115 lines
3.8 KiB
C++
115 lines
3.8 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 _MSM6295_H
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#define _MSM6295_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 "vgsound_emu/src/msm6295/msm6295.hpp"
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class DivPlatformMSM6295: public DivDispatch, public vgsound_emu_mem_intf {
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protected:
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struct Channel {
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int note, ins;
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signed char konCycles;
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bool active, insChanged, freqChanged, keyOn, keyOff, furnacePCM, hardReset;
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int vol, outVol;
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int sample;
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DivMacroInt std;
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void macroInit(DivInstrument* which) {
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std.init(which);
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}
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Channel():
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note(0),
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ins(-1),
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active(false),
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insChanged(true),
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freqChanged(false),
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keyOn(false),
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keyOff(false),
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furnacePCM(false),
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hardReset(false),
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vol(8),
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outVol(8),
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sample(-1) {}
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};
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Channel chan[4];
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DivDispatchOscBuffer* oscBuf[4];
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bool isMuted[4];
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struct QueuedWrite {
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unsigned short addr;
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unsigned char val;
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unsigned short delay;
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QueuedWrite(unsigned short a, unsigned char v, unsigned short d=96):
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addr(a),
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val(v),
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delay(d) {}
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};
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std::queue<QueuedWrite> writes;
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msm6295_core 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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unsigned char sampleBank;
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int delay, updateOsc;
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bool rateSel=false, rateSelInit=false;
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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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virtual u8 read_byte(u32 address) override;
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virtual void acquire(short* bufL, short* bufR, size_t start, size_t len) override;
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virtual int dispatch(DivCommand c) override;
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virtual void* getChanState(int chan) override;
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virtual DivMacroInt* getChanMacroInt(int ch) override;
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virtual DivDispatchOscBuffer* getOscBuffer(int chan) override;
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virtual unsigned char* getRegisterPool() override;
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virtual int getRegisterPoolSize() override;
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virtual void reset() override;
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virtual void forceIns() override;
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virtual void tick(bool sysTick=true) override;
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virtual void muteChannel(int ch, bool mute) override;
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virtual bool keyOffAffectsArp(int ch) override;
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virtual float getPostAmp() override;
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virtual void notifyInsChange(int ins) override;
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virtual void notifyInsDeletion(void* ins) override;
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virtual void poke(unsigned int addr, unsigned short val) override;
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virtual void poke(std::vector<DivRegWrite>& wlist) override;
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virtual void setFlags(const DivConfig& flags) override;
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virtual const char** getRegisterSheet() override;
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virtual const void* getSampleMem(int index) override;
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virtual size_t getSampleMemCapacity(int index) override;
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virtual size_t getSampleMemUsage(int index) override;
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virtual void renderSamples() override;
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virtual int init(DivEngine* parent, int channels, int sugRate, const DivConfig& flags) override;
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virtual void quit() override;
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DivPlatformMSM6295():
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DivDispatch(),
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vgsound_emu_mem_intf(),
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msm(*this) {}
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~DivPlatformMSM6295();
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};
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#endif
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