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+/***************************************************************************
+ * Copyright (C) 2003 by David Saxton *
+ * david@bluehaze.org *
+ * *
+ * 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. *
+ ***************************************************************************/
+
+#ifndef EC555_H
+#define EC555_H
+
+#include "component.h"
+
+#include <qstringlist.h>
+
+/**
+@short 555 IC
+@author David Saxton
+*/
+class EC555 : public Component
+{
+public:
+ EC555( ICNDocument *icnDocument, bool newItem, const char *id = 0L );
+ ~EC555();
+
+ virtual bool canFlip() const { return true; }
+ static Item* construct( ItemDocument *itemDocument, bool newItem, const char *id );
+ static LibraryItem *libraryItem();
+
+ virtual void stepNonLogic();
+ virtual bool doesStepNonLogic() const { return true; }
+
+private:
+ Pin * ground;
+ Pin * trigger;
+ Pin * output;
+ Pin * reset;
+ Pin * control;
+ Pin * threshold;
+ Pin * discharge;
+ Pin * vcc;
+
+ Resistance *m_r1;
+ Resistance *m_r23;
+ Resistance *m_po_sink;
+ Resistance *m_po_source;
+ Resistance *m_r_discharge;
+
+ bool old_com1;
+ bool old_com2;
+ bool old_q;
+};
+
+#endif