/Include/Common/GameDefines.h
@@ -67,3 +67,8 @@
 #define USE_OBSOLETE_GENERALS_CODE (1)
 #endif
 #endif
+
+#define MIN_DISPLAY_BIT_DEPTH       16
+#define DEFAULT_DISPLAY_BIT_DEPTH   32
+#define DEFAULT_DISPLAY_WIDTH      800 // The standard resolution this game was designed for
+#define DEFAULT_DISPLAY_HEIGHT     600 // The standard resolution this game was designed for
diff --git a/Generals/Code/GameEngine/Source/Common/GlobalData.cpp b/Generals/Code/GameEngine/Source/Common/GlobalData.cpp
index 8c07362066..24f9e0e342 100644
--- a/Generals/Code/GameEngine/Source/Common/GlobalData.cpp
+++ b/Generals/Code/GameEngine/Source/Common/GlobalData.cpp
@@ -614,8 +614,8 @@ GlobalData::GlobalData()
 	m_chipSetType = 0;
 	m_headless = FALSE;
 	m_windowed = 0;
-	m_xResolution = 800;
-	m_yResolution = 600;
+	m_xResolution = DEFAULT_DISPLAY_WIDTH;
+	m_yResolution = DEFAULT_DISPLAY_HEIGHT;
 	m_maxShellScreens = 0;
 	m_useCloudMap = FALSE;
 	m_use3WayTerrainBlends = 1;
diff --git a/Generals/Code/GameEngine/Source/GameClient/GUI/ControlBar/ControlBarResizer.cpp b/Generals/Code/GameEngine/Source/GameClient/GUI/ControlBar/ControlBarResizer.cpp
index 749af7a749..d9604767f3 100644
--- a/Generals/Code/GameEngine/Source/GameClient/GUI/ControlBar/ControlBarResizer.cpp
+++ b/Generals/Code/GameEngine/Source/GameClient/GUI/ControlBar/ControlBarResizer.cpp
@@ -180,8 +180,8 @@ void ControlBarResizer::sizeWindowsAlt( void )
 {
 	ResizerWindowList::iterator it = m_resizerWindowsList.begin();
 	GameWindow *win = NULL;
-	Real x = (Real)TheDisplay->getWidth() / 800;
-	Real y = (Real)TheDisplay->getHeight() / 600;
+	Real x = (Real)TheDisplay->getWidth() / DEFAULT_DISPLAY_WIDTH;
+	Real y = (Real)TheDisplay->getHeight() / DEFAULT_DISPLAY_HEIGHT;
 	while (it != m_resizerWindowsList.end())
 	{
 		ResizerWindow *rWin = *it;
diff --git a/Generals/Code/GameEngine/Source/GameClient/GUI/GUICallbacks/Menus/OptionsMenu.cpp b/Generals/Code/GameEngine/Source/GameClient/GUI/GUICallbacks/Menus/OptionsMenu.cpp
index d4c8f7a870..47f8c34a92 100644
--- a/Generals/Code/GameEngine/Source/GameClient/GUI/GUICallbacks/Menus/OptionsMenu.cpp
+++ b/Generals/Code/GameEngine/Source/GameClient/GUI/GUICallbacks/Menus/OptionsMenu.cpp
@@ -836,7 +836,7 @@ static void setDefaults( void )
 		for( Int i = 0; i < numResolutions; ++i )
 		{	Int xres,yres,bitDepth;
 			TheDisplay->getDisplayModeDescription(i,&xres,&yres,&bitDepth);
-			if (xres == 800 && yres == 600)	//keep track of default mode in case we need it.
+			if (xres == DEFAULT_DISPLAY_WIDTH && yres == DEFAULT_DISPLAY_HEIGHT)	//keep track of default mode in case we need it.
 			{	defaultResIndex=i;
 				break;
 			}
@@ -1648,12 +1648,15 @@ void OptionsMenuInit( WindowLayout *layout, void *userData )
 
 	// get resolution from saved preferences file
 	AsciiString selectedResolution = (*pref) ["Resolution"];
-	Int selectedXRes=800,selectedYRes=600;
+	Int selectedXRes=DEFAULT_DISPLAY_WIDTH;
+	Int selectedYRes=DEFAULT_DISPLAY_HEIGHT;
 	Int selectedResIndex=-1;
 	if (!selectedResolution.isEmpty())
 	{	//try to parse 2 integers out of string
 		if (sscanf(selectedResolution.str(),"%d%d", &selectedXRes, &selectedYRes) != 2)
-		{	selectedXRes=800; selectedYRes=600;
+		{
+			selectedXRes=DEFAULT_DISPLAY_WIDTH;
+			selectedYRes=DEFAULT_DISPLAY_HEIGHT;
 		}
 	}
 
