furnace/src/engine/platform/upd1771c.h

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2024-08-11 02:22:49 -04:00
/**
* 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 _UPD1771C_H
#define _UPD1771C_H
#include "../dispatch.h"
#include "../../fixedQueue.h"
#include "sound/upd1771c.h"
class DivPlatformUPD1771c: public DivDispatch {
struct Channel: public SharedChannel<signed char> {
unsigned int wave; // pcm is channel 3 ONLY
int pos, duty;
Channel():
SharedChannel<signed char>(15),
wave(0),
pos(0),
duty(0) {}
};
Channel chan[1];
DivDispatchOscBuffer* oscBuf[1];
bool isMuted[4];
struct QueuedWrite {
unsigned char addr;
unsigned char val;
QueuedWrite(): addr(0), val(9) {}
QueuedWrite(unsigned char a, unsigned char v): addr(a), val(v) {}
};
FixedQueue<QueuedWrite,512> writes;
int curChan;
int tempL[32];
int tempR[32];
int coreQuality;
unsigned char regPool[16];
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);
int getOutputCount();
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();
~DivPlatformUPD1771c();
};
#endif