furnace/src/engine/platform/zxbeeper.h
2023-01-19 19:18:40 -05:00

78 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 _ZXBEEPER_H
#define _ZXBEEPER_H
#include "../dispatch.h"
#include <queue>
class DivPlatformZXBeeper: public DivDispatch {
struct Channel: public SharedChannel<signed char> {
unsigned short sPosition;
unsigned char duty;
Channel():
SharedChannel<signed char>(1),
sPosition(0),
duty(64) {}
};
Channel chan[6];
DivDispatchOscBuffer* oscBuf[6];
bool isMuted[6];
struct QueuedWrite {
unsigned char addr;
unsigned char val;
QueuedWrite(unsigned char a, unsigned char v): addr(a), val(v) {}
};
std::queue<QueuedWrite> writes;
unsigned char lastPan, ulaOut;
int cycles, curChan, sOffTimer, delay, curSample, curSamplePeriod;
unsigned int curSamplePos;
int tempL[32];
int tempR[32];
unsigned char regPool[128];
bool sampleOut;
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);
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 keyOffAffectsArp(int ch);
void setFlags(const DivConfig& flags);
void notifyWaveChange(int wave);
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();
~DivPlatformZXBeeper();
};
#endif