Add NEC D65010G031 support

chip flag and instrument color is placeholder

CMakeLists.txt

@@ -459,6 +459,8 @@ src/engine/platform/sound/ga20/iremga20.cpp
 
 src/engine/platform/sound/sm8521.c
 
+src/engine/platform/sound/d65010g031.c
+
 src/engine/platform/oplAInterface.cpp
 src/engine/platform/ym2608Interface.cpp
 src/engine/platform/ym2610Interface.cpp
@@ -544,6 +546,7 @@ src/engine/platform/snes.cpp
 src/engine/platform/k007232.cpp
 src/engine/platform/ga20.cpp
 src/engine/platform/sm8521.cpp
+src/engine/platform/d65010g031.cpp
 src/engine/platform/pcmdac.cpp
 src/engine/platform/dummy.cpp
 )

src/engine/dispatchContainer.cpp

@@ -76,6 +76,7 @@
 #include "platform/k007232.h"
 #include "platform/ga20.h"
 #include "platform/sm8521.h"
+#include "platform/d65010g031.h"
 #include "platform/pcmdac.h"
 #include "platform/dummy.h"
 #include "../ta-log.h"
@@ -493,6 +494,9 @@ void DivDispatchContainer::init(DivSystem sys, DivEngine* eng, int chanCount, do
     case DIV_SYSTEM_SM8521:
       dispatch=new DivPlatformSM8521;
       break;
+    case DIV_SYSTEM_D65010G031:
+      dispatch=new DivPlatformD65010G031;
+      break;
     case DIV_SYSTEM_PCM_DAC:
       dispatch=new DivPlatformPCMDAC;
       break;

src/engine/instrument.cpp

@@ -928,6 +928,8 @@ void DivInstrument::putInsData2(SafeWriter* w, bool fui, const DivSong* song) {
         checkForWL=true;
         if (ws.enabled) featureWS=true;
         break;
+      case DIV_INS_D65010G031:
+        break;
       
       case DIV_INS_MAX:
         break;

src/engine/instrument.h

@@ -79,6 +79,7 @@ enum DivInstrumentType: unsigned short {
   DIV_INS_GA20=46,
   DIV_INS_POKEMINI=47,
   DIV_INS_SM8521=48,
+  DIV_INS_D65010G031=49,
   DIV_INS_MAX,
   DIV_INS_NULL
 };

