furnace/src/engine/platform/msm5232.h
2022-10-04 03:34:38 -05:00

108 lines
3.2 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.
*/
#ifndef _MSM5232_H
#define _MSM5232_H
#include "../dispatch.h"
#include <queue>
#include "../macroInt.h"
#include "sound/oki/msm5232.h"
class DivPlatformMSM5232: public DivDispatch {
struct Channel {
int freq, baseFreq, pitch, pitch2, note;
int ins;
bool active, insChanged, freqChanged, keyOn, keyOff, inPorta, noise;
signed char vol, outVol;
DivMacroInt std;
void macroInit(DivInstrument* which) {
std.init(which);
pitch2=0;
}
Channel():
freq(0),
baseFreq(0),
pitch(0),
pitch2(0),
note(0),
ins(-1),
active(false),
insChanged(true),
freqChanged(false),
keyOn(false),
keyOff(false),
inPorta(false),
noise(false),
vol(127),
outVol(127) {}
};
Channel chan[8];
DivDispatchOscBuffer* oscBuf[8];
int partVolume[8];
int initPartVolume[8];
int clockDriftLFOWave[256];
double capacitance[8];
bool isMuted[8];
bool updateGroup[2];
bool updateGroupAR[2];
bool updateGroupDR[2];
bool groupEnv[2];
unsigned char groupControl[2];
unsigned char groupAR[2];
unsigned char groupDR[2];
struct QueuedWrite {
unsigned char addr;
unsigned char val;
QueuedWrite(unsigned char a, unsigned char v): addr(a), val(v) {}
};
std::queue<QueuedWrite> writes;
int cycles, curChan, delay, detune, clockDriftAccum;
unsigned int clockDriftLFOPos, clockDriftLFOSpeed;
short temp[16];
msm5232_device* msm;
unsigned char regPool[128];
friend void putDispatchChip(void*,int);
friend void putDispatchChan(void*,int,int);
public:
void acquire(short* bufL, short* bufR, size_t start, size_t len);
int dispatch(DivCommand c);
void* getChanState(int chan);
DivMacroInt* getChanMacroInt(int ch);
DivDispatchOscBuffer* getOscBuffer(int chan);
unsigned char* getRegisterPool();
int getRegisterPoolSize();
void reset();
void forceIns();
void tick(bool sysTick=true);
void muteChannel(int ch, bool mute);
bool isStereo();
bool keyOffAffectsArp(int ch);
void setFlags(const DivConfig& flags);
void notifyInsDeletion(void* ins);
void poke(unsigned int addr, unsigned short val);
void poke(std::vector<DivRegWrite>& wlist);
const char** getRegisterSheet();
int init(DivEngine* parent, int channels, int sugRate, const DivConfig& flags);
void quit();
~DivPlatformMSM5232();
};
#endif