furnace/src/engine/platform/amiga.h

91 lines
2.5 KiB
C++

/**
* Furnace Tracker - multi-system chiptune tracker
* Copyright (C) 2021-2023 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.
*/
#ifndef _AMIGA_H
#define _AMIGA_H
#include "../dispatch.h"
#include <queue>
#include "../waveSynth.h"
class DivPlatformAmiga: public DivDispatch {
struct Channel: public SharedChannel<signed char> {
unsigned int audLoc;
unsigned short audLen;
unsigned int audPos;
int audSub;
signed char audDat;
int sample, wave;
int busClock;
bool useWave, setPos, useV, useP;
DivWaveSynth ws;
Channel():
SharedChannel<signed char>(64),
audLoc(0),
audLen(0),
audPos(0),
audSub(0),
audDat(0),
sample(-1),
wave(-1),
busClock(0),
useWave(false),
setPos(false),
useV(false),
useP(false) {}
};
Channel chan[4];
DivDispatchOscBuffer* oscBuf[4];
bool isMuted[4];
bool bypassLimits;
bool amigaModel;
bool filterOn;
int filter[2][4];
int filtConst;
int filtConstOff, filtConstOn;
int sep1, sep2;
friend void putDispatchChip(void*,int);
friend void putDispatchChan(void*,int,int);
public:
void acquire(short** buf, size_t len);
int dispatch(DivCommand c);
void* getChanState(int chan);
DivDispatchOscBuffer* getOscBuffer(int chan);
void reset();
void forceIns();
void tick(bool sysTick=true);
void muteChannel(int ch, bool mute);
int getOutputCount();
bool keyOffAffectsArp(int ch);
DivMacroInt* getChanMacroInt(int ch);
void setFlags(const DivConfig& flags);
void notifyInsChange(int ins);
void notifyWaveChange(int wave);
void notifyInsDeletion(void* ins);
const char** getRegisterSheet();
int init(DivEngine* parent, int channels, int sugRate, const DivConfig& flags);
void quit();
};
#endif