src/engine/platform/d65010g031.cpp

@@ -0,0 +1,270 @@
+/**
+ * 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.
+ */
+
+#include "d65010g031.h"
+#include "../engine.h"
+#include <math.h>
+
+#define rWrite(a,v) {regPool[(a)]=(v)&0xff; d65010g031_write(&d65010g031,a,v);}
+
+#define CHIP_DIVIDER 1024
+
+const char* regCheatSheetD65010G031[]={
+  "CH1_Pitch", "00",
+  "CH2_Pitch", "01",
+  "CH3_Pitch", "02",
+  NULL
+};
+
+const char** DivPlatformD65010G031::getRegisterSheet() {
+  return regCheatSheetD65010G031;
+}
+
+void DivPlatformD65010G031::acquire(short** buf, size_t len) {
+  for (size_t h=0; h<len; h++) {
+    short samp;
+    samp=d65010g031_sound_tick(&d65010g031,1);
+    buf[0][h]=samp<<12;
+    for (int i=0; i<3; i++) {
+      oscBuf[i]->data[oscBuf[i]->needle++]=(d65010g031.square[i].out<<12);
+    }
+  }
+}
+
+void DivPlatformD65010G031::tick(bool sysTick) {
+  for (int i=0; i<3; i++) {
+    chan[i].std.next();
+    if (NEW_ARP_STRAT) {
+      chan[i].handleArp();
+    } else if (chan[i].std.arp.had) {
+      if (!chan[i].inPorta) {
+        chan[i].baseFreq=NOTE_PERIODIC(parent->calcArp(chan[i].note,chan[i].std.arp.val));
+      }
+      chan[i].freqChanged=true;
+    }
+    if (chan[i].std.pitch.had) {
+      if (chan[i].std.pitch.mode) {
+        chan[i].pitch2+=chan[i].std.pitch.val;
+        CLAMP_VAR(chan[i].pitch2,-32768,32767);
+      } else {
+        chan[i].pitch2=chan[i].std.pitch.val;
+      }
+      chan[i].freqChanged=true;
+    }
+    if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
+      chan[i].freq=0x3f-parent->calcFreq(chan[i].baseFreq,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,true,0,chan[i].pitch2,chipClock,CHIP_DIVIDER);
+      if (chan[i].freq<1) chan[i].freq=1;
+      if (chan[i].freq>62) chan[i].freq=62;
+      if (isMuted[i]) chan[i].keyOn=false;
+      if (chan[i].keyOn) {
+        rWrite(i,chan[i].freq);
+        chan[i].keyOn=false;
+      } else if (chan[i].freqChanged && chan[i].active && !isMuted[i]) {
+        rWrite(i,chan[i].freq);
+      }
+      if (chan[i].keyOff) {
+        rWrite(i,0);
+        chan[i].keyOff=false;
+      }
+      chan[i].freqChanged=false;
+    }
+  }
+}
+
+int DivPlatformD65010G031::dispatch(DivCommand c) {
+  switch (c.cmd) {
+    case DIV_CMD_NOTE_ON: {
+      DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_VIC);
+      if (c.value!=DIV_NOTE_NULL) {
+        chan[c.chan].baseFreq=NOTE_PERIODIC(c.value);
+        chan[c.chan].freqChanged=true;
+        chan[c.chan].note=c.value;
+      }
+      chan[c.chan].active=true;
+      chan[c.chan].keyOn=true;
+      chan[c.chan].macroInit(ins);
+      break;
+    }
+    case DIV_CMD_NOTE_OFF:
+      chan[c.chan].active=false;
+      chan[c.chan].keyOff=true;
+      chan[c.chan].macroInit(NULL);
+      break;
+    case DIV_CMD_NOTE_OFF_ENV:
+    case DIV_CMD_ENV_RELEASE:
+      chan[c.chan].std.release();
+      break;
+    case DIV_CMD_INSTRUMENT:
+      if (chan[c.chan].ins!=c.value || c.value2==1) {
+        chan[c.chan].ins=c.value;
+      }
+      break;
+    case DIV_CMD_GET_VOLUME:
+      return chan[c.chan].vol;
+      break;
+    case DIV_CMD_PITCH:
+      chan[c.chan].pitch=c.value;
+      chan[c.chan].freqChanged=true;
+      break;
+    case DIV_CMD_NOTE_PORTA: {
+      int destFreq=NOTE_PERIODIC(c.value2);
+      bool return2=false;
+      if (destFreq>chan[c.chan].baseFreq) {
+        chan[c.chan].baseFreq+=c.value;
+        if (chan[c.chan].baseFreq>=destFreq) {
