From e42ab1b84759e651e302714b652d95c5e2c0c750 Mon Sep 17 00:00:00 2001
From: Waldemar Pawlaszek <waldemar.pawlaszek@gmail.com>
Date: Sun, 15 Jan 2023 16:27:20 +0100
Subject: [PATCH 01/29] Experimental Mikey VGM 1.72 export.

---
 src/engine/sysDef.cpp | 2 +-
 src/engine/vgmOps.cpp | 8 ++++----
 src/gui/gui.cpp       | 2 +-
 src/gui/guiConst.cpp  | 5 +++--
 src/gui/guiConst.h    | 2 +-
 5 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/src/engine/sysDef.cpp b/src/engine/sysDef.cpp
index da899ae87..5c55ab270 100644
--- a/src/engine/sysDef.cpp
+++ b/src/engine/sysDef.cpp
@@ -1400,7 +1400,7 @@ void DivEngine::registerSystems() {
   }
 
   sysDefs[DIV_SYSTEM_LYNX]=new DivSysDef(
-    "Atari Lynx", NULL, 0xa8, 0, 4, false, true, 0, false, 1U<<DIV_SAMPLE_DEPTH_8BIT,
+    "Atari Lynx", NULL, 0xa8, 0, 4, false, true, 0x172, false, 1U<<DIV_SAMPLE_DEPTH_8BIT,
     "a portable console made by Atari. it has all of Atari's trademark waveforms.",
     {"Channel 1", "Channel 2", "Channel 3", "Channel 4"},
     {"CH1", "CH2", "CH3", "CH4"},
diff --git a/src/engine/vgmOps.cpp b/src/engine/vgmOps.cpp
index 6ac4c2c10..320415726 100644
--- a/src/engine/vgmOps.cpp
+++ b/src/engine/vgmOps.cpp
@@ -341,14 +341,14 @@ void DivEngine::performVGMWrite(SafeWriter* w, DivSystem sys, DivRegWrite& write
         }
         break;
       case DIV_SYSTEM_LYNX:
-        w->writeC(0x4e);
+        w->writeC(0x40);
         w->writeC(0x44);
         w->writeC(0xff); //stereo attenuation select
-        w->writeC(0x4e);
+        w->writeC(0x40);
         w->writeC(0x50);
         w->writeC(0x00); //stereo channel disable
         for (int i=0; i<4; i++) { //stereo attenuation value
-          w->writeC(0x4e);
+          w->writeC(0x40);
           w->writeC(0x40+i);
           w->writeC(0xff);
         }
@@ -731,7 +731,7 @@ void DivEngine::performVGMWrite(SafeWriter* w, DivSystem sys, DivRegWrite& write
       w->writeC(write.val&0xff);
       break;
     case DIV_SYSTEM_LYNX:
-      w->writeC(0x4e);
+      w->writeC(0x40);
       w->writeC(write.addr&0xff);
       w->writeC(write.val&0xff);
       break;
diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index c22a1c2b6..c0e8cd537 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -3493,7 +3493,7 @@ bool FurnaceGUI::loop() {
         if (ImGui::BeginMenu("export VGM...")) {
           ImGui::Text("settings:");
           if (ImGui::BeginCombo("format version",fmt::sprintf("%d.%.2x",vgmExportVersion>>8,vgmExportVersion&0xff).c_str())) {
-            for (int i=0; i<6; i++) {
+            for (int i=0; i<7; i++) {
               if (ImGui::Selectable(fmt::sprintf("%d.%.2x",vgmVersions[i]>>8,vgmVersions[i]&0xff).c_str(),vgmExportVersion==vgmVersions[i])) {
                 vgmExportVersion=vgmVersions[i];
               }
diff --git a/src/gui/guiConst.cpp b/src/gui/guiConst.cpp
index d19070fdd..51ac52411 100644
--- a/src/gui/guiConst.cpp
+++ b/src/gui/guiConst.cpp
@@ -70,13 +70,14 @@ const int altValues[24]={
   0, 10, 1, 11, 2, 3, 12, 4, 13, 5, 14, 6, 7, 15, 8, -1, 9, -1, -1, -1, -1, -1, -1, -1
 };
 
-const int vgmVersions[6]={
+const int vgmVersions[7]={
   0x150,
   0x151,
   0x160,
   0x161,
   0x170,
-  0x171
+  0x171,
+  0x172
 };
 
 const char* insTypes[DIV_INS_MAX+1]={
diff --git a/src/gui/guiConst.h b/src/gui/guiConst.h
index cb5eb5408..3eca6e15e 100644
--- a/src/gui/guiConst.h
+++ b/src/gui/guiConst.h
@@ -54,5 +54,5 @@ extern const int* chipCategories[];
 extern const FurnaceGUIActionDef guiActions[];
 extern const FurnaceGUIColorDef guiColors[];
 extern const int altValues[24];
-extern const int vgmVersions[6];
+extern const int vgmVersions[7];
 extern const FurnaceGUIColors fxColors[256];
\ No newline at end of file

From 75bc994ff6128269461987376b6a213c5141c260 Mon Sep 17 00:00:00 2001
From: Waldemar Pawlaszek <waldemar.pawlaszek@gmail.com>
Date: Wed, 18 Jan 2023 10:32:03 +0100
Subject: [PATCH 02/29] One more thing: declaring Lynx only for VGM 1.72 or
 higher (not sure if the way is elegant enough)

---
 src/engine/vgmOps.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/engine/vgmOps.cpp b/src/engine/vgmOps.cpp
index fc231ab64..6c0e7c208 100644
--- a/src/engine/vgmOps.cpp
+++ b/src/engine/vgmOps.cpp
@@ -1685,7 +1685,7 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop, int version, bool p
     w->writeI(hasX1);
     w->writeI(hasC352);
     w->writeI(hasGA20);
-    w->writeI(hasLynx);
+    w->writeI(version>=0x172?hasLynx:0);  //Mikey introduced in 1.72
   } else {
     w->writeI(0);
     w->writeI(0);

From cac807551f2d66fc501348c430b1899a1f0c6412 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Thu, 19 Jan 2023 03:15:41 -0500
Subject: [PATCH 03/29] OPN/2/A/B: Seamless Legato Ins Change (ExtCh)

---
 src/engine/platform/genesisext.cpp | 79 +++++++++++++++++-------------
 src/engine/platform/genesisext.h   |  1 +
 src/engine/platform/ym2203ext.cpp  | 73 +++++++++++++++------------
 src/engine/platform/ym2203ext.h    |  1 +
 src/engine/platform/ym2608ext.cpp  | 79 +++++++++++++++++-------------
 src/engine/platform/ym2608ext.h    |  1 +
 src/engine/platform/ym2610bext.cpp | 79 +++++++++++++++++-------------
 src/engine/platform/ym2610bext.h   |  1 +
 src/engine/platform/ym2610ext.cpp  | 79 +++++++++++++++++-------------
 src/engine/platform/ym2610ext.h    |  1 +
 10 files changed, 227 insertions(+), 167 deletions(-)

diff --git a/src/engine/platform/genesisext.cpp b/src/engine/platform/genesisext.cpp
index 4aa410aff..1b9c7d86c 100644
--- a/src/engine/platform/genesisext.cpp
+++ b/src/engine/platform/genesisext.cpp
@@ -26,6 +26,44 @@
 
 #define IS_REALLY_MUTED(x) (isMuted[x] && (x<5 || !softPCM || (isMuted[5] && isMuted[6])))
 
+void DivPlatformGenesisExt::commitStateExt(int ch, DivInstrument* ins) {
+  int ordch=orderedOps[ch];
+
+  if (opChan[ch].insChanged) {
+    chan[2].state.alg=ins->fm.alg;
+    if (ch==0 || fbAllOps) {
+      chan[2].state.fb=ins->fm.fb;
+    }
+    chan[2].state.fms=ins->fm.fms;
+    chan[2].state.ams=ins->fm.ams;
+    chan[2].state.op[ordch]=ins->fm.op[ordch];
+  }
+  
+  unsigned short baseAddr=chanOffs[2]|opOffs[ordch];
+  DivInstrumentFM::Operator& op=chan[2].state.op[ordch];
+  // TODO: how does this work?!
+  if (isOpMuted[ch]) {
+    rWrite(baseAddr+0x40,127);
+  } else {
+    if (opChan[ch].insChanged) {
+      rWrite(baseAddr+0x40,127-VOL_SCALE_LOG_BROKEN(127-op.tl,opChan[ch].outVol&0x7f,127));
+    }
+  }
+  if (opChan[ch].insChanged) {
+    rWrite(baseAddr+0x30,(op.mult&15)|(dtTable[op.dt&7]<<4));
+    rWrite(baseAddr+0x50,(op.ar&31)|(op.rs<<6));
+    rWrite(baseAddr+0x60,(op.dr&31)|(op.am<<7));
+    rWrite(baseAddr+0x70,op.d2r&31);
+    rWrite(baseAddr+0x80,(op.rr&15)|(op.sl<<4));
+    rWrite(baseAddr+0x90,op.ssgEnv&15);
+    opChan[ch].mask=op.enable;
+  }
+  if (opChan[ch].insChanged) { // TODO how does this work?
+    rWrite(chanOffs[2]+0xb0,(chan[2].state.alg&7)|(chan[2].state.fb<<3));
+    rWrite(chanOffs[2]+0xb4,(IS_EXTCH_MUTED?0:(opChan[ch].pan<<6))|(chan[2].state.fms&7)|((chan[2].state.ams&3)<<4));
+  }
+}
+
 int DivPlatformGenesisExt::dispatch(DivCommand c) {
   if (c.chan<2) {
     return DivPlatformGenesis::dispatch(c);
@@ -44,16 +82,6 @@ int DivPlatformGenesisExt::dispatch(DivCommand c) {
     case DIV_CMD_NOTE_ON: {
       DivInstrument* ins=parent->getIns(opChan[ch].ins,DIV_INS_FM);
 
-      if (opChan[ch].insChanged) {
-        chan[2].state.alg=ins->fm.alg;
-        if (ch==0 || fbAllOps) {
-          chan[2].state.fb=ins->fm.fb;
-        }
-        chan[2].state.fms=ins->fm.fms;
-        chan[2].state.ams=ins->fm.ams;
-        chan[2].state.op[ordch]=ins->fm.op[ordch];
-      }
-
       if (noExtMacros) {
         opChan[ch].macroInit(NULL);
       } else {
@@ -62,30 +90,8 @@ int DivPlatformGenesisExt::dispatch(DivCommand c) {
       if (!opChan[ch].std.vol.will) {
         opChan[ch].outVol=opChan[ch].vol;
       }
-      
-      unsigned short baseAddr=chanOffs[2]|opOffs[ordch];
-      DivInstrumentFM::Operator& op=chan[2].state.op[ordch];
-      // TODO: how does this work?!
-      if (isOpMuted[ch]) {
-        rWrite(baseAddr+0x40,127);
-      } else {
-        if (opChan[ch].insChanged) {
-          rWrite(baseAddr+0x40,127-VOL_SCALE_LOG_BROKEN(127-op.tl,opChan[ch].outVol&0x7f,127));
-        }
-      }
-      if (opChan[ch].insChanged) {
-        rWrite(baseAddr+0x30,(op.mult&15)|(dtTable[op.dt&7]<<4));
-        rWrite(baseAddr+0x50,(op.ar&31)|(op.rs<<6));
-        rWrite(baseAddr+0x60,(op.dr&31)|(op.am<<7));
-        rWrite(baseAddr+0x70,op.d2r&31);
-        rWrite(baseAddr+0x80,(op.rr&15)|(op.sl<<4));
-        rWrite(baseAddr+0x90,op.ssgEnv&15);
-        opChan[ch].mask=op.enable;
-      }
-      if (opChan[ch].insChanged) { // TODO how does this work?
-        rWrite(chanOffs[2]+0xb0,(chan[2].state.alg&7)|(chan[2].state.fb<<3));
-        rWrite(chanOffs[2]+0xb4,(IS_EXTCH_MUTED?0:(opChan[ch].pan<<6))|(chan[2].state.fms&7)|((chan[2].state.ams&3)<<4));
-      }
+
+      commitStateExt(ch,ins);
       opChan[ch].insChanged=false;
 
       if (c.value!=DIV_NOTE_NULL) {
@@ -202,6 +208,11 @@ int DivPlatformGenesisExt::dispatch(DivCommand c) {
       }
       break;
     case DIV_CMD_LEGATO: {
+      if (opChan[ch].insChanged) {
+        DivInstrument* ins=parent->getIns(opChan[ch].ins,DIV_INS_FM);
+        commitStateExt(ch,ins);
+        opChan[ch].insChanged=false;
+      }
       opChan[ch].baseFreq=NOTE_FNUM_BLOCK(c.value,11);
       opChan[ch].freqChanged=true;
       break;
diff --git a/src/engine/platform/genesisext.h b/src/engine/platform/genesisext.h
index 67955adcf..e04faf237 100644
--- a/src/engine/platform/genesisext.h
+++ b/src/engine/platform/genesisext.h
@@ -29,6 +29,7 @@ class DivPlatformGenesisExt: public DivPlatformGenesis {
   bool isOpMuted[4];
   friend void putDispatchChip(void*,int);
   friend void putDispatchChan(void*,int,int);
+  inline void commitStateExt(int ch, DivInstrument* ins);
   public:
     int dispatch(DivCommand c);
     void* getChanState(int chan);
diff --git a/src/engine/platform/ym2203ext.cpp b/src/engine/platform/ym2203ext.cpp
index 99d533575..87a887fc3 100644
--- a/src/engine/platform/ym2203ext.cpp
+++ b/src/engine/platform/ym2203ext.cpp
@@ -24,6 +24,41 @@
 #define CHIP_FREQBASE fmFreqBase
 #define CHIP_DIVIDER fmDivBase
 
+void DivPlatformYM2203Ext::commitStateExt(int ch, DivInstrument* ins) {
+  int ordch=orderedOps[ch];
+  
+  if (opChan[ch].insChanged) {
+    chan[2].state.alg=ins->fm.alg;
+    if (ch==0 || fbAllOps) {
+      chan[2].state.fb=ins->fm.fb;
+    }
+    chan[2].state.op[ordch]=ins->fm.op[ordch];
+  }
+  
+  unsigned short baseAddr=chanOffs[2]|opOffs[ordch];
+  DivInstrumentFM::Operator& op=chan[2].state.op[ordch];
+  // TODO: how does this work?!
+  if (isOpMuted[ch]) {
+    rWrite(baseAddr+0x40,127);
+  } else {
+    if (opChan[ch].insChanged) {
+      rWrite(baseAddr+0x40,127-VOL_SCALE_LOG_BROKEN(127-op.tl,opChan[ch].outVol&0x7f,127));
+    }
+  }
+  if (opChan[ch].insChanged) {
+    rWrite(baseAddr+0x30,(op.mult&15)|(dtTable[op.dt&7]<<4));
+    rWrite(baseAddr+0x50,(op.ar&31)|(op.rs<<6));
+    rWrite(baseAddr+0x60,(op.dr&31)|(op.am<<7));
+    rWrite(baseAddr+0x70,op.d2r&31);
+    rWrite(baseAddr+0x80,(op.rr&15)|(op.sl<<4));
+    rWrite(baseAddr+0x90,op.ssgEnv&15);
+    opChan[ch].mask=op.enable;
+  }
+  if (opChan[ch].insChanged) { // TODO how does this work?
+    rWrite(chanOffs[2]+0xb0,(chan[2].state.alg&7)|(chan[2].state.fb<<3));
+  }
+}
+
 int DivPlatformYM2203Ext::dispatch(DivCommand c) {
   if (c.chan<2) {
     return DivPlatformYM2203::dispatch(c);
@@ -42,14 +77,6 @@ int DivPlatformYM2203Ext::dispatch(DivCommand c) {
     case DIV_CMD_NOTE_ON: {
       DivInstrument* ins=parent->getIns(opChan[ch].ins,DIV_INS_FM);
 
-      if (opChan[ch].insChanged) {
-        chan[2].state.alg=ins->fm.alg;
-        if (ch==0 || fbAllOps) {
-          chan[2].state.fb=ins->fm.fb;
-        }
-        chan[2].state.op[ordch]=ins->fm.op[ordch];
-      }
-
       if (noExtMacros) {
         opChan[ch].macroInit(NULL);
       } else {
@@ -58,29 +85,8 @@ int DivPlatformYM2203Ext::dispatch(DivCommand c) {
       if (!opChan[ch].std.vol.will) {
         opChan[ch].outVol=opChan[ch].vol;
       }
-      
-      unsigned short baseAddr=chanOffs[2]|opOffs[ordch];
-      DivInstrumentFM::Operator& op=chan[2].state.op[ordch];
-      // TODO: how does this work?!
-      if (isOpMuted[ch]) {
-        rWrite(baseAddr+0x40,127);
-      } else {
-        if (opChan[ch].insChanged) {
-          rWrite(baseAddr+0x40,127-VOL_SCALE_LOG_BROKEN(127-op.tl,opChan[ch].outVol&0x7f,127));
-        }
-      }
-      if (opChan[ch].insChanged) {
-        rWrite(baseAddr+0x30,(op.mult&15)|(dtTable[op.dt&7]<<4));
-        rWrite(baseAddr+0x50,(op.ar&31)|(op.rs<<6));
-        rWrite(baseAddr+0x60,(op.dr&31)|(op.am<<7));
-        rWrite(baseAddr+0x70,op.d2r&31);
-        rWrite(baseAddr+0x80,(op.rr&15)|(op.sl<<4));
-        rWrite(baseAddr+0x90,op.ssgEnv&15);
-        opChan[ch].mask=op.enable;
-      }
-      if (opChan[ch].insChanged) { // TODO how does this work?
-        rWrite(chanOffs[2]+0xb0,(chan[2].state.alg&7)|(chan[2].state.fb<<3));
-      }
+
+      commitStateExt(ch,ins);
       opChan[ch].insChanged=false;
 
       if (c.value!=DIV_NOTE_NULL) {
@@ -166,6 +172,11 @@ int DivPlatformYM2203Ext::dispatch(DivCommand c) {
       break;
     }
     case DIV_CMD_LEGATO: {
+      if (opChan[ch].insChanged) {
+        DivInstrument* ins=parent->getIns(opChan[ch].ins,DIV_INS_FM);
+        commitStateExt(ch,ins);
+        opChan[ch].insChanged=false;
+      }
       opChan[ch].baseFreq=NOTE_FNUM_BLOCK(c.value,11);
       opChan[ch].freqChanged=true;
       break;
diff --git a/src/engine/platform/ym2203ext.h b/src/engine/platform/ym2203ext.h
index 6d8bb0baa..79d92043e 100644
--- a/src/engine/platform/ym2203ext.h
+++ b/src/engine/platform/ym2203ext.h
@@ -28,6 +28,7 @@ class DivPlatformYM2203Ext: public DivPlatformYM2203 {
   OPNOpChannel opChan[4];
   bool isOpMuted[4];
   friend void putDispatchChip(void*,int);
+  inline void commitStateExt(int ch, DivInstrument* ins);
   public:
     int dispatch(DivCommand c);
     void* getChanState(int chan);
diff --git a/src/engine/platform/ym2608ext.cpp b/src/engine/platform/ym2608ext.cpp
index e8e35cdcc..2247b7759 100644
--- a/src/engine/platform/ym2608ext.cpp
+++ b/src/engine/platform/ym2608ext.cpp
@@ -24,6 +24,44 @@
 #define CHIP_FREQBASE fmFreqBase
 #define CHIP_DIVIDER fmDivBase
 
+void DivPlatformYM2608Ext::commitStateExt(int ch, DivInstrument* ins) {
+  int ordch=orderedOps[ch];
+
+  if (opChan[ch].insChanged) {
+    chan[2].state.alg=ins->fm.alg;
+    if (ch==0 || fbAllOps) {
+      chan[2].state.fb=ins->fm.fb;
+    }
+    chan[2].state.fms=ins->fm.fms;
+    chan[2].state.ams=ins->fm.ams;
+    chan[2].state.op[ordch]=ins->fm.op[ordch];
+  }
+  
+  unsigned short baseAddr=chanOffs[2]|opOffs[ordch];
+  DivInstrumentFM::Operator& op=chan[2].state.op[ordch];
+  // TODO: how does this work?!
+  if (isOpMuted[ch]) {
+    rWrite(baseAddr+0x40,127);
+  } else {
+    if (opChan[ch].insChanged) {
+      rWrite(baseAddr+0x40,127-VOL_SCALE_LOG_BROKEN(127-op.tl,opChan[ch].outVol&0x7f,127));
+    }
+  }
+  if (opChan[ch].insChanged) {
+    rWrite(baseAddr+0x30,(op.mult&15)|(dtTable[op.dt&7]<<4));
+    rWrite(baseAddr+0x50,(op.ar&31)|(op.rs<<6));
+    rWrite(baseAddr+0x60,(op.dr&31)|(op.am<<7));
+    rWrite(baseAddr+0x70,op.d2r&31);
+    rWrite(baseAddr+0x80,(op.rr&15)|(op.sl<<4));
+    rWrite(baseAddr+0x90,op.ssgEnv&15);
+    opChan[ch].mask=op.enable;
+  }
+  if (opChan[ch].insChanged) { // TODO how does this work?
+    rWrite(chanOffs[2]+0xb0,(chan[2].state.alg&7)|(chan[2].state.fb<<3));
+    rWrite(chanOffs[2]+0xb4,(IS_EXTCH_MUTED?0:(opChan[ch].pan<<6))|(chan[2].state.fms&7)|((chan[2].state.ams&3)<<4));
+  }
+}
+
 int DivPlatformYM2608Ext::dispatch(DivCommand c) {
   if (c.chan<2) {
     return DivPlatformYM2608::dispatch(c);
@@ -42,16 +80,6 @@ int DivPlatformYM2608Ext::dispatch(DivCommand c) {
     case DIV_CMD_NOTE_ON: {
       DivInstrument* ins=parent->getIns(opChan[ch].ins,DIV_INS_FM);
 
-      if (opChan[ch].insChanged) {
-        chan[2].state.alg=ins->fm.alg;
-        if (ch==0 || fbAllOps) {
-          chan[2].state.fb=ins->fm.fb;
-        }
-        chan[2].state.fms=ins->fm.fms;
-        chan[2].state.ams=ins->fm.ams;
-        chan[2].state.op[ordch]=ins->fm.op[ordch];
-      }
-
       if (noExtMacros) {
         opChan[ch].macroInit(NULL);
       } else {
@@ -60,30 +88,8 @@ int DivPlatformYM2608Ext::dispatch(DivCommand c) {
       if (!opChan[ch].std.vol.will) {
         opChan[ch].outVol=opChan[ch].vol;
       }
-      
-      unsigned short baseAddr=chanOffs[2]|opOffs[ordch];
-      DivInstrumentFM::Operator& op=chan[2].state.op[ordch];
-      // TODO: how does this work?!
-      if (isOpMuted[ch]) {
-        rWrite(baseAddr+0x40,127);
-      } else {
-        if (opChan[ch].insChanged) {
-          rWrite(baseAddr+0x40,127-VOL_SCALE_LOG_BROKEN(127-op.tl,opChan[ch].outVol&0x7f,127));
-        }
-      }
-      if (opChan[ch].insChanged) {
-        rWrite(baseAddr+0x30,(op.mult&15)|(dtTable[op.dt&7]<<4));
-        rWrite(baseAddr+0x50,(op.ar&31)|(op.rs<<6));
-        rWrite(baseAddr+0x60,(op.dr&31)|(op.am<<7));
-        rWrite(baseAddr+0x70,op.d2r&31);
-        rWrite(baseAddr+0x80,(op.rr&15)|(op.sl<<4));
-        rWrite(baseAddr+0x90,op.ssgEnv&15);
-        opChan[ch].mask=op.enable;
-      }
-      if (opChan[ch].insChanged) { // TODO how does this work?
-        rWrite(chanOffs[2]+0xb0,(chan[2].state.alg&7)|(chan[2].state.fb<<3));
-        rWrite(chanOffs[2]+0xb4,(IS_EXTCH_MUTED?0:(opChan[ch].pan<<6))|(chan[2].state.fms&7)|((chan[2].state.ams&3)<<4));
-      }
+
+      commitStateExt(ch,ins);
       opChan[ch].insChanged=false;
 
       if (c.value!=DIV_NOTE_NULL) {
@@ -184,6 +190,11 @@ int DivPlatformYM2608Ext::dispatch(DivCommand c) {
       break;
     }
     case DIV_CMD_LEGATO: {
+      if (opChan[ch].insChanged) {
+        DivInstrument* ins=parent->getIns(opChan[ch].ins,DIV_INS_FM);
+        commitStateExt(ch,ins);
+        opChan[ch].insChanged=false;
+      }
       opChan[ch].baseFreq=NOTE_FNUM_BLOCK(c.value,11);
       opChan[ch].freqChanged=true;
       break;
diff --git a/src/engine/platform/ym2608ext.h b/src/engine/platform/ym2608ext.h
index e99518fbe..160d855c3 100644
--- a/src/engine/platform/ym2608ext.h
+++ b/src/engine/platform/ym2608ext.h
@@ -28,6 +28,7 @@ class DivPlatformYM2608Ext: public DivPlatformYM2608 {
   OPNOpChannelStereo opChan[4];
   bool isOpMuted[4];
   friend void putDispatchChip(void*,int);
+  inline void commitStateExt(int ch, DivInstrument* ins);
   public:
     int dispatch(DivCommand c);
     void* getChanState(int chan);
diff --git a/src/engine/platform/ym2610bext.cpp b/src/engine/platform/ym2610bext.cpp
index 28563b20e..8462e557f 100644
--- a/src/engine/platform/ym2610bext.cpp
+++ b/src/engine/platform/ym2610bext.cpp
@@ -20,6 +20,44 @@
 #include "ym2610bext.h"
 #include <math.h>
 
