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diff --git a/source/mupen64plus-core/src/api/callbacks.c b/source/mupen64plus-core/src/api/callbacks.c
new file mode 100644
index 0000000..b15ad63
--- /dev/null
+++ b/source/mupen64plus-core/src/api/callbacks.c
@@ -0,0 +1,78 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ *   Mupen64plus-core - api/callbacks.c                                    *
+ *   Mupen64Plus homepage: http://code.google.com/p/mupen64plus/           *
+ *   Copyright (C) 2009 Richard Goedeken                                   *
+ *                                                                         *
+ *   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.          *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/* This file contains the Core functions for handling callbacks to the
+ * front-end application
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+
+#include "m64p_types.h"
+#include "callbacks.h"
+
+/* local variables */
+static ptr_DebugCallback pDebugFunc = NULL;
+static ptr_StateCallback pStateFunc = NULL;
+static void *            DebugContext = NULL;
+static void *            StateContext = NULL;
+
+/* global Functions for use by the Core */
+m64p_error SetDebugCallback(ptr_DebugCallback pFunc, void *Context)
+{
+    pDebugFunc = pFunc;
+    DebugContext = Context;
+    return M64ERR_SUCCESS;
+}
+
+m64p_error SetStateCallback(ptr_StateCallback pFunc, void *Context)
+{
+    pStateFunc = pFunc;
+    StateContext = Context;
+    return M64ERR_SUCCESS;
+}
+
+void DebugMessage(int level, const char *message, ...)
+{
+  char msgbuf[256];
+  va_list args;
+
+  if (pDebugFunc == NULL)
+      return;
+
+  va_start(args, message);
+  vsprintf(msgbuf, message, args);
+
+  (*pDebugFunc)(DebugContext, level, msgbuf);
+
+  va_end(args);
+}
+
+void StateChanged(m64p_core_param param_type, int new_value)
+{
+    if (pStateFunc == NULL)
+        return;
+
+    (*pStateFunc)(StateContext, param_type, new_value);
+}
+
+