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diff --git a/backends/platform/psp/timer.h b/backends/platform/psp/timer.h
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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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.
+ *
+ * $URL: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/trunk/backends/platform/psp/osys_psp.cpp $
+ * $Id: osys_psp.cpp 46126 2009-11-24 14:18:46Z fingolfin $
+ *
+ */
+
+#ifndef PSP_TIMER_H
+#define PSP_TIMER_H 
+ 
+class PspTimer {
+public:
+	typedef void (* CallbackFunc)(void);
+	PspTimer() : _callback(0), _interval(0), _threadId(-1), _init(false) {}
+	void stop() { _init = false; }
+	bool start();
+	~PspTimer() { stop(); }
+	void setCallback(CallbackFunc cb) { _callback = cb; }
+	void setIntervalMs(uint32 interval) { _interval = interval * 1000; }
+	static int thread(SceSize, void *__this);		// static thread to use as bridge
+	void timerThread();
+private:
+	CallbackFunc _callback;	// pointer to timer callback
+	uint32 _interval;
+	int _threadId;
+	bool _init;
+};
+
+#endif