diff --git a/src/engine/platform/amiga.h b/src/engine/platform/amiga.h
index a4c1a7a4..7a7f0d24 100644
--- a/src/engine/platform/amiga.h
+++ b/src/engine/platform/amiga.h
@@ -27,7 +27,7 @@
 
 class DivPlatformAmiga: public DivDispatch {
   struct Channel {
-    int freq, baseFreq, pitch;
+    int freq, baseFreq, pitch, pitch2;
     unsigned int audLoc;
     unsigned short audLen;
     unsigned int audPos;
@@ -45,6 +45,7 @@ class DivPlatformAmiga: public DivDispatch {
       freq(0),
       baseFreq(0),
       pitch(0),
+      pitch2(0),
       audLoc(0),
       audLen(0),
       audPos(0),
diff --git a/src/engine/platform/arcade.h b/src/engine/platform/arcade.h
index e051e8ab..07a610f7 100644
--- a/src/engine/platform/arcade.h
+++ b/src/engine/platform/arcade.h
@@ -36,7 +36,7 @@ class DivPlatformArcade: public DivDispatch {
       DivInstrumentFM state;
       DivMacroInt std;
       unsigned char freqH, freqL;
-      int freq, baseFreq, pitch, note;
+      int freq, baseFreq, pitch, pitch2, note;
       int ins;
       signed char konCycles;
       bool active, insChanged, freqChanged, keyOn, keyOff, inPorta, portaPause, furnacePCM, hardReset;
@@ -48,6 +48,7 @@ class DivPlatformArcade: public DivDispatch {
         freq(0),
         baseFreq(0),
         pitch(0),
+        pitch2(0),
         note(0),
         ins(-1),
         active(false),
diff --git a/src/engine/platform/ay.h b/src/engine/platform/ay.h
index ce06fc9f..217d11ac 100644
--- a/src/engine/platform/ay.h
+++ b/src/engine/platform/ay.h
@@ -32,7 +32,7 @@ class DivPlatformAY8910: public DivDispatch {
     inline unsigned char regRemap(unsigned char reg) { return intellivision?AY8914RegRemap[reg&0x0f]:reg&0x0f; }
     struct Channel {
       unsigned char freqH, freqL;
-      int freq, baseFreq, note, pitch;
+      int freq, baseFreq, note, pitch, pitch2;
       int ins;
       unsigned char psgMode, autoEnvNum, autoEnvDen;
       signed char konCycles;
@@ -40,7 +40,7 @@ class DivPlatformAY8910: public DivDispatch {
       int vol, outVol;
       unsigned char pan;
       DivMacroInt std;
-      Channel(): freqH(0), freqL(0), freq(0), baseFreq(0), note(0), pitch(0), ins(-1), psgMode(1), autoEnvNum(0), autoEnvDen(0), active(false), insChanged(true), freqChanged(false), keyOn(false), keyOff(false), portaPause(false), inPorta(false), vol(0), outVol(15), pan(3) {}
+      Channel(): freqH(0), freqL(0), freq(0), baseFreq(0), note(0), pitch(0), pitch2(0), ins(-1), psgMode(1), autoEnvNum(0), autoEnvDen(0), active(false), insChanged(true), freqChanged(false), keyOn(false), keyOff(false), portaPause(false), inPorta(false), vol(0), outVol(15), pan(3) {}
     };
     Channel chan[3];
     bool isMuted[3];
diff --git a/src/engine/platform/ay8930.h b/src/engine/platform/ay8930.h
index 61a186f4..098a239b 100644
--- a/src/engine/platform/ay8930.h
+++ b/src/engine/platform/ay8930.h
@@ -28,7 +28,7 @@ class DivPlatformAY8930: public DivDispatch {
   protected:
     struct Channel {
       unsigned char freqH, freqL;
-      int freq, baseFreq, note, pitch;
+      int freq, baseFreq, note, pitch, pitch2;
       int ins;
       unsigned char psgMode, autoEnvNum, autoEnvDen, duty;
       signed char konCycles;
@@ -36,7 +36,7 @@ class DivPlatformAY8930: public DivDispatch {
       int vol, outVol;
       unsigned char pan;
       DivMacroInt std;
-      Channel(): freqH(0), freqL(0), freq(0), baseFreq(0), note(0), pitch(0), ins(-1), psgMode(1), autoEnvNum(0), autoEnvDen(0), duty(4), active(false), insChanged(true), freqChanged(false), keyOn(false), keyOff(false), portaPause(false), inPorta(false), vol(0), outVol(31), pan(3) {}
+      Channel(): freqH(0), freqL(0), freq(0), baseFreq(0), note(0), pitch(0), pitch2(0), ins(-1), psgMode(1), autoEnvNum(0), autoEnvDen(0), duty(4), active(false), insChanged(true), freqChanged(false), keyOn(false), keyOff(false), portaPause(false), inPorta(false), vol(0), outVol(31), pan(3) {}
     };
     Channel chan[3];
     bool isMuted[3];
diff --git a/src/engine/platform/bubsyswsg.h b/src/engine/platform/bubsyswsg.h
index 0fbb2ac5..87978d71 100644
--- a/src/engine/platform/bubsyswsg.h
+++ b/src/engine/platform/bubsyswsg.h
@@ -28,7 +28,7 @@
 