+          chan[c.chan].baseFreq=destFreq;
+          return2=true;
+        }
+      } else {
+        chan[c.chan].baseFreq-=c.value;
+        if (chan[c.chan].baseFreq<=destFreq) {
+          chan[c.chan].baseFreq=destFreq;
+          return2=true;
+        }
+      }
+      chan[c.chan].freqChanged=true;
+      if (return2) {
+        chan[c.chan].inPorta=false;
+        return 2;
+      }
+      break;
+    }
+    case DIV_CMD_LEGATO:
+      chan[c.chan].baseFreq=NOTE_PERIODIC(c.value+((HACKY_LEGATO_MESS)?(chan[c.chan].std.arp.val):(0)));
+      chan[c.chan].freqChanged=true;
+      chan[c.chan].note=c.value;
+      break;
+    case DIV_CMD_PRE_PORTA:
+      if (chan[c.chan].active && c.value2) {
+        if (parent->song.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_VIC));
+      }
+      if (!chan[c.chan].inPorta && c.value && !parent->song.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) chan[c.chan].baseFreq=NOTE_PERIODIC(chan[c.chan].note);
+      chan[c.chan].inPorta=c.value;
+      break;
+    case DIV_CMD_GET_VOLMAX:
+      return 15;
+      break;
+    case DIV_CMD_MACRO_OFF:
+      chan[c.chan].std.mask(c.value,true);
+      break;
+    case DIV_CMD_MACRO_ON:
+      chan[c.chan].std.mask(c.value,false);
+      break;
+    case DIV_ALWAYS_SET_VOLUME:
+      return 1;
+      break;
+    default:
+      break;
+  }
+  return 1;
+}
+
+void DivPlatformD65010G031::muteChannel(int ch, bool mute) {
+  isMuted[ch]=mute;
+  if (mute) {
+    chan[ch].keyOff=true;
+  } else if (chan[ch].active) {
+    chan[ch].keyOn=true;
+  }
+}
+
+void DivPlatformD65010G031::forceIns() {
+  for (int i=0; i<3; i++) {
+    chan[i].insChanged=true;
+    chan[i].freqChanged=true;
+  }
+}
+
+void* DivPlatformD65010G031::getChanState(int ch) {
+  return &chan[ch];
+}
+
+DivMacroInt* DivPlatformD65010G031::getChanMacroInt(int ch) {
+  return &chan[ch].std;
+}
+
+DivDispatchOscBuffer* DivPlatformD65010G031::getOscBuffer(int ch) {
+  return oscBuf[ch];
+}
+
+unsigned char* DivPlatformD65010G031::getRegisterPool() {
+  return regPool;
+}
+
+int DivPlatformD65010G031::getRegisterPoolSize() {
+  return 3;
+}
+
+void DivPlatformD65010G031::reset() {
+  memset(regPool,0,3);
+  for (int i=0; i<3; i++) {
+    chan[i]=Channel();
+    chan[i].std.setEngine(parent);
+  }
+  d65010g031_reset(&d65010g031);
+}
+
+int DivPlatformD65010G031::getOutputCount() {
+  return 1;
+}
+
+void DivPlatformD65010G031::notifyInsDeletion(void* ins) {
+  for (int i=0; i<3; i++) {
+    chan[i].std.notifyInsDeletion((DivInstrument*)ins);
+  }
+}
+
+void DivPlatformD65010G031::setFlags(const DivConfig& flags) {
+  chipClock=COLOR_NTSC*5.0;
+  CHECK_CUSTOM_CLOCK;
+  rate=chipClock/1024;
+  for (int i=0; i<3; i++) {
+    oscBuf[i]->rate=rate;
+  }
+}
+
+void DivPlatformD65010G031::poke(unsigned int addr, unsigned short val) {
+  rWrite(addr,val);
+}
+
+void DivPlatformD65010G031::poke(std::vector<DivRegWrite>& wlist) {
+  for (DivRegWrite& i: wlist) rWrite(i.addr,i.val);
+}
+
+int DivPlatformD65010G031::init(DivEngine* p, int channels, int sugRate, const DivConfig& flags) {
+  parent=p;
+  dumpWrites=false;
+  skipRegisterWrites=false;
+  for (int i=0; i<3; i++) {
+    isMuted[i]=false;
+    oscBuf[i]=new DivDispatchOscBuffer;
+  }
+  setFlags(flags);
+  reset();
+  return 4;
+}
+
+void DivPlatformD65010G031::quit() {
+  for (int i=0; i<3; i++) {
+    delete oscBuf[i];
+  }
+}
+
+DivPlatformD65010G031::~DivPlatformD65010G031() {
+}