+void DivPlatformYM2610BExt::commitStateExt(int ch, DivInstrument* ins) {
+  int ordch=orderedOps[ch];
+
+  if (opChan[ch].insChanged) {
+    chan[extChanOffs].state.alg=ins->fm.alg;
+    if (ch==0 || fbAllOps) {
+      chan[extChanOffs].state.fb=ins->fm.fb;
+    }
+    chan[extChanOffs].state.fms=ins->fm.fms;
+    chan[extChanOffs].state.ams=ins->fm.ams;
+    chan[extChanOffs].state.op[ordch]=ins->fm.op[ordch];
+  }
+  
+  unsigned short baseAddr=chanOffs[extChanOffs]|opOffs[ordch];
+  DivInstrumentFM::Operator& op=chan[extChanOffs].state.op[ordch];
+  // TODO: how does this work?!
+  if (isOpMuted[ch]) {
+    rWrite(baseAddr+0x40,127);
+  } else {
+    if (opChan[ch].insChanged) {
+      rWrite(baseAddr+0x40,127-VOL_SCALE_LOG_BROKEN(127-op.tl,opChan[ch].outVol&0x7f,127));
+    }
+  }
+  if (opChan[ch].insChanged) {
+    rWrite(baseAddr+0x30,(op.mult&15)|(dtTable[op.dt&7]<<4));
+    rWrite(baseAddr+0x50,(op.ar&31)|(op.rs<<6));
+    rWrite(baseAddr+0x60,(op.dr&31)|(op.am<<7));
+    rWrite(baseAddr+0x70,op.d2r&31);
+    rWrite(baseAddr+0x80,(op.rr&15)|(op.sl<<4));
+    rWrite(baseAddr+0x90,op.ssgEnv&15);
+    opChan[ch].mask=op.enable;
+  }
+  if (opChan[ch].insChanged) { // TODO how does this work?
+    rWrite(chanOffs[extChanOffs]+0xb0,(chan[extChanOffs].state.alg&7)|(chan[extChanOffs].state.fb<<3));
+    rWrite(chanOffs[extChanOffs]+0xb4,(IS_EXTCH_MUTED?0:(opChan[ch].pan<<6))|(chan[extChanOffs].state.fms&7)|((chan[extChanOffs].state.ams&3)<<4));
+  }
+}
+
 int DivPlatformYM2610BExt::dispatch(DivCommand c) {
   if (c.chan<extChanOffs) {
     return DivPlatformYM2610B::dispatch(c);
@@ -38,16 +76,6 @@ int DivPlatformYM2610BExt::dispatch(DivCommand c) {
     case DIV_CMD_NOTE_ON: {
       DivInstrument* ins=parent->getIns(opChan[ch].ins,DIV_INS_FM);
 
-      if (opChan[ch].insChanged) {
-        chan[extChanOffs].state.alg=ins->fm.alg;
-        if (ch==0 || fbAllOps) {
-          chan[extChanOffs].state.fb=ins->fm.fb;
-        }
-        chan[extChanOffs].state.fms=ins->fm.fms;
-        chan[extChanOffs].state.ams=ins->fm.ams;
-        chan[extChanOffs].state.op[ordch]=ins->fm.op[ordch];
-      }
-
       if (noExtMacros) {
         opChan[ch].macroInit(NULL);
       } else {
@@ -56,30 +84,8 @@ int DivPlatformYM2610BExt::dispatch(DivCommand c) {
       if (!opChan[ch].std.vol.will) {
         opChan[ch].outVol=opChan[ch].vol;
       }
-      
-      unsigned short baseAddr=chanOffs[extChanOffs]|opOffs[ordch];
-      DivInstrumentFM::Operator& op=chan[extChanOffs].state.op[ordch];
-      // TODO: how does this work?!
-      if (isOpMuted[ch]) {
-        rWrite(baseAddr+0x40,127);
-      } else {
-        if (opChan[ch].insChanged) {
-          rWrite(baseAddr+0x40,127-VOL_SCALE_LOG_BROKEN(127-op.tl,opChan[ch].outVol&0x7f,127));
-        }
-      }
-      if (opChan[ch].insChanged) {
-        rWrite(baseAddr+0x30,(op.mult&15)|(dtTable[op.dt&7]<<4));
-        rWrite(baseAddr+0x50,(op.ar&31)|(op.rs<<6));
-        rWrite(baseAddr+0x60,(op.dr&31)|(op.am<<7));
-        rWrite(baseAddr+0x70,op.d2r&31);
-        rWrite(baseAddr+0x80,(op.rr&15)|(op.sl<<4));
-        rWrite(baseAddr+0x90,op.ssgEnv&15);
-        opChan[ch].mask=op.enable;
-      }
-      if (opChan[ch].insChanged) { // TODO how does this work?
-        rWrite(chanOffs[extChanOffs]+0xb0,(chan[extChanOffs].state.alg&7)|(chan[extChanOffs].state.fb<<3));
-        rWrite(chanOffs[extChanOffs]+0xb4,(IS_EXTCH_MUTED?0:(opChan[ch].pan<<6))|(chan[extChanOffs].state.fms&7)|((chan[extChanOffs].state.ams&3)<<4));
-      }
+
+      commitStateExt(ch,ins);
       opChan[ch].insChanged=false;
 
       if (c.value!=DIV_NOTE_NULL) {
@@ -180,6 +186,11 @@ int DivPlatformYM2610BExt::dispatch(DivCommand c) {
       break;
     }
     case DIV_CMD_LEGATO: {
+      if (opChan[ch].insChanged) {
+        DivInstrument* ins=parent->getIns(opChan[ch].ins,DIV_INS_FM);
+        commitStateExt(ch,ins);
+        opChan[ch].insChanged=false;
+      }
       opChan[ch].baseFreq=NOTE_FNUM_BLOCK(c.value,11);
       opChan[ch].freqChanged=true;
       break;
diff --git a/src/engine/platform/ym2610bext.h b/src/engine/platform/ym2610bext.h
index 50bd5badf..fcec3bd77 100644
--- a/src/engine/platform/ym2610bext.h
+++ b/src/engine/platform/ym2610bext.h
@@ -28,6 +28,7 @@ class DivPlatformYM2610BExt: public DivPlatformYM2610B {
   OPNOpChannelStereo opChan[4];
   bool isOpMuted[4];
   friend void putDispatchChip(void*,int);
+  inline void commitStateExt(int ch, DivInstrument* ins);
   public:
     int dispatch(DivCommand c);
     void* getChanState(int chan);
diff --git a/src/engine/platform/ym2610ext.cpp b/src/engine/platform/ym2610ext.cpp
index 03442dc5b..dcf5b0997 100644
--- a/src/engine/platform/ym2610ext.cpp
+++ b/src/engine/platform/ym2610ext.cpp
@@ -20,6 +20,44 @@
 #include "ym2610ext.h"
 #include <math.h>
 
+void DivPlatformYM2610Ext::commitStateExt(int ch, DivInstrument* ins) {
+  int ordch=orderedOps[ch];
+
+  if (opChan[ch].insChanged) {
+    chan[extChanOffs].state.alg=ins->fm.alg;
+    if (ch==0 || fbAllOps) {
+      chan[extChanOffs].state.fb=ins->fm.fb;
+    }
+    chan[extChanOffs].state.fms=ins->fm.fms;
+    chan[extChanOffs].state.ams=ins->fm.ams;
+    chan[extChanOffs].state.op[ordch]=ins->fm.op[ordch];
+  }
+  
+  unsigned short baseAddr=chanOffs[extChanOffs]|opOffs[ordch];
+  DivInstrumentFM::Operator& op=chan[extChanOffs].state.op[ordch];
+  // TODO: how does this work?!
+  if (isOpMuted[ch]) {
+    rWrite(baseAddr+0x40,127);
+  } else {
+    if (opChan[ch].insChanged) {
+      rWrite(baseAddr+0x40,127-VOL_SCALE_LOG_BROKEN(127-op.tl,opChan[ch].outVol&0x7f,127));
+    }
+  }
+  if (opChan[ch].insChanged) {
+    rWrite(baseAddr+0x30,(op.mult&15)|(dtTable[op.dt&7]<<4));
+    rWrite(baseAddr+0x50,(op.ar&31)|(op.rs<<6));
+    rWrite(baseAddr+0x60,(op.dr&31)|(op.am<<7));
+    rWrite(baseAddr+0x70,op.d2r&31);
+    rWrite(baseAddr+0x80,(op.rr&15)|(op.sl<<4));
+    rWrite(baseAddr+0x90,op.ssgEnv&15);
+    opChan[ch].mask=op.enable;
+  }
+  if (opChan[ch].insChanged) { // TODO how does this work?
+    rWrite(chanOffs[extChanOffs]+0xb0,(chan[extChanOffs].state.alg&7)|(chan[extChanOffs].state.fb<<3));
+    rWrite(chanOffs[extChanOffs]+0xb4,(IS_EXTCH_MUTED?0:(opChan[ch].pan<<6))|(chan[extChanOffs].state.fms&7)|((chan[extChanOffs].state.ams&3)<<4));
+  }
+}
+
 int DivPlatformYM2610Ext::dispatch(DivCommand c) {
   if (c.chan<extChanOffs) {
     return DivPlatformYM2610::dispatch(c);
@@ -38,16 +76,6 @@ int DivPlatformYM2610Ext::dispatch(DivCommand c) {
     case DIV_CMD_NOTE_ON: {
       DivInstrument* ins=parent->getIns(opChan[ch].ins,DIV_INS_FM);
 
-      if (opChan[ch].insChanged) {
-        chan[extChanOffs].state.alg=ins->fm.alg;
-        if (ch==0 || fbAllOps) {
-          chan[extChanOffs].state.fb=ins->fm.fb;
-        }
-        chan[extChanOffs].state.fms=ins->fm.fms;
-        chan[extChanOffs].state.ams=ins->fm.ams;
-        chan[extChanOffs].state.op[ordch]=ins->fm.op[ordch];
-      }
-
       if (noExtMacros) {
         opChan[ch].macroInit(NULL);
       } else {
@@ -56,30 +84,8 @@ int DivPlatformYM2610Ext::dispatch(DivCommand c) {
       if (!opChan[ch].std.vol.will) {
         opChan[ch].outVol=opChan[ch].vol;
       }
-      
-      unsigned short baseAddr=chanOffs[extChanOffs]|opOffs[ordch];
-      DivInstrumentFM::Operator& op=chan[extChanOffs].state.op[ordch];
-      // TODO: how does this work?!
-      if (isOpMuted[ch]) {
-        rWrite(baseAddr+0x40,127);
-      } else {
-        if (opChan[ch].insChanged) {
-          rWrite(baseAddr+0x40,127-VOL_SCALE_LOG_BROKEN(127-op.tl,opChan[ch].outVol&0x7f,127));
-        }
-      }
-      if (opChan[ch].insChanged) {
-        rWrite(baseAddr+0x30,(op.mult&15)|(dtTable[op.dt&7]<<4));
-        rWrite(baseAddr+0x50,(op.ar&31)|(op.rs<<6));
-        rWrite(baseAddr+0x60,(op.dr&31)|(op.am<<7));
-        rWrite(baseAddr+0x70,op.d2r&31);
-        rWrite(baseAddr+0x80,(op.rr&15)|(op.sl<<4));
-        rWrite(baseAddr+0x90,op.ssgEnv&15);
-        opChan[ch].mask=op.enable;
-      }
-      if (opChan[ch].insChanged) { // TODO how does this work?
-        rWrite(chanOffs[extChanOffs]+0xb0,(chan[extChanOffs].state.alg&7)|(chan[extChanOffs].state.fb<<3));
-        rWrite(chanOffs[extChanOffs]+0xb4,(IS_EXTCH_MUTED?0:(opChan[ch].pan<<6))|(chan[extChanOffs].state.fms&7)|((chan[extChanOffs].state.ams&3)<<4));
-      }
+
+      commitStateExt(ch,ins);
       opChan[ch].insChanged=false;
 
       if (c.value!=DIV_NOTE_NULL) {
@@ -180,6 +186,11 @@ int DivPlatformYM2610Ext::dispatch(DivCommand c) {
       break;
     }
     case DIV_CMD_LEGATO: {
+      if (opChan[ch].insChanged) {
+        DivInstrument* ins=parent->getIns(opChan[ch].ins,DIV_INS_FM);
+        commitStateExt(ch,ins);
+        opChan[ch].insChanged=false;
+      }
       opChan[ch].baseFreq=NOTE_FNUM_BLOCK(c.value,11);
       opChan[ch].freqChanged=true;
       break;
diff --git a/src/engine/platform/ym2610ext.h b/src/engine/platform/ym2610ext.h
index e41033384..0cf0bf112 100644
--- a/src/engine/platform/ym2610ext.h
+++ b/src/engine/platform/ym2610ext.h
@@ -28,6 +28,7 @@ class DivPlatformYM2610Ext: public DivPlatformYM2610 {
   OPNOpChannelStereo opChan[4];
   bool isOpMuted[4];
   friend void putDispatchChip(void*,int);
+  inline void commitStateExt(int ch, DivInstrument* ins);
   public:
     int dispatch(DivCommand c);
     void* getChanState(int chan);

From 503e822a33f145ecf87732e96dcf139b9168b986 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Thu, 19 Jan 2023 03:38:29 -0500
Subject: [PATCH 04/29] PCE: better noise frequency handling

---
 src/engine/platform/pce.cpp | 24 +++++++++++++-----------
 src/engine/platform/pce.h   |  5 +++--
 2 files changed, 16 insertions(+), 13 deletions(-)

diff --git a/src/engine/platform/pce.cpp b/src/engine/platform/pce.cpp
index 3efbd7c8c..4b29c336c 100644
--- a/src/engine/platform/pce.cpp
+++ b/src/engine/platform/pce.cpp
@@ -163,21 +163,15 @@ void DivPlatformPCE::tick(bool sysTick) {
     if (chan[i].std.duty.had && i>=4) {
       chan[i].noise=chan[i].std.duty.val;
       chan[i].freqChanged=true;
-      int noiseSeek=chan[i].note;
-      if (noiseSeek<0) noiseSeek=0;
-      chWrite(i,0x07,chan[i].noise?(0x80|(parent->song.properNoiseLayout?(noiseSeek&31):noiseFreq[noiseSeek%12])):0);
     }
     if (NEW_ARP_STRAT) {
       chan[i].handleArp();
-      int noiseSeek=chan[i].fixedArp?chan[i].baseNoteOverride:(chan[i].note+chan[i].arpOff);
-      if (noiseSeek<0) noiseSeek=0;
-      chWrite(i,0x07,chan[i].noise?(0x80|(parent->song.properNoiseLayout?(noiseSeek&31):noiseFreq[noiseSeek%12])):0);
     } else if (chan[i].std.arp.had) {
       if (!chan[i].inPorta) {
         int noiseSeek=parent->calcArp(chan[i].note,chan[i].std.arp.val);
         chan[i].baseFreq=NOTE_PERIODIC(noiseSeek);
         if (noiseSeek<0) noiseSeek=0;
-        chWrite(i,0x07,chan[i].noise?(0x80|(parent->song.properNoiseLayout?(noiseSeek&31):noiseFreq[noiseSeek%12])):0);
+        chan[i].noiseSeek=noiseSeek;
       }
       chan[i].freqChanged=true;
     }
@@ -246,6 +240,15 @@ void DivPlatformPCE::tick(bool sysTick) {
       if (chan[i].freq>4095) chan[i].freq=4095;
       chWrite(i,0x02,chan[i].freq&0xff);
       chWrite(i,0x03,chan[i].freq>>8);
+
+      if (i>=4) {
+        int noiseSeek=(chan[i].fixedArp?chan[i].baseNoteOverride:(chan[i].note+chan[i].arpOff))+chan[i].pitch2;
+        if (!parent->song.properNoiseLayout && noiseSeek<0) noiseSeek=0;
+        if (!NEW_ARP_STRAT) {
+          noiseSeek=chan[i].noiseSeek;
+        }
+        chWrite(i,0x07,chan[i].noise?(0x80|(parent->song.properNoiseLayout?(noiseSeek&31):noiseFreq[noiseSeek%12])):0);
+      }
       if (chan[i].keyOn) {
         //rWrite(16+i*5,0x80);
         //chWrite(i,0x04,0x80|chan[i].vol);
@@ -331,9 +334,8 @@ int DivPlatformPCE::dispatch(DivCommand c) {
         chan[c.chan].baseFreq=NOTE_PERIODIC(c.value);
         chan[c.chan].freqChanged=true;
         chan[c.chan].note=c.value;
-        int noiseSeek=chan[c.chan].note;
-        if (noiseSeek<0) noiseSeek=0;
-        chWrite(c.chan,0x07,chan[c.chan].noise?(0x80|(parent->song.properNoiseLayout?(noiseSeek&31):noiseFreq[noiseSeek%12])):0);
+        chan[c.chan].noiseSeek=c.value;
+        if (chan[c.chan].noiseSeek<0) chan[c.chan].noiseSeek=0;
       }
       chan[c.chan].active=true;
       chan[c.chan].keyOn=true;
@@ -431,7 +433,7 @@ int DivPlatformPCE::dispatch(DivCommand c) {
     }
     case DIV_CMD_STD_NOISE_MODE:
       chan[c.chan].noise=c.value;
-      chWrite(c.chan,0x07,chan[c.chan].noise?(0x80|chan[c.chan].note):0);
+      chan[c.chan].freqChanged=true;
       break;
     case DIV_CMD_SAMPLE_MODE:
       chan[c.chan].pcm=c.value;
diff --git a/src/engine/platform/pce.h b/src/engine/platform/pce.h
index 6493840c1..a687de1bf 100644
--- a/src/engine/platform/pce.h
+++ b/src/engine/platform/pce.h
@@ -34,7 +34,7 @@ class DivPlatformPCE: public DivDispatch {
     unsigned char pan;
     bool noise, pcm, furnaceDac, deferredWaveUpdate;
     signed short wave;
-    int macroVolMul;
+    int macroVolMul, noiseSeek;
     DivWaveSynth ws;
     Channel():
       SharedChannel<signed char>(31),
@@ -51,7 +51,8 @@ class DivPlatformPCE: public DivDispatch {
       furnaceDac(false),
       deferredWaveUpdate(false),
       wave(-1),
-      macroVolMul(31) {}
+      macroVolMul(31),
+      noiseSeek(0) {}
   };
   Channel chan[6];
   DivDispatchOscBuffer* oscBuf[6];

From 231b5c3694fb44b1db2e62d5f6e6a02e5edfa2c2 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Thu, 19 Jan 2023 03:57:29 -0500
Subject: [PATCH 05/29] WonderSwan: make phase reset work

---
 src/engine/platform/swan.cpp | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/src/engine/platform/swan.cpp b/src/engine/platform/swan.cpp
index 001d2957a..f99be75e3 100644
--- a/src/engine/platform/swan.cpp
+++ b/src/engine/platform/swan.cpp
@@ -217,6 +217,26 @@ void DivPlatformSwan::tick(bool sysTick) {
       }
     }
   }
+  if (chan[3].std.phaseReset.had) {
+    if (noise>0) {
+      rWrite(0x0e,((noise-1)&0x07)|0x18);
+      sndCtrl|=0x80;
+    } else {
+      sndCtrl&=~0x80;
+    }
+  }
+  unsigned char origSndCtrl=sndCtrl;
+  bool phaseResetHappens=false;
+  for (int i=0; i<4; i++) {
+    if (chan[i].std.phaseReset.had) {
+      phaseResetHappens=true;
+      sndCtrl&=~(1<<i);
+    }
+  }
+  if (phaseResetHappens) {
+    rWrite(0x10,sndCtrl);
+    sndCtrl=origSndCtrl;
+  }
   rWrite(0x10,sndCtrl);
 
   while (!postDACWrites.empty()) {

From 48a1e6a9769be9f27610e8f1d01bacca824c8244 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Thu, 19 Jan 2023 14:36:15 -0500
Subject: [PATCH 06/29] YM2612: new experimental hard reset strategy

---
 src/engine/platform/fmsharedbase.h |  2 ++
 src/engine/platform/genesis.cpp    | 46 ++++++++++++++++++++----------
 2 files changed, 33 insertions(+), 15 deletions(-)

diff --git a/src/engine/platform/fmsharedbase.h b/src/engine/platform/fmsharedbase.h
index f64c723ac..90548aab9 100644
--- a/src/engine/platform/fmsharedbase.h
+++ b/src/engine/platform/fmsharedbase.h
@@ -83,6 +83,7 @@ class DivPlatformFMBase: public DivDispatch {
 
     unsigned char lastBusy;
     int delay;
+    unsigned int hardResetCycles;
     bool flushFirst;
 
     unsigned char regPool[512];
@@ -123,6 +124,7 @@ class DivPlatformFMBase: public DivDispatch {
       DivDispatch(),
       lastBusy(0),
       delay(0),
+      hardResetCycles(0),
       flushFirst(false) {}
 };
 
diff --git a/src/engine/platform/genesis.cpp b/src/engine/platform/genesis.cpp
index 5cbed89ed..1a9573cce 100644
--- a/src/engine/platform/genesis.cpp
+++ b/src/engine/platform/genesis.cpp
@@ -472,26 +472,20 @@ void DivPlatformGenesis::tick(bool sysTick) {
     }
   }
 
