furnace/src/engine/platform/sms.h
2023-03-06 04:21:10 -05:00

102 lines
3 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 _SMS_H
#define _SMS_H
#include "../dispatch.h"
#include "sound/sn76496.h"
extern "C" {
#include "../../../extern/Nuked-PSG/ympsg.h"
}
#include <queue>
class DivPlatformSMS: public DivDispatch {
struct Channel: public SharedChannel<signed char> {
int actualNote;
bool writeVol;
Channel():
SharedChannel<signed char>(15),
actualNote(0),
writeVol(false) {}
};
Channel chan[4];
DivDispatchOscBuffer* oscBuf[4];
bool isMuted[4];
unsigned char lastPan;
unsigned char oldValue;
unsigned char snNoiseMode;
unsigned char regPool[16];
unsigned char chanLatch;
int divider=16;
double toneDivider=64.0;
double noiseDivider=64.0;
bool updateSNMode;
bool resetPhase;
bool isRealSN;
bool stereo;
bool nuked;
bool easyNoise;
sn76496_base_device* sn;
ympsg_t sn_nuked;
struct QueuedWrite {
unsigned short addr;
unsigned char val;
bool addrOrVal;
QueuedWrite(unsigned short a, unsigned char v): addr(a), val(v), addrOrVal(false) {}
};
std::queue<QueuedWrite> writes;
friend void putDispatchChip(void*,int);
friend void putDispatchChan(void*,int,int);
double NOTE_SN(int ch, int note);
int snCalcFreq(int ch);
void poolWrite(unsigned short a, unsigned char v);
void acquire_nuked(short** buf, size_t len);
void acquire_mame(short** buf, size_t len);
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);
bool keyOffAffectsPorta(int ch);
float getPostAmp();
int getPortaFloor(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();
void setNuked(bool value);
int init(DivEngine* parent, int channels, int sugRate, const DivConfig& flags);
void quit();
~DivPlatformSMS();
};
#endif