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Diffstat (limited to 'src/electronics/components/flipflop.h')
-rw-r--r-- | src/electronics/components/flipflop.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/electronics/components/flipflop.h b/src/electronics/components/flipflop.h new file mode 100644 index 0000000..7b9d5b7 --- /dev/null +++ b/src/electronics/components/flipflop.h @@ -0,0 +1,107 @@ +/*************************************************************************** + * Copyright (C) 2005 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 FLIPFLOP_H +#define FLIPFLOP_H + +#include "component.h" +#include "logic.h" + +class Simulator; + +/** +@short Boolean D-Type Flip-Flop +@author David Saxton +*/ +class ECDFlipFlop : public CallbackClass, public Component +{ +public: + ECDFlipFlop( ICNDocument *icnDocument, bool newItem, const char *id = 0L ); + ~ECDFlipFlop(); + virtual bool canFlip() const { return true; } + + static Item* construct( ItemDocument *itemDocument, bool newItem, const char *id ); + static LibraryItem *libraryItem(); + +private: + void inputChanged( bool newState ); + void inStateChanged( bool newState ); + void asyncChanged(bool newState ); + void clockChanged(bool newState ); + + LogicIn *m_pD; + LogicIn *m_pClock; + LogicOut *m_pQ; + LogicOut *m_pQBar; + LogicIn *setp; + LogicIn *rstp; + bool m_bPrevClock; + + bool m_prevD[2]; + unsigned m_whichPrevD:1; + unsigned long long m_prevDSimTime; + Simulator * m_pSimulator; +}; + + +/** +@short Boolean JK-Type Flip-Flop +@author Couriousous +*/ +class ECJKFlipFlop : public CallbackClass, public Component +{ +public: + ECJKFlipFlop( ICNDocument *icnDocument, bool newItem, const char *id = 0L ); + ~ECJKFlipFlop(); + virtual bool canFlip() const { return true; } + + static Item* construct( ItemDocument *itemDocument, bool newItem, const char *id ); + static LibraryItem *libraryItem(); + +private: + void inStateChanged( bool newState ); + void asyncChanged(bool newState ); + void clockChanged(bool newState ); + bool prev_state; + LogicIn *m_pJ; + LogicIn *m_pClock; + LogicIn *m_pK; + LogicIn *setp; + LogicIn *rstp; + LogicOut *m_pQ; + LogicOut *m_pQBar; +}; + + +/** +@short Boolean Set-Reset Flip-Flop +@author David Saxton +*/ +class ECSRFlipFlop : public CallbackClass, public Component +{ +public: + ECSRFlipFlop( ICNDocument *icnDocument, bool newItem, const char *id = 0L ); + ~ECSRFlipFlop(); + virtual bool canFlip() const { return true; } + + static Item* construct( ItemDocument *itemDocument, bool newItem, const char *id ); + static LibraryItem *libraryItem(); + +protected: + void inStateChanged( bool newState ); + LogicIn * m_pS; + LogicIn * m_pR; + LogicOut * m_pQ; + LogicOut * m_pQBar; + bool old_q1; + bool old_q2; +}; + +#endif |