+  int hardResetElapsed=0;
+  bool mustHardReset=false;
+
   for (int i=0; i<6; i++) {
     if (i==2 && extMode) continue;
     if (chan[i].keyOn || chan[i].keyOff) {
-      if (chan[i].hardReset && chan[i].keyOn) {
-        for (int j=0; j<4; j++) {
-          unsigned short baseAddr=chanOffs[i]|opOffs[j];
-          immWrite(baseAddr+ADDR_SL_RR,0x0f);
-          immWrite(baseAddr+ADDR_TL,0x7f);
-          oldWrites[baseAddr+ADDR_SL_RR]=-1;
-          oldWrites[baseAddr+ADDR_TL]=-1;
-          //rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
-        }
-      }
       immWrite(0x28,0x00|konOffs[i]);
       if (chan[i].hardReset && chan[i].keyOn) {
+        mustHardReset=true;
         for (int j=0; j<4; j++) {
           unsigned short baseAddr=chanOffs[i]|opOffs[j];
-          for (int k=0; k<5; k++) {
-            immWrite(baseAddr+ADDR_SL_RR,0x0f);
-          }
+          oldWrites[baseAddr+ADDR_SL_RR]=-1;
+          immWrite(baseAddr+ADDR_SL_RR,0x0f);
+          hardResetElapsed++;
         }
       }
       chan[i].keyOff=false;
@@ -520,6 +514,7 @@ void DivPlatformGenesis::tick(bool sysTick) {
       if (i<6) {
         immWrite(chanOffs[i]+ADDR_FREQH,chan[i].freq>>8);
         immWrite(chanOffs[i]+ADDR_FREQ,chan[i].freq&0xff);
+         hardResetElapsed+=2;
       }
       if (chan[i].furnaceDac && chan[i].dacMode) {
         double off=1.0;
@@ -538,12 +533,31 @@ void DivPlatformGenesis::tick(bool sysTick) {
       }
       chan[i].freqChanged=false;
     }
-    if (chan[i].keyOn || chan[i].opMaskChanged) {
-      if (i<6) immWrite(0x28,(chan[i].opMask<<4)|konOffs[i]);
+    if ((chan[i].keyOn || chan[i].opMaskChanged) && !chan[i].hardReset) {
+      if (i<6) {
+        immWrite(0x28,(chan[i].opMask<<4)|konOffs[i]);
+        hardResetElapsed++;
+      }
       chan[i].opMaskChanged=false;
       chan[i].keyOn=false;
     }
   }
+
+  // hard reset handling
+  if (mustHardReset) {
+    for (unsigned int i=hardResetElapsed; i<hardResetCycles; i++) {
+      immWrite(0xf0,i&0xff);
+    }
+    for (int i=0; i<csmChan; i++) {
+      if ((chan[i].keyOn || chan[i].opMaskChanged) && chan[i].hardReset) {
+        if (i<6) {
+          immWrite(0x28,(chan[i].opMask<<4)|konOffs[i]);
+        }
+        chan[i].opMaskChanged=false;
+        chan[i].keyOn=false;
+      }
+    }
+  }
 }
 
 void DivPlatformGenesis::muteChannel(int ch, bool mute) {
@@ -1306,6 +1320,8 @@ void DivPlatformGenesis::setFlags(const DivConfig& flags) {
   } else {
     rate=chipClock/36;
   }
+  // 2ms
+  hardResetCycles=(chipClock/144)/500;
   for (int i=0; i<10; i++) {
     oscBuf[i]->rate=rate;
   }

From b33ea8f0ac8bf5ed4070d6a9cff57fe9744be562 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Thu, 19 Jan 2023 18:22:48 -0500
Subject: [PATCH 07/29] apply new hard reset strategy on all OPN chips

---
 src/engine/platform/fmsharedbase.h |  4 +-
 src/engine/platform/genesis.cpp    |  3 +-
 src/engine/platform/ym2203.cpp     | 62 ++++++++++++++----------
 src/engine/platform/ym2608.cpp     | 76 ++++++++++++++++++++----------
 src/engine/platform/ym2610.cpp     | 72 ++++++++++++++++++----------
 src/engine/platform/ym2610b.cpp    | 70 ++++++++++++++++++---------
 6 files changed, 187 insertions(+), 100 deletions(-)

diff --git a/src/engine/platform/fmsharedbase.h b/src/engine/platform/fmsharedbase.h
index 90548aab9..9e89ddc2f 100644
--- a/src/engine/platform/fmsharedbase.h
+++ b/src/engine/platform/fmsharedbase.h
@@ -47,6 +47,8 @@ class DivPlatformFMBase: public DivDispatch {
       0,2,1,3
     };
 
+    const unsigned int hardResetCycles=127;
+
     struct FMChannel: public SharedChannel<int> {
       DivInstrumentFM state;
       unsigned char freqH, freqL;
@@ -83,7 +85,6 @@ class DivPlatformFMBase: public DivDispatch {
 
     unsigned char lastBusy;
     int delay;
-    unsigned int hardResetCycles;
     bool flushFirst;
 
     unsigned char regPool[512];
@@ -124,7 +125,6 @@ class DivPlatformFMBase: public DivDispatch {
       DivDispatch(),
       lastBusy(0),
       delay(0),
-      hardResetCycles(0),
       flushFirst(false) {}
 };
 
diff --git a/src/engine/platform/genesis.cpp b/src/engine/platform/genesis.cpp
index 1a9573cce..a73e42c9b 100644
--- a/src/engine/platform/genesis.cpp
+++ b/src/engine/platform/genesis.cpp
@@ -549,6 +549,7 @@ void DivPlatformGenesis::tick(bool sysTick) {
       immWrite(0xf0,i&0xff);
     }
     for (int i=0; i<csmChan; i++) {
+      if (i==2 && extMode) continue;
       if ((chan[i].keyOn || chan[i].opMaskChanged) && chan[i].hardReset) {
         if (i<6) {
           immWrite(0x28,(chan[i].opMask<<4)|konOffs[i]);
@@ -1320,8 +1321,6 @@ void DivPlatformGenesis::setFlags(const DivConfig& flags) {
   } else {
     rate=chipClock/36;
   }
-  // 2ms
-  hardResetCycles=(chipClock/144)/500;
   for (int i=0; i<10; i++) {
     oscBuf[i]->rate=rate;
   }
diff --git a/src/engine/platform/ym2203.cpp b/src/engine/platform/ym2203.cpp
index c2a547d8c..e161ac04e 100644
--- a/src/engine/platform/ym2203.cpp
+++ b/src/engine/platform/ym2203.cpp
@@ -411,29 +411,6 @@ void DivPlatformYM2203::tick(bool sysTick) {
         rWrite(baseAddr+ADDR_SSG,op.ssgEnv&15);
       }
     }
-
-    if (chan[i].keyOn || chan[i].keyOff) {
-      if (chan[i].hardReset && chan[i].keyOn) {
-        for (int j=0; j<4; j++) {
-          unsigned short baseAddr=chanOffs[i]|opOffs[j];
-          immWrite(baseAddr+ADDR_SL_RR,0x0f);
-          immWrite(baseAddr+ADDR_TL,0x7f);
-          oldWrites[baseAddr+ADDR_SL_RR]=-1;
-          oldWrites[baseAddr+ADDR_TL]=-1;
-          //rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
-        }
-      }
-      immWrite(0x28,0x00|konOffs[i]);
-      if (chan[i].hardReset && chan[i].keyOn) {
-        for (int j=0; j<4; j++) {
-          unsigned short baseAddr=chanOffs[i]|opOffs[j];
-          for (int k=0; k<100; k++) {
-            immWrite(baseAddr+ADDR_SL_RR,0x0f);
-          }
-        }
-      }
-      chan[i].keyOff=false;
-    }
   }
 
   for (int i=16; i<256; i++) {
@@ -443,6 +420,26 @@ void DivPlatformYM2203::tick(bool sysTick) {
     }
   }
 
+  int hardResetElapsed=0;
+  bool mustHardReset=false;
+
+  for (int i=0; i<3; i++) {
+    if (i==2 && extMode) continue;
+    if (chan[i].keyOn || chan[i].keyOff) {
+      immWrite(0x28,0x00|konOffs[i]);
+      if (chan[i].hardReset && chan[i].keyOn) {
+        mustHardReset=true;
+        for (int j=0; j<4; j++) {
+          unsigned short baseAddr=chanOffs[i]|opOffs[j];
+          oldWrites[baseAddr+ADDR_SL_RR]=-1;
+          immWrite(baseAddr+ADDR_SL_RR,0x0f);
+          hardResetElapsed++;
+        }
+      }
+      chan[i].keyOff=false;
+    }
+  }
+
   for (int i=0; i<3; i++) {
     if (i==2 && extMode) continue;
     if (chan[i].freqChanged) {
@@ -464,14 +461,31 @@ void DivPlatformYM2203::tick(bool sysTick) {
       if (chan[i].freq>0x3fff) chan[i].freq=0x3fff;
       immWrite(chanOffs[i]+ADDR_FREQH,chan[i].freq>>8);
       immWrite(chanOffs[i]+ADDR_FREQ,chan[i].freq&0xff);
+      hardResetElapsed+=2;
       chan[i].freqChanged=false;
     }
-    if (chan[i].keyOn || chan[i].opMaskChanged) {
+    if ((chan[i].keyOn || chan[i].opMaskChanged) && !chan[i].hardReset) {
       immWrite(0x28,(chan[i].opMask<<4)|konOffs[i]);
+      hardResetElapsed++;
       chan[i].opMaskChanged=false;
       chan[i].keyOn=false;
     }
   }
+
+  // hard reset handling
+  if (mustHardReset) {
+    for (unsigned int i=hardResetElapsed; i<hardResetCycles; i++) {
+      immWrite(0xf0,i&0xff);
+    }
+    for (int i=0; i<3; i++) {
+      if (i==2 && extMode) continue;
+      if ((chan[i].keyOn || chan[i].opMaskChanged) && chan[i].hardReset) {
+        immWrite(0x28,(chan[i].opMask<<4)|konOffs[i]);
+        chan[i].opMaskChanged=false;
+        chan[i].keyOn=false;
+      }
+    }
+  }
 }
 
 void DivPlatformYM2203::commitState(int ch, DivInstrument* ins) {
diff --git a/src/engine/platform/ym2608.cpp b/src/engine/platform/ym2608.cpp
index 063b3870b..8b8a15ca3 100644
--- a/src/engine/platform/ym2608.cpp
+++ b/src/engine/platform/ym2608.cpp
@@ -606,29 +606,6 @@ void DivPlatformYM2608::tick(bool sysTick) {
         rWrite(baseAddr+ADDR_SSG,op.ssgEnv&15);
       }
     }
-
-    if (chan[i].keyOn || chan[i].keyOff) {
-      if (chan[i].hardReset && chan[i].keyOn) {
-        for (int j=0; j<4; j++) {
-          unsigned short baseAddr=chanOffs[i]|opOffs[j];
-          immWrite(baseAddr+ADDR_SL_RR,0x0f);
-          immWrite(baseAddr+ADDR_TL,0x7f);
-          oldWrites[baseAddr+ADDR_SL_RR]=-1;
-          oldWrites[baseAddr+ADDR_TL]=-1;
-          //rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
-        }
-      }
-      immWrite(0x28,0x00|konOffs[i]);
-      if (chan[i].hardReset && chan[i].keyOn) {
-        for (int j=0; j<4; j++) {
-          unsigned short baseAddr=chanOffs[i]|opOffs[j];
-          for (int k=0; k<100; k++) {
-            immWrite(baseAddr+ADDR_SL_RR,0x0f);
-          }
-        }
-      }
-      chan[i].keyOff=false;
-    }
   }
 
   for (int i=16; i<512; i++) {
@@ -638,6 +615,26 @@ void DivPlatformYM2608::tick(bool sysTick) {
     }
   }
 
+  int hardResetElapsed=0;
+  bool mustHardReset=false;
+
+  for (int i=0; i<6; i++) {
+    if (i==2 && extMode) continue;
+    if (chan[i].keyOn || chan[i].keyOff) {
+      immWrite(0x28,0x00|konOffs[i]);
+      if (chan[i].hardReset && chan[i].keyOn) {
+        mustHardReset=true;
+        for (int j=0; j<4; j++) {
+          unsigned short baseAddr=chanOffs[i]|opOffs[j];
+          oldWrites[baseAddr+ADDR_SL_RR]=-1;
+          immWrite(baseAddr+ADDR_SL_RR,0x0f);
+          hardResetElapsed++;
+        }
+      }
+      chan[i].keyOff=false;
+    }
+  }
+
   for (int i=0; i<6; i++) {
     if (i==2 && extMode) continue;
     if (chan[i].freqChanged) {
@@ -659,10 +656,12 @@ void DivPlatformYM2608::tick(bool sysTick) {
       if (chan[i].freq>0x3fff) chan[i].freq=0x3fff;
       immWrite(chanOffs[i]+ADDR_FREQH,chan[i].freq>>8);
       immWrite(chanOffs[i]+ADDR_FREQ,chan[i].freq&0xff);
+      hardResetElapsed+=2;
       chan[i].freqChanged=false;
     }
-    if (chan[i].keyOn || chan[i].opMaskChanged) {
+    if ((chan[i].keyOn || chan[i].opMaskChanged) && !chan[i].hardReset) {
       immWrite(0x28,(chan[i].opMask<<4)|konOffs[i]);
+      hardResetElapsed++;
       chan[i].opMaskChanged=false;
       chan[i].keyOn=false;
     }
@@ -679,6 +678,7 @@ void DivPlatformYM2608::tick(bool sysTick) {
         if (globalRSSVolume!=(chan[i].std.duty.val&0x3f)) {
           globalRSSVolume=chan[i].std.duty.val&0x3f;
           immWrite(0x11,globalRSSVolume);
+          hardResetElapsed++;
         }
       }
       if (chan[i].std.panL.had) {
@@ -691,6 +691,7 @@ void DivPlatformYM2608::tick(bool sysTick) {
       }
       if (!isMuted[i] && (chan[i].std.vol.had || chan[i].std.panL.had)) {
         immWrite(0x18+(i-9),isMuted[i]?0:((chan[i].pan<<6)|chan[i].outVol));
+        hardResetElapsed++;
       }
     }
     if (chan[i].keyOff) {
@@ -709,6 +710,7 @@ void DivPlatformYM2608::tick(bool sysTick) {
     if (chan[15].std.vol.had) {
       chan[15].outVol=(chan[15].vol*MIN(chan[15].macroVolMul,chan[15].std.vol.val))/chan[15].macroVolMul;
       immWrite(0x10b,chan[15].outVol);
+      hardResetElapsed++;
     }
 
     if (NEW_ARP_STRAT) {
@@ -735,6 +737,7 @@ void DivPlatformYM2608::tick(bool sysTick) {
         chan[15].pan=chan[15].std.panL.val&3;
         if (!isMuted[15]) {
           immWrite(0x101,(isMuted[15]?0:(chan[15].pan<<6))|2);
+          hardResetElapsed++;
         }
       }
     }
@@ -755,12 +758,17 @@ void DivPlatformYM2608::tick(bool sysTick) {
     }
     immWrite(0x109,chan[15].freq&0xff);
     immWrite(0x10a,(chan[15].freq>>8)&0xff);
+    hardResetElapsed+=2;
     if (chan[15].keyOn || chan[15].keyOff) {
-      if (chan[15].keyOff) immWrite(0x100,0x01); // reset
+      if (chan[15].keyOff) {
+        immWrite(0x100,0x01); // reset
+        hardResetElapsed++;
+      }
       if (chan[15].active && chan[15].keyOn && !chan[15].keyOff) {
         if (chan[15].sample>=0 && chan[15].sample<parent->song.sampleLen) {
           DivSample* s=parent->getSample(chan[15].sample);
           immWrite(0x100,(s->isLoopable())?0xb0:0xa0); // start/repeat
+          hardResetElapsed++;
         }
       }
       chan[15].keyOn=false;
@@ -771,11 +779,13 @@ void DivPlatformYM2608::tick(bool sysTick) {
 
   if (writeRSSOff) {
     immWrite(0x10,0x80|writeRSSOff);
+    hardResetElapsed++;
     writeRSSOff=0;
   }
 
   if (writeRSSOn) {
     immWrite(0x10,writeRSSOn);
+    hardResetElapsed++;
     writeRSSOn=0;
   }
 
@@ -785,8 +795,24 @@ void DivPlatformYM2608::tick(bool sysTick) {
   for (DivRegWrite& i: ay->getRegisterWrites()) {
     if (i.addr>15) continue;
     immWrite(i.addr&15,i.val);
+    hardResetElapsed++;
   }
   ay->getRegisterWrites().clear();
+
+  // hard reset handling
+  if (mustHardReset) {
+    for (unsigned int i=hardResetElapsed; i<hardResetCycles; i++) {
+      immWrite(0xf0,i&0xff);
+    }
+    for (int i=0; i<6; i++) {
+      if (i==2 && extMode) continue;
+      if ((chan[i].keyOn || chan[i].opMaskChanged) && chan[i].hardReset) {
+        immWrite(0x28,(chan[i].opMask<<4)|konOffs[i]);
+        chan[i].opMaskChanged=false;
+        chan[i].keyOn=false;
+      }
+    }
+  }
 }
 
 void DivPlatformYM2608::commitState(int ch, DivInstrument* ins) {
diff --git a/src/engine/platform/ym2610.cpp b/src/engine/platform/ym2610.cpp
index ba1c9440c..c0f4a3fdc 100644
--- a/src/engine/platform/ym2610.cpp
+++ b/src/engine/platform/ym2610.cpp
@@ -539,29 +539,6 @@ void DivPlatformYM2610::tick(bool sysTick) {
         rWrite(baseAddr+ADDR_SSG,op.ssgEnv&15);
       }
     }
-
-    if (chan[i].keyOn || chan[i].keyOff) {
-      if (chan[i].hardReset && chan[i].keyOn) {
-        for (int j=0; j<4; j++) {
-          unsigned short baseAddr=chanOffs[i]|opOffs[j];
-          immWrite(baseAddr+ADDR_SL_RR,0x0f);
-          immWrite(baseAddr+ADDR_TL,0x7f);
-          oldWrites[baseAddr+ADDR_SL_RR]=-1;
-          oldWrites[baseAddr+ADDR_TL]=-1;
-          //rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
-        }
-      }
-      immWrite(0x28,0x00|konOffs[i]);
-      if (chan[i].hardReset && chan[i].keyOn) {
-        for (int j=0; j<4; j++) {
-          unsigned short baseAddr=chanOffs[i]|opOffs[j];
-          for (int k=0; k<100; k++) {
-            immWrite(baseAddr+ADDR_SL_RR,0x0f);
-          }
-        }
-      }
-      chan[i].keyOff=false;
-    }
   }
 
   for (int i=16; i<512; i++) {
@@ -571,6 +548,26 @@ void DivPlatformYM2610::tick(bool sysTick) {
     }
   }
 
+  int hardResetElapsed=0;
+  bool mustHardReset=false;
+
+  for (int i=0; i<psgChanOffs; i++) {
+    if (i==1 && extMode) continue;
+    if (chan[i].keyOn || chan[i].keyOff) {
+      immWrite(0x28,0x00|konOffs[i]);
+      if (chan[i].hardReset && chan[i].keyOn) {
+        mustHardReset=true;
+        for (int j=0; j<4; j++) {
+          unsigned short baseAddr=chanOffs[i]|opOffs[j];
+          oldWrites[baseAddr+ADDR_SL_RR]=-1;
+          immWrite(baseAddr+ADDR_SL_RR,0x0f);
+          hardResetElapsed++;
+        }
+      }
+      chan[i].keyOff=false;
+    }
+  }
+
   for (int i=0; i<psgChanOffs; i++) {
     if (i==1 && extMode) continue;
     if (chan[i].freqChanged) {
@@ -592,10 +589,12 @@ void DivPlatformYM2610::tick(bool sysTick) {
       if (chan[i].freq>0x3fff) chan[i].freq=0x3fff;
       immWrite(chanOffs[i]+ADDR_FREQH,chan[i].freq>>8);
       immWrite(chanOffs[i]+ADDR_FREQ,chan[i].freq&0xff);
+      hardResetElapsed+=2;
       chan[i].freqChanged=false;
     }
-    if (chan[i].keyOn || chan[i].opMaskChanged) {
+    if ((chan[i].keyOn || chan[i].opMaskChanged) && !chan[i].hardReset) {
       immWrite(0x28,(chan[i].opMask<<4)|konOffs[i]);
+      hardResetElapsed++;
       chan[i].opMaskChanged=false;
       chan[i].keyOn=false;
     }
@@ -612,6 +611,7 @@ void DivPlatformYM2610::tick(bool sysTick) {
         if (globalADPCMAVolume!=(chan[i].std.duty.val&0x3f)) {
           globalADPCMAVolume=chan[i].std.duty.val&0x3f;
           immWrite(0x101,globalADPCMAVolume);
+          hardResetElapsed++;
         }
       }
       if (chan[i].std.panL.had) {
@@ -624,6 +624,7 @@ void DivPlatformYM2610::tick(bool sysTick) {
       }
       if (!isMuted[i] && (chan[i].std.vol.had || chan[i].std.panL.had)) {
         immWrite(0x108+(i-adpcmAChanOffs),isMuted[i]?0:((chan[i].pan<<6)|chan[i].outVol));
+        hardResetElapsed++;
       }
     }
     if (chan[i].keyOff) {
@@ -644,6 +645,7 @@ void DivPlatformYM2610::tick(bool sysTick) {
     if (chan[adpcmBChanOffs].std.vol.had) {
       chan[adpcmBChanOffs].outVol=(chan[adpcmBChanOffs].vol*MIN(chan[adpcmBChanOffs].macroVolMul,chan[adpcmBChanOffs].std.vol.val))/chan[adpcmBChanOffs].macroVolMul;
       immWrite(0x1b,chan[adpcmBChanOffs].outVol);
+      hardResetElapsed++;
     }
 
     if (NEW_ARP_STRAT) {
@@ -670,6 +672,7 @@ void DivPlatformYM2610::tick(bool sysTick) {
         chan[adpcmBChanOffs].pan=chan[adpcmBChanOffs].std.panL.val&3;
         if (!isMuted[adpcmBChanOffs]) {
           immWrite(0x11,(isMuted[adpcmBChanOffs]?0:(chan[adpcmBChanOffs].pan<<6)));
+          hardResetElapsed++;
         }
       }
     }
@@ -689,13 +692,16 @@ void DivPlatformYM2610::tick(bool sysTick) {
       }
       immWrite(0x19,chan[adpcmBChanOffs].freq&0xff);
       immWrite(0x1a,(chan[adpcmBChanOffs].freq>>8)&0xff);
+      hardResetElapsed+=2;
     }
     if (chan[adpcmBChanOffs].keyOn || chan[adpcmBChanOffs].keyOff) {
       immWrite(0x10,0x01); // reset
+      hardResetElapsed++;
       if (chan[adpcmBChanOffs].active && chan[adpcmBChanOffs].keyOn && !chan[adpcmBChanOffs].keyOff) {
         if (chan[adpcmBChanOffs].sample>=0 && chan[adpcmBChanOffs].sample<parent->song.sampleLen) {
           DivSample* s=parent->getSample(chan[adpcmBChanOffs].sample);
           immWrite(0x10,(s->isLoopable())?0x90:0x80); // start/repeat
+          hardResetElapsed++;
         }
       }
       chan[adpcmBChanOffs].keyOn=false;
@@ -706,11 +712,13 @@ void DivPlatformYM2610::tick(bool sysTick) {
 
   if (writeADPCMAOff) {
     immWrite(0x100,0x80|writeADPCMAOff);
+    hardResetElapsed++;
     writeADPCMAOff=0;
   }
 
   if (writeADPCMAOn) {
     immWrite(0x100,writeADPCMAOn);
+    hardResetElapsed++;
     writeADPCMAOn=0;
   }
 
@@ -720,8 +728,24 @@ void DivPlatformYM2610::tick(bool sysTick) {
   for (DivRegWrite& i: ay->getRegisterWrites()) {
     if (i.addr>15) continue;
     immWrite(i.addr&15,i.val);
+    hardResetElapsed++;
   }
   ay->getRegisterWrites().clear();
+
+  // hard reset handling
+  if (mustHardReset) {
+    for (unsigned int i=hardResetElapsed; i<hardResetCycles; i++) {
+      immWrite(0xf0,i&0xff);
+    }
+    for (int i=0; i<psgChanOffs; i++) {
+      if (i==1 && extMode) continue;
+      if ((chan[i].keyOn || chan[i].opMaskChanged) && chan[i].hardReset) {
+        immWrite(0x28,(chan[i].opMask<<4)|konOffs[i]);
+        chan[i].opMaskChanged=false;
+        chan[i].keyOn=false;
+      }
+    }
+  }
 }
 
 void DivPlatformYM2610::commitState(int ch, DivInstrument* ins) {
diff --git a/src/engine/platform/ym2610b.cpp b/src/engine/platform/ym2610b.cpp
index 39285d651..67e44e362 100644
--- a/src/engine/platform/ym2610b.cpp
+++ b/src/engine/platform/ym2610b.cpp
@@ -606,29 +606,6 @@ void DivPlatformYM2610B::tick(bool sysTick) {
         rWrite(baseAddr+ADDR_SSG,op.ssgEnv&15);
       }
     }
-
-    if (chan[i].keyOn || chan[i].keyOff) {
-      if (chan[i].hardReset && chan[i].keyOn) {
-        for (int j=0; j<4; j++) {
-          unsigned short baseAddr=chanOffs[i]|opOffs[j];
-          immWrite(baseAddr+ADDR_SL_RR,0x0f);
-          immWrite(baseAddr+ADDR_TL,0x7f);
-          oldWrites[baseAddr+ADDR_SL_RR]=-1;
-          oldWrites[baseAddr+ADDR_TL]=-1;
-          //rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
-        }
-      }
-      immWrite(0x28,0x00|konOffs[i]);
-      if (chan[i].hardReset && chan[i].keyOn) {
-        for (int j=0; j<4; j++) {
-          unsigned short baseAddr=chanOffs[i]|opOffs[j];
-          for (int k=0; k<100; k++) {
-            immWrite(baseAddr+ADDR_SL_RR,0x0f);
-          }
-        }
-      }
-      chan[i].keyOff=false;
-    }
   }
 
   for (int i=16; i<512; i++) {
@@ -638,6 +615,26 @@ void DivPlatformYM2610B::tick(bool sysTick) {
     }
   }
 
