furnace/src/engine/platform/ym2610ext.h

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/**
* Furnace Tracker - multi-system chiptune tracker
* Copyright (C) 2021-2022 tildearrow and contributors
*
* 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.
*/
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#include "../dispatch.h"
#include "ym2610.h"
class DivPlatformYM2610Ext: public DivPlatformYM2610 {
struct OpChannel {
DivMacroInt std;
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unsigned char freqH, freqL;
int freq, baseFreq, pitch;
unsigned char ins;
signed char konCycles;
bool active, insChanged, freqChanged, keyOn, keyOff, portaPause;
int vol;
unsigned char pan;
OpChannel(): freqH(0), freqL(0), freq(0), baseFreq(0), pitch(0), ins(-1), active(false), insChanged(true), freqChanged(false), keyOn(false), keyOff(false), portaPause(false), vol(0), pan(3) {}
};
OpChannel opChan[4];
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bool isOpMuted[4];
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friend void putDispatchChan(void*,int,int);
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public:
int dispatch(DivCommand c);
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void* getChanState(int chan);
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void reset();
void forceIns();
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void tick();
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void muteChannel(int ch, bool mute);
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bool keyOffAffectsArp(int ch);
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void notifyInsChange(int ins);
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int init(DivEngine* parent, int channels, int sugRate, unsigned int flags);
void quit();
~DivPlatformYM2610Ext();
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};