furnace/src/engine/platform/genesisext.h

74 lines
2.2 KiB
C++

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