 class DivPlatformBubSysWSG: public DivDispatch {
   struct Channel {
-    int freq, baseFreq, pitch, note, ins;
+    int freq, baseFreq, pitch, pitch2, note, ins;
     bool active, insChanged, freqChanged, keyOn, keyOff, inPorta;
     signed char vol, outVol, wave;
     signed char waveROM[32] = {0}; // 4 bit PROM per channel on bubble system
@@ -38,6 +38,7 @@ class DivPlatformBubSysWSG: public DivDispatch {
       freq(0),
       baseFreq(0),
       pitch(0),
+      pitch2(0),
       note(0),
       ins(-1),
       active(false),
diff --git a/src/engine/platform/c64.h b/src/engine/platform/c64.h
index bc3cbf98..2cb53c16 100644
--- a/src/engine/platform/c64.h
+++ b/src/engine/platform/c64.h
@@ -26,7 +26,7 @@
 
 class DivPlatformC64: public DivDispatch {
   struct Channel {
-    int freq, baseFreq, pitch, prevFreq, testWhen, note, ins;
+    int freq, baseFreq, pitch, pitch2, prevFreq, testWhen, note, ins;
     unsigned char sweep, wave, attack, decay, sustain, release;
     short duty;
     bool active, insChanged, freqChanged, sweepChanged, keyOn, keyOff, inPorta, filter;
@@ -37,6 +37,7 @@ class DivPlatformC64: public DivDispatch {
       freq(0),
       baseFreq(0),
       pitch(0),
+      pitch2(0),
       prevFreq(65535),
       testWhen(0),
       note(0),
diff --git a/src/engine/platform/fds.h b/src/engine/platform/fds.h
index bf949272..252452e8 100644
--- a/src/engine/platform/fds.h
+++ b/src/engine/platform/fds.h
@@ -26,7 +26,7 @@
 
 class DivPlatformFDS: public DivDispatch {
   struct Channel {
-    int freq, baseFreq, pitch, prevFreq, note, modFreq, ins;
+    int freq, baseFreq, pitch, pitch2, prevFreq, note, modFreq, ins;
     unsigned char duty, sweep, modDepth, modPos;
     bool active, insChanged, freqChanged, sweepChanged, keyOn, keyOff, inPorta, modOn;
     signed char vol, outVol, wave;
@@ -36,6 +36,7 @@ class DivPlatformFDS: public DivDispatch {
       freq(0),
       baseFreq(0),
       pitch(0),
+      pitch2(0),
       prevFreq(65535),
       note(0),
       modFreq(0),
diff --git a/src/engine/platform/gb.h b/src/engine/platform/gb.h
index c79603ab..9d1a4572 100644
--- a/src/engine/platform/gb.h
+++ b/src/engine/platform/gb.h
@@ -27,7 +27,7 @@
 