+  int hardResetElapsed=0;
+  bool mustHardReset=false;
+
+  for (int i=0; i<psgChanOffs; i++) {
+    if (i==2 && extMode) continue;
+    if (chan[i].keyOn || chan[i].keyOff) {
+      immWrite(0x28,0x00|konOffs[i]);
+      if (chan[i].hardReset && chan[i].keyOn) {
+        mustHardReset=true;
+        for (int j=0; j<4; j++) {
+          unsigned short baseAddr=chanOffs[i]|opOffs[j];
+          oldWrites[baseAddr+ADDR_SL_RR]=-1;
+          immWrite(baseAddr+ADDR_SL_RR,0x0f);
+          hardResetElapsed++;
+        }
+      }
+      chan[i].keyOff=false;
+    }
+  }
+
   for (int i=0; i<psgChanOffs; i++) {
     if (i==2 && extMode) continue;
     if (chan[i].freqChanged) {
@@ -659,10 +656,12 @@ void DivPlatformYM2610B::tick(bool sysTick) {
       if (chan[i].freq>0x3fff) chan[i].freq=0x3fff;
       immWrite(chanOffs[i]+ADDR_FREQH,chan[i].freq>>8);
       immWrite(chanOffs[i]+ADDR_FREQ,chan[i].freq&0xff);
+      hardResetElapsed+=2;
       chan[i].freqChanged=false;
     }
     if (chan[i].keyOn || chan[i].opMaskChanged) {
       immWrite(0x28,(chan[i].opMask<<4)|konOffs[i]);
+      hardResetElapsed++;
       chan[i].opMaskChanged=false;
       chan[i].keyOn=false;
     }
@@ -679,6 +678,7 @@ void DivPlatformYM2610B::tick(bool sysTick) {
         if (globalADPCMAVolume!=(chan[i].std.duty.val&0x3f)) {
           globalADPCMAVolume=chan[i].std.duty.val&0x3f;
           immWrite(0x101,globalADPCMAVolume);
+          hardResetElapsed++;
         }
       }
       if (chan[i].std.panL.had) {
@@ -691,6 +691,7 @@ void DivPlatformYM2610B::tick(bool sysTick) {
       }
       if (!isMuted[i] && (chan[i].std.vol.had || chan[i].std.panL.had)) {
         immWrite(0x108+(i-adpcmAChanOffs),isMuted[i]?0:((chan[i].pan<<6)|chan[i].outVol));
+        hardResetElapsed++;
       }
     }
     if (chan[i].keyOff) {
@@ -711,6 +712,7 @@ void DivPlatformYM2610B::tick(bool sysTick) {
     if (chan[adpcmBChanOffs].std.vol.had) {
       chan[adpcmBChanOffs].outVol=(chan[adpcmBChanOffs].vol*MIN(chan[adpcmBChanOffs].macroVolMul,chan[adpcmBChanOffs].std.vol.val))/chan[adpcmBChanOffs].macroVolMul;
       immWrite(0x1b,chan[adpcmBChanOffs].outVol);
+      hardResetElapsed++;
     }
 
     if (NEW_ARP_STRAT) {
@@ -737,6 +739,7 @@ void DivPlatformYM2610B::tick(bool sysTick) {
         chan[adpcmBChanOffs].pan=chan[adpcmBChanOffs].std.panL.val&3;
         if (!isMuted[adpcmBChanOffs]) {
           immWrite(0x11,(isMuted[adpcmBChanOffs]?0:(chan[adpcmBChanOffs].pan<<6)));
+          hardResetElapsed++;
         }
       }
     }
@@ -756,13 +759,16 @@ void DivPlatformYM2610B::tick(bool sysTick) {
       }
       immWrite(0x19,chan[adpcmBChanOffs].freq&0xff);
       immWrite(0x1a,(chan[adpcmBChanOffs].freq>>8)&0xff);
+      hardResetElapsed+=2;
     }
     if (chan[adpcmBChanOffs].keyOn || chan[adpcmBChanOffs].keyOff) {
       immWrite(0x10,0x01); // reset
+      hardResetElapsed++;
       if (chan[adpcmBChanOffs].active && chan[adpcmBChanOffs].keyOn && !chan[adpcmBChanOffs].keyOff) {
         if (chan[adpcmBChanOffs].sample>=0 && chan[adpcmBChanOffs].sample<parent->song.sampleLen) {
           DivSample* s=parent->getSample(chan[adpcmBChanOffs].sample);
           immWrite(0x10,(s->isLoopable())?0x90:0x80); // start/repeat
+          hardResetElapsed++;
         }
       }
       chan[adpcmBChanOffs].keyOn=false;
@@ -773,11 +779,13 @@ void DivPlatformYM2610B::tick(bool sysTick) {
 
   if (writeADPCMAOff) {
     immWrite(0x100,0x80|writeADPCMAOff);
+    hardResetElapsed++;
     writeADPCMAOff=0;
   }
 
   if (writeADPCMAOn) {
     immWrite(0x100,writeADPCMAOn);
+    hardResetElapsed++;
     writeADPCMAOn=0;
   }
 
@@ -787,8 +795,24 @@ void DivPlatformYM2610B::tick(bool sysTick) {
   for (DivRegWrite& i: ay->getRegisterWrites()) {
     if (i.addr>15) continue;
     immWrite(i.addr&15,i.val);
+    hardResetElapsed++;
   }
   ay->getRegisterWrites().clear();
+
+  // hard reset handling
+  if (mustHardReset) {
+    for (unsigned int i=hardResetElapsed; i<hardResetCycles; i++) {
+      immWrite(0xf0,i&0xff);
+    }
+    for (int i=0; i<psgChanOffs; i++) {
+      if (i==2 && extMode) continue;
+      if ((chan[i].keyOn || chan[i].opMaskChanged) && chan[i].hardReset) {
+        immWrite(0x28,(chan[i].opMask<<4)|konOffs[i]);
+        chan[i].opMaskChanged=false;
+        chan[i].keyOn=false;
+      }
+    }
+  }
 }
 
 void DivPlatformYM2610B::commitState(int ch, DivInstrument* ins) {

From 888af74c0784788df46d467d0dd3295ed2769919 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Thu, 19 Jan 2023 18:37:29 -0500
Subject: [PATCH 08/29] YM2610B: fix hard reset not working

---
 src/engine/platform/ym2610b.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/engine/platform/ym2610b.cpp b/src/engine/platform/ym2610b.cpp
index 67e44e362..a2ba21fe4 100644
--- a/src/engine/platform/ym2610b.cpp
+++ b/src/engine/platform/ym2610b.cpp
@@ -659,7 +659,7 @@ void DivPlatformYM2610B::tick(bool sysTick) {
       hardResetElapsed+=2;
       chan[i].freqChanged=false;
     }
-    if (chan[i].keyOn || chan[i].opMaskChanged) {
+    if ((chan[i].keyOn || chan[i].opMaskChanged) && !chan[i].hardReset) {
       immWrite(0x28,(chan[i].opMask<<4)|konOffs[i]);
       hardResetElapsed++;
       chan[i].opMaskChanged=false;

From a5a3407d3bb24f489e1dbf779e997bb4b826a61f Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Thu, 19 Jan 2023 19:01:31 -0500
Subject: [PATCH 09/29] who used sprintf!

---
 src/engine/platform/sound/ymfm/ymfm.h       |  2 +-
 src/engine/platform/sound/ymfm/ymfm_opm.cpp | 10 ++++----
 src/engine/platform/sound/ymfm/ymfm_opn.cpp | 14 +++++------
 src/engine/platform/sound/ymfm/ymfm_opz.cpp | 28 ++++++++++-----------
 4 files changed, 27 insertions(+), 27 deletions(-)

diff --git a/src/engine/platform/sound/ymfm/ymfm.h b/src/engine/platform/sound/ymfm/ymfm.h
index 47ff90072..b1ba7c83a 100644
--- a/src/engine/platform/sound/ymfm/ymfm.h
+++ b/src/engine/platform/sound/ymfm/ymfm.h
@@ -350,7 +350,7 @@ public:
 		{
 			// create file
 			char name[20];
-			sprintf(name, "wavlog-%02d.wav", m_index);
+			snprintf(name, 20, "wavlog-%02d.wav", m_index);
 			FILE *out = fopen(name, "wb");
 
 			// make the wav file header
diff --git a/src/engine/platform/sound/ymfm/ymfm_opm.cpp b/src/engine/platform/sound/ymfm/ymfm_opm.cpp
index 31d0a7467..958dae579 100644
--- a/src/engine/platform/sound/ymfm/ymfm_opm.cpp
+++ b/src/engine/platform/sound/ymfm/ymfm_opm.cpp
@@ -363,7 +363,7 @@ std::string opm_registers::log_keyon(uint32_t choffs, uint32_t opoffs)
 	char buffer[256];
 	char *end = &buffer[0];
 
-	end += sprintf(end, "%u.%02u freq=%04X dt2=%u dt=%u fb=%u alg=%X mul=%X tl=%02X ksr=%u adsr=%02X/%02X/%02X/%X sl=%X out=%c%c",
+	end += snprintf(end, 256-(end-buffer), "%u.%02u freq=%04X dt2=%u dt=%u fb=%u alg=%X mul=%X tl=%02X ksr=%u adsr=%02X/%02X/%02X/%X sl=%X out=%c%c",
 		chnum, opnum,
 		ch_block_freq(choffs),
 		op_detune2(opoffs),
@@ -383,14 +383,14 @@ std::string opm_registers::log_keyon(uint32_t choffs, uint32_t opoffs)
 
 	bool am = (lfo_am_depth() != 0 && ch_lfo_am_sens(choffs) != 0 && op_lfo_am_enable(opoffs) != 0);
 	if (am)
-		end += sprintf(end, " am=%u/%02X", ch_lfo_am_sens(choffs), lfo_am_depth());
+		end += snprintf(end, 256-(end-buffer), " am=%u/%02X", ch_lfo_am_sens(choffs), lfo_am_depth());
 	bool pm = (lfo_pm_depth() != 0 && ch_lfo_pm_sens(choffs) != 0);
 	if (pm)
-		end += sprintf(end, " pm=%u/%02X", ch_lfo_pm_sens(choffs), lfo_pm_depth());
+		end += snprintf(end, 256-(end-buffer), " pm=%u/%02X", ch_lfo_pm_sens(choffs), lfo_pm_depth());
 	if (am || pm)
-		end += sprintf(end, " lfo=%02X/%c", lfo_rate(), "WQTN"[lfo_waveform()]);
+		end += snprintf(end, 256-(end-buffer), " lfo=%02X/%c", lfo_rate(), "WQTN"[lfo_waveform()]);
 	if (noise_enable() && opoffs == 31)
-		end += sprintf(end, " noise=1");
+		end += snprintf(end, 256-(end-buffer), " noise=1");
 
 	return buffer;
 }
diff --git a/src/engine/platform/sound/ymfm/ymfm_opn.cpp b/src/engine/platform/sound/ymfm/ymfm_opn.cpp
index 053ad9770..25d921a95 100644
--- a/src/engine/platform/sound/ymfm/ymfm_opn.cpp
+++ b/src/engine/platform/sound/ymfm/ymfm_opn.cpp
@@ -411,7 +411,7 @@ std::string opn_registers_base<IsOpnA>::log_keyon(uint32_t choffs, uint32_t opof
 	char buffer[256];
 	char *end = &buffer[0];
 
-	end += sprintf(end, "%u.%02u freq=%04X dt=%u fb=%u alg=%X mul=%X tl=%02X ksr=%u adsr=%02X/%02X/%02X/%X sl=%X",
+	end += snprintf(end, 256-(end-buffer), "%u.%02u freq=%04X dt=%u fb=%u alg=%X mul=%X tl=%02X ksr=%u adsr=%02X/%02X/%02X/%X sl=%X",
 		chnum, opnum,
 		block_freq,
 		op_detune(opoffs),
@@ -427,21 +427,21 @@ std::string opn_registers_base<IsOpnA>::log_keyon(uint32_t choffs, uint32_t opof
 		op_sustain_level(opoffs));
 
 	if (OUTPUTS > 1)
-		end += sprintf(end, " out=%c%c",
+		end += snprintf(end, 256-(end-buffer), " out=%c%c",
 			ch_output_0(choffs) ? 'L' : '-',
 			ch_output_1(choffs) ? 'R' : '-');
 	if (op_ssg_eg_enable(opoffs))
-		end += sprintf(end, " ssg=%X", op_ssg_eg_mode(opoffs));
+		end += snprintf(end, 256-(end-buffer), " ssg=%X", op_ssg_eg_mode(opoffs));
 	bool am = (op_lfo_am_enable(opoffs) && ch_lfo_am_sens(choffs) != 0);
 	if (am)
-		end += sprintf(end, " am=%u", ch_lfo_am_sens(choffs));
+		end += snprintf(end, 256-(end-buffer), " am=%u", ch_lfo_am_sens(choffs));
 	bool pm = (ch_lfo_pm_sens(choffs) != 0);
 	if (pm)
-		end += sprintf(end, " pm=%u", ch_lfo_pm_sens(choffs));
+		end += snprintf(end, 256-(end-buffer), " pm=%u", ch_lfo_pm_sens(choffs));
 	if (am || pm)
-		end += sprintf(end, " lfo=%02X", lfo_rate());
+		end += snprintf(end, 256-(end-buffer), " lfo=%02X", lfo_rate());
 	if (multi_freq() && choffs == 2)
-		end += sprintf(end, " multi=1");
+		end += snprintf(end, 256-(end-buffer), " multi=1");
 
 	return buffer;
 }
diff --git a/src/engine/platform/sound/ymfm/ymfm_opz.cpp b/src/engine/platform/sound/ymfm/ymfm_opz.cpp
index 37c6a5fce..b20bea3c1 100644
--- a/src/engine/platform/sound/ymfm/ymfm_opz.cpp
+++ b/src/engine/platform/sound/ymfm/ymfm_opz.cpp
@@ -575,14 +575,14 @@ std::string opz_registers::log_keyon(uint32_t choffs, uint32_t opoffs)
 	char buffer[256];
 	char *end = &buffer[0];
 
-	end += sprintf(end, "%u.%02u", chnum, opnum);
+	end += snprintf(end, 256-(end-buffer), "%u.%02u", chnum, opnum);
 
 	if (op_fix_mode(opoffs))
-		end += sprintf(end, " fixfreq=%X fine=%X shift=%X", op_fix_frequency(opoffs), op_fine(opoffs), op_fix_range(opoffs));
+		end += snprintf(end, 256-(end-buffer), " fixfreq=%X fine=%X shift=%X", op_fix_frequency(opoffs), op_fine(opoffs), op_fix_range(opoffs));
 	else
-		end += sprintf(end, " freq=%04X dt2=%u fine=%X", ch_block_freq(choffs), op_detune2(opoffs), op_fine(opoffs));
+		end += snprintf(end, 256-(end-buffer), " freq=%04X dt2=%u fine=%X", ch_block_freq(choffs), op_detune2(opoffs), op_fine(opoffs));
 
-	end += sprintf(end, " dt=%u fb=%u alg=%X mul=%X tl=%02X ksr=%u adsr=%02X/%02X/%02X/%X sl=%X out=%c%c",
+	end += snprintf(end, 256-(end-buffer), " dt=%u fb=%u alg=%X mul=%X tl=%02X ksr=%u adsr=%02X/%02X/%02X/%X sl=%X out=%c%c",
 		op_detune(opoffs),
 		ch_feedback(choffs),
 		ch_algorithm(choffs),
@@ -598,32 +598,32 @@ std::string opz_registers::log_keyon(uint32_t choffs, uint32_t opoffs)
 		ch_output_1(choffs) ? 'R' : '-');
 
 	if (op_eg_shift(opoffs) != 0)
-		end += sprintf(end, " egshift=%u", op_eg_shift(opoffs));
+		end += snprintf(end, 256-(end-buffer), " egshift=%u", op_eg_shift(opoffs));
 
 	bool am = (lfo_am_depth() != 0 && ch_lfo_am_sens(choffs) != 0 && op_lfo_am_enable(opoffs) != 0);
 	if (am)
-		end += sprintf(end, " am=%u/%02X", ch_lfo_am_sens(choffs), lfo_am_depth());
+		end += snprintf(end, 256-(end-buffer), " am=%u/%02X", ch_lfo_am_sens(choffs), lfo_am_depth());
 	bool pm = (lfo_pm_depth() != 0 && ch_lfo_pm_sens(choffs) != 0);
 	if (pm)
-		end += sprintf(end, " pm=%u/%02X", ch_lfo_pm_sens(choffs), lfo_pm_depth());
+		end += snprintf(end, 256-(end-buffer), " pm=%u/%02X", ch_lfo_pm_sens(choffs), lfo_pm_depth());
 	if (am || pm)
-		end += sprintf(end, " lfo=%02X/%c", lfo_rate(), "WQTN"[lfo_waveform()]);
+		end += snprintf(end, 256-(end-buffer), " lfo=%02X/%c", lfo_rate(), "WQTN"[lfo_waveform()]);
 
 	bool am2 = (lfo2_am_depth() != 0 && ch_lfo2_am_sens(choffs) != 0 && op_lfo_am_enable(opoffs) != 0);
 	if (am2)
-		end += sprintf(end, " am2=%u/%02X", ch_lfo2_am_sens(choffs), lfo2_am_depth());
+		end += snprintf(end, 256-(end-buffer), " am2=%u/%02X", ch_lfo2_am_sens(choffs), lfo2_am_depth());
 	bool pm2 = (lfo2_pm_depth() != 0 && ch_lfo2_pm_sens(choffs) != 0);
 	if (pm2)
-		end += sprintf(end, " pm2=%u/%02X", ch_lfo2_pm_sens(choffs), lfo2_pm_depth());
+		end += snprintf(end, 256-(end-buffer), " pm2=%u/%02X", ch_lfo2_pm_sens(choffs), lfo2_pm_depth());
 	if (am2 || pm2)
-		end += sprintf(end, " lfo2=%02X/%c", lfo2_rate(), "WQTN"[lfo2_waveform()]);
+		end += snprintf(end, 256-(end-buffer), " lfo2=%02X/%c", lfo2_rate(), "WQTN"[lfo2_waveform()]);
 
 	if (op_reverb_rate(opoffs) != 0)
-		end += sprintf(end, " rev=%u", op_reverb_rate(opoffs));
+		end += snprintf(end, 256-(end-buffer), " rev=%u", op_reverb_rate(opoffs));
 	if (op_waveform(opoffs) != 0)
-		end += sprintf(end, " wf=%u", op_waveform(opoffs));
+		end += snprintf(end, 256-(end-buffer), " wf=%u", op_waveform(opoffs));
 	if (noise_enable() && opoffs == 31)
-		end += sprintf(end, " noise=1");
+		end += snprintf(end, 256-(end-buffer), " noise=1");
 
 	return buffer;
 }

From 45faadd4c8f141a18a70442f0fa0eadb5e48f52e Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Thu, 19 Jan 2023 19:18:40 -0500
Subject: [PATCH 10/29] update copyright year

