diff --git a/src/burn/drv/konami/d_aliens.cpp b/src/burn/drv/konami/d_aliens.cpp
index d6aa5c134..63dcf0a9d 100644
--- a/src/burn/drv/konami/d_aliens.cpp
+++ b/src/burn/drv/konami/d_aliens.cpp
@@ -493,8 +493,10 @@ static INT32 DrvFrame()
 	}
 
 	{
-		memset (DrvInputs, 0xff, 3);
-		for (INT32 i = 0; i < 8; i++) {
+		memset (DrvInputs, 0xff, sizeof ( DrvInputs ));
+
+		for (INT32 i = 0; i < 8; i++) 
+		{
 			DrvInputs[0] ^= (DrvJoy1[i] & 1) << i;
 			DrvInputs[1] ^= (DrvJoy2[i] & 1) << i;
 			DrvDips[2] ^= (DrvJoy3[i] & 1) << i;
diff --git a/src/burn/drv/konami/d_twin16.cpp b/src/burn/drv/konami/d_twin16.cpp
index f50cb3451..69225ef5a 100644
--- a/src/burn/drv/konami/d_twin16.cpp
+++ b/src/burn/drv/konami/d_twin16.cpp
@@ -1386,8 +1386,10 @@ static INT32 DrvFrame()
 	}
 
 	{
-		memset (DrvInputs, 0xff, 5);
-		for (INT32 i = 0; i < 16; i++) {
+		memset (DrvInputs, 0xff, sizeof ( DrvInputs ));
+
+		for (INT32 i = 0; i < 16; i++) 
+		{
 			DrvInputs[0] ^= (DrvJoy1[i] & 1) << i;
 			DrvInputs[1] ^= (DrvJoy2[i] & 1) << i;
 			DrvInputs[2] ^= (DrvJoy3[i] & 1) << i;
diff --git a/src/burn/drv/snes/snes_ppu.cpp b/src/burn/drv/snes/snes_ppu.cpp
index d568cfe84..67fa5a33a 100644
--- a/src/burn/drv/snes/snes_ppu.cpp
+++ b/src/burn/drv/snes/snes_ppu.cpp
@@ -1092,7 +1092,7 @@ struct OAM
 	int height, width;
 };
 
-static struct OAM oam_list[SNES_SCR_WIDTH / 2];
+static struct OAM oam_list[(SNES_SCR_WIDTH / 2) + 1];
 
 #if 0
 
diff --git a/src/burn/drv/taito/d_asuka.cpp b/src/burn/drv/taito/d_asuka.cpp
index ea2e71aba..5ede10747 100644
--- a/src/burn/drv/taito/d_asuka.cpp
+++ b/src/burn/drv/taito/d_asuka.cpp
@@ -1090,7 +1090,7 @@ UINT8 __fastcall bonze_sound_read(UINT16 a)
 
 static void DrvMakeInputs()
 {
-	memset (TC0220IOCInput, 0xff, 3);
+	memset (TC0220IOCInput, 0xff, sizeof ( TC0220IOCInput ));
 
 	TC0220IOCInput[2] &= ~TaitoInputConfig; // asuka
 
diff --git a/src/burn/drv/taito/taito.cpp b/src/burn/drv/taito/taito.cpp
index 26433ebd6..62d8d0567 100644
--- a/src/burn/drv/taito/taito.cpp
+++ b/src/burn/drv/taito/taito.cpp
@@ -16,7 +16,8 @@ UINT8 TaitoInputPort1[8]       = { 0, 0, 0, 0, 0, 0, 0, 0 };
 UINT8 TaitoInputPort2[8]       = { 0, 0, 0, 0, 0, 0, 0, 0 };
 UINT8 TaitoInputPort3[8]       = { 0, 0, 0, 0, 0, 0, 0, 0 };
 UINT8 TaitoInputPort4[8]       = { 0, 0, 0, 0, 0, 0, 0, 0 };
-UINT8 TaitoInputPort5[8]       = { 0, 0, 0, 0, 0, 0, 0, 0 };
+
+UINT8 TaitoInputPort5[16]      = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
 UINT8 TaitoDip[2]              = { 0, 0 };
 UINT8 TaitoInput[6]            = { 0, 0, 0, 0, 0, 0 };
 UINT8 TaitoReset               = 0;
diff --git a/src/burn/drv/taito/taito.h b/src/burn/drv/taito/taito.h
index 53342eafa..cf88bae3f 100644
--- a/src/burn/drv/taito/taito.h
+++ b/src/burn/drv/taito/taito.h
@@ -3,7 +3,7 @@ extern UINT8 TaitoInputPort1[8];
 extern UINT8 TaitoInputPort2[8];
 extern UINT8 TaitoInputPort3[8];
 extern UINT8 TaitoInputPort4[8];
-extern UINT8 TaitoInputPort5[8];
+extern UINT8 TaitoInputPort5[16];
 extern UINT8 TaitoDip[2];
 extern UINT8 TaitoInput[6];
 extern UINT8 TaitoReset;
diff --git a/src/burn/drv/taito/taito_ic.h b/src/burn/drv/taito/taito_ic.h
index ad70266f7..fc3f34534 100644
--- a/src/burn/drv/taito/taito_ic.h
+++ b/src/burn/drv/taito/taito_ic.h
@@ -198,7 +198,7 @@ extern UINT8 TC0220IOCInputPort0[8];
 extern UINT8 TC0220IOCInputPort1[8];
 extern UINT8 TC0220IOCInputPort2[8];
 extern UINT8 TC0220IOCDip[2];
-extern UINT8 TC0220IOCInput[3];
+extern UINT8 TC0220IOCInput[6];
 