 class DivPlatformGB: public DivDispatch {
   struct Channel {
-    int freq, baseFreq, pitch, note, ins;
+    int freq, baseFreq, pitch, pitch2, note, ins;
     unsigned char duty, sweep;
     bool active, insChanged, freqChanged, sweepChanged, keyOn, keyOff, inPorta;
     signed char vol, outVol, wave;
@@ -36,6 +36,7 @@ class DivPlatformGB: public DivDispatch {
       freq(0),
       baseFreq(0),
       pitch(0),
+      pitch2(0),
       note(0),
       ins(-1),
       duty(0),
diff --git a/src/engine/platform/genesis.h b/src/engine/platform/genesis.h
index 31f11d18..13df1e8b 100644
--- a/src/engine/platform/genesis.h
+++ b/src/engine/platform/genesis.h
@@ -36,7 +36,7 @@ class DivPlatformGenesis: public DivDispatch {
       DivInstrumentFM state;
       DivMacroInt std;
       unsigned char freqH, freqL;
-      int freq, baseFreq, pitch, portaPauseFreq, note;
+      int freq, baseFreq, pitch, pitch2, portaPauseFreq, note;
       int ins;
       bool active, insChanged, freqChanged, keyOn, keyOff, portaPause, furnaceDac, inPorta, hardReset;
       int vol, outVol;
@@ -47,6 +47,7 @@ class DivPlatformGenesis: public DivDispatch {
         freq(0),
         baseFreq(0),
         pitch(0),
+        pitch2(0),
         portaPauseFreq(0),
         note(0),
         ins(-1),
diff --git a/src/engine/platform/genesisext.h b/src/engine/platform/genesisext.h
index e3604a34..c246ee3f 100644
--- a/src/engine/platform/genesisext.h
+++ b/src/engine/platform/genesisext.h
@@ -25,7 +25,7 @@ class DivPlatformGenesisExt: public DivPlatformGenesis {
   struct OpChannel {
     DivMacroInt std;
     unsigned char freqH, freqL;
-    int freq, baseFreq, pitch, portaPauseFreq, ins;
+    int freq, baseFreq, pitch, pitch2, portaPauseFreq, ins;
     signed char konCycles;
     bool active, insChanged, freqChanged, keyOn, keyOff, portaPause;
     int vol;
@@ -36,6 +36,7 @@ class DivPlatformGenesisExt: public DivPlatformGenesis {
       freq(0),
       baseFreq(0),
       pitch(0),
+      pitch2(0),
       portaPauseFreq(0),
       ins(-1),
       active(false),
diff --git a/src/engine/platform/lynx.h b/src/engine/platform/lynx.h
index f1f974ed..1093bad8 100644
--- a/src/engine/platform/lynx.h
+++ b/src/engine/platform/lynx.h
@@ -44,7 +44,7 @@ class DivPlatformLynx: public DivDispatch {
     DivMacroInt std;
     MikeyFreqDiv fd;
     MikeyDuty duty;
-    int baseFreq, pitch, note, actualNote, lfsr, ins;
+    int baseFreq, pitch, pitch2, note, actualNote, lfsr, ins;
     unsigned char pan;
     bool active, insChanged, freqChanged, keyOn, keyOff, inPorta;
     signed char vol, outVol;
@@ -54,6 +54,7 @@ class DivPlatformLynx: public DivDispatch {
       duty(0),
       baseFreq(0),
       pitch(0),
+      pitch2(0),
       note(0),
       actualNote(0),
       lfsr(-1),
diff --git a/src/engine/platform/mmc5.h b/src/engine/platform/mmc5.h
index 879ebee1..7db844a0 100644
--- a/src/engine/platform/mmc5.h
+++ b/src/engine/platform/mmc5.h
@@ -25,7 +25,7 @@
 
 class DivPlatformMMC5: public DivDispatch {
   struct Channel {
-    int freq, baseFreq, pitch, prevFreq, note, ins;
+    int freq, baseFreq, pitch, pitch2, prevFreq, note, ins;
     unsigned char duty, sweep;
     bool active, insChanged, freqChanged, sweepChanged, keyOn, keyOff, inPorta, furnaceDac;
     signed char vol, outVol, wave;
@@ -34,6 +34,7 @@ class DivPlatformMMC5: public DivDispatch {
       freq(0),
       baseFreq(0),
       pitch(0),
+      pitch2(0),
       prevFreq(65535),
       note(0),
       ins(-1),
diff --git a/src/engine/platform/n163.h b/src/engine/platform/n163.h
index 38ebeace..0b4edbdd 100644
--- a/src/engine/platform/n163.h
+++ b/src/engine/platform/n163.h
@@ -28,7 +28,7 @@
 
 class DivPlatformN163: public DivDispatch {
   struct Channel {
-    int freq, baseFreq, pitch, note;
+    int freq, baseFreq, pitch, pitch2, note;
     short ins, wave, wavePos, waveLen;
     unsigned char waveMode;
     short loadWave, loadPos, loadLen;
@@ -41,6 +41,7 @@ class DivPlatformN163: public DivDispatch {
       freq(0),
       baseFreq(0),
       pitch(0),
+      pitch2(0),
       note(0),
       ins(-1),
       wave(-1),
diff --git a/src/engine/platform/nes.h b/src/engine/platform/nes.h
index 7650d39e..8de7f7b5 100644
--- a/src/engine/platform/nes.h
+++ b/src/engine/platform/nes.h
@@ -25,7 +25,7 @@
 
