129 lines
3.8 KiB
C++
129 lines
3.8 KiB
C++
/**
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* Furnace Tracker - multi-system chiptune tracker
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* Copyright (C) 2021-2024 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 _C64_H
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#define _C64_H
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#include "../dispatch.h"
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#include "../../fixedQueue.h"
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#include "sound/c64/sid.h"
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#include "sound/c64_fp/SID.h"
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#include "sound/c64_d/dsid.h"
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// TODO:
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// - ex3 (special) unify with ex4 (gate/test)
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// - ex4 (test) compatibility
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class DivPlatformC64: public DivDispatch {
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struct Channel: public SharedChannel<signed char> {
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int prevFreq, testWhen;
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unsigned char sweep, wave, attack, decay, sustain, release;
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short duty;
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bool sweepChanged, filter;
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bool resetMask, resetFilter, resetDuty, gate, ring, sync, test;
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Channel():
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SharedChannel<signed char>(15),
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prevFreq(65535),
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testWhen(0),
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sweep(0),
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wave(0),
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attack(0),
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decay(0),
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sustain(0),
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release(0),
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duty(0),
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sweepChanged(false),
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filter(false),
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resetMask(false),
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resetFilter(false),
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resetDuty(false),
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gate(true),
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ring(false),
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sync(false),
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test(false) {}
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};
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Channel chan[3];
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DivDispatchOscBuffer* oscBuf[3];
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bool isMuted[3];
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float fakeLow[3];
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float fakeBand[3];
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float fakeCutTable[2048];
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struct QueuedWrite {
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unsigned char addr;
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unsigned char val;
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QueuedWrite(): addr(0), val(0) {}
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QueuedWrite(unsigned char a, unsigned char v): addr(a), val(v) {}
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};
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FixedQueue<QueuedWrite,128> writes;
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unsigned char filtControl, filtRes, vol;
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unsigned char writeOscBuf;
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unsigned char sidCore;
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int filtCut, resetTime, initResetTime;
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bool keyPriority, sidIs6581, needInitTables, no1EUpdate, multiplyRel, macroRace;
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unsigned char chanOrder[3];
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unsigned char testAD, testSR;
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SID* sid;
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reSIDfp::SID* sid_fp;
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struct SID_chip* sid_d;
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unsigned char regPool[32];
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friend void putDispatchChip(void*,int);
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friend void putDispatchChan(void*,int,int);
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inline short runFakeFilter(unsigned char ch, int in);
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void acquire_classic(short* bufL, short* bufR, size_t start, size_t len);
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void acquire_fp(short* bufL, short* bufR, size_t start, size_t len);
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void updateFilter();
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public:
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void acquire(short** buf, size_t len);
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int dispatch(DivCommand c);
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void* getChanState(int chan);
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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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void setFlags(const DivConfig& flags);
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void notifyInsChange(int ins);
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bool getDCOffRequired();
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bool getWantPreNote();
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bool isVolGlobal();
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float getPostAmp();
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DivMacroInt* getChanMacroInt(int ch);
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DivChannelModeHints getModeHints(int chan);
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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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int init(DivEngine* parent, int channels, int sugRate, const DivConfig& flags);
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void setChipModel(bool is6581);
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void setCore(unsigned char which);
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void quit();
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~DivPlatformC64();
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};
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#endif
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