diff --git a/Generals/Code/GameEngine/Source/GameClient/GUI/GUICallbacks/Menus/PopupPlayerInfo.cpp b/Generals/Code/GameEngine/Source/GameClient/GUI/GUICallbacks/Menus/PopupPlayerInfo.cpp
index 832bb8d128..4c0f2ba862 100644
--- a/Generals/Code/GameEngine/Source/GameClient/GUI/GUICallbacks/Menus/PopupPlayerInfo.cpp
+++ b/Generals/Code/GameEngine/Source/GameClient/GUI/GUICallbacks/Menus/PopupPlayerInfo.cpp
@@ -456,8 +456,8 @@ void ResetBattleHonorInsertion(void)
 }
 void InsertBattleHonor(GameWindow *list, const Image *image, Bool enabled, Int itemData, Int& row, Int& column, UnicodeString text = UnicodeString::TheEmptyString)
 {
-	Int width = MAX_BATTLE_HONOR_IMAGE_WIDTH * (TheDisplay->getWidth() / 800.0f);
-	Int height = MAX_BATTLE_HONOR_IMAGE_HEIGHT * (TheDisplay->getHeight() / 600.0f);
+	Int width = MAX_BATTLE_HONOR_IMAGE_WIDTH * (TheDisplay->getWidth() / (Real)DEFAULT_DISPLAY_WIDTH);
+	Int height = MAX_BATTLE_HONOR_IMAGE_HEIGHT * (TheDisplay->getHeight() / (Real)DEFAULT_DISPLAY_HEIGHT);
 
 	static Int enabledColor = 0xFFFFFFFF;
 	static Int disabledColor = GameMakeColor(80, 80, 80, 255);
diff --git a/Generals/Code/GameEngine/Source/GameClient/GUI/GUICallbacks/Menus/WOLWelcomeMenu.cpp b/Generals/Code/GameEngine/Source/GameClient/GUI/GUICallbacks/Menus/WOLWelcomeMenu.cpp
index 4e7a823b83..55d3e677ff 100644
--- a/Generals/Code/GameEngine/Source/GameClient/GUI/GUICallbacks/Menus/WOLWelcomeMenu.cpp
+++ b/Generals/Code/GameEngine/Source/GameClient/GUI/GUICallbacks/Menus/WOLWelcomeMenu.cpp
@@ -812,7 +812,7 @@ WindowMsgHandledType WOLWelcomeMenuSystem( GameWindow *window, UnsignedInt msg,
 				else if (controlID == buttonQuickMatchID)
 				{
 					GameSpyMiscPreferences mPref;
-					if ((TheDisplay->getWidth() != 800 || TheDisplay->getHeight() != 600) && mPref.getQuickMatchResLocked())
+					if ((TheDisplay->getWidth() != DEFAULT_DISPLAY_WIDTH || TheDisplay->getHeight() != DEFAULT_DISPLAY_HEIGHT) && mPref.getQuickMatchResLocked())
 					{
 						GSMessageBoxOk(TheGameText->fetch("GUI:GSErrorTitle"), TheGameText->fetch("GUI:QuickMatch800x600"));
 					}
diff --git a/Generals/Code/GameEngine/Source/GameClient/GlobalLanguage.cpp b/Generals/Code/GameEngine/Source/GameClient/GlobalLanguage.cpp
index 8ff34f43ef..ccc41f9eec 100644
--- a/Generals/Code/GameEngine/Source/GameClient/GlobalLanguage.cpp
+++ b/Generals/Code/GameEngine/Source/GameClient/GlobalLanguage.cpp
@@ -187,7 +187,7 @@ void GlobalLanguage::parseFontFileName( INI *ini, void * instance, void *store,
 
 Int GlobalLanguage::adjustFontSize(Int theFontSize)
 {
-	Real adjustFactor = TheGlobalData->m_xResolution/800.0f;
+	Real adjustFactor = TheGlobalData->m_xResolution / (Real)DEFAULT_DISPLAY_WIDTH;
 	adjustFactor = 1.0f + (adjustFactor-1.0f) * m_resolutionFontSizeAdjustment;
 	if (adjustFactor<1.0f) adjustFactor = 1.0f;
 	if (adjustFactor>2.0f) adjustFactor = 2.0f;
diff --git a/Generals/Code/GameEngine/Source/GameClient/InGameUI.cpp b/Generals/Code/GameEngine/Source/GameClient/InGameUI.cpp
index ce4b96074d..bfeb1a8665 100644
--- a/Generals/Code/GameEngine/Source/GameClient/InGameUI.cpp
+++ b/Generals/Code/GameEngine/Source/GameClient/InGameUI.cpp
@@ -4029,8 +4029,8 @@ void InGameUI::militarySubtitle( const AsciiString& label, Int duration )
 