 class DivPlatformNES: public DivDispatch {
   struct Channel {
-    int freq, baseFreq, pitch, prevFreq, note, ins;
+    int freq, baseFreq, pitch, pitch2, prevFreq, note, ins;
     unsigned char duty, sweep;
     bool active, insChanged, freqChanged, sweepChanged, keyOn, keyOff, inPorta, furnaceDac;
     signed char vol, outVol, wave;
@@ -34,6 +34,7 @@ class DivPlatformNES: public DivDispatch {
       freq(0),
       baseFreq(0),
       pitch(0),
+      pitch2(0),
       prevFreq(65535),
       note(0),
       ins(-1),
diff --git a/src/engine/platform/opl.h b/src/engine/platform/opl.h
index ee3bcb36..50a232aa 100644
--- a/src/engine/platform/opl.h
+++ b/src/engine/platform/opl.h
@@ -30,7 +30,7 @@ class DivPlatformOPL: public DivDispatch {
       DivInstrumentFM state;
       DivMacroInt std;
       unsigned char freqH, freqL;
-      int freq, baseFreq, pitch, note, ins;
+      int freq, baseFreq, pitch, pitch2, note, ins;
       bool active, insChanged, freqChanged, keyOn, keyOff, portaPause, furnaceDac, inPorta, fourOp;
       int vol, outVol;
       unsigned char pan;
@@ -40,6 +40,7 @@ class DivPlatformOPL: public DivDispatch {
         freq(0),
         baseFreq(0),
         pitch(0),
+        pitch2(0),
         note(0),
         ins(-1),
         active(false),
diff --git a/src/engine/platform/opll.h b/src/engine/platform/opll.h
index 79f905c6..8b1732aa 100644
--- a/src/engine/platform/opll.h
+++ b/src/engine/platform/opll.h
@@ -33,7 +33,7 @@ class DivPlatformOPLL: public DivDispatch {
       DivInstrumentFM state;
       DivMacroInt std;
       unsigned char freqH, freqL;
-      int freq, baseFreq, pitch, note, ins;
+      int freq, baseFreq, pitch, pitch2, note, ins;
       bool active, insChanged, freqChanged, keyOn, keyOff, portaPause, furnaceDac, inPorta;
       int vol, outVol;
       unsigned char pan;
@@ -43,6 +43,7 @@ class DivPlatformOPLL: public DivDispatch {
         freq(0),
         baseFreq(0),
         pitch(0),
+        pitch2(0),
         note(0),
         ins(-1),
         active(false),
diff --git a/src/engine/platform/pce.h b/src/engine/platform/pce.h
index deb85fbb..1f92e633 100644
--- a/src/engine/platform/pce.h
+++ b/src/engine/platform/pce.h
@@ -28,7 +28,7 @@
 
 class DivPlatformPCE: public DivDispatch {
   struct Channel {
-    int freq, baseFreq, pitch, note;
+    int freq, baseFreq, pitch, pitch2, note;
     int dacPeriod, dacRate;
     unsigned int dacPos;
     int dacSample, ins;
@@ -41,6 +41,7 @@ class DivPlatformPCE: public DivDispatch {
       freq(0),
       baseFreq(0),
       pitch(0),
+      pitch2(0),
       note(0),
       dacPeriod(0),
       dacRate(0),
diff --git a/src/engine/platform/pcspkr.h b/src/engine/platform/pcspkr.h
index f8813f3f..815f2a96 100644
--- a/src/engine/platform/pcspkr.h
+++ b/src/engine/platform/pcspkr.h
@@ -25,7 +25,7 @@
 
 class DivPlatformPCSpeaker: public DivDispatch {
   struct Channel {
-    int freq, baseFreq, pitch, note, ins;
+    int freq, baseFreq, pitch, pitch2, note, ins;
     unsigned char duty, sweep;
     bool active, insChanged, freqChanged, sweepChanged, keyOn, keyOff, inPorta, furnaceDac;
     signed char vol, outVol, wave;
@@ -34,6 +34,7 @@ class DivPlatformPCSpeaker: public DivDispatch {
       freq(0),
       baseFreq(0),
       pitch(0),
+      pitch2(0),
       note(0),
       ins(-1),
       duty(0),
diff --git a/src/engine/platform/pet.h b/src/engine/platform/pet.h
index b4b75316..567d4fc4 100644
--- a/src/engine/platform/pet.h
+++ b/src/engine/platform/pet.h
@@ -25,7 +25,7 @@
 
