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diff --git a/source/mupen64plus-core/src/osd/osd.h b/source/mupen64plus-core/src/osd/osd.h
new file mode 100644
index 0000000..bbdd699
--- /dev/null
+++ b/source/mupen64plus-core/src/osd/osd.h
@@ -0,0 +1,144 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ *   Mupen64plus - osd.h                                                   *
+ *   Mupen64Plus homepage: http://code.google.com/p/mupen64plus/           *
+ *   Copyright (C) 2008 Nmn, Ebenblues                                     *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.          *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+#ifndef __OSD_H__
+#define __OSD_H__
+
+#include "main/list.h"
+#include "osal/preproc.h"
+
+/******************************************************************
+   osd_corner
+   0    1    2 |
+    \ __|__/   | Offset always effects the same:
+     |     |   |  +X = Leftward   +Y = Upward
+   3-|  4  |-5 |  With no offset, the text will touch the border.
+     |_____|   |
+    /   |   \  |
+   6    7    8 |
+*******************************************************************/
+enum osd_corner {
+    OSD_TOP_LEFT,       // 0 in the picture above
+    OSD_TOP_CENTER,     // 1 in the picture above
+    OSD_TOP_RIGHT,      // 2 in the picture above
+
+    OSD_MIDDLE_LEFT,    // 3 in the picture above
+    OSD_MIDDLE_CENTER,  // 4 in the picture above
+    OSD_MIDDLE_RIGHT,   // 5 in the picture above
+
+    OSD_BOTTOM_LEFT,    // 6 in the picture above
+    OSD_BOTTOM_CENTER,  // 7 in the picture above
+    OSD_BOTTOM_RIGHT,   // 8 in the picture above
+
+    OSD_NUM_CORNERS
+};
+
+enum osd_message_state {
+    OSD_APPEAR,     // OSD message is appearing on the screen
+    OSD_DISPLAY,    // OSD message is being displayed on the screen
+    OSD_DISAPPEAR,  // OSD message is disappearing from the screen
+
+    OSD_NUM_STATES
+};
+
+enum osd_animation_type {
+    OSD_NONE,
+    OSD_FADE,
+
+    OSD_NUM_ANIM_TYPES
+};
+
+typedef struct {
+    char *text;        // Text that this object will have when displayed
+    enum osd_corner corner; // One of the 9 corners
+    float xoffset;     // Relative X position
+    float yoffset;     // Relative Y position
+    float color[3];    // Red, Green, Blue values
+    float sizebox[4];  // bounding box (xmin, ymin, xmax, ymax)
+    int state;         // display state of current message
+    enum osd_animation_type animation[OSD_NUM_STATES]; // animations for each display state
+    unsigned int timeout[OSD_NUM_STATES]; // timeouts for each display state
+#define OSD_INFINITE_TIMEOUT 0xffffffff
+    unsigned int frames; // number of frames in this state
+    int user_managed; // structure managed by caller and not to be freed by us
+    struct list_head list;
+} osd_message_t;
+
+enum { R, G, B }; // for referencing color array
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef M64P_OSD
+
+void osd_init(int width, int height);
+void osd_exit(void);
+void osd_render(void);
+osd_message_t * osd_new_message(enum osd_corner, const char *, ...);
+void osd_update_message(osd_message_t *, const char *, ...);
+void osd_delete_message(osd_message_t *);
+void osd_message_set_static(osd_message_t *);
+void osd_message_set_user_managed(osd_message_t *);
+
+#else
+
+static osal_inline void osd_init(int width, int height)
+{
+}
+
+static osal_inline void osd_exit(void)
+{
+}
+
+static osal_inline void osd_render(void)
+{
+}
+
+static osal_inline osd_message_t * osd_new_message(enum osd_corner eCorner, const char *fmt, ...)
+{
+	return NULL;
+}
+
+static osal_inline void osd_update_message(osd_message_t *msg, const char *fmt, ...)
+{
+}
+
+static osal_inline void osd_delete_message(osd_message_t *msg)
+{
+}
+
+static osal_inline void osd_message_set_static(osd_message_t *msg)
+{
+}
+
+static osal_inline void osd_message_set_user_managed(osd_message_t *msg)
+{
+}
+
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // __OSD_H__
+