 	// calculate where this screen position should be since the position being passed in is based off 8x6
 	Coord2D multiplyer;
-	multiplyer.x = TheDisplay->getWidth() / 800;
-	multiplyer.y = TheDisplay->getHeight() / 600;
+	multiplyer.x = TheDisplay->getWidth() / (Real)DEFAULT_DISPLAY_WIDTH;
+	multiplyer.y = TheDisplay->getHeight() / (Real)DEFAULT_DISPLAY_HEIGHT;
 
 	// lets bring out the data structure!
 	m_militarySubtitle = NEW MilitarySubtitleData;
diff --git a/Generals/Code/GameEngineDevice/Source/W3DDevice/GameClient/GUI/GUICallbacks/W3DMainMenu.cpp b/Generals/Code/GameEngineDevice/Source/W3DDevice/GameClient/GUI/GUICallbacks/W3DMainMenu.cpp
index 27efffe271..ab36bebd4c 100644
--- a/Generals/Code/GameEngineDevice/Source/W3DDevice/GameClient/GUI/GUICallbacks/W3DMainMenu.cpp
+++ b/Generals/Code/GameEngineDevice/Source/W3DDevice/GameClient/GUI/GUICallbacks/W3DMainMenu.cpp
@@ -108,7 +108,7 @@ static void advancePosition(GameWindow *window, const Image *image, UnsignedInt
 	}
 	static Int Width = size.x + image->getImageWidth();
 
-	static Int x = -800;
+	static Int x = -DEFAULT_DISPLAY_WIDTH;
 	static Int y = pos.y - (image->getImageHeight()/2);
 
 	static UnsignedInt m_startTime = timeGetTime();
diff --git a/Generals/Code/GameEngineDevice/Source/W3DDevice/GameClient/GUI/Gadget/W3DHorizontalSlider.cpp b/Generals/Code/GameEngineDevice/Source/W3DDevice/GameClient/GUI/Gadget/W3DHorizontalSlider.cpp
index 52d50b30e1..a7411a238f 100644
--- a/Generals/Code/GameEngineDevice/Source/W3DDevice/GameClient/GUI/Gadget/W3DHorizontalSlider.cpp
+++ b/Generals/Code/GameEngineDevice/Source/W3DDevice/GameClient/GUI/Gadget/W3DHorizontalSlider.cpp
@@ -150,7 +150,7 @@ void W3DGadgetHorizontalSliderImageDraw( GameWindow *window,
 
 	SliderData *s = (SliderData *)window->winGetUserData();
 
-	Real xMulti = INT_TO_REAL(TheDisplay->getWidth()) / 800;
+	Real xMulti = INT_TO_REAL(TheDisplay->getWidth()) / DEFAULT_DISPLAY_WIDTH;
 
 	// figure out how many boxes we draw for this slider
 	Int numBoxes = 0;
@@ -229,8 +229,8 @@ void W3DGadgetHorizontalSliderImageDrawB( GameWindow *window,
 
 	SliderData *s = (SliderData *)window->winGetUserData();
 
-	Real xMulti = INT_TO_REAL(TheDisplay->getWidth()) / 800;
-	Real yMulti = INT_TO_REAL(TheDisplay->getHeight())/ 600;
+	Real xMulti = INT_TO_REAL(TheDisplay->getWidth()) / DEFAULT_DISPLAY_WIDTH;
+	Real yMulti = INT_TO_REAL(TheDisplay->getHeight()) / DEFAULT_DISPLAY_HEIGHT;
 	// get image offset
 	xOffset = instData->m_imageOffset.x;
 	yOffset = instData->m_imageOffset.y;
diff --git a/Generals/Code/GameEngineDevice/Source/W3DDevice/GameClient/W3DDisplay.cpp b/Generals/Code/GameEngineDevice/Source/W3DDevice/GameClient/W3DDisplay.cpp
index f3beace861..64652df3d5 100644
--- a/Generals/Code/GameEngineDevice/Source/W3DDevice/GameClient/W3DDisplay.cpp
+++ b/Generals/Code/GameEngineDevice/Source/W3DDevice/GameClient/W3DDisplay.cpp
@@ -110,10 +110,6 @@ static void drawFramerateBar(void);
 
 
 // DEFINE AND ENUMS ///////////////////////////////////////////////////////////
-#define DEFAULT_DISPLAY_BIT_DEPTH 32
-#define MIN_DISPLAY_BIT_DEPTH 16
-#define MIN_DISPLAY_RESOLUTION_X 800
-#define MIN_DISPLAY_RESOLUTION_Y 600
 
