furnace/src/engine/platform/nds.h
2024-03-17 15:17:30 -05:00

105 lines
3.6 KiB
C++

/**
* Furnace Tracker - multi-system chiptune tracker
* Copyright (C) 2021-2024 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 _NDS_H
#define _NDS_H
#include "../dispatch.h"
#include "sound/nds.hpp"
using namespace nds_sound_emu;
class DivPlatformNDS: public DivDispatch, public nds_sound_intf {
struct Channel: public SharedChannel<int> {
unsigned int audPos;
int sample, wave;
int panning, duty;
bool setPos, pcm, busy;
int macroVolMul;
Channel():
SharedChannel<int>(127),
audPos(0),
sample(-1),
wave(-1),
panning(64),
duty(0),
setPos(false),
pcm(false),
busy(false),
macroVolMul(64) {}
};
Channel chan[16];
DivDispatchOscBuffer* oscBuf[16];
bool isMuted[16];
bool isDSi;
int globalVolume;
unsigned int sampleOff[256];
bool sampleLoaded[256];
unsigned char* sampleMem;
size_t sampleMemLen;
nds_sound_t nds;
DivMemoryComposition memCompo;
unsigned char regPool[288];
friend void putDispatchChip(void*,int);
friend void putDispatchChan(void*,int,int);
public:
virtual u8 read_byte(u32 addr) override;
virtual void write_byte(u32 addr, u8 data) override;
virtual void acquire(short** buf, size_t len) override;
virtual int dispatch(DivCommand c) override;
virtual void* getChanState(int chan) override;
virtual DivMacroInt* getChanMacroInt(int ch) override;
virtual unsigned short getPan(int chan) override;
virtual DivDispatchOscBuffer* getOscBuffer(int chan) override;
virtual unsigned char* getRegisterPool() override;
virtual int getRegisterPoolSize() override;
virtual void reset() override;
virtual void forceIns() override;
virtual void tick(bool sysTick=true) override;
virtual void muteChannel(int ch, bool mute) override;
virtual float getPostAmp() override;
virtual int getOutputCount() override;
virtual void notifyInsChange(int ins) override;
virtual void notifyWaveChange(int wave) override;
virtual void notifyInsDeletion(void* ins) override;
virtual void poke(unsigned int addr, unsigned short val) override;
virtual void poke(std::vector<DivRegWrite>& wlist) override;
virtual const char** getRegisterSheet() override;
virtual const void* getSampleMem(int index = 0) override;
virtual size_t getSampleMemCapacity(int index = 0) override;
virtual size_t getSampleMemUsage(int index = 0) override;
virtual bool isSampleLoaded(int index, int sample) override;
virtual const DivMemoryComposition* getMemCompo(int index) override;
virtual void renderSamples(int chipID) override;
virtual void setFlags(const DivConfig& flags) override;
virtual int init(DivEngine* parent, int channels, int sugRate, const DivConfig& flags) override;
virtual void quit() override;
DivPlatformNDS():
DivDispatch(),
nds_sound_intf(),
nds(*this) {}
private:
void writeOutVol(int ch);
};
#endif