---
 README.md                               | 12 ++++--------
 src/audio/abstract.cpp                  |  2 +-
 src/audio/jack.cpp                      |  2 +-
 src/audio/jack.h                        |  2 +-
 src/audio/midi.cpp                      |  2 +-
 src/audio/rtmidi.cpp                    |  2 +-
 src/audio/rtmidi.h                      |  2 +-
 src/audio/sdlAudio.cpp                  |  2 +-
 src/audio/sdlAudio.h                    |  2 +-
 src/audio/taAudio.h                     |  2 +-
 src/baseutils.cpp                       |  2 +-
 src/baseutils.h                         |  2 +-
 src/cli/cli.cpp                         |  2 +-
 src/cli/cli.h                           |  2 +-
 src/engine/chipUtils.h                  |  2 +-
 src/engine/config.cpp                   |  2 +-
 src/engine/config.h                     |  2 +-
 src/engine/configEngine.cpp             |  2 +-
 src/engine/dataErrors.h                 |  2 +-
 src/engine/defines.h                    |  2 +-
 src/engine/dispatch.h                   |  2 +-
 src/engine/dispatchContainer.cpp        |  2 +-
 src/engine/engine.cpp                   |  2 +-
 src/engine/engine.h                     |  2 +-
 src/engine/fileOps.cpp                  |  2 +-
 src/engine/fileOpsIns.cpp               |  2 +-
 src/engine/filter.cpp                   |  2 +-
 src/engine/filter.h                     |  2 +-
 src/engine/instrument.cpp               |  2 +-
 src/engine/instrument.h                 |  2 +-
 src/engine/macroInt.cpp                 |  2 +-
 src/engine/macroInt.h                   |  2 +-
 src/engine/orders.h                     |  2 +-
 src/engine/pattern.cpp                  |  2 +-
 src/engine/pattern.h                    |  2 +-
 src/engine/platform/abstract.cpp        |  2 +-
 src/engine/platform/amiga.cpp           |  2 +-
 src/engine/platform/amiga.h             |  2 +-
 src/engine/platform/arcade.cpp          |  2 +-
 src/engine/platform/arcade.h            |  2 +-
 src/engine/platform/ay.cpp              |  2 +-
 src/engine/platform/ay.h                |  2 +-
 src/engine/platform/ay8930.cpp          |  2 +-
 src/engine/platform/ay8930.h            |  2 +-
 src/engine/platform/bubsyswsg.cpp       |  2 +-
 src/engine/platform/bubsyswsg.h         |  2 +-
 src/engine/platform/c64.cpp             |  2 +-
 src/engine/platform/c64.h               |  2 +-
 src/engine/platform/dummy.cpp           |  2 +-
 src/engine/platform/dummy.h             |  2 +-
 src/engine/platform/fds.cpp             |  2 +-
 src/engine/platform/fds.h               |  2 +-
 src/engine/platform/fmshared_OPM.h      |  2 +-
 src/engine/platform/fmshared_OPN.h      |  2 +-
 src/engine/platform/fmsharedbase.h      |  2 +-
 src/engine/platform/ga20.cpp            |  2 +-
 src/engine/platform/ga20.h              |  2 +-
 src/engine/platform/gb.cpp              |  2 +-
 src/engine/platform/gb.h                |  2 +-
 src/engine/platform/genesis.cpp         |  2 +-
 src/engine/platform/genesis.h           |  2 +-
 src/engine/platform/genesisext.cpp      |  2 +-
 src/engine/platform/genesisext.h        |  2 +-
 src/engine/platform/k007232.cpp         |  2 +-
 src/engine/platform/k007232.h           |  2 +-
 src/engine/platform/lynx.cpp            |  2 +-
 src/engine/platform/lynx.h              |  2 +-
 src/engine/platform/mmc5.cpp            |  2 +-
 src/engine/platform/mmc5.h              |  2 +-
 src/engine/platform/msm5232.cpp         |  2 +-
 src/engine/platform/msm5232.h           |  2 +-
 src/engine/platform/msm6258.cpp         |  2 +-
 src/engine/platform/msm6258.h           |  2 +-
 src/engine/platform/msm6295.cpp         |  2 +-
 src/engine/platform/msm6295.h           |  2 +-
 src/engine/platform/n163.cpp            |  2 +-
 src/engine/platform/n163.h              |  2 +-
 src/engine/platform/namcowsg.cpp        |  2 +-
 src/engine/platform/namcowsg.h          |  2 +-
 src/engine/platform/nes.cpp             |  2 +-
 src/engine/platform/nes.h               |  2 +-
 src/engine/platform/opl.cpp             |  2 +-
 src/engine/platform/opl.h               |  2 +-
 src/engine/platform/oplAInterface.cpp   |  2 +-
 src/engine/platform/opll.cpp            |  2 +-
 src/engine/platform/opll.h              |  2 +-
 src/engine/platform/pce.cpp             |  2 +-
 src/engine/platform/pce.h               |  2 +-
 src/engine/platform/pcmdac.cpp          |  2 +-
 src/engine/platform/pcmdac.h            |  2 +-
 src/engine/platform/pcspkr.cpp          |  2 +-
 src/engine/platform/pcspkr.h            |  2 +-
 src/engine/platform/pet.cpp             |  2 +-
 src/engine/platform/pet.h               |  2 +-
 src/engine/platform/pokemini.cpp        |  2 +-
 src/engine/platform/pokemini.h          |  2 +-
 src/engine/platform/pokey.cpp           |  2 +-
 src/engine/platform/pokey.h             |  2 +-
 src/engine/platform/pong.cpp            |  2 +-
 src/engine/platform/pong.h              |  2 +-
 src/engine/platform/qsound.cpp          |  2 +-
 src/engine/platform/qsound.h            |  2 +-
 src/engine/platform/rf5c68.cpp          |  2 +-
 src/engine/platform/rf5c68.h            |  2 +-
 src/engine/platform/saa.cpp             |  2 +-
 src/engine/platform/saa.h               |  2 +-
 src/engine/platform/scc.cpp             |  2 +-
 src/engine/platform/scc.h               |  2 +-
 src/engine/platform/segapcm.cpp         |  2 +-
 src/engine/platform/segapcm.h           |  2 +-
 src/engine/platform/sms.cpp             |  2 +-
 src/engine/platform/sms.h               |  2 +-
 src/engine/platform/snes.cpp            |  2 +-
 src/engine/platform/snes.h              |  2 +-
 src/engine/platform/su.cpp              |  2 +-
 src/engine/platform/su.h                |  2 +-
 src/engine/platform/swan.cpp            |  2 +-
 src/engine/platform/swan.h              |  2 +-
 src/engine/platform/t6w28.cpp           |  2 +-
 src/engine/platform/t6w28.h             |  2 +-
 src/engine/platform/tia.cpp             |  2 +-
 src/engine/platform/tia.h               |  2 +-
 src/engine/platform/tx81z.cpp           |  2 +-
 src/engine/platform/tx81z.h             |  2 +-
 src/engine/platform/vb.cpp              |  2 +-
 src/engine/platform/vb.h                |  2 +-
 src/engine/platform/vera.cpp            |  2 +-
 src/engine/platform/vera.h              |  2 +-
 src/engine/platform/vic20.cpp           |  2 +-
 src/engine/platform/vic20.h             |  2 +-
 src/engine/platform/vrc6.cpp            |  2 +-
 src/engine/platform/vrc6.h              |  2 +-
 src/engine/platform/x1_010.cpp          |  2 +-
 src/engine/platform/x1_010.h            |  2 +-
 src/engine/platform/ym2203.cpp          |  2 +-
 src/engine/platform/ym2203.h            |  2 +-
 src/engine/platform/ym2203ext.cpp       |  2 +-
 src/engine/platform/ym2203ext.h         |  2 +-
 src/engine/platform/ym2608.cpp          |  2 +-
 src/engine/platform/ym2608.h            |  2 +-
 src/engine/platform/ym2608Interface.cpp |  2 +-
 src/engine/platform/ym2608ext.cpp       |  2 +-
 src/engine/platform/ym2608ext.h         |  2 +-
 src/engine/platform/ym2610.cpp          |  2 +-
 src/engine/platform/ym2610.h            |  2 +-
 src/engine/platform/ym2610Interface.cpp |  2 +-
 src/engine/platform/ym2610b.cpp         |  2 +-
 src/engine/platform/ym2610b.h           |  2 +-
 src/engine/platform/ym2610bext.cpp      |  2 +-
 src/engine/platform/ym2610bext.h        |  2 +-
 src/engine/platform/ym2610ext.cpp       |  2 +-
 src/engine/platform/ym2610ext.h         |  2 +-
 src/engine/platform/ym2610shared.h      |  2 +-
 src/engine/platform/ymz280b.cpp         |  2 +-
 src/engine/platform/ymz280b.h           |  2 +-
 src/engine/platform/zxbeeper.cpp        |  2 +-
 src/engine/platform/zxbeeper.h          |  2 +-
 src/engine/playback.cpp                 |  2 +-
 src/engine/safeReader.cpp               |  2 +-
 src/engine/safeReader.h                 |  2 +-
 src/engine/safeWriter.cpp               |  2 +-
 src/engine/safeWriter.h                 |  2 +-
 src/engine/sample.cpp                   |  2 +-
 src/engine/sample.h                     |  2 +-
 src/engine/sfWrapper.cpp                |  2 +-
 src/engine/sfWrapper.h                  |  2 +-
 src/engine/song.cpp                     |  2 +-
 src/engine/song.h                       |  2 +-
 src/engine/sysDef.cpp                   |  2 +-
 src/engine/vgmOps.cpp                   |  2 +-
 src/engine/waveSynth.cpp                |  2 +-
 src/engine/waveSynth.h                  |  2 +-
 src/engine/wavetable.cpp                |  2 +-
 src/engine/wavetable.h                  |  2 +-
 src/engine/winStuff.cpp                 |  2 +-
 src/engine/winStuff.h                   |  2 +-
 src/engine/zsm.cpp                      |  2 +-
 src/engine/zsm.h                        |  2 +-
 src/engine/zsmOps.cpp                   |  2 +-
 src/fileutils.cpp                       |  2 +-
 src/fileutils.h                         |  2 +-
 src/gui/about.cpp                       |  4 ++--
 src/gui/actionUtil.h                    |  2 +-
 src/gui/chanOsc.cpp                     |  2 +-
 src/gui/channels.cpp                    |  2 +-
 src/gui/clock.cpp                       |  2 +-
 src/gui/compatFlags.cpp                 |  2 +-
 src/gui/cursor.cpp                      |  2 +-
 src/gui/dataList.cpp                    |  2 +-
 src/gui/debug.cpp                       |  2 +-
 src/gui/debug.h                         |  2 +-
 src/gui/debugWindow.cpp                 |  2 +-
 src/gui/doAction.cpp                    |  2 +-
 src/gui/editControls.cpp                |  2 +-
 src/gui/editing.cpp                     |  2 +-
 src/gui/findReplace.cpp                 |  2 +-
 src/gui/fonts.cpp                       |  2 +-
 src/gui/fonts.h                         |  2 +-
 src/gui/gradient.cpp                    |  2 +-
 src/gui/gui.cpp                         |  2 +-
 src/gui/gui.h                           |  2 +-
 src/gui/guiConst.cpp                    |  2 +-
 src/gui/guiConst.h                      |  2 +-
 src/gui/icon.c                          |  2 +-
 src/gui/icon.h                          |  2 +-
 src/gui/insEdit.cpp                     |  2 +-
 src/gui/intConst.cpp                    |  2 +-
 src/gui/intConst.h                      |  2 +-
 src/gui/log.cpp                         |  2 +-
 src/gui/macstuff.h                      |  2 +-
 src/gui/mixer.cpp                       |  2 +-
 src/gui/newSong.cpp                     |  2 +-
 src/gui/orders.cpp                      |  2 +-
 src/gui/osc.cpp                         |  2 +-
 src/gui/patManager.cpp                  |  2 +-
 src/gui/pattern.cpp                     |  2 +-
 src/gui/piano.cpp                       |  2 +-
 src/gui/plot_nolerp.cpp                 |  2 +-
 src/gui/plot_nolerp.h                   |  2 +-
 src/gui/presets.cpp                     |  2 +-
 src/gui/regView.cpp                     |  2 +-
 src/gui/sampleEdit.cpp                  |  2 +-
 src/gui/sampleUtil.h                    |  2 +-
 src/gui/scaling.cpp                     |  2 +-
 src/gui/scaling.h                       |  2 +-
 src/gui/settings.cpp                    |  2 +-
 src/gui/songInfo.cpp                    |  2 +-
 src/gui/songNotes.cpp                   |  2 +-
 src/gui/spoiler.cpp                     |  2 +-
 src/gui/stats.cpp                       |  2 +-
 src/gui/sysConf.cpp                     |  2 +-
 src/gui/sysManager.cpp                  |  2 +-
 src/gui/sysPicker.cpp                   |  2 +-
 src/gui/util.cpp                        |  2 +-
 src/gui/util.h                          |  2 +-
 src/gui/volMeter.cpp                    |  2 +-
 src/gui/waveEdit.cpp                    |  2 +-
 src/log.cpp                             |  2 +-
 src/main.cpp                            |  4 ++--
 src/ta-log.h                            |  2 +-
 src/ta-utils.h                          |  2 +-
 src/utfutils.cpp                        |  2 +-
 src/utfutils.h                          |  2 +-
 src/winMain.cpp                         |  2 +-
 244 files changed, 249 insertions(+), 253 deletions(-)

diff --git a/README.md b/README.md
index 4da5e5933..36b530ac6 100644
--- a/README.md
+++ b/README.md
@@ -282,17 +282,13 @@ two possibilities:
 - the recommended way is by creating the "Sample" type instrument and assigning a sample to it.
 - otherwise you may employ the DefleMask-compatible method, using `17xx` effect.
 
-> my .dmf song sounds very odd at a certain point
+> my .dmf song sounds odd at a certain point
 
-file a bug report. use the Issues page. it's probably another playback inaccuracy.
-
-> my .dmf song sounds correct, but it doesn't in DefleMask
-
-file a bug report **here**. it still is a playback inaccuracy.
+Furnace's .dmf compatibility isn't perfect and it's mostly because DefleMask does things different.
 
 > my song sounds terrible after saving as .dmf!
 
-the DefleMask format has several limitations. save in Furnace song format instead (.fur).
+you should only save as .dmf if you're really sure, because the DefleMask format has several limitations. save in Furnace song format instead (.fur).
 
 > how do I solo channels?
 
@@ -301,7 +297,7 @@ right click on the channel name.
 ---
 # footnotes
 
-copyright (C) 2021-2022 tildearrow and contributors.
+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.
 