 #define no_SAMPLE_DYNAMIC_LIGHT	1
 #ifdef SAMPLE_DYNAMIC_LIGHT
@@ -432,7 +428,7 @@ inline Bool isResolutionSupported(const ResolutionDescClass &res)
 {
 	static const Int minBitDepth = 24;
 
-	return res.Width >= MIN_DISPLAY_RESOLUTION_X && res.BitDepth >= minBitDepth;
+	return res.Width >= DEFAULT_DISPLAY_WIDTH && res.BitDepth >= minBitDepth;
 }
 
 /*Return number of screen modes supported by the current device*/
@@ -701,15 +697,15 @@ void W3DDisplay::init( void )
 				// if the custom resolution did not succeed. This is unlikely to happen but is possible
 				// if the user writes an unsupported resolution in the Option Preferences or if the
 				// graphics adapter does not support the minimum display resolution to begin with.
-				Int xres = MIN_DISPLAY_RESOLUTION_X;
-				Int yres = MIN_DISPLAY_RESOLUTION_Y;
+				Int xres = DEFAULT_DISPLAY_WIDTH;
+				Int yres = DEFAULT_DISPLAY_HEIGHT;
 				Int bitDepth = DEFAULT_DISPLAY_BIT_DEPTH;
 				Int displayModeCount = getDisplayModeCount();
 				Int displayModeIndex = 0;
 				for (; displayModeIndex < displayModeCount; ++displayModeIndex)
 				{
 					getDisplayModeDescription(displayModeIndex, &xres, &yres, &bitDepth);
-					if (xres * yres >= MIN_DISPLAY_RESOLUTION_X * MIN_DISPLAY_RESOLUTION_Y)
+					if (xres * yres >= DEFAULT_DISPLAY_WIDTH * DEFAULT_DISPLAY_HEIGHT)
 						break; // Is good enough. Use it.
 				}
 				TheWritableGlobalData->m_xResolution = xres;
diff --git a/Generals/Code/Main/WinMain.cpp b/Generals/Code/Main/WinMain.cpp
index 15f0c7ec23..777467536f 100644
--- a/Generals/Code/Main/WinMain.cpp
+++ b/Generals/Code/Main/WinMain.cpp
@@ -76,9 +76,6 @@ const Char *g_strFile = "data\\Generals.str";
 const Char *g_csfFile = "data\\%s\\Generals.csf";
 const char *gAppPrefix = ""; /// So WB can have a different debug log file name.
 
-#define DEFAULT_XRESOLUTION 800
-#define DEFAULT_YRESOLUTION 600
-
 static Bool gInitializing = false;
 static Bool gDoPaint = true;
 static Bool isWinMainActive = false;
@@ -579,7 +576,7 @@ LRESULT CALLBACK WndProc( HWND hWnd, UINT message,
 						Int savContext = ::SaveDC(dc);
 						HDC tmpDC = ::CreateCompatibleDC(dc);
 						HBITMAP savBitmap = (HBITMAP)::SelectObject(tmpDC, gLoadScreenBitmap);
-						::BitBlt(dc, 0, 0, DEFAULT_XRESOLUTION, DEFAULT_YRESOLUTION, tmpDC, 0, 0, SRCCOPY);
+						::BitBlt(dc, 0, 0, DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT, tmpDC, 0, 0, SRCCOPY);
 						::SelectObject(tmpDC, savBitmap);
 						::DeleteDC(tmpDC);
 						::RestoreDC(dc, savContext);
@@ -661,8 +658,8 @@ LRESULT CALLBACK WndProc( HWND hWnd, UINT message,
 static Bool initializeAppWindows( HINSTANCE hInstance, Int nCmdShow, Bool runWindowed )
 {
 	DWORD windowStyle;
-	Int startWidth = DEFAULT_XRESOLUTION,
-			startHeight = DEFAULT_YRESOLUTION;
+	Int startWidth = DEFAULT_DISPLAY_WIDTH,
+			startHeight = DEFAULT_DISPLAY_HEIGHT;
 
