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alexbevi
GitHub Repository: alexbevi/BizHawk
 Path: blob/master/libgambatte/src/video/lyc_irq.h
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/***************************************************************************

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 *   Copyright (C) 2007 by Sindre Aamås                                    *

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 *   [email protected]                                                    *

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 *                                                                         *

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 *   This program is free software; you can redistribute it and/or modify  *

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 *   it under the terms of the GNU General Public License version 2 as     *

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 *   published by the Free Software Foundation.                            *

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 *                                                                         *

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 *   This program is distributed in the hope that it will be useful,       *

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 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *

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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *

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 *   GNU General Public License version 2 for more details.                *

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 *                                                                         *

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 *   You should have received a copy of the GNU General Public License     *

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 *   version 2 along with this program; if not, write to the               *

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 *   Free Software Foundation, Inc.,                                       *

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 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *

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 ***************************************************************************/

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#ifndef VIDEO_LYC_IRQ_H

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#define VIDEO_LYC_IRQ_H

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#include "newstate.h"

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namespace gambatte {

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struct SaveState;

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class LyCounter;

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class LycIrq {

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	unsigned long time_;

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 	unsigned char lycRegSrc_;

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 	unsigned char statRegSrc_;

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	unsigned char lycReg_;

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	unsigned char statReg_;

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	bool cgb_;

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	void regChange(unsigned statReg, unsigned lycReg, const LyCounter &lyCounter, unsigned long cc);

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public:

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	LycIrq();

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	void doEvent(unsigned char *ifreg, const LyCounter &lyCounter);

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	unsigned lycReg() const { return lycRegSrc_; }

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	void loadState(const SaveState &state);

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	unsigned long time() const { return time_; }

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	void setCgb(const bool cgb) { cgb_ = cgb; }

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	void lcdReset();

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	void reschedule(const LyCounter & lyCounter, unsigned long cc);

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	void statRegChange(unsigned statReg, const LyCounter &lyCounter, unsigned long cc) {

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		regChange(statReg, lycRegSrc_, lyCounter, cc);

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	}

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	void lycRegChange(unsigned lycReg, const LyCounter &lyCounter, unsigned long cc) {

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		regChange(statRegSrc_, lycReg, lyCounter, cc);

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	}

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	template<bool isReader>void SyncState(NewState *ns);

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};

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}

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#endif

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