diff --git a/src/audio/abstract.cpp b/src/audio/abstract.cpp
index 942e31438..e360d1cb1 100644
--- a/src/audio/abstract.cpp
+++ b/src/audio/abstract.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/audio/jack.cpp b/src/audio/jack.cpp
index f9502cf4f..2ffe19b63 100644
--- a/src/audio/jack.cpp
+++ b/src/audio/jack.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/audio/jack.h b/src/audio/jack.h
index adba7850c..8018d6c20 100644
--- a/src/audio/jack.h
+++ b/src/audio/jack.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/audio/midi.cpp b/src/audio/midi.cpp
index afe0dbadc..fa3faf1f4 100644
--- a/src/audio/midi.cpp
+++ b/src/audio/midi.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/audio/rtmidi.cpp b/src/audio/rtmidi.cpp
index 568ea0614..cbf4dca42 100644
--- a/src/audio/rtmidi.cpp
+++ b/src/audio/rtmidi.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/audio/rtmidi.h b/src/audio/rtmidi.h
index 34ddf73e6..5a8e06e0b 100644
--- a/src/audio/rtmidi.h
+++ b/src/audio/rtmidi.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/audio/sdlAudio.cpp b/src/audio/sdlAudio.cpp
index 2915f0343..6d0ceff06 100644
--- a/src/audio/sdlAudio.cpp
+++ b/src/audio/sdlAudio.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/audio/sdlAudio.h b/src/audio/sdlAudio.h
index 556adabc2..a827b059d 100644
--- a/src/audio/sdlAudio.h
+++ b/src/audio/sdlAudio.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/audio/taAudio.h b/src/audio/taAudio.h
index 81814f3e3..dd0d76748 100644
--- a/src/audio/taAudio.h
+++ b/src/audio/taAudio.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/baseutils.cpp b/src/baseutils.cpp
index aad61eb48..787496c7b 100644
--- a/src/baseutils.cpp
+++ b/src/baseutils.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/baseutils.h b/src/baseutils.h
index 438696aaa..0e1b31911 100644
--- a/src/baseutils.h
+++ b/src/baseutils.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/cli/cli.cpp b/src/cli/cli.cpp
index 87bf76dda..546c5000f 100644
--- a/src/cli/cli.cpp
+++ b/src/cli/cli.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/cli/cli.h b/src/cli/cli.h
index 55ad36b38..b77df2e8a 100644
--- a/src/cli/cli.h
+++ b/src/cli/cli.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/chipUtils.h b/src/engine/chipUtils.h
index 8cdb87649..4ddc0738d 100644
--- a/src/engine/chipUtils.h
+++ b/src/engine/chipUtils.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/config.cpp b/src/engine/config.cpp
index 86c7ddc01..e7e61daa0 100644
--- a/src/engine/config.cpp
+++ b/src/engine/config.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/config.h b/src/engine/config.h
index a867dc829..e59674ce1 100644
--- a/src/engine/config.h
+++ b/src/engine/config.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/configEngine.cpp b/src/engine/configEngine.cpp
index a265f0bee..67f466a97 100644
--- a/src/engine/configEngine.cpp
+++ b/src/engine/configEngine.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/dataErrors.h b/src/engine/dataErrors.h
index a163f221a..e6d8fdc42 100644
--- a/src/engine/dataErrors.h
+++ b/src/engine/dataErrors.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/defines.h b/src/engine/defines.h
index 3461a52db..0f53bd777 100644
--- a/src/engine/defines.h
+++ b/src/engine/defines.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/dispatch.h b/src/engine/dispatch.h
index 1970afed6..0378eba26 100644
--- a/src/engine/dispatch.h
+++ b/src/engine/dispatch.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/dispatchContainer.cpp b/src/engine/dispatchContainer.cpp
index 4e4e5d96c..b77d6adeb 100644
--- a/src/engine/dispatchContainer.cpp
+++ b/src/engine/dispatchContainer.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/engine.cpp b/src/engine/engine.cpp
index 81a91d689..50fbbadc5 100644
--- a/src/engine/engine.cpp
+++ b/src/engine/engine.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/engine.h b/src/engine/engine.h
index 75b0ad94c..d0f6f98b9 100644
--- a/src/engine/engine.h
+++ b/src/engine/engine.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/fileOps.cpp b/src/engine/fileOps.cpp
index 9ba9dd9be..e2629dfa0 100644
--- a/src/engine/fileOps.cpp
+++ b/src/engine/fileOps.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/fileOpsIns.cpp b/src/engine/fileOpsIns.cpp
index 359a7ae39..c23e437d3 100644
--- a/src/engine/fileOpsIns.cpp
+++ b/src/engine/fileOpsIns.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/filter.cpp b/src/engine/filter.cpp
index 88b381487..5c8ab218e 100644
--- a/src/engine/filter.cpp
+++ b/src/engine/filter.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/filter.h b/src/engine/filter.h
index 035c05e6a..1e6597e4f 100644
--- a/src/engine/filter.h
+++ b/src/engine/filter.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/instrument.cpp b/src/engine/instrument.cpp
index 433e288fa..cc1755028 100644
--- a/src/engine/instrument.cpp
+++ b/src/engine/instrument.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/instrument.h b/src/engine/instrument.h
index 23c353971..8829f6ce8 100644
--- a/src/engine/instrument.h
+++ b/src/engine/instrument.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/macroInt.cpp b/src/engine/macroInt.cpp
index ff24ae57a..97ae9cdea 100644
--- a/src/engine/macroInt.cpp
+++ b/src/engine/macroInt.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/macroInt.h b/src/engine/macroInt.h
index 49a4edfcb..ab3cc1216 100644
--- a/src/engine/macroInt.h
+++ b/src/engine/macroInt.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/orders.h b/src/engine/orders.h
index 78a05f0c1..170eb4ad4 100644
--- a/src/engine/orders.h
+++ b/src/engine/orders.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/pattern.cpp b/src/engine/pattern.cpp
index 6acdc2842..f7b833e18 100644
--- a/src/engine/pattern.cpp
+++ b/src/engine/pattern.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/pattern.h b/src/engine/pattern.h
index 218ae2d68..644399863 100644
--- a/src/engine/pattern.h
+++ b/src/engine/pattern.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/abstract.cpp b/src/engine/platform/abstract.cpp
index bd3efa72a..74ec8cddf 100644
--- a/src/engine/platform/abstract.cpp
+++ b/src/engine/platform/abstract.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/amiga.cpp b/src/engine/platform/amiga.cpp
index 6f70a310e..1772b313d 100644
--- a/src/engine/platform/amiga.cpp
+++ b/src/engine/platform/amiga.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/amiga.h b/src/engine/platform/amiga.h
index 494b5da7c..e6048a859 100644
--- a/src/engine/platform/amiga.h
+++ b/src/engine/platform/amiga.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/arcade.cpp b/src/engine/platform/arcade.cpp
index dece6b67c..20d844a3d 100644
--- a/src/engine/platform/arcade.cpp
+++ b/src/engine/platform/arcade.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/arcade.h b/src/engine/platform/arcade.h
index f571ff346..edcdd8d1c 100644
--- a/src/engine/platform/arcade.h
+++ b/src/engine/platform/arcade.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/ay.cpp b/src/engine/platform/ay.cpp
index be2ac933c..181901137 100644
--- a/src/engine/platform/ay.cpp
+++ b/src/engine/platform/ay.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/ay.h b/src/engine/platform/ay.h
index ad8b46255..f20a71eac 100644
--- a/src/engine/platform/ay.h
+++ b/src/engine/platform/ay.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/ay8930.cpp b/src/engine/platform/ay8930.cpp
index 3dc8eedbc..0eb509db4 100644
--- a/src/engine/platform/ay8930.cpp
+++ b/src/engine/platform/ay8930.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/ay8930.h b/src/engine/platform/ay8930.h
index 0e60c3508..3ffba63e7 100644
--- a/src/engine/platform/ay8930.h
+++ b/src/engine/platform/ay8930.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/bubsyswsg.cpp b/src/engine/platform/bubsyswsg.cpp
index d7b15d8ff..782ee062e 100644
--- a/src/engine/platform/bubsyswsg.cpp
+++ b/src/engine/platform/bubsyswsg.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/bubsyswsg.h b/src/engine/platform/bubsyswsg.h
index d544c2ecd..784396bfd 100644
--- a/src/engine/platform/bubsyswsg.h
+++ b/src/engine/platform/bubsyswsg.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/c64.cpp b/src/engine/platform/c64.cpp
index d52a5dd00..139b1525b 100644
--- a/src/engine/platform/c64.cpp
+++ b/src/engine/platform/c64.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/c64.h b/src/engine/platform/c64.h
index 28cf5b29d..be78c2d01 100644
--- a/src/engine/platform/c64.h
+++ b/src/engine/platform/c64.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/dummy.cpp b/src/engine/platform/dummy.cpp
index 42ce1ad5e..541630de7 100644
--- a/src/engine/platform/dummy.cpp
+++ b/src/engine/platform/dummy.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/dummy.h b/src/engine/platform/dummy.h
index 0b7a480c2..51a399796 100644
--- a/src/engine/platform/dummy.h
+++ b/src/engine/platform/dummy.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/fds.cpp b/src/engine/platform/fds.cpp
index cdddbacab..420f3e3a1 100644
--- a/src/engine/platform/fds.cpp
+++ b/src/engine/platform/fds.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/fds.h b/src/engine/platform/fds.h
index 7872319b1..5eda2c12f 100644
--- a/src/engine/platform/fds.h
+++ b/src/engine/platform/fds.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/fmshared_OPM.h b/src/engine/platform/fmshared_OPM.h
index 9b838c196..02c30b7eb 100644
--- a/src/engine/platform/fmshared_OPM.h
+++ b/src/engine/platform/fmshared_OPM.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/fmshared_OPN.h b/src/engine/platform/fmshared_OPN.h
index d83ad0770..4f32b4923 100644
--- a/src/engine/platform/fmshared_OPN.h
+++ b/src/engine/platform/fmshared_OPN.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/fmsharedbase.h b/src/engine/platform/fmsharedbase.h
index 9e89ddc2f..b59b419d8 100644
--- a/src/engine/platform/fmsharedbase.h
+++ b/src/engine/platform/fmsharedbase.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/ga20.cpp b/src/engine/platform/ga20.cpp
index c5cbbb61e..0d2a78461 100644
--- a/src/engine/platform/ga20.cpp
+++ b/src/engine/platform/ga20.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/ga20.h b/src/engine/platform/ga20.h
index 9c67a9fd3..9cd6869a2 100644
--- a/src/engine/platform/ga20.h
+++ b/src/engine/platform/ga20.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/gb.cpp b/src/engine/platform/gb.cpp
index 6e6c317c9..e94970145 100644
--- a/src/engine/platform/gb.cpp
+++ b/src/engine/platform/gb.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/gb.h b/src/engine/platform/gb.h
index 8f70fecb8..f75cc62c2 100644
--- a/src/engine/platform/gb.h
+++ b/src/engine/platform/gb.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/genesis.cpp b/src/engine/platform/genesis.cpp
index a73e42c9b..bd2401f60 100644
--- a/src/engine/platform/genesis.cpp
+++ b/src/engine/platform/genesis.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/genesis.h b/src/engine/platform/genesis.h
index c420ac5d7..37449eb91 100644
--- a/src/engine/platform/genesis.h
+++ b/src/engine/platform/genesis.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/genesisext.cpp b/src/engine/platform/genesisext.cpp
index 1b9c7d86c..42e31b8b9 100644
--- a/src/engine/platform/genesisext.cpp
+++ b/src/engine/platform/genesisext.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/genesisext.h b/src/engine/platform/genesisext.h
index e04faf237..c668d5104 100644
--- a/src/engine/platform/genesisext.h
+++ b/src/engine/platform/genesisext.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/k007232.cpp b/src/engine/platform/k007232.cpp
index 6a333c6c6..daa661f6f 100644
--- a/src/engine/platform/k007232.cpp
+++ b/src/engine/platform/k007232.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/k007232.h b/src/engine/platform/k007232.h
index 8d9aeb28b..842310da5 100644
--- a/src/engine/platform/k007232.h
+++ b/src/engine/platform/k007232.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/lynx.cpp b/src/engine/platform/lynx.cpp
index 07be2d6f6..7dec2102d 100644
--- a/src/engine/platform/lynx.cpp
+++ b/src/engine/platform/lynx.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/lynx.h b/src/engine/platform/lynx.h
index ec2208d38..7cde207e4 100644
--- a/src/engine/platform/lynx.h
+++ b/src/engine/platform/lynx.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/mmc5.cpp b/src/engine/platform/mmc5.cpp
index 6e44ea1cb..b130f2cbf 100644
--- a/src/engine/platform/mmc5.cpp
+++ b/src/engine/platform/mmc5.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/mmc5.h b/src/engine/platform/mmc5.h
index 3e83ff06d..291a1baf4 100644
--- a/src/engine/platform/mmc5.h
+++ b/src/engine/platform/mmc5.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/msm5232.cpp b/src/engine/platform/msm5232.cpp
index 7405f8d36..eb8d5cbf5 100644
--- a/src/engine/platform/msm5232.cpp
+++ b/src/engine/platform/msm5232.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/msm5232.h b/src/engine/platform/msm5232.h
index 26d2a34b0..b1d83cf01 100644
--- a/src/engine/platform/msm5232.h
+++ b/src/engine/platform/msm5232.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/msm6258.cpp b/src/engine/platform/msm6258.cpp
index 7814d23e8..6591eda5e 100644
--- a/src/engine/platform/msm6258.cpp
+++ b/src/engine/platform/msm6258.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/msm6258.h b/src/engine/platform/msm6258.h
index 47d079cab..0c19d9763 100644
--- a/src/engine/platform/msm6258.h
+++ b/src/engine/platform/msm6258.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/msm6295.cpp b/src/engine/platform/msm6295.cpp
index 608429002..de7fedd5b 100644
--- a/src/engine/platform/msm6295.cpp
+++ b/src/engine/platform/msm6295.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/msm6295.h b/src/engine/platform/msm6295.h
index 77a82f580..df1406933 100644
--- a/src/engine/platform/msm6295.h
+++ b/src/engine/platform/msm6295.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/n163.cpp b/src/engine/platform/n163.cpp
index a65532793..afd4898a0 100644
--- a/src/engine/platform/n163.cpp
+++ b/src/engine/platform/n163.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/n163.h b/src/engine/platform/n163.h
index 30eb222ce..49c0ff05e 100644
--- a/src/engine/platform/n163.h
+++ b/src/engine/platform/n163.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/namcowsg.cpp b/src/engine/platform/namcowsg.cpp
index 4d49d2787..ca1de7a54 100644
--- a/src/engine/platform/namcowsg.cpp
+++ b/src/engine/platform/namcowsg.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/namcowsg.h b/src/engine/platform/namcowsg.h
index 87a2517ef..b29434137 100644
--- a/src/engine/platform/namcowsg.h
+++ b/src/engine/platform/namcowsg.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/nes.cpp b/src/engine/platform/nes.cpp
index 435384c46..88c7253ee 100644
--- a/src/engine/platform/nes.cpp
+++ b/src/engine/platform/nes.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/nes.h b/src/engine/platform/nes.h
index 22ccfd913..cb30dbf78 100644
--- a/src/engine/platform/nes.h
+++ b/src/engine/platform/nes.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/opl.cpp b/src/engine/platform/opl.cpp
index 014f2a402..a60b59dab 100644
--- a/src/engine/platform/opl.cpp
+++ b/src/engine/platform/opl.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/opl.h b/src/engine/platform/opl.h
index b52857014..aae0e8008 100644
--- a/src/engine/platform/opl.h
+++ b/src/engine/platform/opl.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/oplAInterface.cpp b/src/engine/platform/oplAInterface.cpp
index 999fb47d1..60e1db15b 100644
--- a/src/engine/platform/oplAInterface.cpp
+++ b/src/engine/platform/oplAInterface.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/opll.cpp b/src/engine/platform/opll.cpp
index a1011f606..4f3d12098 100644
--- a/src/engine/platform/opll.cpp
+++ b/src/engine/platform/opll.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/opll.h b/src/engine/platform/opll.h
index 258113c4b..4e72936da 100644
--- a/src/engine/platform/opll.h
+++ b/src/engine/platform/opll.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/pce.cpp b/src/engine/platform/pce.cpp
index 4b29c336c..2ed98b36b 100644
--- a/src/engine/platform/pce.cpp
+++ b/src/engine/platform/pce.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/pce.h b/src/engine/platform/pce.h
index a687de1bf..fd4f81320 100644
--- a/src/engine/platform/pce.h
+++ b/src/engine/platform/pce.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/pcmdac.cpp b/src/engine/platform/pcmdac.cpp
index 2843f0797..935a795d0 100644
--- a/src/engine/platform/pcmdac.cpp
+++ b/src/engine/platform/pcmdac.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/pcmdac.h b/src/engine/platform/pcmdac.h
index 9224ccc7d..9de928ffe 100644
--- a/src/engine/platform/pcmdac.h
+++ b/src/engine/platform/pcmdac.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/pcspkr.cpp b/src/engine/platform/pcspkr.cpp
index 70c846f7c..9694b66c0 100644
--- a/src/engine/platform/pcspkr.cpp
+++ b/src/engine/platform/pcspkr.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/pcspkr.h b/src/engine/platform/pcspkr.h
index 554c0d074..23b3c0b49 100644
--- a/src/engine/platform/pcspkr.h
+++ b/src/engine/platform/pcspkr.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/pet.cpp b/src/engine/platform/pet.cpp
index b4399bcbc..4d085581e 100644
--- a/src/engine/platform/pet.cpp
+++ b/src/engine/platform/pet.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/pet.h b/src/engine/platform/pet.h
index 5942817c2..771d5cbb5 100644
--- a/src/engine/platform/pet.h
+++ b/src/engine/platform/pet.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/pokemini.cpp b/src/engine/platform/pokemini.cpp
index 9b543153c..aa8adc0d7 100644
--- a/src/engine/platform/pokemini.cpp
+++ b/src/engine/platform/pokemini.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/pokemini.h b/src/engine/platform/pokemini.h
index 80233eb42..4e14bf572 100644
--- a/src/engine/platform/pokemini.h
+++ b/src/engine/platform/pokemini.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/pokey.cpp b/src/engine/platform/pokey.cpp
index 8294d9dcc..ae4b311e1 100644
--- a/src/engine/platform/pokey.cpp
+++ b/src/engine/platform/pokey.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/pokey.h b/src/engine/platform/pokey.h
index 79206a745..f24ea56c8 100644
--- a/src/engine/platform/pokey.h
+++ b/src/engine/platform/pokey.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/pong.cpp b/src/engine/platform/pong.cpp
index 27fd76b38..7d478b83b 100644
--- a/src/engine/platform/pong.cpp
+++ b/src/engine/platform/pong.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/pong.h b/src/engine/platform/pong.h
index 8259b14cf..4fb13477c 100644
--- a/src/engine/platform/pong.h
+++ b/src/engine/platform/pong.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/qsound.cpp b/src/engine/platform/qsound.cpp
index cea8c41af..f73f85dab 100644
--- a/src/engine/platform/qsound.cpp
+++ b/src/engine/platform/qsound.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/qsound.h b/src/engine/platform/qsound.h
index c04514ed8..9c090f19c 100644
--- a/src/engine/platform/qsound.h
+++ b/src/engine/platform/qsound.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/rf5c68.cpp b/src/engine/platform/rf5c68.cpp
index e5484dc77..7301bb40c 100644
--- a/src/engine/platform/rf5c68.cpp
+++ b/src/engine/platform/rf5c68.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/rf5c68.h b/src/engine/platform/rf5c68.h
index 98fc1a759..94ced515e 100644
--- a/src/engine/platform/rf5c68.h
+++ b/src/engine/platform/rf5c68.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/saa.cpp b/src/engine/platform/saa.cpp
index 924bc73ac..d66692ddf 100644
--- a/src/engine/platform/saa.cpp
+++ b/src/engine/platform/saa.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/saa.h b/src/engine/platform/saa.h
index 97bdbc60b..43e3cc875 100644
--- a/src/engine/platform/saa.h
+++ b/src/engine/platform/saa.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/scc.cpp b/src/engine/platform/scc.cpp
index fcb55f257..e1fa7424f 100644
--- a/src/engine/platform/scc.cpp
+++ b/src/engine/platform/scc.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/scc.h b/src/engine/platform/scc.h
index 1c7364723..b8b892af3 100644
--- a/src/engine/platform/scc.h
+++ b/src/engine/platform/scc.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/segapcm.cpp b/src/engine/platform/segapcm.cpp
index 607e16421..91ba1000b 100644
--- a/src/engine/platform/segapcm.cpp
+++ b/src/engine/platform/segapcm.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/segapcm.h b/src/engine/platform/segapcm.h
index 2f91f03e3..a57c8084e 100644
--- a/src/engine/platform/segapcm.h
+++ b/src/engine/platform/segapcm.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/sms.cpp b/src/engine/platform/sms.cpp
index 8fcb3a396..6679eba25 100644
--- a/src/engine/platform/sms.cpp
+++ b/src/engine/platform/sms.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/sms.h b/src/engine/platform/sms.h
index 39d4a0947..a8bb42d6b 100644
--- a/src/engine/platform/sms.h
+++ b/src/engine/platform/sms.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/snes.cpp b/src/engine/platform/snes.cpp
index 6fb942d48..ead26a81b 100644
--- a/src/engine/platform/snes.cpp
+++ b/src/engine/platform/snes.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/snes.h b/src/engine/platform/snes.h
index 884c7d804..8783e61c3 100644
--- a/src/engine/platform/snes.h
+++ b/src/engine/platform/snes.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/su.cpp b/src/engine/platform/su.cpp
index 51b04e0e6..7a7addea8 100644
--- a/src/engine/platform/su.cpp
+++ b/src/engine/platform/su.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/su.h b/src/engine/platform/su.h
index 518edafa4..0102db03e 100644
--- a/src/engine/platform/su.h
+++ b/src/engine/platform/su.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/swan.cpp b/src/engine/platform/swan.cpp
index f99be75e3..4e0b83724 100644
--- a/src/engine/platform/swan.cpp
+++ b/src/engine/platform/swan.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/swan.h b/src/engine/platform/swan.h
index 10e769fc4..148856c06 100644
--- a/src/engine/platform/swan.h
+++ b/src/engine/platform/swan.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/t6w28.cpp b/src/engine/platform/t6w28.cpp
index e81d156f1..0d7b9223c 100644
--- a/src/engine/platform/t6w28.cpp
+++ b/src/engine/platform/t6w28.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/t6w28.h b/src/engine/platform/t6w28.h
index dd49d1b86..994a2fe66 100644
--- a/src/engine/platform/t6w28.h
+++ b/src/engine/platform/t6w28.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/tia.cpp b/src/engine/platform/tia.cpp
index 04a1432ab..7b29524ec 100644
--- a/src/engine/platform/tia.cpp
+++ b/src/engine/platform/tia.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/tia.h b/src/engine/platform/tia.h
index b4b867dc4..95ae99173 100644
--- a/src/engine/platform/tia.h
+++ b/src/engine/platform/tia.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/tx81z.cpp b/src/engine/platform/tx81z.cpp
index 09a75cac3..dcc4eb5f7 100644
--- a/src/engine/platform/tx81z.cpp
+++ b/src/engine/platform/tx81z.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/tx81z.h b/src/engine/platform/tx81z.h
index 928fa5464..e15158b7c 100644
--- a/src/engine/platform/tx81z.h
+++ b/src/engine/platform/tx81z.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/vb.cpp b/src/engine/platform/vb.cpp
index 374aebaaf..3701b5aa4 100644
--- a/src/engine/platform/vb.cpp
+++ b/src/engine/platform/vb.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/vb.h b/src/engine/platform/vb.h
index 7475c7453..09193f25b 100644
--- a/src/engine/platform/vb.h
+++ b/src/engine/platform/vb.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/vera.cpp b/src/engine/platform/vera.cpp
index 443381bb7..820f399a5 100644
--- a/src/engine/platform/vera.cpp
+++ b/src/engine/platform/vera.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/vera.h b/src/engine/platform/vera.h
index 762a32c87..8781dc953 100644
--- a/src/engine/platform/vera.h
+++ b/src/engine/platform/vera.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/vic20.cpp b/src/engine/platform/vic20.cpp
index 3a4e25721..253c4fb76 100644
--- a/src/engine/platform/vic20.cpp
+++ b/src/engine/platform/vic20.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/vic20.h b/src/engine/platform/vic20.h
index 3fc9fade5..1b8584a75 100644
--- a/src/engine/platform/vic20.h
+++ b/src/engine/platform/vic20.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/vrc6.cpp b/src/engine/platform/vrc6.cpp
index f798d6e8d..b08255d36 100644
--- a/src/engine/platform/vrc6.cpp
+++ b/src/engine/platform/vrc6.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/vrc6.h b/src/engine/platform/vrc6.h
index 5facd13a6..5688cb5c6 100644
--- a/src/engine/platform/vrc6.h
+++ b/src/engine/platform/vrc6.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/x1_010.cpp b/src/engine/platform/x1_010.cpp
index 5494a8719..091da9f1a 100644
--- a/src/engine/platform/x1_010.cpp
+++ b/src/engine/platform/x1_010.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/x1_010.h b/src/engine/platform/x1_010.h
index 6a5a1a9f1..a3af7b291 100644
--- a/src/engine/platform/x1_010.h
+++ b/src/engine/platform/x1_010.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/ym2203.cpp b/src/engine/platform/ym2203.cpp
index e161ac04e..d4d3cc7bd 100644
--- a/src/engine/platform/ym2203.cpp
+++ b/src/engine/platform/ym2203.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/ym2203.h b/src/engine/platform/ym2203.h
index 503f470b9..fb96a2b60 100644
--- a/src/engine/platform/ym2203.h
+++ b/src/engine/platform/ym2203.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/ym2203ext.cpp b/src/engine/platform/ym2203ext.cpp
index 87a887fc3..441ec7018 100644
--- a/src/engine/platform/ym2203ext.cpp
+++ b/src/engine/platform/ym2203ext.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/ym2203ext.h b/src/engine/platform/ym2203ext.h
index 79d92043e..731e2a202 100644
--- a/src/engine/platform/ym2203ext.h
+++ b/src/engine/platform/ym2203ext.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/ym2608.cpp b/src/engine/platform/ym2608.cpp
index 8b8a15ca3..b7f343144 100644
--- a/src/engine/platform/ym2608.cpp
+++ b/src/engine/platform/ym2608.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/ym2608.h b/src/engine/platform/ym2608.h
index f533497f9..fc850acf4 100644
--- a/src/engine/platform/ym2608.h
+++ b/src/engine/platform/ym2608.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/ym2608Interface.cpp b/src/engine/platform/ym2608Interface.cpp
index 242721f09..d357caa23 100644
--- a/src/engine/platform/ym2608Interface.cpp
+++ b/src/engine/platform/ym2608Interface.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/ym2608ext.cpp b/src/engine/platform/ym2608ext.cpp
index 2247b7759..3a56a167b 100644
--- a/src/engine/platform/ym2608ext.cpp
+++ b/src/engine/platform/ym2608ext.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/ym2608ext.h b/src/engine/platform/ym2608ext.h
index 160d855c3..c9348b48f 100644
--- a/src/engine/platform/ym2608ext.h
+++ b/src/engine/platform/ym2608ext.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/ym2610.cpp b/src/engine/platform/ym2610.cpp
index c0f4a3fdc..274742925 100644
--- a/src/engine/platform/ym2610.cpp
+++ b/src/engine/platform/ym2610.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/ym2610.h b/src/engine/platform/ym2610.h
index 3c95e2fb2..3805aa48a 100644
--- a/src/engine/platform/ym2610.h
+++ b/src/engine/platform/ym2610.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/ym2610Interface.cpp b/src/engine/platform/ym2610Interface.cpp
index 1b13b3743..916cab0ad 100644
--- a/src/engine/platform/ym2610Interface.cpp
+++ b/src/engine/platform/ym2610Interface.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/ym2610b.cpp b/src/engine/platform/ym2610b.cpp
index a2ba21fe4..4a19df859 100644
--- a/src/engine/platform/ym2610b.cpp
+++ b/src/engine/platform/ym2610b.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/ym2610b.h b/src/engine/platform/ym2610b.h
index 1e66b03f1..43c7af828 100644
--- a/src/engine/platform/ym2610b.h
+++ b/src/engine/platform/ym2610b.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/ym2610bext.cpp b/src/engine/platform/ym2610bext.cpp
index 8462e557f..0d113d052 100644
--- a/src/engine/platform/ym2610bext.cpp
+++ b/src/engine/platform/ym2610bext.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/ym2610bext.h b/src/engine/platform/ym2610bext.h
index fcec3bd77..b14ba99c4 100644
--- a/src/engine/platform/ym2610bext.h
+++ b/src/engine/platform/ym2610bext.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/ym2610ext.cpp b/src/engine/platform/ym2610ext.cpp
index dcf5b0997..e8a531dae 100644
--- a/src/engine/platform/ym2610ext.cpp
+++ b/src/engine/platform/ym2610ext.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/ym2610ext.h b/src/engine/platform/ym2610ext.h
index 0cf0bf112..2ce887c36 100644
--- a/src/engine/platform/ym2610ext.h
+++ b/src/engine/platform/ym2610ext.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/ym2610shared.h b/src/engine/platform/ym2610shared.h
index 517186999..d35c5fce8 100644
--- a/src/engine/platform/ym2610shared.h
+++ b/src/engine/platform/ym2610shared.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/ymz280b.cpp b/src/engine/platform/ymz280b.cpp
index a5fdf10bd..e10dda43f 100644
--- a/src/engine/platform/ymz280b.cpp
+++ b/src/engine/platform/ymz280b.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/ymz280b.h b/src/engine/platform/ymz280b.h
index 78ea544ba..3fb4a7dc6 100644
--- a/src/engine/platform/ymz280b.h
+++ b/src/engine/platform/ymz280b.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/zxbeeper.cpp b/src/engine/platform/zxbeeper.cpp
index f8762c7f2..047dc2cb5 100644
--- a/src/engine/platform/zxbeeper.cpp
+++ b/src/engine/platform/zxbeeper.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/platform/zxbeeper.h b/src/engine/platform/zxbeeper.h
index a9b3594c3..3e120354b 100644
--- a/src/engine/platform/zxbeeper.h
+++ b/src/engine/platform/zxbeeper.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/playback.cpp b/src/engine/playback.cpp
index 88a115a33..cc231817a 100644
--- a/src/engine/playback.cpp
+++ b/src/engine/playback.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/safeReader.cpp b/src/engine/safeReader.cpp
index 428c91502..cf2effbec 100644
--- a/src/engine/safeReader.cpp
+++ b/src/engine/safeReader.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/safeReader.h b/src/engine/safeReader.h
index 1f7149834..9e85eeee8 100644
--- a/src/engine/safeReader.h
+++ b/src/engine/safeReader.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/safeWriter.cpp b/src/engine/safeWriter.cpp
index 5af7fa09d..a0c295d30 100644
--- a/src/engine/safeWriter.cpp
+++ b/src/engine/safeWriter.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/safeWriter.h b/src/engine/safeWriter.h
index 414417fd2..28a3d9b91 100644
--- a/src/engine/safeWriter.h
+++ b/src/engine/safeWriter.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/sample.cpp b/src/engine/sample.cpp
index 5df46fab1..f882a3d0c 100644
--- a/src/engine/sample.cpp
+++ b/src/engine/sample.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/sample.h b/src/engine/sample.h
index 42f202fc4..35eda8c5e 100644
--- a/src/engine/sample.h
+++ b/src/engine/sample.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/sfWrapper.cpp b/src/engine/sfWrapper.cpp
index f12dc95be..62ddf949f 100644
--- a/src/engine/sfWrapper.cpp
+++ b/src/engine/sfWrapper.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/sfWrapper.h b/src/engine/sfWrapper.h
index 6e984a454..e4746b530 100644
--- a/src/engine/sfWrapper.h
+++ b/src/engine/sfWrapper.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/song.cpp b/src/engine/song.cpp
index 7dc136836..828f0a1bc 100644
--- a/src/engine/song.cpp
+++ b/src/engine/song.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/song.h b/src/engine/song.h
index 61083c185..6aaec7c12 100644
--- a/src/engine/song.h
+++ b/src/engine/song.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/sysDef.cpp b/src/engine/sysDef.cpp
index da899ae87..d939c30bf 100644
--- a/src/engine/sysDef.cpp
+++ b/src/engine/sysDef.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/vgmOps.cpp b/src/engine/vgmOps.cpp
index 6e48feb93..2bb53d42d 100644
--- a/src/engine/vgmOps.cpp
+++ b/src/engine/vgmOps.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/waveSynth.cpp b/src/engine/waveSynth.cpp
index e68e36751..757c2c7eb 100644
--- a/src/engine/waveSynth.cpp
+++ b/src/engine/waveSynth.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/waveSynth.h b/src/engine/waveSynth.h
index 26f5b259b..81a3cbe19 100644
--- a/src/engine/waveSynth.h
+++ b/src/engine/waveSynth.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/wavetable.cpp b/src/engine/wavetable.cpp
index 608b0e89d..a14c28bbe 100644
--- a/src/engine/wavetable.cpp
+++ b/src/engine/wavetable.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/wavetable.h b/src/engine/wavetable.h
index 0f518ab53..52405082e 100644
--- a/src/engine/wavetable.h
+++ b/src/engine/wavetable.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/winStuff.cpp b/src/engine/winStuff.cpp
index 79065e88b..4452a5143 100644
--- a/src/engine/winStuff.cpp
+++ b/src/engine/winStuff.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/winStuff.h b/src/engine/winStuff.h
index 0e49bccd3..a569f6a09 100644
--- a/src/engine/winStuff.h
+++ b/src/engine/winStuff.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/zsm.cpp b/src/engine/zsm.cpp
index 89eb01496..5fdcd6236 100644
--- a/src/engine/zsm.cpp
+++ b/src/engine/zsm.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/zsm.h b/src/engine/zsm.h
index af0979e7c..b452171f8 100644
--- a/src/engine/zsm.h
+++ b/src/engine/zsm.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/engine/zsmOps.cpp b/src/engine/zsmOps.cpp
index f5fa83090..0207a93d9 100644
--- a/src/engine/zsmOps.cpp
+++ b/src/engine/zsmOps.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/fileutils.cpp b/src/fileutils.cpp
index d2574ee1b..a58f92a0a 100644
--- a/src/fileutils.cpp
+++ b/src/fileutils.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/fileutils.h b/src/fileutils.h
index ea4afabc2..ded2bfb41 100644
--- a/src/fileutils.h
+++ b/src/fileutils.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/about.cpp b/src/gui/about.cpp
index 368353cb1..94b3c0f00 100644
--- a/src/gui/about.cpp
+++ b/src/gui/about.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
@@ -174,7 +174,7 @@ const char* aboutLine[]={
   "NEOART Costa Rica",
   "all members of Deflers of Noice!",
   "",
-  "copyright © 2021-2022 tildearrow",
+  "copyright © 2021-2023 tildearrow",
   "(and contributors).",
   "licensed under GPLv2+! see",
   "LICENSE for more information.",
diff --git a/src/gui/actionUtil.h b/src/gui/actionUtil.h
index 81685af48..51fffa002 100644
--- a/src/gui/actionUtil.h
+++ b/src/gui/actionUtil.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/chanOsc.cpp b/src/gui/chanOsc.cpp
index 7b0f8a027..7bcece959 100644
--- a/src/gui/chanOsc.cpp
+++ b/src/gui/chanOsc.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/channels.cpp b/src/gui/channels.cpp
index e61138851..48d5ed8cb 100644
--- a/src/gui/channels.cpp
+++ b/src/gui/channels.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/clock.cpp b/src/gui/clock.cpp
index e8450d10a..5db890558 100644
--- a/src/gui/clock.cpp
+++ b/src/gui/clock.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/compatFlags.cpp b/src/gui/compatFlags.cpp
index 7a9fd962a..10fbb57c0 100644
--- a/src/gui/compatFlags.cpp
+++ b/src/gui/compatFlags.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/cursor.cpp b/src/gui/cursor.cpp
index 88d50d2b8..c3745d616 100644
--- a/src/gui/cursor.cpp
+++ b/src/gui/cursor.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/dataList.cpp b/src/gui/dataList.cpp
index 46b10800d..8edde40d1 100644
--- a/src/gui/dataList.cpp
+++ b/src/gui/dataList.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/debug.cpp b/src/gui/debug.cpp
index 5a6123823..c9093188c 100644
--- a/src/gui/debug.cpp
+++ b/src/gui/debug.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/debug.h b/src/gui/debug.h
index e3c911a84..4ec4cd87c 100644
--- a/src/gui/debug.h
+++ b/src/gui/debug.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/debugWindow.cpp b/src/gui/debugWindow.cpp
index 2149bfaf2..c07c000bb 100644
--- a/src/gui/debugWindow.cpp
+++ b/src/gui/debugWindow.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/doAction.cpp b/src/gui/doAction.cpp
index 2b3a27497..b857b17cf 100644
--- a/src/gui/doAction.cpp
+++ b/src/gui/doAction.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/editControls.cpp b/src/gui/editControls.cpp
index 6730fbb94..e8968e698 100644
--- a/src/gui/editControls.cpp
+++ b/src/gui/editControls.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/editing.cpp b/src/gui/editing.cpp
index f18efece3..556557a92 100644
--- a/src/gui/editing.cpp
+++ b/src/gui/editing.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/findReplace.cpp b/src/gui/findReplace.cpp
index e66108cfc..60b6c899b 100644
--- a/src/gui/findReplace.cpp
+++ b/src/gui/findReplace.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/fonts.cpp b/src/gui/fonts.cpp
index ee2e4f1b8..4ab0f6a4c 100644
--- a/src/gui/fonts.cpp
+++ b/src/gui/fonts.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/fonts.h b/src/gui/fonts.h
index a0a42d251..baaf1e594 100644
--- a/src/gui/fonts.h
+++ b/src/gui/fonts.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/gradient.cpp b/src/gui/gradient.cpp
index e4af10b57..a36768ead 100644
--- a/src/gui/gradient.cpp
+++ b/src/gui/gradient.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index e07167320..6c62e9611 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -2,7 +2,7 @@
 // OK, sorry for inserting the define here but I'm so tired of this extension
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/gui.h b/src/gui/gui.h
index 57f4b303f..5cb28b8f1 100644
--- a/src/gui/gui.h
+++ b/src/gui/gui.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/guiConst.cpp b/src/gui/guiConst.cpp
index d19070fdd..8d0ece3a3 100644
--- a/src/gui/guiConst.cpp
+++ b/src/gui/guiConst.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/guiConst.h b/src/gui/guiConst.h
index cb5eb5408..845154305 100644
--- a/src/gui/guiConst.h
+++ b/src/gui/guiConst.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/icon.c b/src/gui/icon.c
index bae81ab7c..80429eb6b 100644
--- a/src/gui/icon.c
+++ b/src/gui/icon.c
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/icon.h b/src/gui/icon.h
index 43135be86..6e866f25f 100644
--- a/src/gui/icon.h
+++ b/src/gui/icon.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/insEdit.cpp b/src/gui/insEdit.cpp
index 76424e845..4e4941efb 100644
--- a/src/gui/insEdit.cpp
+++ b/src/gui/insEdit.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/intConst.cpp b/src/gui/intConst.cpp
index 9a41486e1..167fdd7e8 100644
--- a/src/gui/intConst.cpp
+++ b/src/gui/intConst.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/intConst.h b/src/gui/intConst.h
index ff11a4968..082f421a7 100644
--- a/src/gui/intConst.h
+++ b/src/gui/intConst.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/log.cpp b/src/gui/log.cpp
index 0419b6a7d..0dc56e5de 100644
--- a/src/gui/log.cpp
+++ b/src/gui/log.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/macstuff.h b/src/gui/macstuff.h
index 73ca0c47f..76afff169 100644
--- a/src/gui/macstuff.h
+++ b/src/gui/macstuff.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/mixer.cpp b/src/gui/mixer.cpp
index c9aa96b80..35c083f28 100644
--- a/src/gui/mixer.cpp
+++ b/src/gui/mixer.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/newSong.cpp b/src/gui/newSong.cpp
index 0df3a2538..8fdafeb9b 100644
--- a/src/gui/newSong.cpp
+++ b/src/gui/newSong.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/orders.cpp b/src/gui/orders.cpp
index f3349d71d..914217787 100644
--- a/src/gui/orders.cpp
+++ b/src/gui/orders.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/osc.cpp b/src/gui/osc.cpp
index 7f4142211..f04587c8b 100644
--- a/src/gui/osc.cpp
+++ b/src/gui/osc.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/patManager.cpp b/src/gui/patManager.cpp
index 161a42cb2..6f5e3205b 100644
--- a/src/gui/patManager.cpp
+++ b/src/gui/patManager.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/pattern.cpp b/src/gui/pattern.cpp
index 8ce95852b..141afb2b2 100644
--- a/src/gui/pattern.cpp
+++ b/src/gui/pattern.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/piano.cpp b/src/gui/piano.cpp
index d999d7fd2..fe451c3f7 100644
--- a/src/gui/piano.cpp
+++ b/src/gui/piano.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/plot_nolerp.cpp b/src/gui/plot_nolerp.cpp
index 12bfb9fca..2fd7994bc 100644
--- a/src/gui/plot_nolerp.cpp
+++ b/src/gui/plot_nolerp.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/plot_nolerp.h b/src/gui/plot_nolerp.h
index 48332b339..50334dda6 100644
--- a/src/gui/plot_nolerp.h
+++ b/src/gui/plot_nolerp.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/presets.cpp b/src/gui/presets.cpp
index 921fa88ac..fe4d2b98d 100644
--- a/src/gui/presets.cpp
+++ b/src/gui/presets.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/regView.cpp b/src/gui/regView.cpp
index 8b2176eb2..729f17c6e 100644
--- a/src/gui/regView.cpp
+++ b/src/gui/regView.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/sampleEdit.cpp b/src/gui/sampleEdit.cpp
index a8631b2ac..115223cc8 100644
--- a/src/gui/sampleEdit.cpp
+++ b/src/gui/sampleEdit.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/sampleUtil.h b/src/gui/sampleUtil.h
index 187f5ebf6..bdef166f4 100644
--- a/src/gui/sampleUtil.h
+++ b/src/gui/sampleUtil.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/scaling.cpp b/src/gui/scaling.cpp
index 1b8cfae35..e3d8d6f80 100644
--- a/src/gui/scaling.cpp
+++ b/src/gui/scaling.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/scaling.h b/src/gui/scaling.h
index ce1a364a6..60710a34f 100644
--- a/src/gui/scaling.h
+++ b/src/gui/scaling.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/settings.cpp b/src/gui/settings.cpp
index 7e4d809b3..43adfc85a 100644
--- a/src/gui/settings.cpp
+++ b/src/gui/settings.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/songInfo.cpp b/src/gui/songInfo.cpp
index e20468575..fc25d63e3 100644
--- a/src/gui/songInfo.cpp
+++ b/src/gui/songInfo.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/songNotes.cpp b/src/gui/songNotes.cpp
index eb63cbf3a..d0218f7bf 100644
--- a/src/gui/songNotes.cpp
+++ b/src/gui/songNotes.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/spoiler.cpp b/src/gui/spoiler.cpp
index dc64b14ce..05e6d0ead 100644
--- a/src/gui/spoiler.cpp
+++ b/src/gui/spoiler.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/stats.cpp b/src/gui/stats.cpp
index 636ecd529..33e7029c1 100644
--- a/src/gui/stats.cpp
+++ b/src/gui/stats.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/sysConf.cpp b/src/gui/sysConf.cpp
index b33aff8a5..d90264502 100644
--- a/src/gui/sysConf.cpp
+++ b/src/gui/sysConf.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/sysManager.cpp b/src/gui/sysManager.cpp
index dda5ed963..7a214beca 100644
--- a/src/gui/sysManager.cpp
+++ b/src/gui/sysManager.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/sysPicker.cpp b/src/gui/sysPicker.cpp
index f59e547ad..8607de05d 100644
--- a/src/gui/sysPicker.cpp
+++ b/src/gui/sysPicker.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/util.cpp b/src/gui/util.cpp
index 3998f2bb4..80ed73781 100644
--- a/src/gui/util.cpp
+++ b/src/gui/util.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/util.h b/src/gui/util.h
index 8071884b8..6dd2c3a6f 100644
--- a/src/gui/util.h
+++ b/src/gui/util.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/volMeter.cpp b/src/gui/volMeter.cpp
index f050341dd..a4cf11d7e 100644
--- a/src/gui/volMeter.cpp
+++ b/src/gui/volMeter.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/gui/waveEdit.cpp b/src/gui/waveEdit.cpp
index fcc10bd03..cecc3635e 100644
--- a/src/gui/waveEdit.cpp
+++ b/src/gui/waveEdit.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/log.cpp b/src/log.cpp
index 8fec13189..5f24269d8 100644
--- a/src/log.cpp
+++ b/src/log.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/main.cpp b/src/main.cpp
index ef335a223..094e5b93e 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
@@ -152,7 +152,7 @@ TAParamResult pLogLevel(String val) {
 