 	// register the window class
 
@@ -688,8 +685,8 @@ static Bool initializeAppWindows( HINSTANCE hInstance, Int nCmdShow, Bool runWin
 	AdjustWindowRect (&rect, windowStyle, FALSE);
 	if (runWindowed) {
 		// Makes the normal debug 800x600 window center in the screen.
-		startWidth = DEFAULT_XRESOLUTION;
-		startHeight= DEFAULT_YRESOLUTION;
+		startWidth = DEFAULT_DISPLAY_WIDTH;
+		startHeight= DEFAULT_DISPLAY_HEIGHT;
 	}
 
 	gInitializing = true;
diff --git a/GeneralsMD/Code/GameEngine/Source/Common/GlobalData.cpp b/GeneralsMD/Code/GameEngine/Source/Common/GlobalData.cpp
index ed0d16e478..be4b8962e2 100644
--- a/GeneralsMD/Code/GameEngine/Source/Common/GlobalData.cpp
+++ b/GeneralsMD/Code/GameEngine/Source/Common/GlobalData.cpp
@@ -619,8 +619,8 @@ GlobalData::GlobalData()
 	m_chipSetType = 0;
 	m_headless = FALSE;
 	m_windowed = 0;
-	m_xResolution = 800;
-	m_yResolution = 600;
+	m_xResolution = DEFAULT_DISPLAY_WIDTH;
+	m_yResolution = DEFAULT_DISPLAY_HEIGHT;
 	m_maxShellScreens = 0;
 	m_useCloudMap = FALSE;
 	m_use3WayTerrainBlends = 1;
diff --git a/GeneralsMD/Code/GameEngine/Source/GameClient/GUI/ControlBar/ControlBarResizer.cpp b/GeneralsMD/Code/GameEngine/Source/GameClient/GUI/ControlBar/ControlBarResizer.cpp
index 97d3d60008..dac78ae7b8 100644
--- a/GeneralsMD/Code/GameEngine/Source/GameClient/GUI/ControlBar/ControlBarResizer.cpp
+++ b/GeneralsMD/Code/GameEngine/Source/GameClient/GUI/ControlBar/ControlBarResizer.cpp
@@ -180,8 +180,8 @@ void ControlBarResizer::sizeWindowsAlt( void )
 {
 	ResizerWindowList::iterator it = m_resizerWindowsList.begin();
 	GameWindow *win = NULL;
-	Real x = (Real)TheDisplay->getWidth() / 800;
-	Real y = (Real)TheDisplay->getHeight() / 600;
+	Real x = (Real)TheDisplay->getWidth() / DEFAULT_DISPLAY_WIDTH;
+	Real y = (Real)TheDisplay->getHeight() / DEFAULT_DISPLAY_HEIGHT;
 	while (it != m_resizerWindowsList.end())
 	{
 		ResizerWindow *rWin = *it;
diff --git a/GeneralsMD/Code/GameEngine/Source/GameClient/GUI/GUICallbacks/Menus/OptionsMenu.cpp b/GeneralsMD/Code/GameEngine/Source/GameClient/GUI/GUICallbacks/Menus/OptionsMenu.cpp
index 598c97d23b..2f4a306071 100644
--- a/GeneralsMD/Code/GameEngine/Source/GameClient/GUI/GUICallbacks/Menus/OptionsMenu.cpp
+++ b/GeneralsMD/Code/GameEngine/Source/GameClient/GUI/GUICallbacks/Menus/OptionsMenu.cpp
@@ -880,7 +880,7 @@ static void setDefaults( void )
 		for( Int i = 0; i < numResolutions; ++i )
 		{	Int xres,yres,bitDepth;
 			TheDisplay->getDisplayModeDescription(i,&xres,&yres,&bitDepth);
-			if (xres == 800 && yres == 600)	//keep track of default mode in case we need it.
+			if (xres == DEFAULT_DISPLAY_WIDTH && yres == DEFAULT_DISPLAY_HEIGHT)	//keep track of default mode in case we need it.
 			{	defaultResIndex=i;
 				break;
 			}
@@ -1715,12 +1715,15 @@ void OptionsMenuInit( WindowLayout *layout, void *userData )
 
 	// get resolution from saved preferences file
 	AsciiString selectedResolution = (*pref) ["Resolution"];
-	Int selectedXRes=800,selectedYRes=600;
+	Int selectedXRes=DEFAULT_DISPLAY_WIDTH;
+	Int selectedYRes=DEFAULT_DISPLAY_HEIGHT;
 	Int selectedResIndex=-1;
 	if (!selectedResolution.isEmpty())
 	{	//try to parse 2 integers out of string
 		if (sscanf(selectedResolution.str(),"%d%d", &selectedXRes, &selectedYRes) != 2)
-		{	selectedXRes=800; selectedYRes=600;
+		{
+			selectedXRes=DEFAULT_DISPLAY_WIDTH;
+			selectedYRes=DEFAULT_DISPLAY_HEIGHT;
 		}
 	}
 
