109 lines
3.5 KiB
C++
109 lines
3.5 KiB
C++
/**
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* Furnace Tracker - multi-system chiptune tracker
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* Copyright (C) 2021-2022 tildearrow and contributors
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef _SAA_H
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#define _SAA_H
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#include "../dispatch.h"
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#include "../macroInt.h"
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#include <queue>
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#include "sound/saa1099.h"
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#include "../../../extern/SAASound/src/SAASound.h"
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enum DivSAACores {
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DIV_SAA_CORE_MAME=0,
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DIV_SAA_CORE_SAASOUND,
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DIV_SAA_CORE_E
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};
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class DivPlatformSAA1099: public DivDispatch {
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protected:
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struct Channel {
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unsigned char freqH, freqL;
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int freq, baseFreq, pitch, note;
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unsigned char ins, psgMode;
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signed char konCycles;
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bool active, insChanged, freqChanged, keyOn, keyOff, portaPause, inPorta;
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int vol, outVol;
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unsigned char pan;
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DivMacroInt std;
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Channel(): freqH(0), freqL(0), freq(0), baseFreq(0), pitch(0), note(0), ins(-1), psgMode(1), active(false), insChanged(true), freqChanged(false), keyOn(false), keyOff(false), portaPause(false), inPorta(false), vol(0), outVol(15), pan(255) {}
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};
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Channel chan[6];
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bool isMuted[6];
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struct QueuedWrite {
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unsigned short addr;
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unsigned char val;
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bool addrOrVal;
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QueuedWrite(unsigned short a, unsigned char v): addr(a), val(v), addrOrVal(false) {}
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};
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std::queue<QueuedWrite> writes;
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DivSAACores core;
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saa1099_device saa;
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CSAASound* saa_saaSound;
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unsigned char regPool[32];
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unsigned char lastBusy;
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bool dacMode;
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int dacPeriod;
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int dacRate;
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int dacPos;
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int dacSample;
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unsigned char sampleBank;
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int delay;
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bool extMode;
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short oldWrites[16];
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short pendingWrites[16];
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short* saaBuf[2];
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size_t saaBufLen;
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unsigned char saaEnv[2];
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unsigned char saaNoise[2];
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friend void putDispatchChan(void*,int,int);
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void acquire_e(short* bufL, short* bufR, size_t start, size_t len);
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void acquire_saaSound(short* bufL, short* bufR, size_t start, size_t len);
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void acquire_mame(short* bufL, short* bufR, size_t start, size_t len);
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public:
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void acquire(short* bufL, short* bufR, size_t start, size_t len);
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int dispatch(DivCommand c);
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void* getChanState(int chan);
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unsigned char* getRegisterPool();
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int getRegisterPoolSize();
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void reset();
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void forceIns();
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void tick();
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void muteChannel(int ch, bool mute);
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void setCore(DivSAACores core);
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void setFlags(unsigned int flags);
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bool isStereo();
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int getPortaFloor(int ch);
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bool keyOffAffectsArp(int ch);
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void notifyInsDeletion(void* ins);
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void poke(unsigned int addr, unsigned short val);
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void poke(std::vector<DivRegWrite>& wlist);
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const char** getRegisterSheet();
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const char* getEffectName(unsigned char effect);
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int init(DivEngine* parent, int channels, int sugRate, unsigned int flags);
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void quit();
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};
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#endif
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