(Partially) K007232 support

Chip ID is placeholder.

src/engine/platform/k007232.h

@@ -0,0 +1,130 @@
+/**
+ * Furnace Tracker - multi-system chiptune tracker
+ * Copyright (C) 2021-2022 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 _K007232_H
+#define _K007232_H
+
+#include "../dispatch.h"
+#include <queue>
+#include "../macroInt.h"
+#include "vgsound_emu/src/k007232/k007232.hpp"
+
+class DivPlatformK007232: public DivDispatch, public k007232_intf {
+  struct Channel {
+    int freq, baseFreq, pitch, pitch2;
+    unsigned int audPos;
+    int sample, wave, ins;
+    int note;
+    int panning;
+    bool active, insChanged, volumeChanged, freqChanged, keyOn, keyOff, inPorta, setPos;
+    int vol, outVol, lvol, rvol;
+    int macroVolMul;
+    DivMacroInt std;
+    void macroInit(DivInstrument* which) {
+      std.init(which);
+      pitch2=0;
+    }
+    Channel():
+      freq(0),
+      baseFreq(0),
+      pitch(0),
+      pitch2(0),
+      audPos(0),
+      sample(-1),
+      ins(-1),
+      note(0),
+      panning(255),
+      active(false),
+      insChanged(true),
+      volumeChanged(false),
+      freqChanged(false),
+      keyOn(false),
+      keyOff(false),
+      inPorta(false),
+      setPos(false),
+      vol(15),
+      outVol(15),
+      lvol(15),
+      rvol(15),
+      macroVolMul(64) {}
+  };
+  Channel chan[2];
+  DivDispatchOscBuffer* oscBuf[2];
+  bool isMuted[2];
+  struct QueuedWrite {
+    unsigned short addr;
+    unsigned char val;
+    unsigned short delay;
+    QueuedWrite(unsigned short a, unsigned char v, unsigned short d=1):
+      addr(a),
+      val(v),
+      delay(d) {}
+  };
+  std::queue<QueuedWrite> writes;
+  unsigned int sampleOffK007232[256];
+  bool sampleLoaded[256];
+
+  int delay;
+  bool stereo;
+
+  unsigned char* sampleMem;
+  size_t sampleMemLen;
+  k007232_core k007232;
+  unsigned char regPool[32];
+  friend void putDispatchChip(void*,int);
+  friend void putDispatchChan(void*,int,int);
+
+  public:
+    u8 read_sample(u8 ne, u32 address);
+    void acquire(short* bufL, short* bufR, size_t start, size_t len);
+    int dispatch(DivCommand c);
+    void* getChanState(int chan);
+    DivMacroInt* getChanMacroInt(int ch);
+    DivDispatchOscBuffer* getOscBuffer(int chan);
+    unsigned char* getRegisterPool();
+    int getRegisterPoolSize();
+    void reset();
+    void forceIns();
+    void tick(bool sysTick=true);
+    void muteChannel(int ch, bool mute);
+    bool isStereo();
+    void setChipModel(int type);
+    void notifyInsChange(int ins);
+    void notifyWaveChange(int wave);
+    void notifyInsDeletion(void* ins);
+    void setFlags(const DivConfig& flags);
+    void poke(unsigned int addr, unsigned short val);
+    void poke(std::vector<DivRegWrite>& wlist);
+    const char** getRegisterSheet();
+    const void* getSampleMem(int index = 0);
+    size_t getSampleMemCapacity(int index = 0);
+    size_t getSampleMemUsage(int index = 0);
+    bool isSampleLoaded(int index, int sample);
+    void renderSamples(int chipID);
+    int init(DivEngine* parent, int channels, int sugRate, const DivConfig& flags);
+    void quit();
+    DivPlatformK007232():
+      DivDispatch(),
+      k007232_intf(),
+      k007232(*this) {}
+  private:
+    void chWrite(unsigned char ch, unsigned int addr, unsigned char val);
+};
+
+#endif