diff --git a/GeneralsMD/Code/GameEngine/Source/GameClient/GUI/GUICallbacks/Menus/PopupPlayerInfo.cpp b/GeneralsMD/Code/GameEngine/Source/GameClient/GUI/GUICallbacks/Menus/PopupPlayerInfo.cpp
index 8636b21aa5..c712371c0d 100644
--- a/GeneralsMD/Code/GameEngine/Source/GameClient/GUI/GUICallbacks/Menus/PopupPlayerInfo.cpp
+++ b/GeneralsMD/Code/GameEngine/Source/GameClient/GUI/GUICallbacks/Menus/PopupPlayerInfo.cpp
@@ -468,8 +468,8 @@ void ResetBattleHonorInsertion(void)
 }
 void InsertBattleHonor(GameWindow *list, const Image *image, Bool enabled, Int itemData, Int& row, Int& column, UnicodeString text = UnicodeString::TheEmptyString, Int extra = 0)
 {
-	Int width = MAX_BATTLE_HONOR_IMAGE_WIDTH * (TheDisplay->getWidth() / 800.0f);
-	Int height = MAX_BATTLE_HONOR_IMAGE_HEIGHT * (TheDisplay->getHeight() / 600.0f);
+	Int width = MAX_BATTLE_HONOR_IMAGE_WIDTH * (TheDisplay->getWidth() / (Real)DEFAULT_DISPLAY_WIDTH);
+	Int height = MAX_BATTLE_HONOR_IMAGE_HEIGHT * (TheDisplay->getHeight() / (Real)DEFAULT_DISPLAY_HEIGHT);
 
 	static Int enabledColor = 0xFFFFFFFF;
 	static Int disabledColor = GameMakeColor(80, 80, 80, 255);
diff --git a/GeneralsMD/Code/GameEngine/Source/GameClient/GUI/GUICallbacks/Menus/WOLWelcomeMenu.cpp b/GeneralsMD/Code/GameEngine/Source/GameClient/GUI/GUICallbacks/Menus/WOLWelcomeMenu.cpp
index ebc97fc14d..05c84eba2c 100644
--- a/GeneralsMD/Code/GameEngine/Source/GameClient/GUI/GUICallbacks/Menus/WOLWelcomeMenu.cpp
+++ b/GeneralsMD/Code/GameEngine/Source/GameClient/GUI/GUICallbacks/Menus/WOLWelcomeMenu.cpp
@@ -829,7 +829,7 @@ WindowMsgHandledType WOLWelcomeMenuSystem( GameWindow *window, UnsignedInt msg,
 				else if (controlID == buttonQuickMatchID)
 				{
 					GameSpyMiscPreferences mPref;
-					if ((TheDisplay->getWidth() != 800 || TheDisplay->getHeight() != 600) && mPref.getQuickMatchResLocked())
+					if ((TheDisplay->getWidth() != DEFAULT_DISPLAY_WIDTH || TheDisplay->getHeight() != DEFAULT_DISPLAY_HEIGHT) && mPref.getQuickMatchResLocked())
 					{
 						GSMessageBoxOk(TheGameText->fetch("GUI:GSErrorTitle"), TheGameText->fetch("GUI:QuickMatch800x600"));
 					}
diff --git a/GeneralsMD/Code/GameEngine/Source/GameClient/GlobalLanguage.cpp b/GeneralsMD/Code/GameEngine/Source/GameClient/GlobalLanguage.cpp
index 6a8f6f7fec..6ab0a30fe6 100644
--- a/GeneralsMD/Code/GameEngine/Source/GameClient/GlobalLanguage.cpp
+++ b/GeneralsMD/Code/GameEngine/Source/GameClient/GlobalLanguage.cpp
@@ -191,7 +191,7 @@ void GlobalLanguage::parseFontFileName( INI *ini, void * instance, void *store,
 
 Int GlobalLanguage::adjustFontSize(Int theFontSize)
 {
-	Real adjustFactor = TheGlobalData->m_xResolution/800.0f;
+	Real adjustFactor = TheGlobalData->m_xResolution / (Real)DEFAULT_DISPLAY_WIDTH;
 	adjustFactor = 1.0f + (adjustFactor-1.0f) * m_resolutionFontSizeAdjustment;
 	if (adjustFactor<1.0f) adjustFactor = 1.0f;
 	if (adjustFactor>2.0f) adjustFactor = 2.0f;
diff --git a/GeneralsMD/Code/GameEngine/Source/GameClient/InGameUI.cpp b/GeneralsMD/Code/GameEngine/Source/GameClient/InGameUI.cpp
index e841924b50..13c79c4f71 100644
--- a/GeneralsMD/Code/GameEngine/Source/GameClient/InGameUI.cpp
+++ b/GeneralsMD/Code/GameEngine/Source/GameClient/InGameUI.cpp
@@ -4183,8 +4183,8 @@ void InGameUI::militarySubtitle( const AsciiString& label, Int duration )
 
