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diff --git a/engines/sword25/kernel/timer.h b/engines/sword25/kernel/timer.h
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+++ b/engines/sword25/kernel/timer.h
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+// -----------------------------------------------------------------------------
+// This file is part of Broken Sword 2.5
+// Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdörfer
+//
+// Broken Sword 2.5 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.
+//
+// Broken Sword 2.5 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 Broken Sword 2.5; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+// -----------------------------------------------------------------------------
+
+/*
+	BS_Timer
+	--------
+	Eine Klasse zum Auslesen des Systemtimers.
+
+	Autor: Malte Thiesen
+*/
+
+#ifndef BS_TIMER_H
+#define BS_TIMER_H
+
+// Includes
+#include "common.h"
+#include "bs_stdint.h"
+
+/**
+	@brief Eine Klasse zum Auslesen des Systemtimers.
+
+	Vor der Benutzung sollte immer mit IsTimerAvaliable() getestet werden, ob der Timer von der benutzten
+	Hardware unterstützt wird.
+*/
+class BS_Timer
+{
+public:
+	/**
+		@brief List den Systemtimer in Microsekunden aus.
+		@return Die Zahl vergangener Microsekunden seit dem Systemstart.<br>
+	*/
+	static uint64_t GetMicroTicks();
+
+	/**
+		@brief List den Systemtimer in Millisekunden aus.
+		@return Die Zahl vergangener Millisekunden seit dem Systemstart.<br>
+	*/
+	static unsigned int GetMilliTicks();
+
+	/**
+		@brief Prüft, ob der Timer auf der vorhandenen Hardware existiert.
+		@return Gibt false zurück, fals der Timer auf der vorhandenen Hardware nicht existiert.
+	*/
+	static bool IsTimerAvaliable();
+
+private:
+	/**
+		@brief Initialisiert den Timer.
+	*/
+	static void Init();
+};
+
+#endif