 class DivPlatformPET: public DivDispatch {
   struct Channel {
-    int freq, baseFreq, pitch, note, ins;
+    int freq, baseFreq, pitch, pitch2, note, ins;
     bool active, insChanged, freqChanged, keyOn, keyOff, inPorta;
     int vol, outVol, wave;
     unsigned char sreg;
@@ -36,6 +36,7 @@ class DivPlatformPET: public DivDispatch {
       freq(0),
       baseFreq(0),
       pitch(0),
+      pitch2(0),
       note(0),
       ins(-1),
       active(false),
diff --git a/src/engine/platform/qsound.h b/src/engine/platform/qsound.h
index aa07a3b4..23229e14 100644
--- a/src/engine/platform/qsound.h
+++ b/src/engine/platform/qsound.h
@@ -27,7 +27,7 @@
 
 class DivPlatformQSound: public DivDispatch {
   struct Channel {
-    int freq, baseFreq, pitch;
+    int freq, baseFreq, pitch, pitch2;
     unsigned short audLen;
     unsigned int audPos;
     int sample, wave, ins;
@@ -40,6 +40,7 @@ class DivPlatformQSound: public DivDispatch {
       freq(0),
       baseFreq(0),
       pitch(0),
+      pitch2(0),
       audLen(0),
       audPos(0),
       sample(-1),
diff --git a/src/engine/platform/saa.h b/src/engine/platform/saa.h
index 30909293..8546c967 100644
--- a/src/engine/platform/saa.h
+++ b/src/engine/platform/saa.h
@@ -35,14 +35,14 @@ class DivPlatformSAA1099: public DivDispatch {
   protected:
     struct Channel {
       unsigned char freqH, freqL;
-      int freq, baseFreq, pitch, note, ins;
+      int freq, baseFreq, pitch, pitch2, note, ins;
       unsigned char psgMode;
       signed char konCycles;
       bool active, insChanged, freqChanged, keyOn, keyOff, portaPause, inPorta;
       int vol, outVol;
       unsigned char pan;
       DivMacroInt std;
-      Channel(): freqH(0), freqL(0), freq(0), baseFreq(0), pitch(0), note(0), ins(-1), psgMode(1), active(false), insChanged(true), freqChanged(false), keyOn(false), keyOff(false), portaPause(false), inPorta(false), vol(0), outVol(15), pan(255) {}
+      Channel(): freqH(0), freqL(0), freq(0), baseFreq(0), pitch(0), pitch2(0), note(0), ins(-1), psgMode(1), active(false), insChanged(true), freqChanged(false), keyOn(false), keyOff(false), portaPause(false), inPorta(false), vol(0), outVol(15), pan(255) {}
     };
     Channel chan[6];
     bool isMuted[6];
diff --git a/src/engine/platform/segapcm.h b/src/engine/platform/segapcm.h
index 3a68a34b..01e56b6b 100644
--- a/src/engine/platform/segapcm.h
+++ b/src/engine/platform/segapcm.h
@@ -29,7 +29,7 @@ class DivPlatformSegaPCM: public DivDispatch {
     struct Channel {
       DivMacroInt std;
       unsigned char freqH, freqL;
-      int freq, baseFreq, pitch, note, ins;
+      int freq, baseFreq, pitch, pitch2, note, ins;
       signed char konCycles;
       bool active, insChanged, freqChanged, keyOn, keyOff, inPorta, portaPause, furnacePCM;
       int vol, outVol;
@@ -42,7 +42,7 @@ class DivPlatformSegaPCM: public DivDispatch {
         unsigned char freq;
         PCMChannel(): sample(-1), pos(0), len(0), freq(0) {}
       } pcm;
-      Channel(): freqH(0), freqL(0), freq(0), baseFreq(0), pitch(0), note(0), ins(-1), active(false), insChanged(true), freqChanged(false), keyOn(false), keyOff(false), inPorta(false), portaPause(false), furnacePCM(false), vol(0), outVol(0), chVolL(127), chVolR(127) {}
+      Channel(): freqH(0), freqL(0), freq(0), baseFreq(0), pitch(0), pitch2(0), note(0), ins(-1), active(false), insChanged(true), freqChanged(false), keyOn(false), keyOff(false), inPorta(false), portaPause(false), furnacePCM(false), vol(0), outVol(0), chVolL(127), chVolR(127) {}
     };
     Channel chan[16];
     struct QueuedWrite {
diff --git a/src/engine/platform/sms.h b/src/engine/platform/sms.h
index 66fdda85..3342dc98 100644
--- a/src/engine/platform/sms.h
+++ b/src/engine/platform/sms.h
@@ -26,7 +26,7 @@
 