 TAParamResult pVersion(String) {
   printf("Furnace version " DIV_VERSION ".\n\n");
-  printf("copyright (C) 2021-2022 tildearrow and contributors.\n");
+  printf("copyright (C) 2021-2023 tildearrow and contributors.\n");
   printf("licensed under the GNU General Public License version 2 or later\n");
   printf("<https://www.gnu.org/licenses/old-licenses/gpl-2.0.html>.\n\n");
   printf("this is free software with ABSOLUTELY NO WARRANTY.\n");
diff --git a/src/ta-log.h b/src/ta-log.h
index 160201e03..d36f5da7d 100644
--- a/src/ta-log.h
+++ b/src/ta-log.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/ta-utils.h b/src/ta-utils.h
index feddbc1e9..f0c896d00 100644
--- a/src/ta-utils.h
+++ b/src/ta-utils.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/utfutils.cpp b/src/utfutils.cpp
index 4c727777b..889b9a9bd 100644
--- a/src/utfutils.cpp
+++ b/src/utfutils.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/utfutils.h b/src/utfutils.h
index 76c894708..e55aa07ab 100644
--- a/src/utfutils.h
+++ b/src/utfutils.h
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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
diff --git a/src/winMain.cpp b/src/winMain.cpp
index 853b11530..85dd27770 100644
--- a/src/winMain.cpp
+++ b/src/winMain.cpp
@@ -1,6 +1,6 @@
 /**
  * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2022 tildearrow and contributors
+ * 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

From 7fbc18853202d59c1757a53bbba2c9fc7c0249b7 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Thu, 19 Jan 2023 19:20:04 -0500
Subject: [PATCH 11/29] aaaaaaa

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 36b530ac6..baabcd03c 100644
--- a/README.md
+++ b/README.md
@@ -306,4 +306,4 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY
 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.
 
 
-despite the fact this program works with the .dmf file format, it is NOT affiliated with Delek or DefleMask in any way, nor it is a replacement for the original program.
+despite the fact this program works with the .dmf, .dmp and .dmw file formats (besides its native .fur format), it is NOT affiliated with Delek or DefleMask in any way, nor it is a replacement for the original program.

From c0d1fe9c65d9c9cc4a965e75ac73a7697ea8f2c1 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Fri, 20 Jan 2023 04:28:18 -0500
Subject: [PATCH 12/29] OPM/OPZ: new hard reset strat

also fix weird envelope after hard reset
---
 src/engine/platform/arcade.cpp  | 64 +++++++++++++++++++++------------
 src/engine/platform/genesis.cpp |  7 +++-
 src/engine/platform/tx81z.cpp   | 64 ++++++++++++++++++++-------------
 src/engine/platform/ym2203.cpp  |  8 ++++-
 src/engine/platform/ym2608.cpp  |  8 ++++-
 src/engine/platform/ym2610.cpp  |  8 ++++-
 src/engine/platform/ym2610b.cpp |  8 ++++-
 7 files changed, 116 insertions(+), 51 deletions(-)

diff --git a/src/engine/platform/arcade.cpp b/src/engine/platform/arcade.cpp
index 20d844a3d..e417c3131 100644
--- a/src/engine/platform/arcade.cpp
+++ b/src/engine/platform/arcade.cpp
@@ -319,27 +319,6 @@ void DivPlatformArcade::tick(bool sysTick) {
         rWrite(baseAddr+ADDR_DT2_D2R,(op.d2r&31)|(op.dt2<<6));
       }
     }
-    if (chan[i].keyOn || chan[i].keyOff) {
-      if (chan[i].hardReset && chan[i].keyOn) {
-        for (int j=0; j<4; j++) {
-          unsigned short baseAddr=chanOffs[i]|opOffs[j];
-          immWrite(baseAddr+ADDR_SL_RR,0x0f);
-          immWrite(baseAddr+ADDR_TL,0x7f);
-          oldWrites[baseAddr+ADDR_SL_RR]=-1;
-          oldWrites[baseAddr+ADDR_TL]=-1;
-        }
-      }
-      immWrite(0x08,i);
-      if (chan[i].hardReset && chan[i].keyOn) {
-        for (int j=0; j<4; j++) {
-          unsigned short baseAddr=chanOffs[i]|opOffs[j];
-          for (int k=0; k<9; k++) {
-            immWrite(baseAddr+ADDR_SL_RR,0x0f);
-          }
-        }
-      }
-      chan[i].keyOff=false;
-    }
   }
 
   for (int i=0; i<256; i++) {
@@ -349,6 +328,24 @@ void DivPlatformArcade::tick(bool sysTick) {
     }
   }
 
+  int hardResetElapsed=0;
+  bool mustHardReset=false;
+
+  for (int i=0; i<8; i++) {
+    if (chan[i].keyOn || chan[i].keyOff) {
+      immWrite(0x08,i);
+      if (chan[i].hardReset && chan[i].keyOn) {
+        mustHardReset=true;
+        for (int j=0; j<4; j++) {
+          unsigned short baseAddr=chanOffs[i]|opOffs[j];
+          immWrite(baseAddr+ADDR_SL_RR,0x0f);
+          hardResetElapsed++;
+        }
+      }
+      chan[i].keyOff=false;
+    }
+  }
+
   for (int i=0; i<8; i++) {
     if (chan[i].freqChanged) {
       chan[i].freq=chan[i].baseFreq+(chan[i].pitch>>1)-64+chan[i].pitch2;
@@ -363,14 +360,37 @@ void DivPlatformArcade::tick(bool sysTick) {
       if (chan[i].freq>=(95<<6)) chan[i].freq=(95<<6)-1;
       immWrite(i+0x28,hScale(chan[i].freq>>6));
       immWrite(i+0x30,chan[i].freq<<2);
+      hardResetElapsed+=2;
       chan[i].freqChanged=false;
     }
-    if (chan[i].keyOn || chan[i].opMaskChanged) {
+    if ((chan[i].keyOn || chan[i].opMaskChanged) && !chan[i].hardReset) {
       immWrite(0x08,(chan[i].opMask<<3)|i);
+      hardResetElapsed++;
       chan[i].opMaskChanged=false;
       chan[i].keyOn=false;
     }
   }
+
+  // hard reset handling
+  if (mustHardReset) {
+    for (unsigned int i=hardResetElapsed; i<hardResetCycles; i++) {
+      immWrite(0x1f,i&0xff);
+    }
+    for (int i=0; i<8; i++) {
+      if ((chan[i].keyOn || chan[i].opMaskChanged) && chan[i].hardReset) {
+        // restore SL/RR
+        for (int j=0; j<4; j++) {
+          unsigned short baseAddr=chanOffs[i]|opOffs[j];
+          DivInstrumentFM::Operator& op=chan[i].state.op[j];
+          immWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
+        }
+
+        immWrite(0x08,(chan[i].opMask<<3)|i);
+        chan[i].opMaskChanged=false;
+        chan[i].keyOn=false;
+      }
+    }
+  }
 }
 
 void DivPlatformArcade::muteChannel(int ch, bool mute) {
diff --git a/src/engine/platform/genesis.cpp b/src/engine/platform/genesis.cpp
index bd2401f60..777fbc6d0 100644
--- a/src/engine/platform/genesis.cpp
+++ b/src/engine/platform/genesis.cpp
@@ -483,7 +483,6 @@ void DivPlatformGenesis::tick(bool sysTick) {
         mustHardReset=true;
         for (int j=0; j<4; j++) {
           unsigned short baseAddr=chanOffs[i]|opOffs[j];
-          oldWrites[baseAddr+ADDR_SL_RR]=-1;
           immWrite(baseAddr+ADDR_SL_RR,0x0f);
           hardResetElapsed++;
         }
@@ -552,6 +551,12 @@ void DivPlatformGenesis::tick(bool sysTick) {
       if (i==2 && extMode) continue;
       if ((chan[i].keyOn || chan[i].opMaskChanged) && chan[i].hardReset) {
         if (i<6) {
+          // restore SL/RR
+          for (int j=0; j<4; j++) {
+            unsigned short baseAddr=chanOffs[i]|opOffs[j];
+            DivInstrumentFM::Operator& op=chan[i].state.op[j];
+            immWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
+          }
           immWrite(0x28,(chan[i].opMask<<4)|konOffs[i]);
         }
         chan[i].opMaskChanged=false;
diff --git a/src/engine/platform/tx81z.cpp b/src/engine/platform/tx81z.cpp
index dcc4eb5f7..db728489e 100644
--- a/src/engine/platform/tx81z.cpp
+++ b/src/engine/platform/tx81z.cpp
@@ -266,28 +266,6 @@ void DivPlatformTX81Z::tick(bool sysTick) {
         rWrite(baseAddr+ADDR_DT2_D2R,(op.d2r&31)|(op.dt2<<6));
       }
     }
-    if (chan[i].keyOn || chan[i].keyOff) {
-      if (chan[i].hardReset && chan[i].keyOn) {
-        for (int j=0; j<4; j++) {
-          unsigned short baseAddr=chanOffs[i]|opOffs[j];
-          immWrite(baseAddr+ADDR_SL_RR,0x0f);
-          immWrite(baseAddr+ADDR_TL,0x7f);
-          oldWrites[baseAddr+ADDR_SL_RR]=-1;
-          oldWrites[baseAddr+ADDR_TL]=-1;
-        }
-      }
-      //if (chan[i].keyOn) immWrite(0x08,i);
-      immWrite(chanOffs[i]+ADDR_LR_FB_ALG,(chan[i].state.alg&7)|(chan[i].state.fb<<3)|0x00|(chan[i].chVolR<<7));
-      if (chan[i].hardReset && chan[i].keyOn) {
-        for (int j=0; j<4; j++) {
-          unsigned short baseAddr=chanOffs[i]|opOffs[j];
-          for (int k=0; k<9; k++) {
-            immWrite(baseAddr+ADDR_SL_RR,0x0f);
-          }
-        }
-      }
-      chan[i].keyOff=false;
-    }
   }
 
   for (int i=0; i<256; i++) {
@@ -309,6 +287,24 @@ void DivPlatformTX81Z::tick(bool sysTick) {
     }
   }
 
+  int hardResetElapsed=0;
+  bool mustHardReset=false;
+
+  for (int i=0; i<8; i++) {
+    if (chan[i].keyOn || chan[i].keyOff) {
+      immWrite(chanOffs[i]+ADDR_LR_FB_ALG,(chan[i].state.alg&7)|(chan[i].state.fb<<3)|0x00|(chan[i].chVolR<<7));
+      if (chan[i].hardReset && chan[i].keyOn) {
+        mustHardReset=true;
+        for (int j=0; j<4; j++) {
+          unsigned short baseAddr=chanOffs[i]|opOffs[j];
+          immWrite(baseAddr+ADDR_SL_RR,0x0f);
+          hardResetElapsed++;
+        }
+      }
+      chan[i].keyOff=false;
+    }
+  }
+
   for (int i=0; i<8; i++) {
     if (chan[i].freqChanged) {
       chan[i].freq=chan[i].baseFreq+(chan[i].pitch>>1)-64+chan[i].pitch2;
@@ -323,14 +319,34 @@ void DivPlatformTX81Z::tick(bool sysTick) {
       if (chan[i].freq>=(95<<6)) chan[i].freq=(95<<6)-1;
       immWrite(i+0x28,hScale(chan[i].freq>>6));
       immWrite(i+0x30,(chan[i].freq<<2)|(chan[i].chVolL==chan[i].chVolR));
+      hardResetElapsed+=2;
       chan[i].freqChanged=false;
     }
-    if (chan[i].keyOn) {
-      //immWrite(0x08,i);
+    if (chan[i].keyOn && !chan[i].hardReset) {
       immWrite(chanOffs[i]+ADDR_LR_FB_ALG,(chan[i].state.alg&7)|(chan[i].state.fb<<3)|0x40|(chan[i].chVolR<<7));
       chan[i].keyOn=false;
     }
   }
+
+  // hard reset handling
+  if (mustHardReset) {
+    for (unsigned int i=hardResetElapsed; i<hardResetCycles; i++) {
+      immWrite(0x1f,i&0xff);
+    }
+    for (int i=0; i<8; i++) {
+      if (chan[i].keyOn && chan[i].hardReset) {
+        // restore SL/RR
+        for (int j=0; j<4; j++) {
+          unsigned short baseAddr=chanOffs[i]|opOffs[j];
+          DivInstrumentFM::Operator& op=chan[i].state.op[j];
+          immWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
+        }
+
+        immWrite(chanOffs[i]+ADDR_LR_FB_ALG,(chan[i].state.alg&7)|(chan[i].state.fb<<3)|0x40|(chan[i].chVolR<<7));
+        chan[i].keyOn=false;
+      }
+    }
+  }
 }
 
 void DivPlatformTX81Z::muteChannel(int ch, bool mute) {
diff --git a/src/engine/platform/ym2203.cpp b/src/engine/platform/ym2203.cpp
index d4d3cc7bd..216a24186 100644
--- a/src/engine/platform/ym2203.cpp
+++ b/src/engine/platform/ym2203.cpp
@@ -431,7 +431,6 @@ void DivPlatformYM2203::tick(bool sysTick) {
         mustHardReset=true;
         for (int j=0; j<4; j++) {
           unsigned short baseAddr=chanOffs[i]|opOffs[j];
-          oldWrites[baseAddr+ADDR_SL_RR]=-1;
           immWrite(baseAddr+ADDR_SL_RR,0x0f);
           hardResetElapsed++;
         }
@@ -480,6 +479,13 @@ void DivPlatformYM2203::tick(bool sysTick) {
     for (int i=0; i<3; i++) {
       if (i==2 && extMode) continue;
       if ((chan[i].keyOn || chan[i].opMaskChanged) && chan[i].hardReset) {
+        // restore SL/RR
+        for (int j=0; j<4; j++) {
+          unsigned short baseAddr=chanOffs[i]|opOffs[j];
+          DivInstrumentFM::Operator& op=chan[i].state.op[j];
+          immWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
+        }
+        
         immWrite(0x28,(chan[i].opMask<<4)|konOffs[i]);
         chan[i].opMaskChanged=false;
         chan[i].keyOn=false;
diff --git a/src/engine/platform/ym2608.cpp b/src/engine/platform/ym2608.cpp
index b7f343144..52301d3ec 100644
--- a/src/engine/platform/ym2608.cpp
+++ b/src/engine/platform/ym2608.cpp
@@ -626,7 +626,6 @@ void DivPlatformYM2608::tick(bool sysTick) {
         mustHardReset=true;
         for (int j=0; j<4; j++) {
           unsigned short baseAddr=chanOffs[i]|opOffs[j];
-          oldWrites[baseAddr+ADDR_SL_RR]=-1;
           immWrite(baseAddr+ADDR_SL_RR,0x0f);
           hardResetElapsed++;
         }
@@ -807,6 +806,13 @@ void DivPlatformYM2608::tick(bool sysTick) {
     for (int i=0; i<6; i++) {
       if (i==2 && extMode) continue;
       if ((chan[i].keyOn || chan[i].opMaskChanged) && chan[i].hardReset) {
+        // restore SL/RR
+        for (int j=0; j<4; j++) {
+          unsigned short baseAddr=chanOffs[i]|opOffs[j];
+          DivInstrumentFM::Operator& op=chan[i].state.op[j];
+          immWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
+        }
+        
         immWrite(0x28,(chan[i].opMask<<4)|konOffs[i]);
         chan[i].opMaskChanged=false;
         chan[i].keyOn=false;
diff --git a/src/engine/platform/ym2610.cpp b/src/engine/platform/ym2610.cpp
index 274742925..2263acc7b 100644
--- a/src/engine/platform/ym2610.cpp
+++ b/src/engine/platform/ym2610.cpp
@@ -559,7 +559,6 @@ void DivPlatformYM2610::tick(bool sysTick) {
         mustHardReset=true;
         for (int j=0; j<4; j++) {
           unsigned short baseAddr=chanOffs[i]|opOffs[j];
-          oldWrites[baseAddr+ADDR_SL_RR]=-1;
           immWrite(baseAddr+ADDR_SL_RR,0x0f);
           hardResetElapsed++;
         }
@@ -740,6 +739,13 @@ void DivPlatformYM2610::tick(bool sysTick) {
     for (int i=0; i<psgChanOffs; i++) {
       if (i==1 && extMode) continue;
       if ((chan[i].keyOn || chan[i].opMaskChanged) && chan[i].hardReset) {
+        // restore SL/RR
+        for (int j=0; j<4; j++) {
+          unsigned short baseAddr=chanOffs[i]|opOffs[j];
+          DivInstrumentFM::Operator& op=chan[i].state.op[j];
+          immWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
+        }
+        
         immWrite(0x28,(chan[i].opMask<<4)|konOffs[i]);
         chan[i].opMaskChanged=false;
         chan[i].keyOn=false;
diff --git a/src/engine/platform/ym2610b.cpp b/src/engine/platform/ym2610b.cpp
index 4a19df859..ddba18690 100644
--- a/src/engine/platform/ym2610b.cpp
+++ b/src/engine/platform/ym2610b.cpp
@@ -626,7 +626,6 @@ void DivPlatformYM2610B::tick(bool sysTick) {
         mustHardReset=true;
         for (int j=0; j<4; j++) {
           unsigned short baseAddr=chanOffs[i]|opOffs[j];
-          oldWrites[baseAddr+ADDR_SL_RR]=-1;
           immWrite(baseAddr+ADDR_SL_RR,0x0f);
           hardResetElapsed++;
         }
@@ -807,6 +806,13 @@ void DivPlatformYM2610B::tick(bool sysTick) {
     for (int i=0; i<psgChanOffs; i++) {
       if (i==2 && extMode) continue;
       if ((chan[i].keyOn || chan[i].opMaskChanged) && chan[i].hardReset) {
+        // restore SL/RR
+        for (int j=0; j<4; j++) {
+          unsigned short baseAddr=chanOffs[i]|opOffs[j];
+          DivInstrumentFM::Operator& op=chan[i].state.op[j];
+          immWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
+        }
+        
         immWrite(0x28,(chan[i].opMask<<4)|konOffs[i]);
         chan[i].opMaskChanged=false;
         chan[i].keyOn=false;

