furnace/src/engine/platform/gbadma.h
2024-03-16 15:06:25 +07:00

84 lines
2.3 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 _GBA_DMA_H
#define _GBA_DMA_H
#include "../dispatch.h"
#include "../waveSynth.h"
class DivPlatformGBADMA: public DivDispatch {
struct Channel: public SharedChannel<int> {
unsigned int audLoc;
unsigned short audLen;
int audDat;
int audPos;
int audSub;
int dmaCount;
int sample, wave;
int pan;
bool useWave, setPos;
int envVol;
DivWaveSynth ws;
Channel():
SharedChannel<int>(2),
audLoc(0),
audLen(0),
audDat(0),
audPos(0),
audSub(0),
dmaCount(0),
sample(-1),
wave(-1),
pan(3),
useWave(false),
setPos(false),
envVol(2) {}
};
Channel chan[2];
DivDispatchOscBuffer* oscBuf[2];
bool isMuted[2];
int outDepth;
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();
DivMacroInt* getChanMacroInt(int ch);
unsigned short getPan(int chan);
DivSamplePos getSamplePos(int ch);
void setFlags(const DivConfig& flags);
void notifyInsChange(int ins);
void notifyWaveChange(int wave);
void notifyInsDeletion(void* ins);
int init(DivEngine* parent, int channels, int sugRate, const DivConfig& flags);
void quit();
};
#endif