 class DivPlatformSMS: public DivDispatch {
   struct Channel {
-    int freq, baseFreq, pitch, note, actualNote, ins;
+    int freq, baseFreq, pitch, pitch2, note, actualNote, ins;
     bool active, insChanged, freqChanged, keyOn, keyOff, inPorta;
     signed char vol, outVol;
     DivMacroInt std;
@@ -34,6 +34,7 @@ class DivPlatformSMS: public DivDispatch {
       freq(0),
       baseFreq(0),
       pitch(0),
+      pitch2(0),
       note(0),
       actualNote(0),
       ins(-1),
diff --git a/src/engine/platform/su.h b/src/engine/platform/su.h
index 6291d453..935e62ea 100644
--- a/src/engine/platform/su.h
+++ b/src/engine/platform/su.h
@@ -27,7 +27,7 @@
 
 class DivPlatformSoundUnit: public DivDispatch {
   struct Channel {
-    int freq, baseFreq, pitch, note;
+    int freq, baseFreq, pitch, pitch2, note;
     int ins, cutoff, res, control;
     signed char pan;
     unsigned char duty;
@@ -39,6 +39,7 @@ class DivPlatformSoundUnit: public DivDispatch {
       freq(0),
       baseFreq(0),
       pitch(0),
+      pitch2(0),
       note(0),
       ins(-1),
       cutoff(65535),
diff --git a/src/engine/platform/swan.h b/src/engine/platform/swan.h
index fdad150b..8997e28d 100644
--- a/src/engine/platform/swan.h
+++ b/src/engine/platform/swan.h
@@ -28,7 +28,7 @@
 
 class DivPlatformSwan: public DivDispatch {
   struct Channel {
-    int freq, baseFreq, pitch, note, ins;
+    int freq, baseFreq, pitch, pitch2, note, ins;
     unsigned char pan;
     bool active, insChanged, freqChanged, keyOn, keyOff, inPorta;
     int vol, outVol, wave;
@@ -38,6 +38,7 @@ class DivPlatformSwan: public DivDispatch {
       freq(0),
       baseFreq(0),
       pitch(0),
+      pitch2(0),
       note(0),
       ins(-1),
       pan(255),
diff --git a/src/engine/platform/tia.h b/src/engine/platform/tia.h
index 602cc6f1..cc59fc18 100644
--- a/src/engine/platform/tia.h
+++ b/src/engine/platform/tia.h
@@ -27,13 +27,13 @@
 class DivPlatformTIA: public DivDispatch {
   protected:
     struct Channel {
-      int freq, baseFreq, pitch, note, ins;
+      int freq, baseFreq, pitch, pitch2, note, ins;
       unsigned char shape;
       signed char konCycles;
       bool active, insChanged, freqChanged, keyOn, keyOff, portaPause, inPorta;
       int vol, outVol;
       DivMacroInt std;
-      Channel(): freq(0), baseFreq(0), pitch(0), note(0), ins(-1), shape(4), active(false), insChanged(true), freqChanged(false), keyOn(false), keyOff(false), portaPause(false), inPorta(false), vol(0), outVol(15) {}
+      Channel(): freq(0), baseFreq(0), pitch(0), pitch2(0), note(0), ins(-1), shape(4), active(false), insChanged(true), freqChanged(false), keyOn(false), keyOff(false), portaPause(false), inPorta(false), vol(0), outVol(15) {}
     };
     Channel chan[2];
     bool isMuted[2];
diff --git a/src/engine/platform/tx81z.h b/src/engine/platform/tx81z.h
index d9261ebd..e8bda6a3 100644
--- a/src/engine/platform/tx81z.h
+++ b/src/engine/platform/tx81z.h
@@ -35,7 +35,7 @@ class DivPlatformTX81Z: public DivDispatch {
       DivInstrumentFM state;
       DivMacroInt std;
       unsigned char freqH, freqL;
-      int freq, baseFreq, pitch, note, ins;
+      int freq, baseFreq, pitch, pitch2, note, ins;
       signed char konCycles;
       bool active, insChanged, freqChanged, keyOn, keyOff, inPorta, portaPause, furnacePCM, hardReset;
       int vol, outVol;
@@ -46,6 +46,7 @@ class DivPlatformTX81Z: public DivDispatch {
         freq(0),
         baseFreq(0),
         pitch(0),
+        pitch2(0),
         note(0),
         ins(-1),
         active(false),
diff --git a/src/engine/platform/vera.h b/src/engine/platform/vera.h
index 64dee5c7..b40598b3 100644
--- a/src/engine/platform/vera.h
+++ b/src/engine/platform/vera.h
@@ -29,7 +29,7 @@ struct VERA_PCM;
 class DivPlatformVERA: public DivDispatch {
   protected:
     struct Channel {
-      int freq, baseFreq, pitch, note, ins;
+      int freq, baseFreq, pitch, pitch2, note, ins;
       unsigned char pan;
       bool active, freqChanged, inPorta;
       int vol, outVol;
@@ -45,7 +45,8 @@ class DivPlatformVERA: public DivDispatch {
         bool depth16;
         PCMChannel(): sample(-1), pos(0), len(0), freq(0), depth16(false) {}
       } pcm;
-      Channel(): freq(0), baseFreq(0), pitch(0), note(0), ins(-1), pan(0), active(false), freqChanged(false), inPorta(false), vol(0), outVol(0), accum(0), noiseval(0) {}
+      // somebody please split this into multiple lines!
+      Channel(): freq(0), baseFreq(0), pitch(0), pitch2(0), note(0), ins(-1), pan(0), active(false), freqChanged(false), inPorta(false), vol(0), outVol(0), accum(0), noiseval(0) {}
     };
     Channel chan[17];
     bool isMuted[17];
diff --git a/src/engine/platform/vic20.h b/src/engine/platform/vic20.h
index 8c15c35d..0db37c5b 100644
--- a/src/engine/platform/vic20.h
+++ b/src/engine/platform/vic20.h
@@ -27,7 +27,7 @@
 
