diff --git a/code/REDALERT/EGOS.CPP b/code/REDALERT/EGOS.CPP
index 7b42bcc..9d30e2c 100644
--- a/code/REDALERT/EGOS.CPP
+++ b/code/REDALERT/EGOS.CPP
@@ -67,7 +67,6 @@ DynamicVectorClass<EgoClass *> EgoList;
 ** Names of slideshow pictures to play behind the text
 */
 char SlideNames[NUM_SLIDES][13]={
-
 	"aftr_hi.pcx",
 	"aly1.pcx",
 	"apc_hi.pcx",
@@ -87,29 +86,6 @@ char SlideNames[NUM_SLIDES][13]={
 	"tent.pcx"
 };
 
-/*
-** Names of low res slideshow pictures to play behind the text
-*/
-char LoresSlideNames[NUM_SLIDES][13]={
-	"malo0107.cps",
-	"mig_lo.cps",
-	"mtfactlo.cps",
-	"needl-lo.cps",
-	"sov2-lo.cps",
-	"spy-lo.cps",
-	"staln-lo.cps",
-	"tent-lo.cps",
-	"aftr_lo.cps",
-	"aly1-lo.cps",
-	"apc_lo.cps",
-	"aplo0049.cps",
-	"bnlo0020.cps",
-	"dclo0040.cps",
-	"frlo0166.cps",
-	"lab-lo.cps",
-	"lands-lo.cps"
-};
-
 /*
 ** Array of all the palettes required for the slides
 */
@@ -293,7 +269,9 @@ void EgoClass::Wipe (GraphicBufferClass *background)
 		}
 	}
 
-	background->Blit(*LogicPage, x-1, YPos, x-1, YPos, width+2, 7 * RESFACTOR +1, false);
+	GL_FillRect( TBLACK, x - 1, YPos, width + 2, 7 * RESFACTOR + 1 );
+
+	//background->Blit(*LogicPage, x-1, YPos, x-1, YPos, width+2, 7 * RESFACTOR +1, false);
 }
 
 
@@ -744,9 +722,9 @@ void Show_Who_Was_Responsible (void)
 	*/
 	for (index = 0 ; index < NUM_SLIDES ; index++)
 	{
-		SlideBuffers[index] = new GraphicBufferClass;
-		SlideBuffers[index]->Init (SeenBuff.Get_Width(), SeenBuff.Get_Height(), NULL , 0 , (GBC_Enum)0);
-		Load_Title_Screen( &SlideNames[index][0], SlideBuffers[index], (unsigned char*) &SlidePals[index][0] );
+		//SlideBuffers[index] = new GraphicBufferClass;
+		//SlideBuffers[index]->Init (SeenBuff.Get_Width(), SeenBuff.Get_Height(), NULL , 0 , (GBC_Enum)0);
+		//Load_Title_Screen( &SlideNames[index][0], SlideBuffers[index], (unsigned char*) &SlidePals[index][0] );
 	}
 
 	/*
@@ -812,7 +790,7 @@ void Show_Who_Was_Responsible (void)
 		/*
 		** Do the slideshow background.
 		*/
-		Slide_Show (slide_number, picture_frame);
+		//Slide_Show (slide_number, picture_frame);
 
 		/*
 		** Scroll the text. If any text goes off the top then delete that object.
@@ -855,6 +833,7 @@ void Show_Who_Was_Responsible (void)
 		*/
 		HidPage.Blit(SeenBuff, 0, 8 * RESFACTOR, 0, 8*RESFACTOR, SeenBuff.Get_Width(), SeenBuff.Get_Height() - 16* RESFACTOR, false);
 
+
 		/*
 		** If user hits escape then break.
 		*/
diff --git a/code/REDALERT/EXPAND.CPP b/code/REDALERT/EXPAND.CPP
index 69a3b67..ae1cad2 100644
--- a/code/REDALERT/EXPAND.CPP
+++ b/code/REDALERT/EXPAND.CPP
@@ -243,31 +243,8 @@ const char* XlatNames[] = {
 
 #endif
 
-
-
-#ifndef WIN32	 //VG
-
-	#define	OPTION_WIDTH	236
-#ifdef FIXIT_CSII	//	checked - ajw 9/28/98
-#error Can never again build without WIN32 defined.
-	#define	OPTION_HEIGHT	162
-#else
-	#define	OPTION_HEIGHT	162
-#endif
-	#define	OPTION_X			((320 - OPTION_WIDTH) / 2)
-	#define	OPTION_Y			(200 - OPTION_HEIGHT) / 2
-
-#else
-
-	#define	OPTION_WIDTH	560
-#ifdef FIXIT_CSII	//	checked - ajw 9/28/98
-	#define	OPTION_HEIGHT	332
-#else
-	#define	OPTION_HEIGHT	300
-#endif
-	#define	OPTION_X			((640 - OPTION_WIDTH) / 2)
-	#define	OPTION_Y			(400 - OPTION_HEIGHT) / 2
-#endif
+#define	OPTION_WIDTH	560
+#define	OPTION_HEIGHT	332
 
 struct EObjectClass
 {
@@ -355,11 +332,7 @@ void EListClass::Draw_Entry(int index, int x, int y, int width, int selected)
 		}
 	}
 
