80 lines
1.9 KiB
C++
80 lines
1.9 KiB
C++
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//
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// Copyright (C) 2007 by sinamas <sinamas at users.sourceforge.net>
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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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// 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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#ifndef HuC3Chip_H
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#define HuC3Chip_H
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enum
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{
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HUC3_READ = 0,
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HUC3_WRITE = 1,
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HUC3_NONE = 2
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};
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#include <ctime>
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#include <stdint.h>
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namespace gambatte {
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struct SaveState;
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class HuC3Chip {
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public:
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HuC3Chip();
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uint64_t baseTime() const { return baseTime_; }
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void setBaseTime(uint64_t baseTime) { baseTime_ = baseTime; }
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uint64_t& getBaseTime()
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{
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return baseTime_;
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}
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void saveState(SaveState &state) const;
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void loadState(SaveState const &state);
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void setRamflag(unsigned char ramflag) { ramflag_ = ramflag; irReceivingPulse_ = false; }
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bool isHuC3() const { return enabled_; }
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void set(bool enabled) {
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enabled_ = enabled;
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}
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unsigned char read(unsigned p, unsigned long const cc);
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void write(unsigned p, unsigned data);
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private:
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uint64_t baseTime_;
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uint64_t haltTime_;
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unsigned dataTime_;
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unsigned writingTime_;
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unsigned char ramValue_;
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unsigned char shift_;
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unsigned char ramflag_;
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unsigned char modeflag_;
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unsigned long irBaseCycle_;
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bool enabled_;
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bool halted_;
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bool irReceivingPulse_;
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void doLatch();
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void updateTime();
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};
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}
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#endif
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