 	// calculate where this screen position should be since the position being passed in is based off 8x6
 	Coord2D multiplier;
-	multiplier.x = (float)TheDisplay->getWidth() / 800.0f;
-	multiplier.y = (float)TheDisplay->getHeight() / 600.0f;
+	multiplier.x = (Real)TheDisplay->getWidth() / (Real)DEFAULT_DISPLAY_WIDTH;
+	multiplier.y = (Real)TheDisplay->getHeight() / (Real)DEFAULT_DISPLAY_HEIGHT;
 
 	// lets bring out the data structure!
 	m_militarySubtitle = NEW MilitarySubtitleData;
diff --git a/GeneralsMD/Code/GameEngineDevice/Source/W3DDevice/GameClient/GUI/GUICallbacks/W3DMainMenu.cpp b/GeneralsMD/Code/GameEngineDevice/Source/W3DDevice/GameClient/GUI/GUICallbacks/W3DMainMenu.cpp
index 6614498dd4..346bc44fac 100644
--- a/GeneralsMD/Code/GameEngineDevice/Source/W3DDevice/GameClient/GUI/GUICallbacks/W3DMainMenu.cpp
+++ b/GeneralsMD/Code/GameEngineDevice/Source/W3DDevice/GameClient/GUI/GUICallbacks/W3DMainMenu.cpp
@@ -108,7 +108,7 @@ static void advancePosition(GameWindow *window, const Image *image, UnsignedInt
 	}
 	static Int Width = size.x + image->getImageWidth();
 
-	static Int x = -800;
+	static Int x = -DEFAULT_DISPLAY_WIDTH;
 	static Int y = pos.y - (image->getImageHeight()/2);
 
 	static UnsignedInt m_startTime = timeGetTime();
diff --git a/GeneralsMD/Code/GameEngineDevice/Source/W3DDevice/GameClient/GUI/Gadget/W3DHorizontalSlider.cpp b/GeneralsMD/Code/GameEngineDevice/Source/W3DDevice/GameClient/GUI/Gadget/W3DHorizontalSlider.cpp
index 680cd8d705..292166ccb7 100644
--- a/GeneralsMD/Code/GameEngineDevice/Source/W3DDevice/GameClient/GUI/Gadget/W3DHorizontalSlider.cpp
+++ b/GeneralsMD/Code/GameEngineDevice/Source/W3DDevice/GameClient/GUI/Gadget/W3DHorizontalSlider.cpp
@@ -150,7 +150,7 @@ void W3DGadgetHorizontalSliderImageDraw( GameWindow *window,
 
 	SliderData *s = (SliderData *)window->winGetUserData();
 
-	Real xMulti = INT_TO_REAL(TheDisplay->getWidth()) / 800;
+	Real xMulti = INT_TO_REAL(TheDisplay->getWidth()) / DEFAULT_DISPLAY_WIDTH;
 
 	// figure out how many boxes we draw for this slider
 	Int numBoxes = 0;
@@ -229,8 +229,8 @@ void W3DGadgetHorizontalSliderImageDrawB( GameWindow *window,
 
 	SliderData *s = (SliderData *)window->winGetUserData();
 
-	Real xMulti = INT_TO_REAL(TheDisplay->getWidth()) / 800;
-	Real yMulti = INT_TO_REAL(TheDisplay->getHeight())/ 600;
+	Real xMulti = INT_TO_REAL(TheDisplay->getWidth()) / DEFAULT_DISPLAY_WIDTH;
+	Real yMulti = INT_TO_REAL(TheDisplay->getHeight()) / DEFAULT_DISPLAY_HEIGHT;
 	// get image offset
 	xOffset = instData->m_imageOffset.x;
 	yOffset = instData->m_imageOffset.y;
diff --git a/GeneralsMD/Code/GameEngineDevice/Source/W3DDevice/GameClient/W3DDisplay.cpp b/GeneralsMD/Code/GameEngineDevice/Source/W3DDevice/GameClient/W3DDisplay.cpp
index 889ccd8c92..7185abb8da 100644
--- a/GeneralsMD/Code/GameEngineDevice/Source/W3DDevice/GameClient/W3DDisplay.cpp
+++ b/GeneralsMD/Code/GameEngineDevice/Source/W3DDevice/GameClient/W3DDisplay.cpp
@@ -111,10 +111,6 @@ static void drawFramerateBar(void);
 
 
 // DEFINE AND ENUMS ///////////////////////////////////////////////////////////
-#define DEFAULT_DISPLAY_BIT_DEPTH 32
-#define MIN_DISPLAY_BIT_DEPTH 16
-#define MIN_DISPLAY_RESOLUTION_X 800
-#define MIN_DISPLAY_RESOLUTION_Y 600
 