 class DivPlatformVIC20: public DivDispatch {
   struct Channel {
-    int freq, baseFreq, pitch, note, ins;
+    int freq, baseFreq, pitch, pitch2, note, ins;
     unsigned char pan;
     bool active, insChanged, freqChanged, keyOn, keyOff, inPorta;
     int vol, outVol, wave, waveWriteCycle;
@@ -36,6 +36,7 @@ class DivPlatformVIC20: public DivDispatch {
       freq(0),
       baseFreq(0),
       pitch(0),
+      pitch2(0),
       note(0),
       ins(-1),
       pan(255),
diff --git a/src/engine/platform/vrc6.h b/src/engine/platform/vrc6.h
index a44e9d33..45dcb5c5 100644
--- a/src/engine/platform/vrc6.h
+++ b/src/engine/platform/vrc6.h
@@ -28,7 +28,7 @@
 
 class DivPlatformVRC6: public DivDispatch {
   struct Channel {
-    int freq, baseFreq, pitch, note;
+    int freq, baseFreq, pitch, pitch2, note;
     int dacPeriod, dacRate, dacOut;
     unsigned int dacPos;
     int dacSample, ins;
@@ -40,6 +40,7 @@ class DivPlatformVRC6: public DivDispatch {
       freq(0),
       baseFreq(0),
       pitch(0),
+      pitch2(0),
       note(0),
       dacPeriod(0),
       dacRate(0),
diff --git a/src/engine/platform/x1_010.h b/src/engine/platform/x1_010.h
index bee54647..cceb6117 100644
--- a/src/engine/platform/x1_010.h
+++ b/src/engine/platform/x1_010.h
@@ -79,7 +79,7 @@ class DivPlatformX1_010: public DivDispatch {
         slide(0),
         slidefrac(0) {}
     };
-    int freq, baseFreq, pitch, note;
+    int freq, baseFreq, pitch, pitch2, note;
     int wave, sample, ins;
     unsigned char pan, autoEnvNum, autoEnvDen;
     bool active, insChanged, envChanged, freqChanged, keyOn, keyOff, inPorta, furnacePCM, pcm;
@@ -89,7 +89,7 @@ class DivPlatformX1_010: public DivDispatch {
     DivMacroInt std;
     DivWaveSynth ws;
     void reset() {
-        freq = baseFreq = pitch = note = 0;
+        freq = baseFreq = pitch = pitch2 = note = 0;
         wave = sample = ins = -1;
         pan = 255;
         autoEnvNum = autoEnvDen = 0;
@@ -100,7 +100,7 @@ class DivPlatformX1_010: public DivDispatch {
         waveBank = 0;
     }
     Channel():
-      freq(0), baseFreq(0), pitch(0), note(0),
+      freq(0), baseFreq(0), pitch(0), pitch2(0), note(0),
       wave(-1), sample(-1), ins(-1),
       pan(255), autoEnvNum(0), autoEnvDen(0),
       active(false), insChanged(true), envChanged(true), freqChanged(false), keyOn(false), keyOff(false), inPorta(false), furnacePCM(false), pcm(false),
diff --git a/src/engine/platform/ym2610.h b/src/engine/platform/ym2610.h
index af947199..ec1b2497 100644
--- a/src/engine/platform/ym2610.h
+++ b/src/engine/platform/ym2610.h
@@ -43,7 +43,7 @@ class DivPlatformYM2610: public DivDispatch {
     struct Channel {
       DivInstrumentFM state;
       unsigned char freqH, freqL;
-      int freq, baseFreq, pitch, note, ins;
+      int freq, baseFreq, pitch, pitch2, note, ins;
       unsigned char psgMode, autoEnvNum, autoEnvDen;
       signed char konCycles;
       bool active, insChanged, freqChanged, keyOn, keyOff, portaPause, inPorta, furnacePCM, hardReset;