 UINT8 TC0220IOCPortRead();
 UINT8 TC0220IOCHalfWordPortRead();
diff --git a/src/burn/drv/taito/tc0220ioc.cpp b/src/burn/drv/taito/tc0220ioc.cpp
index e730e0e46..f77c77dac 100644
--- a/src/burn/drv/taito/tc0220ioc.cpp
+++ b/src/burn/drv/taito/tc0220ioc.cpp
@@ -7,7 +7,8 @@ UINT8 TC0220IOCInputPort0[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
 UINT8 TC0220IOCInputPort1[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
 UINT8 TC0220IOCInputPort2[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
 UINT8 TC0220IOCDip[2]        = { 0, 0 };
-UINT8 TC0220IOCInput[3]      = { 0, 0, 0 };
+
+UINT8 TC0220IOCInput[6]      = { 0, 0, 0, 0, 0, 0 };
 
 static UINT8 TC0220IOCRegs[8];
 static UINT8 TC0220IOCPort;
diff --git a/src/burner/win32/mdi.cpp b/src/burner/win32/mdi.cpp
index adbb635f7..083a4e8a0 100644
--- a/src/burner/win32/mdi.cpp
+++ b/src/burner/win32/mdi.cpp
@@ -124,12 +124,12 @@ BOOL RegNewMDIChild()
 	wcex.lpfnWndProc		= VideoWndProc;										// video window process callback
 	wcex.cbClsExtra			= 0;
 	wcex.cbWndExtra			= 0;
-	wcex.hInstance			= hAppInst;											// fba instance handle
-	wcex.hIcon				= LoadIcon(hAppInst, MAKEINTRESOURCE(IDI_APP));		// fba icon
-	wcex.hCursor			= LoadCursor(NULL, IDC_ARROW);						// regular cursor
-	wcex.hbrBackground		= CreateSolidBrush(0);								// black video window background
-	wcex.lpszMenuName		= NULL;												// no menu
-	wcex.lpszClassName		= szVidWndClass;									// video window class (MDI child)
+	wcex.hInstance			= hAppInst;												// fba instance handle
+	wcex.hIcon				= LoadIcon(hAppInst, MAKEINTRESOURCE(IDI_APP));			// fba icon
+	wcex.hCursor			= LoadCursor(NULL, IDC_ARROW);							// regular cursor
+	wcex.hbrBackground		= static_cast<HBRUSH>( GetStockObject( BLACK_BRUSH ));	// black video window background
+	wcex.lpszMenuName		= NULL;													// no menu
+	wcex.lpszClassName		= szVidWndClass;										// video window class (MDI child)
 	wcex.hIconSm			= LoadIcon(hAppInst, MAKEINTRESOURCE(IDI_APP));
 
 	if(!RegisterClassEx(&wcex))	
diff --git a/src/burner/win32/scrn.cpp b/src/burner/win32/scrn.cpp
index f96bed9a2..4e1ce84d2 100644
--- a/src/burner/win32/scrn.cpp
+++ b/src/burner/win32/scrn.cpp
@@ -2791,7 +2791,7 @@ static int ScrnRegister()
 	WndClassEx.hInstance		= hAppInst;
 	WndClassEx.hIcon			= LoadIcon(hAppInst, MAKEINTRESOURCE(IDI_APP));
 	WndClassEx.hCursor			= LoadCursor(NULL, IDC_ARROW);
-	WndClassEx.hbrBackground	= CreateSolidBrush(0);
+	WndClassEx.hbrBackground	= static_cast<HBRUSH>( GetStockObject ( BLACK_BRUSH ));
 	WndClassEx.lpszClassName	= szClass;
 
 	// Register the window class with the above information:
diff --git a/src/burner/win32/sel.cpp b/src/burner/win32/sel.cpp
index 2db9ab9f3..65c4a75bd 100644
--- a/src/burner/win32/sel.cpp
+++ b/src/burner/win32/sel.cpp
@@ -499,7 +499,7 @@ static int SelListMake()
 		if (szSearchString[0]) {
 			TCHAR *StringFound = NULL;
 			TCHAR *StringFound2 = NULL;
-			TCHAR szDriverName[100];
+			TCHAR szDriverName[256];
 			wcscpy(szDriverName, BurnDrvGetText(DRV_FULLNAME));
 			for (int k =0; k < 100; k++) {
 				szSearchString[k] = _totlower(szSearchString[k]);
diff --git a/src/cpu/z80/z80.cpp b/src/cpu/z80/z80.cpp
index 980c59f53..d12440e72 100644
--- a/src/cpu/z80/z80.cpp
+++ b/src/cpu/z80/z80.cpp
@@ -3505,6 +3505,10 @@ void Z80Reset()
 void Z80Exit()
 {
 
+	if (SZHVC_add) free(SZHVC_add);
+	SZHVC_add = NULL;
+	if (SZHVC_sub) free(SZHVC_sub);
+	SZHVC_sub = NULL;
 }
 
 int Z80Execute(int cycles)