mirror of
https://github.com/tildearrow/furnace.git
synced 2024-11-14 00:35:06 +00:00
109 lines
3.7 KiB
C++
109 lines
3.7 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.
|
|
*/
|
|
|
|
#ifndef _GA20_H
|
|
#define _GA20_H
|
|
|
|
#include "../dispatch.h"
|
|
#include <queue>
|
|
#include "../macroInt.h"
|
|
#include "sound/ga20/iremga20.h"
|
|
|
|
class DivPlatformGA20: public DivDispatch, public iremga20_intf {
|
|
struct Channel: public SharedChannel<int> {
|
|
int prevFreq;
|
|
unsigned int audPos;
|
|
int sample;
|
|
bool volumeChanged, setPos;
|
|
int resVol;
|
|
int macroVolMul;
|
|
Channel():
|
|
SharedChannel<int>(255),
|
|
prevFreq(-1),
|
|
audPos(0),
|
|
sample(-1),
|
|
volumeChanged(false),
|
|
setPos(false),
|
|
resVol(255),
|
|
macroVolMul(64) {}
|
|
};
|
|
Channel chan[4];
|
|
DivDispatchOscBuffer* oscBuf[4];
|
|
bool isMuted[4];
|
|
struct QueuedWrite {
|
|
unsigned short addr;
|
|
unsigned char val;
|
|
unsigned short delay;
|
|
QueuedWrite(unsigned short a, unsigned char v, unsigned short d=1):
|
|
addr(a),
|
|
val(v),
|
|
delay(d) {}
|
|
};
|
|
std::queue<QueuedWrite> writes;
|
|
unsigned int sampleOffGA20[256];
|
|
bool sampleLoaded[256];
|
|
|
|
int delay;
|
|
|
|
short* ga20Buf[4];
|
|
size_t ga20BufLen;
|
|
|
|
unsigned char* sampleMem;
|
|
size_t sampleMemLen;
|
|
iremga20_device ga20;
|
|
unsigned char regPool[32];
|
|
friend void putDispatchChip(void*,int);
|
|
friend void putDispatchChan(void*,int,int);
|
|
|
|
void chWrite(unsigned char ch, unsigned int addr, unsigned char val);
|
|
public:
|
|
virtual u8 read_byte(u32 address) override;
|
|
virtual void acquire(short* bufL, short* bufR, size_t start, size_t len) override;
|
|
virtual int dispatch(DivCommand c) override;
|
|
virtual void* getChanState(int chan) override;
|
|
virtual DivMacroInt* getChanMacroInt(int ch) 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 bool isStereo() override;
|
|
virtual void notifyInsChange(int ins) override;
|
|
virtual void notifyWaveChange(int wave) override;
|
|
virtual void notifyInsDeletion(void* ins) override;
|
|
virtual void setFlags(const DivConfig& flags) 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 void renderSamples(int chipID) override;
|
|
virtual int init(DivEngine* parent, int channels, int sugRate, const DivConfig& flags) override;
|
|
virtual void quit() override;
|
|
DivPlatformGA20():
|
|
DivDispatch(),
|
|
iremga20_intf(),
|
|
ga20(*this) {}
|
|
};
|
|
|
|
#endif
|