 #define no_SAMPLE_DYNAMIC_LIGHT	1
 #ifdef SAMPLE_DYNAMIC_LIGHT
@@ -481,7 +477,7 @@ inline Bool isResolutionSupported(const ResolutionDescClass &res)
 {
 	static const Int minBitDepth = 24;
 
-	return res.Width >= MIN_DISPLAY_RESOLUTION_X && res.BitDepth >= minBitDepth;
+	return res.Width >= DEFAULT_DISPLAY_WIDTH && res.BitDepth >= minBitDepth;
 }
 
 /*Return number of screen modes supported by the current device*/
@@ -751,15 +747,15 @@ void W3DDisplay::init( void )
 				// if the custom resolution did not succeed. This is unlikely to happen but is possible
 				// if the user writes an unsupported resolution in the Option Preferences or if the
 				// graphics adapter does not support the minimum display resolution to begin with.
-				Int xres = MIN_DISPLAY_RESOLUTION_X;
-				Int yres = MIN_DISPLAY_RESOLUTION_Y;
+				Int xres = DEFAULT_DISPLAY_WIDTH;
+				Int yres = DEFAULT_DISPLAY_HEIGHT;
 				Int bitDepth = DEFAULT_DISPLAY_BIT_DEPTH;
 				Int displayModeCount = getDisplayModeCount();
 				Int displayModeIndex = 0;
 				for (; displayModeIndex < displayModeCount; ++displayModeIndex)
 				{
 					getDisplayModeDescription(displayModeIndex, &xres, &yres, &bitDepth);
-					if (xres * yres >= MIN_DISPLAY_RESOLUTION_X * MIN_DISPLAY_RESOLUTION_Y)
+					if (xres * yres >= DEFAULT_DISPLAY_WIDTH * DEFAULT_DISPLAY_HEIGHT)
 						break; // Is good enough. Use it.
 				}
 				TheWritableGlobalData->m_xResolution = xres;
diff --git a/GeneralsMD/Code/Main/WinMain.cpp b/GeneralsMD/Code/Main/WinMain.cpp
index 2ce8ca4c69..320e1e071d 100644
--- a/GeneralsMD/Code/Main/WinMain.cpp
+++ b/GeneralsMD/Code/Main/WinMain.cpp
@@ -79,9 +79,6 @@ const Char *g_strFile = "data\\Generals.str";
 const Char *g_csfFile = "data\\%s\\Generals.csf";
 const char *gAppPrefix = ""; /// So WB can have a different debug log file name.
 
-#define DEFAULT_XRESOLUTION 800
-#define DEFAULT_YRESOLUTION 600
-
 static Bool gInitializing = false;
 static Bool gDoPaint = true;
 static Bool isWinMainActive = false;
@@ -601,7 +598,7 @@ LRESULT CALLBACK WndProc( HWND hWnd, UINT message,
 						Int savContext = ::SaveDC(dc);
 						HDC tmpDC = ::CreateCompatibleDC(dc);
 						HBITMAP savBitmap = (HBITMAP)::SelectObject(tmpDC, gLoadScreenBitmap);
-						::BitBlt(dc, 0, 0, DEFAULT_XRESOLUTION, DEFAULT_YRESOLUTION, tmpDC, 0, 0, SRCCOPY);
+						::BitBlt(dc, 0, 0, DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT, tmpDC, 0, 0, SRCCOPY);
 						::SelectObject(tmpDC, savBitmap);
 						::DeleteDC(tmpDC);
 						::RestoreDC(dc, savContext);
@@ -683,8 +680,8 @@ LRESULT CALLBACK WndProc( HWND hWnd, UINT message,
 static Bool initializeAppWindows( HINSTANCE hInstance, Int nCmdShow, Bool runWindowed )
 {
 	DWORD windowStyle;
-	Int startWidth = DEFAULT_XRESOLUTION,
-			startHeight = DEFAULT_YRESOLUTION;
+	Int startWidth = DEFAULT_DISPLAY_WIDTH,
+			startHeight = DEFAULT_DISPLAY_HEIGHT;
 
 	// register the window class
 
@@ -710,8 +707,8 @@ static Bool initializeAppWindows( HINSTANCE hInstance, Int nCmdShow, Bool runWin
 	AdjustWindowRect (&rect, windowStyle, FALSE);
 	if (runWindowed) {
 		// Makes the normal debug 800x600 window center in the screen.
-		startWidth = DEFAULT_XRESOLUTION;
-		startHeight= DEFAULT_YRESOLUTION;
+		startWidth = DEFAULT_DISPLAY_WIDTH;
+		startHeight= DEFAULT_DISPLAY_HEIGHT;
 	}
 
 	gInitializing = true;