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https://github.com/tildearrow/furnace.git
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70 lines
2.1 KiB
C++
70 lines
2.1 KiB
C++
/**
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* Furnace Tracker - multi-system chiptune tracker
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* Copyright (C) 2021-2022 tildearrow and contributors
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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 as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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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 for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "../dispatch.h"
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#include "ym2203.h"
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class DivPlatformYM2203Ext: public DivPlatformYM2203 {
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struct OpChannel {
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DivMacroInt std;
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unsigned char freqH, freqL;
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int freq, baseFreq, pitch, pitch2, portaPauseFreq, ins;
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signed char konCycles;
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bool active, insChanged, freqChanged, keyOn, keyOff, portaPause, inPorta, mask;
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int vol;
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// UGLY
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OpChannel():
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freqH(0),
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freqL(0),
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freq(0),
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baseFreq(0),
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pitch(0),
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pitch2(0),
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portaPauseFreq(0),
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ins(-1),
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active(false),
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insChanged(true),
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freqChanged(false),
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keyOn(false),
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keyOff(false),
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portaPause(false),
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inPorta(false),
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mask(true),
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vol(0) {}
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};
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OpChannel opChan[4];
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bool isOpMuted[4];
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friend void putDispatchChip(void*,int);
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friend void putDispatchChan(void*,int,int);
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public:
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int dispatch(DivCommand c);
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void* getChanState(int chan);
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DivMacroInt* getChanMacroInt(int ch);
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DivDispatchOscBuffer* getOscBuffer(int chan);
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void reset();
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void forceIns();
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void tick(bool sysTick=true);
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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, const DivConfig& flags);
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void quit();
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~DivPlatformYM2203Ext();
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};
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