diff --git a/DXinit.cpp b/DXinit.cpp
index b3112cc..72da964 100644
--- a/DXinit.cpp
+++ b/DXinit.cpp
@@ -109,7 +109,7 @@ void displayD3DError(long,char *,i32)
 }
 
 // @SMALLTODO
-void displayDIError(long,char *,i32)
+void displayDIError(HRESULT error, char* buf, i32 line)
 {
     printf("displayDIError(long,char *,i32)");
 }
diff --git a/DXinit.h b/DXinit.h
index bf705a0..28f2b8f 100644
--- a/DXinit.h
+++ b/DXinit.h
@@ -42,4 +42,6 @@ EXPORT void shutdownDirectInput8(void);
 EXPORT void shutdownDirectSound8(void);
 EXPORT void gsub_5027A0(void);
 
+#define DISPLAY_DI_ERROR(x) displayDIError(x, __FILE__, __LINE__)
+
 #endif
diff --git a/DXsound.cpp b/DXsound.cpp
index cf26797..38df837 100644
--- a/DXsound.cpp
+++ b/DXsound.cpp
@@ -1,10 +1,12 @@
 #include "DXsound.h"
+#include "DXinit.h"
+#include "SpideyDX.h"
 #include "validate.h"
 
 #include <cstring>
 
 EXPORT i32 gKeyBoardRelated;
-EXPORT i32 gMouseRelated;
+EXPORT LPDIRECTINPUTDEVICEA g_pMouse;
 EXPORT i32 gControllerRelated;
 EXPORT i32 gForceFeedbackRelated;
 
@@ -14,6 +16,18 @@ EXPORT u8 gKeyState[0x100];
 EXPORT u8 gControllerButtonState[0x20];
 EXPORT u8 gMouseButtonState[3];
 
+#define DI_ERROR_LOG_AND_QUIT(x) {\
+	if (x)\
+	{\
+		DISPLAY_DI_ERROR(x);\
+		if (FAILED(hr))\
+		{\
+			DXINIT_ShutDown();\
+			exit(hr);\
+		}\
+	}\
+}
+
 EXPORT char* gDxKeyNames[0x100] = 
 {
 	"NULL",
@@ -322,7 +336,7 @@ void DXINPUT_Initialize(IDirectInputA* a1, HWND a2)
 	gDxInputHwnd = a2;
 
 	gKeyBoardRelated = 0;
-	gMouseRelated = 0;
+	g_pMouse = 0;
 	gControllerRelated = 0;
 	gForceFeedbackRelated = 0;
 	
@@ -396,12 +410,43 @@ i32 DXINPUT_SetupKeyboard(i32,i32)
 	return 0x23082024;
 }
 
-// @MEDIUMTODO
-i32 DXINPUT_SetupMouse(i32)
+// @Ok
+i32 DXINPUT_SetupMouse(i32 exclusive)
 {
-	g_pDI->CreateDevice(GUID_SysMouse, NULL, NULL);
-    printf("DXINPUT_SetupMouse(i32)");
-	return 0x23082024;
+	HRESULT hr = g_pDI->CreateDevice(GUID_SysMouse, &g_pMouse, NULL);
+	DI_ERROR_LOG_AND_QUIT(hr);
+
+
+	DIPROPDWORD v12;
+	v12.diph.dwHeaderSize = 16;
+	v12.dwData = 16;
+	v12.diph.dwSize = 20;
+	v12.diph.dwObj = 0;
+	v12.diph.dwHow = 0;
+
+	hr = g_pMouse->SetProperty(DIPROP_BUFFERSIZE, &v12.diph);
+	DI_ERROR_LOG_AND_QUIT(hr);
+
+	hr = g_pMouse->SetDataFormat(&c_dfDIMouse);
+	DI_ERROR_LOG_AND_QUIT(hr);
+
+	hr = g_pMouse->SetCooperativeLevel(gDxInputHwnd,
+			exclusive ? 
+				DISCL_FOREGROUND | DISCL_EXCLUSIVE :
+				DISCL_FOREGROUND | DISCL_NONEXCLUSIVE);
+	DI_ERROR_LOG_AND_QUIT(hr);
+
+	hr = g_pMouse->Acquire();
+	if (hr == DIERR_OTHERAPPHASPRIO)
+	{
+		DXERR_printf("Other application has priority when attempting to acquire mouse\n");
+	}
+	else
+	{
+		DI_ERROR_LOG_AND_QUIT(hr);
+	}
+	
+	return 1;
 }
 
 // @SMALLTODO