furnace/src/engine/platform/genesisext.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 "genesis.h"
class DivPlatformGenesisExt: public DivPlatformGenesis {
struct OpChannel {
DivMacroInt std;
unsigned char freqH, freqL;
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int freq, baseFreq, pitch, pitch2, portaPauseFreq, ins;
signed char konCycles;
bool active, insChanged, freqChanged, keyOn, keyOff, portaPause, inPorta, mask;
int vol;
unsigned char pan;
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OpChannel():
freqH(0),
freqL(0),
freq(0),
baseFreq(0),
pitch(0),
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pitch2(0),
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portaPauseFreq(0),
ins(-1),
active(false),
insChanged(true),
freqChanged(false),
keyOn(false),
keyOff(false),
portaPause(false),
inPorta(false),
mask(true),
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vol(0),
pan(3) {}
};
OpChannel opChan[4];
bool isOpMuted[4];
friend void putDispatchChip(void*,int);
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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);
DivMacroInt* getChanMacroInt(int ch);
DivDispatchOscBuffer* getOscBuffer(int chan);
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void reset();
void forceIns();
void tick(bool sysTick=true);
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void muteChannel(int ch, bool mute);
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bool keyOffAffectsArp(int ch);
bool keyOffAffectsPorta(int ch);
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void notifyInsChange(int ins);
int getPortaFloor(int ch);
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int init(DivEngine* parent, int channels, int sugRate, unsigned int flags);
void quit();
~DivPlatformGenesisExt();
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};