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diff --git a/source/gles2glide64/src/Glide64/FrameSkipper.h b/source/gles2glide64/src/Glide64/FrameSkipper.h
new file mode 100755
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+++ b/source/gles2glide64/src/Glide64/FrameSkipper.h
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+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ *   Copyright (C) 2011 yongzh (freeman.yong@gmail.com)                    *
+ *                                                                         *
+ *   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 FRAME_SKIPPER_H
+#define FRAME_SKIPPER_H
+
+class FrameSkipper {
+public:
+	enum { AUTO, MANUAL };
+
+	FrameSkipper();
+
+	void setSkips(int type, int max) {
+		skipType = type;
+		maxSkips = max;
+	}
+
+	void setTargetFPS(int fps) {
+		targetFPS = fps;
+	}
+	bool willSkipNext() {
+		return (skipCounter > 0);
+	}
+	
+#if 0
+	bool hasSkipped();
+#else
+	bool hasSkipped() {
+		return (oldSkip > 0);
+	}
+	void newFrame();
+#endif
+	void start();
+	void update();
+
+private:
+	int skipType;
+	int	oldSkip;
+	int maxSkips;
+	int targetFPS;
+	int skipCounter;
+	int	countVI;
+	unsigned int initialTicks;
+	unsigned int virtualCount;
+};
+
+#endif
+