-#ifndef WIN32
-        Conquer_Clip_Text_Print(buffer, x, y, scheme, TBLACK, flags & ~(TPF_CENTER), width, Tabs);
-#else
 	Conquer_Clip_Text_Print(buffer, x + 100, y, scheme, TBLACK, flags & ~(TPF_CENTER), width, Tabs);
-#endif
 }
 
 #ifdef FIXIT_VERSION_3
@@ -369,6 +342,8 @@ bool Expansion_Dialog(void)
 #endif
 {
 	GadgetClass * buttons = NULL;
+	int OPTION_X = (SeenBuff.Get_Width() - OPTION_WIDTH) / 2;
+	int OPTION_Y = (SeenBuff.Get_Height() - OPTION_HEIGHT) / 2;
 
 #ifndef WIN32
 	TextButtonClass ok(200, TXT_OK, TPF_BUTTON, OPTION_X+40, OPTION_Y+OPTION_HEIGHT-15);
diff --git a/code/REDALERT/MAPEDDLG.CPP b/code/REDALERT/MAPEDDLG.CPP
index 41c0b0f..050a12c 100644
--- a/code/REDALERT/MAPEDDLG.CPP
+++ b/code/REDALERT/MAPEDDLG.CPP
@@ -655,6 +655,8 @@ int MapEditClass::Pick_Scenario(char const * caption, int & scen_nump, ScenarioP
 		g_globalKeyNumType = KN_NONE;
 		g_globalKeyFlags = 0;
 		UserInput.Process_Input();
+
+		Device_Present();
 	}
 
 	Imgui_Dialog_Function = nullptr;
@@ -1122,6 +1124,8 @@ int MapEditClass::Size_Map(int x, int y, int w, int h)
 			g_globalKeyFlags = 0;
 			UserInput.Process_Input();
 
+			Device_Present();
+
 		//	display = REDRAW_NONE;
 		
 
@@ -1958,9 +1962,10 @@ int MapEditClass::Scenario_Dialog(void)
 		*/
 		KeyNumType input = KN_NONE; //commands->Input();
 
-		g_globalKeyNumType = KN_NONE;
+		//g_globalKeyNumType = KN_NONE;
 		g_globalKeyFlags = 0;
-		UserInput.Process_Input();
+
+		UserInput.Process_Input(input);
 
 		/*
 		**	Process input
@@ -2554,6 +2559,8 @@ int MapEditClass::Select_Trigger(void)
 		g_globalKeyFlags = 0;
 		UserInput.Process_Input();
 
+		Device_Present();
+
 		/*
 		**	Get user input
 		*/
diff --git a/code/REDALERT/MAPEDIT.CPP b/code/REDALERT/MAPEDIT.CPP
index 06cc48c..ab87f0e 100644
--- a/code/REDALERT/MAPEDIT.CPP
+++ b/code/REDALERT/MAPEDIT.CPP
@@ -1589,7 +1589,7 @@ void MapEditClass::Main_Menu(void)
 		g_globalKeyFlags = 0;
 		UserInput.Process_Input();
 
-		Call_Back();
+		Device_Present();
 
 		Show_Mouse();
 
@@ -1786,8 +1786,12 @@ void MapEditClass::AI_Menu(void)
 		*/
 		Call_Back();
 
+		g_globalKeyNumType = KN_NONE;
+		g_globalKeyFlags = 0;
 		UserInput.Process_Input();
 
+		Device_Present();
+
 		/*
 		**	Invoke menu
 		*/
diff --git a/code/REDALERT/MAPEDTM.CPP b/code/REDALERT/MAPEDTM.CPP
index 7c07909..32a7366 100644
--- a/code/REDALERT/MAPEDTM.CPP
+++ b/code/REDALERT/MAPEDTM.CPP
@@ -330,6 +330,12 @@ int MapEditClass::Select_Team(char const * )
 		/*
 		**	Get user input
 		*/
+		g_globalKeyNumType = KN_NONE;
+		g_globalKeyFlags = 0;
+		UserInput.Process_Input();
+
+		//Device_Present();
+
 		KeyNumType input = commands->Input();
 