src/engine/platform/d65010g031.h

@@ -0,0 +1,63 @@
+/**
+ * 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 _D65010G031_H
+#define _D65010G031_H
+
+#include "../dispatch.h"
+#include "sound/d65010g031.h"
+#include <queue>
+
+class DivPlatformD65010G031: public DivDispatch {
+  struct Channel: public SharedChannel<int> {
+    Channel():
+      SharedChannel<int>(15) {}
+  };
+  Channel chan[3];
+  DivDispatchOscBuffer* oscBuf[3];
+  bool isMuted[3];
+
+  unsigned char regPool[3];
+  d65010g031_t d65010g031;
+  friend void putDispatchChip(void*,int);
+  friend void putDispatchChan(void*,int,int);
+  public:
+    void acquire(short** buf, 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);
+    void setFlags(const DivConfig& flags);
+    void notifyInsDeletion(void* ins);
+    int getOutputCount();
+    void poke(unsigned int addr, unsigned short val);
+    void poke(std::vector<DivRegWrite>& wlist);
+    const char** getRegisterSheet();
+    int init(DivEngine* parent, int channels, int sugRate, const DivConfig& flags);
+    void quit();
+    ~DivPlatformD65010G031();
+};
+
+#endif

src/engine/platform/sound/d65010g031.c

@@ -0,0 +1,86 @@
+/*
+
+============================================================================
+
+NEC D65010G031 sound emulator
+by cam900
+
+This file is licensed under zlib license.
+
+============================================================================
+
+zlib License
+
+(C) 2023-present cam900 and contributors
+
+This software is provided 'as-is', without any express or implied
+warranty.  In no event will the authors be held liable for any damages
+arising from the use of this software.
+
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it
+freely, subject to the following restrictions:
+
+1. The origin of this software must not be misrepresented; you must not
+   claim that you wrote the original software. If you use this software
+   in a product, an acknowledgment in the product documentation would be
+   appreciated but is not required.
+2. Altered source versions must be plainly marked as such, and must not be
+   misrepresented as being the original software.
+3. This notice may not be removed or altered from any source distribution.
+
+============================================================================
+
+TODO:
+- needs hardware test
+
+*/
+
+#include "d65010g031.h"
+#include <stdlib.h>
+
+static int d65010g031_max(int a, int b) { return (a > b) ? a : b; }
+
+int d65010g031_square_tick(struct d65010g031_square_t *square, const int cycle)
+{
+	if (square->period > 0)
+	{
+		int period = d65010g031_max(1, (0x3f - square->period));
+		square->counter += cycle;
+		while (square->counter >= period)
+		{
+			square->counter -= period;
+			square->out ^= 1;
+		}
+		return square->out;
+	}
+	return 0;
+}
+
+int d65010g031_sound_tick(struct d65010g031_t *d65010g031, const int cycle)
+{
+	int out = 0;
+	for (int i = 0; i < 3; i++)
+	{
+		out += d65010g031_square_tick(&d65010g031->square[i], cycle);
+	}
+	return out;
+}
+
+void d65010g031_reset(struct d65010g031_t *d65010g031)
+{
+	for (int i = 0; i < 3; i++)
+	{
+		d65010g031->square[i].period = 0;
+		d65010g031->square[i].counter = 0;
+		d65010g031->square[i].out = 0;
+	}
+}
+
+void d65010g031_write(struct d65010g031_t *d65010g031, const unsigned char a, const unsigned char d)
+{
+	if (a < 3)
+	{
+		d65010g031->square[a].period = d & 0x3f;
+	}
+}

src/engine/platform/sound/d65010g031.h

@@ -0,0 +1,71 @@
+/*
+
+============================================================================
+
+NEC D65010G031 sound emulator
+by cam900
+
+This file is licensed under zlib license.
+
+============================================================================
+
+zlib License
+
+(C) 2023-present cam900 and contributors
+
+This software is provided 'as-is', without any express or implied
+warranty.  In no event will the authors be held liable for any damages
+arising from the use of this software.
+
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it
+freely, subject to the following restrictions:
+
+1. The origin of this software must not be misrepresented; you must not
+   claim that you wrote the original software. If you use this software
+   in a product, an acknowledgment in the product documentation would be
+   appreciated but is not required.
+2. Altered source versions must be plainly marked as such, and must not be
+   misrepresented as being the original software.
+3. This notice may not be removed or altered from any source distribution.
+
+============================================================================
+
+TODO:
+- needs hardware test
+
+*/
+
+#ifndef _D65010G031_EMU_H
+#define _D65010G031_EMU_H
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+struct d65010g031_square_t
+{
+	unsigned char period; // Period (0 = Off)
+	int counter; // clock counter
+	signed short out; // output
+};
+
+struct d65010g031_t
+{
+	struct d65010g031_square_t square[3];
+};
+
+int d65010g031_square_tick(struct d65010g031_square_t *square, const int cycle);
+
+int d65010g031_sound_tick(struct d65010g031_t *d65010g031, const int cycle);
+
+void d65010g031_reset(struct d65010g031_t *d65010g031);
+
+void d65010g031_write(struct d65010g031_t *d65010g031, const unsigned char a, const unsigned char d);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // _D65010G031_EMU_H

src/engine/song.h

@@ -125,7 +125,8 @@ enum DivSystem {
   DIV_SYSTEM_YM2610B_CSM,
   DIV_SYSTEM_YM2203_CSM,
   DIV_SYSTEM_YM2608_CSM,
-  DIV_SYSTEM_SM8521
+  DIV_SYSTEM_SM8521,
+  DIV_SYSTEM_D65010G031
 };
 
 struct DivGroovePattern {

src/engine/sysDef.cpp

@@ -1833,6 +1833,15 @@ void DivEngine::registerSystems() {
     namcoEffectHandlerMap
   );
 
