94 lines
3 KiB
C++
94 lines
3 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 _MSM6258_H
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#define _MSM6258_H
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#include "../dispatch.h"
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#include <queue>
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#include "sound/oki/okim6258.h"
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class DivPlatformMSM6258: public DivDispatch {
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protected:
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struct Channel: public SharedChannel<int> {
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bool furnacePCM;
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int sample;
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unsigned char pan;
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Channel():
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SharedChannel<int>(8),
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furnacePCM(false),
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sample(-1),
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pan(3) {}
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};
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Channel chan[1];
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DivDispatchOscBuffer* oscBuf[1];
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bool isMuted[1];
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struct QueuedWrite {
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unsigned short addr;
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unsigned char val;
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QueuedWrite(unsigned short a, unsigned char v): addr(a), val(v) {}
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};
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std::queue<QueuedWrite> writes;
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okim6258_device* msm;
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unsigned char lastBusy;
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unsigned char* adpcmMem;
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size_t adpcmMemLen;
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bool sampleLoaded[256];
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unsigned char sampleBank, msmPan, msmDivider, rateSel, msmClock, clockSel;
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signed char msmDividerCount, msmClockCount;
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short msmOut;
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int delay, updateOsc, sample, samplePos;
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friend void putDispatchChip(void*,int);
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friend void putDispatchChan(void*,int,int);
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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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DivMacroInt* getChanMacroInt(int ch);
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DivDispatchOscBuffer* getOscBuffer(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(bool sysTick=true);
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void muteChannel(int ch, bool mute);
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bool isStereo();
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bool keyOffAffectsArp(int ch);
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void notifyInsChange(int ins);
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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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void setFlags(const DivConfig& flags);
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const char** getRegisterSheet();
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const void* getSampleMem(int index);
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size_t getSampleMemCapacity(int index);
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size_t getSampleMemUsage(int index);
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bool isSampleLoaded(int index, int sample);
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void renderSamples(int chipID);
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int init(DivEngine* parent, int channels, int sugRate, const DivConfig& flags);
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void quit();
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~DivPlatformMSM6258();
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};
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#endif
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