furnace/src/engine/platform/msm6295.h
2023-01-19 19:18:40 -05:00

100 lines
3.5 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 _MSM6295_H
#define _MSM6295_H
#include "../dispatch.h"
#include <queue>
#include "vgsound_emu/src/msm6295/msm6295.hpp"
class DivPlatformMSM6295: public DivDispatch, public vgsound_emu_mem_intf {
protected:
struct Channel: public SharedChannel<int> {
bool furnacePCM;
int sample;
Channel():
SharedChannel<int>(8),
furnacePCM(false),
sample(-1) {}
};
Channel chan[4];
DivDispatchOscBuffer* oscBuf[4];
bool isMuted[4];
struct QueuedWrite {
unsigned short addr;
unsigned char val;
unsigned short delay;
QueuedWrite(unsigned short a, unsigned char v, unsigned short d=96):
addr(a),
val(v),
delay(d) {}
};
std::queue<QueuedWrite> writes;
msm6295_core msm;
unsigned char lastBusy;
unsigned char* adpcmMem;
size_t adpcmMemLen;
bool sampleLoaded[256];
unsigned char sampleBank;
int delay, updateOsc;
bool rateSel=false, rateSelInit=false;
friend void putDispatchChip(void*,int);
friend void putDispatchChan(void*,int,int);
public:
virtual u8 read_byte(u32 address) override;
virtual void acquire(short** buf, size_t len) override;
virtual int dispatch(DivCommand c) override;
virtual void* getChanState(int chan) override;
virtual DivMacroInt* getChanMacroInt(int ch) override;
virtual DivDispatchOscBuffer* getOscBuffer(int chan) override;
virtual unsigned char* getRegisterPool() override;
virtual int getRegisterPoolSize() override;
virtual void reset() override;
virtual void forceIns() override;
virtual void tick(bool sysTick=true) override;
virtual void muteChannel(int ch, bool mute) override;
virtual bool keyOffAffectsArp(int ch) override;
virtual float getPostAmp() override;
virtual void notifyInsChange(int ins) override;
virtual void notifyInsDeletion(void* ins) override;
virtual void poke(unsigned int addr, unsigned short val) override;
virtual void poke(std::vector<DivRegWrite>& wlist) override;
virtual void setFlags(const DivConfig& flags) override;
virtual const char** getRegisterSheet() override;
virtual const void* getSampleMem(int index) override;
virtual size_t getSampleMemCapacity(int index) override;
virtual size_t getSampleMemUsage(int index) override;
virtual bool isSampleLoaded(int index, int sample) override;
virtual void renderSamples(int chipID) override;
virtual int init(DivEngine* parent, int channels, int sugRate, const DivConfig& flags) override;
virtual void quit() override;
DivPlatformMSM6295():
DivDispatch(),
vgsound_emu_mem_intf(),
msm(*this) {}
~DivPlatformMSM6295();
};
#endif