@@ -57,6 +57,7 @@ class DivPlatformYM2610: public DivDispatch {
         freq(0),
         baseFreq(0),
         pitch(0),
+        pitch2(0),
         note(0),
         ins(-1),
         psgMode(1),
diff --git a/src/engine/platform/ym2610b.h b/src/engine/platform/ym2610b.h
index d2363ed1..0ce1e0f7 100644
--- a/src/engine/platform/ym2610b.h
+++ b/src/engine/platform/ym2610b.h
@@ -35,7 +35,7 @@ class DivPlatformYM2610B: public DivDispatch {
     struct Channel {
       DivInstrumentFM state;
       unsigned char freqH, freqL;
-      int freq, baseFreq, pitch, note, ins;
+      int freq, baseFreq, pitch, pitch2, note, ins;
       unsigned char psgMode, autoEnvNum, autoEnvDen;
       signed char konCycles;
       bool active, insChanged, freqChanged, keyOn, keyOff, portaPause, inPorta, furnacePCM, hardReset;
@@ -49,6 +49,7 @@ class DivPlatformYM2610B: public DivDispatch {
         freq(0),
         baseFreq(0),
         pitch(0),
+        pitch2(0),
         note(0),
         ins(-1),
         psgMode(1),
diff --git a/src/engine/platform/ym2610bext.h b/src/engine/platform/ym2610bext.h
index c2cd4fb3..5dd98c87 100644
--- a/src/engine/platform/ym2610bext.h
+++ b/src/engine/platform/ym2610bext.h
@@ -25,12 +25,12 @@ class DivPlatformYM2610BExt: public DivPlatformYM2610B {
   struct OpChannel {
     DivMacroInt std;
     unsigned char freqH, freqL;
-    int freq, baseFreq, pitch, ins;
+    int freq, baseFreq, pitch, pitch2, ins;
     signed char konCycles;
     bool active, insChanged, freqChanged, keyOn, keyOff, portaPause;
     int vol;
     unsigned char pan;
-    OpChannel(): freqH(0), freqL(0), freq(0), baseFreq(0), pitch(0), ins(-1), active(false), insChanged(true), freqChanged(false), keyOn(false), keyOff(false), portaPause(false), vol(0), pan(3) {}
+    OpChannel(): freqH(0), freqL(0), freq(0), baseFreq(0), pitch(0), pitch2(0), ins(-1), active(false), insChanged(true), freqChanged(false), keyOn(false), keyOff(false), portaPause(false), vol(0), pan(3) {}
   };
   OpChannel opChan[4];
   bool isOpMuted[4];
diff --git a/src/engine/platform/ym2610ext.h b/src/engine/platform/ym2610ext.h
index b8922912..0ff45981 100644
--- a/src/engine/platform/ym2610ext.h
+++ b/src/engine/platform/ym2610ext.h
@@ -25,12 +25,12 @@ class DivPlatformYM2610Ext: public DivPlatformYM2610 {
   struct OpChannel {
     DivMacroInt std;
     unsigned char freqH, freqL;
-    int freq, baseFreq, pitch, ins;
+    int freq, baseFreq, pitch, pitch2, ins;
     signed char konCycles;
     bool active, insChanged, freqChanged, keyOn, keyOff, portaPause;
     int vol;
     unsigned char pan;
-    OpChannel(): freqH(0), freqL(0), freq(0), baseFreq(0), pitch(0), ins(-1), active(false), insChanged(true), freqChanged(false), keyOn(false), keyOff(false), portaPause(false), vol(0), pan(3) {}
+    OpChannel(): freqH(0), freqL(0), freq(0), baseFreq(0), pitch(0), pitch2(0), ins(-1), active(false), insChanged(true), freqChanged(false), keyOn(false), keyOff(false), portaPause(false), vol(0), pan(3) {}
   };
   OpChannel opChan[4];
   bool isOpMuted[4];