+  sysDefs[DIV_SYSTEM_D65010G031]=new DivSysDef(
+    "NEC D65010G031", NULL, 0xfe/*placeholder*/, 0, 3, false, true, 0, false, 0,
+    "Used at Casio PV1000, Nothing but 3 square wave channels.",
+    {"Channel 1", "Channel 2", "Channel 3"},
+    {"CH1", "CH2", "CH3"},
+    {DIV_CH_PULSE, DIV_CH_PULSE, DIV_CH_PULSE},
+    {DIV_INS_D65010G031, DIV_INS_D65010G031, DIV_INS_D65010G031}
+  );
+
   sysDefs[DIV_SYSTEM_DUMMY]=new DivSysDef(
     "Dummy System", NULL, 0xfd, 0, 8, false, true, 0, false, 0,
     "this is a system designed for testing purposes.",

src/gui/dataList.cpp

@@ -432,6 +432,10 @@ void FurnaceGUI::drawInsList(bool asChild) {
               break;
             case DIV_INS_SM8521:
               ImGui::PushStyleColor(ImGuiCol_Text,uiColors[GUI_COLOR_INSTR_SM8521]);
+              name=fmt::sprintf(ICON_FA_GAMEPAD "##_INS%d",i);/*placeholder*/
+              break;
+            case DIV_INS_D65010G031:
+              ImGui::PushStyleColor(ImGuiCol_Text,uiColors[GUI_COLOR_INSTR_D65010G031]);
               name=fmt::sprintf(ICON_FA_GAMEPAD "##_INS%d",i);
               break;
             default:

src/gui/gui.h

@@ -190,6 +190,7 @@ enum FurnaceGUIColors {
   GUI_COLOR_INSTR_GA20,
   GUI_COLOR_INSTR_POKEMINI,
   GUI_COLOR_INSTR_SM8521,
+  GUI_COLOR_INSTR_D65010G031,
   GUI_COLOR_INSTR_UNKNOWN,
 
   GUI_COLOR_CHANNEL_BG,

src/gui/guiConst.cpp

@@ -130,6 +130,7 @@ const char* insTypes[DIV_INS_MAX+1]={
   "GA20",
   "Pokémon Mini",
   "SM8521",
+  "D65010G031",
   NULL
 };
 
@@ -820,6 +821,7 @@ const FurnaceGUIColorDef guiColors[GUI_COLOR_MAX]={
   D(GUI_COLOR_INSTR_GA20,"",ImVec4(0.1f,1.0f,0.4f,1.0f)),
   D(GUI_COLOR_INSTR_POKEMINI,"",ImVec4(1.0f,1.0f,0.3f,1.0f)),
   D(GUI_COLOR_INSTR_SM8521,"",ImVec4(0.5f,0.55f,0.6f,1.0f)),
+  D(GUI_COLOR_INSTR_D65010G031,"",ImVec4(0.5f,0.55f,0.6f,1.0f)),/*placeholder*/
   D(GUI_COLOR_INSTR_UNKNOWN,"",ImVec4(0.3f,0.3f,0.3f,1.0f)),
 