From 7bdda990e1605f9e5ff9c95c68313b3088aabfa4 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Fri, 20 Jan 2023 04:52:27 -0500
Subject: [PATCH 13/29] OPL: partially implement new hard reset

it's so late
---
 src/engine/platform/opl.cpp | 95 ++++++++++++++++++++++++++-----------
 1 file changed, 66 insertions(+), 29 deletions(-)

diff --git a/src/engine/platform/opl.cpp b/src/engine/platform/opl.cpp
index a60b59dab..afaba9f94 100644
--- a/src/engine/platform/opl.cpp
+++ b/src/engine/platform/opl.cpp
@@ -446,35 +446,34 @@ void DivPlatformOPL::tick(bool sysTick) {
         }
       }
     }
+  }
 
-    if (i<melodicChans) {
-      if (chan[i].hardReset && chan[i].keyOn) {
-        for (int j=0; j<ops; j++) {
-          unsigned char slot=slots[j][i];
-          if (slot==255) continue;
-          unsigned short baseAddr=slotMap[slot];
-          DivInstrumentFM::Operator& op=chan[i].state.op[(ops==4)?orderedOpsL[j]:j];
-          immWrite(baseAddr+ADDR_SL_RR,0x0f);
-          immWrite(baseAddr+ADDR_KSL_TL,63|(op.ksl<<6));
-          oldWrites[baseAddr+ADDR_SL_RR]=-1;
-          oldWrites[baseAddr+ADDR_KSL_TL]=-1;
-        }
-      }
-      if (chan[i].keyOn || chan[i].keyOff) {
-        immWrite(chanMap[i]+ADDR_FREQH,0x00|(chan[i].freqH&31));
-        chan[i].keyOff=false;
-      }
-      if (chan[i].hardReset && chan[i].keyOn) {
-        for (int j=0; j<ops; j++) {
-          unsigned char slot=slots[j][i];
-          if (slot==255) continue;
-          unsigned short baseAddr=slotMap[slot];
-          DivInstrumentFM::Operator& op=chan[i].state.op[(ops==4)?orderedOpsL[j]:j];
-          for (int k=0; k<5; k++) {
-            immWrite(baseAddr+ADDR_SL_RR,0x0f);
-            immWrite(baseAddr+ADDR_KSL_TL,63|(op.ksl<<6));
-          }
+  int hardResetElapsed=0;
+  bool mustHardReset=false;
+  bool weWillWriteRRLater[64];
+
+  memset(weWillWriteRRLater,0,64*sizeof(bool));
+
+  for (int i=0; i<melodicChans; i++) {
+    int ops=(slots[3][i]!=255 && chan[i].state.ops==4 && oplType==3)?4:2;
+
+    if (chan[i].keyOn || chan[i].keyOff) {
+      immWrite(chanMap[i]+ADDR_FREQH,0x00|(chan[i].freqH&31));
+      chan[i].keyOff=false;
+    }
+    if (chan[i].hardReset && chan[i].keyOn) {
+      mustHardReset=true;
+      for (int j=0; j<ops; j++) {
+        unsigned char slot=slots[j][i];
+        if (slot==255) continue;
+        unsigned short baseAddr=slotMap[slot];
+        if (baseAddr>0x100) {
+          weWillWriteRRLater[(baseAddr&0xff)|32]=true;
+        } else {
+          weWillWriteRRLater[(baseAddr&0xff)]=true;
         }
+        immWrite(baseAddr+ADDR_SL_RR,0x0f);
+        hardResetElapsed++;
       }
     }
   }
@@ -562,6 +561,11 @@ void DivPlatformOPL::tick(bool sysTick) {
 
   for (int i=0; i<512; i++) {
     if (pendingWrites[i]!=oldWrites[i]) {
+      if ((i>=0x80 && i<0xa0)) {
+        if (weWillWriteRRLater[i-0x80]) continue;
+      } else if ((i>=0x180 && i<0x1a0)) {
+        if (weWillWriteRRLater[32|(i-0x180)]) continue;
+      }
       immWrite(i,pendingWrites[i]&0xff);
       oldWrites[i]=pendingWrites[i];
     }
@@ -580,11 +584,15 @@ void DivPlatformOPL::tick(bool sysTick) {
       immWrite(chanMap[i]+ADDR_FREQ,chan[i].freqL);
     }
     if (i<melodicChans) {
-      if (chan[i].keyOn) {
+      if (chan[i].keyOn && !chan[i].hardReset) {
         immWrite(chanMap[i]+ADDR_FREQH,chan[i].freqH|(0x20));
         chan[i].keyOn=false;
       } else if (chan[i].freqChanged) {
-        immWrite(chanMap[i]+ADDR_FREQH,chan[i].freqH|(chan[i].active<<5));
+        if (chan[i].keyOn && chan[i].hardReset) {
+          immWrite(chanMap[i]+ADDR_FREQH,chan[i].freqH|0);
+        } else {
+          immWrite(chanMap[i]+ADDR_FREQH,chan[i].freqH|(chan[i].active<<5));
+        }
       }
     } else {
       if (chan[i].keyOn) {
@@ -602,6 +610,35 @@ void DivPlatformOPL::tick(bool sysTick) {
   if (updateDrums) {
     immWrite(0xbd,(dam<<7)|(dvb<<6)|(properDrums<<5)|drumState);
   }
+
+  // hard reset handling
+  if (mustHardReset) {
+    for (unsigned int i=hardResetElapsed; i<128; i++) {
+      immWrite(0x3f,i&0xff);
+    }
+    for (int i=0x80; i<0xa0; i++) {
+      if (weWillWriteRRLater[i-0x80]) {
+        immWrite(i,pendingWrites[i]&0xff);
+        oldWrites[i]=pendingWrites[i];
+      }
+    }
+    for (int i=0x180; i<0x1a0; i++) {
+      if (weWillWriteRRLater[32|(i-0x180)]) {
+        immWrite(i,pendingWrites[i]&0xff);
+        oldWrites[i]=pendingWrites[i];
+      }
+    }
+    for (int i=0; i<melodicChans; i++) {
+      if (chan[i].hardReset) {
+        if (chan[i].keyOn) {
+          immWrite(chanMap[i]+ADDR_FREQH,chan[i].freqH|(0x20));
+          chan[i].keyOn=false;
+        } else if (chan[i].freqChanged) {
+          immWrite(chanMap[i]+ADDR_FREQH,chan[i].freqH|(chan[i].active<<5));
+        }
+      }
+    }
+  }
 }
 
 #define OPLL_C_NUM 686

From fa0e8cb993810ff8c07d7d45f12f040ef84ec73a Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Fri, 20 Jan 2023 15:13:19 -0500
Subject: [PATCH 14/29] - MINIMIZE DEBUG -

issue #803
---
 src/gui/gui.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index 6c62e9611..a619cf325 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -3419,6 +3419,13 @@ bool FurnaceGUI::loop() {
     ImGui_ImplSDL2_NewFrame(sdlWin);
     ImGui::NewFrame();
 
+    ImGuiViewport* vp=ImGui::GetMainViewport();
+    if (vp==NULL) {
+      logE("NULL MAN");
+    } else {
+      logV("viewport size: %dx%d",vp->Size.x,vp->Size.y);
+    }
+
     curWindowLast=curWindow;
     curWindow=GUI_WINDOW_NOTHING;
     editOptsVisible=false;

From 73b7893c04b8683deafd4e18b48844679a370a74 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Fri, 20 Jan 2023 15:24:43 -0500
Subject: [PATCH 15/29] remove minimize debug

---
 src/gui/gui.cpp | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index a619cf325..6c62e9611 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -3419,13 +3419,6 @@ bool FurnaceGUI::loop() {
     ImGui_ImplSDL2_NewFrame(sdlWin);
     ImGui::NewFrame();
 
-    ImGuiViewport* vp=ImGui::GetMainViewport();
-    if (vp==NULL) {
-      logE("NULL MAN");
-    } else {
-      logV("viewport size: %dx%d",vp->Size.x,vp->Size.y);
-    }
-
     curWindowLast=curWindow;
     curWindow=GUI_WINDOW_NOTHING;
     editOptsVisible=false;

From 9583215d009c3362b0714dd9964e276f20aa7bed Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Fri, 20 Jan 2023 15:47:37 -0500
Subject: [PATCH 16/29] Revert "remove minimize debug"

This reverts commit 73b7893c04b8683deafd4e18b48844679a370a74.
---
 src/gui/gui.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index 6c62e9611..a619cf325 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -3419,6 +3419,13 @@ bool FurnaceGUI::loop() {
     ImGui_ImplSDL2_NewFrame(sdlWin);
     ImGui::NewFrame();
 
+    ImGuiViewport* vp=ImGui::GetMainViewport();
+    if (vp==NULL) {
+      logE("NULL MAN");
+    } else {
+      logV("viewport size: %dx%d",vp->Size.x,vp->Size.y);
+    }
+
     curWindowLast=curWindow;
     curWindow=GUI_WINDOW_NOTHING;
     editOptsVisible=false;

From cf0ecde2933675fd9e38fb5dfb2e39bee25aca54 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Fri, 20 Jan 2023 15:47:55 -0500
Subject: [PATCH 17/29] - MINIMIZE DEBUG, ATTEMPT 2 -

---
 src/gui/gui.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index a619cf325..8ecf690a9 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -3423,7 +3423,7 @@ bool FurnaceGUI::loop() {
     if (vp==NULL) {
       logE("NULL MAN");
     } else {
-      logV("viewport size: %dx%d",vp->Size.x,vp->Size.y);
+      logV("viewport size: %fx%f",vp->Size.x,vp->Size.y);
     }
 
     curWindowLast=curWindow;

From 1b900d6ef582dd1493d317ae445fd8c7d5781a0f Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Fri, 20 Jan 2023 16:39:21 -0500
Subject: [PATCH 18/29] Revert "- MINIMIZE DEBUG, ATTEMPT 2 -"

This reverts commit cf0ecde2933675fd9e38fb5dfb2e39bee25aca54.
---
 src/gui/gui.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index 8ecf690a9..a619cf325 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -3423,7 +3423,7 @@ bool FurnaceGUI::loop() {
     if (vp==NULL) {
       logE("NULL MAN");
     } else {
-      logV("viewport size: %fx%f",vp->Size.x,vp->Size.y);
+      logV("viewport size: %dx%d",vp->Size.x,vp->Size.y);
     }
 
     curWindowLast=curWindow;

From 56304e95010a79b51fb8fd3b73f4aca55923c546 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Fri, 20 Jan 2023 16:39:42 -0500
Subject: [PATCH 19/29] disable MinGW builds until I get backtrace working

---
 .github/workflows/build.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f50a7ca20..f058b21ef 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -20,8 +20,8 @@ jobs:
         config:
           - { name: 'Windows MSVC x86', os: windows-latest, compiler: msvc, arch: x86 }
           - { name: 'Windows MSVC x86_64', os: windows-latest, compiler: msvc, arch: x86_64 }
-          - { name: 'Windows MinGW x86', os: ubuntu-20.04, compiler: mingw, arch: x86 }
-          - { name: 'Windows MinGW x86_64', os: ubuntu-20.04, compiler: mingw, arch: x86_64 }
+          #- { name: 'Windows MinGW x86', os: ubuntu-20.04, compiler: mingw, arch: x86 }
+          #- { name: 'Windows MinGW x86_64', os: ubuntu-20.04, compiler: mingw, arch: x86_64 }
           - { name: 'macOS x86_64', os: macos-latest, arch: x86_64 }
           - { name: 'macOS ARM', os: macos-latest, arch: arm64 }
           - { name: 'Linux x86_64', os: ubuntu-18.04, arch: x86_64 }

From 8dadb87d12cb69cedb5080917521355fb3c68f39 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Fri, 20 Jan 2023 16:47:41 -0500
Subject: [PATCH 20/29] CI: try out RelWithDebInfo

---
 .github/workflows/build.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f058b21ef..29079891d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -11,7 +11,7 @@ defaults:
     shell: bash
 
 env:
-  BUILD_TYPE: Debug
+  BUILD_TYPE: RelWithDebInfo
 
 jobs:
   build:

From 4a6100b6586849865c9e7896e8650334627ce9bf Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Fri, 20 Jan 2023 19:35:17 -0500
Subject: [PATCH 21/29] FIIIIXXXXX

---
 src/gui/gui.cpp | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index a619cf325..6c62e9611 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -3419,13 +3419,6 @@ bool FurnaceGUI::loop() {
     ImGui_ImplSDL2_NewFrame(sdlWin);
     ImGui::NewFrame();
 
-    ImGuiViewport* vp=ImGui::GetMainViewport();
-    if (vp==NULL) {
-      logE("NULL MAN");
-    } else {
-      logV("viewport size: %dx%d",vp->Size.x,vp->Size.y);
-    }
-
     curWindowLast=curWindow;
     curWindow=GUI_WINDOW_NOTHING;
     editOptsVisible=false;

From c0ef83312f52c1ffdffb9ed1a20c78764eb925a5 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Sat, 21 Jan 2023 03:14:18 -0500
Subject: [PATCH 22/29] new demo song

by Mahbod_Karamoozian
---
 demos/sms/Super_Space_Invaders_Title.fur | Bin 0 -> 2565 bytes
 1 file changed, 0 insertions(+), 0 deletions(-)
 create mode 100644 demos/sms/Super_Space_Invaders_Title.fur

diff --git a/demos/sms/Super_Space_Invaders_Title.fur b/demos/sms/Super_Space_Invaders_Title.fur
new file mode 100644
index 0000000000000000000000000000000000000000..fe964b0e94308b227707433d47ed7529a4ddac5b
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From 9f0070e6cd4c434bf9a2584555734d639acb7cb5 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Sat, 21 Jan 2023 03:14:51 -0500
Subject: [PATCH 23/29] whoops wrong category

---
 demos/{sms => nes}/Super_Space_Invaders_Title.fur | Bin
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename demos/{sms => nes}/Super_Space_Invaders_Title.fur (100%)

diff --git a/demos/sms/Super_Space_Invaders_Title.fur b/demos/nes/Super_Space_Invaders_Title.fur
similarity index 100%
rename from demos/sms/Super_Space_Invaders_Title.fur
rename to demos/nes/Super_Space_Invaders_Title.fur

From e190c2ca60bca393c4b1936d4268c77140021d25 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Mon, 23 Jan 2023 03:31:50 -0500
Subject: [PATCH 24/29] GUI: fix "overflow changes ord" whn ctrlclk n sldr

---
 src/gui/pattern.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gui/pattern.cpp b/src/gui/pattern.cpp
index 141afb2b2..b02b11501 100644
--- a/src/gui/pattern.cpp
+++ b/src/gui/pattern.cpp
@@ -969,7 +969,7 @@ void FurnaceGUI::drawPattern() {
 
       // overflow changes order
       // TODO: this is very unreliable and sometimes it can warp you out of the song
-      if (settings.scrollChangesOrder && !e->isPlaying()) {
+      if (settings.scrollChangesOrder && !e->isPlaying() && ImGui::IsWindowHovered(ImGuiHoveredFlags_ChildWindows)) {
         if (wheelY!=0) {
           if (wheelY>0) {
             if (ImGui::GetScrollY()<=0) {

From a878c3a4d50f5f68fe9dcf5dfa013429a3969832 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Mon, 23 Jan 2023 15:19:20 -0500
Subject: [PATCH 25/29] stop documenting EFxx

it doesn't even work on linear pitch
---
 papers/doc/3-pattern/effects.md | 3 ---
 src/engine/engine.cpp           | 2 --
 2 files changed, 5 deletions(-)

diff --git a/papers/doc/3-pattern/effects.md b/papers/doc/3-pattern/effects.md
index 0aa1fc03b..9d784d380 100644
--- a/papers/doc/3-pattern/effects.md
+++ b/papers/doc/3-pattern/effects.md
@@ -57,9 +57,6 @@ however, effects are continuous, which means you only need to type it once and t
 - `EDxx`: delay note by `xx` ticks.
 - `EExx`: send external command.
   - this effect is currently incomplete.
-- `EFxx`: add or subtract global pitch.
-  - this effect is rather weird. use with caution.
-  - `80` is center.
 - `F0xx`: change song Hz by BPM value.
 - `F1xx`: single tick slide up.
 - `F2xx`: single tick slide down.
diff --git a/src/engine/engine.cpp b/src/engine/engine.cpp
index 50fbbadc5..38185aaa8 100644
--- a/src/engine/engine.cpp
+++ b/src/engine/engine.cpp
@@ -110,8 +110,6 @@ const char* DivEngine::getEffectDesc(unsigned char effect, int chan, bool notNul
       return "EDxx: Note delay";
     case 0xee:
       return "EExx: Send external command";
-    case 0xef:
-      return "EFxx: Set global tuning (quirky!)";
     case 0xf0:
       return "F0xx: Set tick rate (bpm)";
     case 0xf1:

From 51883f698afebcae81d63fac951513bacc418677 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Mon, 23 Jan 2023 15:52:32 -0500
Subject: [PATCH 26/29] MORE TESTING

---
 extern/imgui_patched/backends/imgui_impl_sdl.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/extern/imgui_patched/backends/imgui_impl_sdl.cpp b/extern/imgui_patched/backends/imgui_impl_sdl.cpp
index 499676fcd..60094c33f 100644
--- a/extern/imgui_patched/backends/imgui_impl_sdl.cpp
+++ b/extern/imgui_patched/backends/imgui_impl_sdl.cpp
@@ -65,6 +65,7 @@
 
 #include "imgui.h"
 #include "imgui_impl_sdl.h"
+#include "../../../src/ta-log.h"
 #include <stdio.h>
 #include <cmath>
 
@@ -658,11 +659,15 @@ static void ImGui_ImplSDL2_UpdateMonitors()
         SDL_GetDisplayBounds(n, &r);
         monitor.MainPos = monitor.WorkPos = ImVec2((float)r.x, (float)r.y);
         monitor.MainSize = monitor.WorkSize = ImVec2((float)r.w, (float)r.h);
+        logI("MainPos: %f, %f",monitor.MainPos.x,monitor.MainPos.y);
+        logI("MainSize: %f, %f",monitor.MainSize.x,monitor.MainSize.y);
 #if SDL_HAS_USABLE_DISPLAY_BOUNDS
         SDL_GetDisplayUsableBounds(n, &r);
         monitor.WorkPos = ImVec2((float)r.x, (float)r.y);
         monitor.WorkSize = ImVec2((float)r.w, (float)r.h);
 #endif
+        logI("WorkPos: %f, %f",monitor.WorkPos.x,monitor.WorkPos.y);
+        logI("WorkSize: %f, %f",monitor.WorkSize.x,monitor.WorkSize.y);
 #if SDL_HAS_PER_MONITOR_DPI
         monitor.DpiScale = 1.0f;
 #endif
@@ -705,6 +710,9 @@ void ImGui_ImplSDL2_NewFrame()
         platform_io.Monitors[0].DpiScale=(float)display_w/(float)w;
     }
 
+    logV("io.DisplaySize: %f, %f",io.DisplaySize.x,io.DisplaySize.y);
+    logV("io.DisplayFramebufferScale: %f, %f",io.DisplayFramebufferScale.x,io.DisplayFramebufferScale.y);
+
     // Setup time step (we don't use SDL_GetTicks() because it is using millisecond resolution)
     static Uint64 frequency = SDL_GetPerformanceFrequency();
     Uint64 current_time = SDL_GetPerformanceCounter();

From c58ff8e37ca7646a4f9dfe0fc3a7e9bf35130c20 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Mon, 23 Jan 2023 16:21:58 -0500
Subject: [PATCH 27/29] GUI: don't draw at all when minimized

---
 extern/imgui_patched/backends/imgui_impl_sdl.cpp | 3 ---
 src/gui/gui.cpp                                  | 5 +++++
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/extern/imgui_patched/backends/imgui_impl_sdl.cpp b/extern/imgui_patched/backends/imgui_impl_sdl.cpp
index 60094c33f..ac7a674ea 100644
--- a/extern/imgui_patched/backends/imgui_impl_sdl.cpp
+++ b/extern/imgui_patched/backends/imgui_impl_sdl.cpp
@@ -710,9 +710,6 @@ void ImGui_ImplSDL2_NewFrame()
         platform_io.Monitors[0].DpiScale=(float)display_w/(float)w;
     }
 
-    logV("io.DisplaySize: %f, %f",io.DisplaySize.x,io.DisplaySize.y);
-    logV("io.DisplayFramebufferScale: %f, %f",io.DisplayFramebufferScale.x,io.DisplayFramebufferScale.y);
-
     // Setup time step (we don't use SDL_GetTicks() because it is using millisecond resolution)
     static Uint64 frequency = SDL_GetPerformanceFrequency();
     Uint64 current_time = SDL_GetPerformanceCounter();
diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index 9fe9d1222..9fa58f0e6 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -3413,6 +3413,11 @@ bool FurnaceGUI::loop() {
 
     eventTimeEnd=SDL_GetPerformanceCounter();
 
+    if (SDL_GetWindowFlags(sdlWin)&SDL_WINDOW_MINIMIZED) {
+      SDL_Delay(100);
+      continue;
+    }
+
     layoutTimeBegin=SDL_GetPerformanceCounter();
 
     ImGui_ImplSDLRenderer_NewFrame();

From 6f2a655e666162518794082eb9903ce7f6721d42 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Mon, 23 Jan 2023 16:40:56 -0500
Subject: [PATCH 28/29] yeah it works

---
 src/gui/gui.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index 9fa58f0e6..e0c458b35 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -3414,7 +3414,8 @@ bool FurnaceGUI::loop() {
     eventTimeEnd=SDL_GetPerformanceCounter();
 
     if (SDL_GetWindowFlags(sdlWin)&SDL_WINDOW_MINIMIZED) {
-      SDL_Delay(100);
+      SDL_Delay(30);
+      drawHalt=0;
       continue;
     }
 

From 7b2588c17630861bc64d2d4fad0aa343bde6f15b Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Mon, 23 Jan 2023 16:42:56 -0500
Subject: [PATCH 29/29] remove log spam

---
 extern/imgui_patched/backends/imgui_impl_sdl.cpp | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/extern/imgui_patched/backends/imgui_impl_sdl.cpp b/extern/imgui_patched/backends/imgui_impl_sdl.cpp
index ac7a674ea..499676fcd 100644
--- a/extern/imgui_patched/backends/imgui_impl_sdl.cpp
+++ b/extern/imgui_patched/backends/imgui_impl_sdl.cpp
@@ -65,7 +65,6 @@
 
 #include "imgui.h"
 #include "imgui_impl_sdl.h"
-#include "../../../src/ta-log.h"
 #include <stdio.h>
 #include <cmath>
 
@@ -659,15 +658,11 @@ static void ImGui_ImplSDL2_UpdateMonitors()
         SDL_GetDisplayBounds(n, &r);
         monitor.MainPos = monitor.WorkPos = ImVec2((float)r.x, (float)r.y);
         monitor.MainSize = monitor.WorkSize = ImVec2((float)r.w, (float)r.h);
-        logI("MainPos: %f, %f",monitor.MainPos.x,monitor.MainPos.y);
-        logI("MainSize: %f, %f",monitor.MainSize.x,monitor.MainSize.y);
 #if SDL_HAS_USABLE_DISPLAY_BOUNDS
         SDL_GetDisplayUsableBounds(n, &r);
         monitor.WorkPos = ImVec2((float)r.x, (float)r.y);
         monitor.WorkSize = ImVec2((float)r.w, (float)r.h);
 #endif
-        logI("WorkPos: %f, %f",monitor.WorkPos.x,monitor.WorkPos.y);
-        logI("WorkSize: %f, %f",monitor.WorkSize.x,monitor.WorkSize.y);
 #if SDL_HAS_PER_MONITOR_DPI
         monitor.DpiScale = 1.0f;
 #endif