 		/*
diff --git a/code/REDALERT/MENUS.CPP b/code/REDALERT/MENUS.CPP
index fd8ffda..7b534d0 100644
--- a/code/REDALERT/MENUS.CPP
+++ b/code/REDALERT/MENUS.CPP
@@ -245,11 +245,7 @@ int Check_Menu(int menu, char const * text[], char *, long field, int index, Key
 		key = 0;
 		UnknownKey = 0;
 		if (Keyboard->Check()) {
-#ifdef WIN32
 			key = (Keyboard->Get() & ~(WWKEY_SHIFT_BIT | WWKEY_ALT_BIT | WWKEY_CTRL_BIT));			/* mask off all but release bit	*/
-#else
-			key = (Keyboard->Get() & 0x08FF);			/* mask off all but release bit	*/
-#endif
 		}
 	}
 	else {
@@ -441,18 +437,23 @@ int Do_Menu(char const ** strings, bool )
 	Keyboard->Clear();
 	selection = -1;
 	UnknownKey = 0;
+
+	// AI options main selection loop
 	while (selection == -1) {
-// jmarshall
+		Call_Back();
+
 		g_globalKeyNumType = KN_NONE;
 		g_globalKeyFlags = 0;
+		UserInput.Process_Input();
 
-		Call_Back();
+		Device_Present();
 
 		Show_Mouse(true);
 
 		selection = Check_Menu(0, strings, NULL, 0xFFL, 0, (KeyNumType)g_globalKeyFlags);
-		if (UnknownKey != 0 || UnknownKey == KN_ESC || UnknownKey==KN_LMOUSE || UnknownKey==KN_RMOUSE) break;
+		if ( UnknownKey != 0 || UnknownKey == KN_ESC || UnknownKey==KN_LMOUSE || UnknownKey==KN_RMOUSE) break;
 	}
+
 	Keyboard->Clear();
 	Hide_Mouse();
 
diff --git a/code/REDALERT/NULLDLG.CPP b/code/REDALERT/NULLDLG.CPP
index 03e77e5..d35c81b 100644
--- a/code/REDALERT/NULLDLG.CPP
+++ b/code/REDALERT/NULLDLG.CPP
@@ -666,10 +666,10 @@ oh_dear_its_a_label:
 		...................... Refresh display if needed ......................
 		*/
 		{
-			if (housebtn.IsDropped) {
-				housebtn.Collapse();
-				display = REDRAW_BACKGROUND;
-			}
+			//if (housebtn.IsDropped) {
+				//housebtn.Collapse();
+				//display = REDRAW_BACKGROUND;
+			//}
 			Hide_Mouse();
 
 			/*
@@ -775,7 +775,7 @@ oh_dear_its_a_label:
 			.......................... Redraw buttons ..........................
 			*/
 			{
-				commands->Flag_List_To_Redraw();
+				//commands->Flag_List_To_Redraw();
 				commands->Draw_All();
 			}
 
@@ -788,12 +788,14 @@ oh_dear_its_a_label:
 		*/
 		messages_have_focus = Session.Messages.Has_Edit_Focus();
 		bool droplist_is_dropped = housebtn.IsDropped;
+
 		input = commands->Input();
 
 		/*
 		........................ Invoke game callback .........................
 		*/
-		Call_Back();
+		//Call_Back();
+		Device_Present();
 
 		Load_Title_Page(true);
 
diff --git a/code/REDALERT/SPECIAL.CPP b/code/REDALERT/SPECIAL.CPP
index c841948..7fb9ad4 100644
--- a/code/REDALERT/SPECIAL.CPP
+++ b/code/REDALERT/SPECIAL.CPP
@@ -477,8 +477,8 @@ int Fetch_Difficulty(void)
 {
 	int const w = 250 * RESFACTOR;
 	int const h = 80 * RESFACTOR;
-	int const x = ((320 * RESFACTOR)/2) - w/2;
-	int const y = ((200 * RESFACTOR)/2) - h/2;
+	int const x = ( SeenBuff.Get_Width() - w ) / 2;
+	int const y = ( SeenBuff.Get_Height() - h ) / 2;
 	int const bwidth = 30 * RESFACTOR;
 
 	/*
diff --git a/code/REDALERT/WINSTUB.CPP b/code/REDALERT/WINSTUB.CPP
index 132ccbf..1a77d5c 100644
--- a/code/REDALERT/WINSTUB.CPP
+++ b/code/REDALERT/WINSTUB.CPP
@@ -702,6 +702,7 @@ void Create_Main_Window ( HANDLE instance , int command_show , int width , int h
 	SDL_Init(SDL_INIT_VIDEO);
 	game_window = SDL_CreateWindow(WINDOW_NAME, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, width, height, SDL_WINDOW_SHOWN | SDL_WINDOW_OPENGL);	
 	game_context = SDL_GL_CreateContext(game_window);
+	SDL_GL_SetSwapInterval(0);
 
 	SDL_SysWMinfo wmInfo;
 	SDL_VERSION(&wmInfo.version);