   D(GUI_COLOR_CHANNEL_BG,"",ImVec4(0.4f,0.6f,0.8f,1.0f)),
@@ -1001,6 +1003,7 @@ const int availableSystems[]={
   DIV_SYSTEM_K007232,
   DIV_SYSTEM_GA20,
   DIV_SYSTEM_SM8521,
+  DIV_SYSTEM_D65010G031,
   DIV_SYSTEM_PCM_DAC,
   DIV_SYSTEM_PONG,
   0 // don't remove this last one!
@@ -1050,6 +1053,7 @@ const int chipsSquare[]={
   DIV_SYSTEM_VIC20,
   DIV_SYSTEM_MSM5232,
   DIV_SYSTEM_T6W28,
+  DIV_SYSTEM_D65010G031,
   0 // don't remove this last one!
 };
 

src/gui/insEdit.cpp

@@ -5048,7 +5048,7 @@ void FurnaceGUI::drawInsEdit() {
           if (ins->type==DIV_INS_ES5506) {
             volMax=4095;
           }
-          if (ins->type==DIV_INS_MSM6258) {
+          if (ins->type==DIV_INS_MSM6258 || ins->type==DIV_INS_D65010G031) {
             volMax=0;
           }
           if (ins->type==DIV_INS_MSM6295) {
@@ -5118,7 +5118,7 @@ void FurnaceGUI::drawInsEdit() {
           if (ins->type==DIV_INS_TIA || ins->type==DIV_INS_AMIGA || ins->type==DIV_INS_SCC ||
               ins->type==DIV_INS_PET || ins->type==DIV_INS_VIC || ins->type==DIV_INS_SEGAPCM ||
               ins->type==DIV_INS_FM || ins->type==DIV_INS_K007232 || ins->type==DIV_INS_GA20 ||
-              ins->type==DIV_INS_SM8521) {
+              ins->type==DIV_INS_SM8521 || ins->type==DIV_INS_D65010G031) {
             dutyMax=0;
           }
           if (ins->type==DIV_INS_VBOY) {
@@ -5190,7 +5190,9 @@ void FurnaceGUI::drawInsEdit() {
           if (ins->type==DIV_INS_C64 || ins->type==DIV_INS_SAA1099) {
             waveBitMode=true;
           }
-          if (ins->type==DIV_INS_STD || ins->type==DIV_INS_VRC6_SAW || ins->type==DIV_INS_NES || ins->type==DIV_INS_T6W28) waveMax=0;
+          if (ins->type==DIV_INS_STD || ins->type==DIV_INS_VRC6_SAW || ins->type==DIV_INS_NES ||
+              ins->type==DIV_INS_T6W28 || ins->type==DIV_INS_D65010G031)
+              waveMax=0;
           if (ins->type==DIV_INS_TIA || ins->type==DIV_INS_VIC || ins->type==DIV_INS_OPLL) waveMax=15;
           if (ins->type==DIV_INS_C64) waveMax=4;
           if (ins->type==DIV_INS_SAA1099) waveMax=2;

src/gui/presets.cpp

@@ -2365,6 +2365,11 @@ void FurnaceGUI::initSystemPresets() {
       CH(DIV_SYSTEM_PONG, 1.0f, 0, "")
     }
   );
+  ENTRY(
+    "NEC D65010G031", {
+      CH(DIV_SYSTEM_D65010G031, 1.0f, 0, "")
+    }
+  );
   CATEGORY_END;
 
   CATEGORY_BEGIN("Sample","chips/systems which use PCM or ADPCM samples for sound synthesis.");

src/gui/settings.cpp

@@ -1929,6 +1929,7 @@ void FurnaceGUI::drawSettings() {
               UI_COLOR_CONFIG(GUI_COLOR_INSTR_GA20,"GA20");
               UI_COLOR_CONFIG(GUI_COLOR_INSTR_POKEMINI,"Pokémon Mini");
               UI_COLOR_CONFIG(GUI_COLOR_INSTR_SM8521,"SM8521");
+              UI_COLOR_CONFIG(GUI_COLOR_INSTR_D65010G031,"D65010G031");
               UI_COLOR_CONFIG(GUI_COLOR_INSTR_UNKNOWN,"Other/Unknown");
               ImGui::TreePop();
             }

src/gui/sysConf.cpp

@@ -1723,6 +1723,7 @@ bool FurnaceGUI::drawSysConf(int chan, DivSystem type, DivConfig& flags, bool mo
     case DIV_SYSTEM_PET:
     case DIV_SYSTEM_VBOY:
     case DIV_SYSTEM_GA20:
+    case DIV_SYSTEM_D65010G031:
       ImGui::Text("nothing to configure");
       break;
     case DIV_SYSTEM_VERA: