diff --git a/papers/format.md b/papers/format.md
index d30c48b52..e7bf1de68 100644
--- a/papers/format.md
+++ b/papers/format.md
@@ -32,6 +32,7 @@ these fields are 0 in format versions prior to 100 (0.6pre1).
 
 the format versions are:
 
+- 130: Furnace dev130
 - 129: Furnace dev129
 - 128: Furnace dev128
 - 127: Furnace dev127
@@ -365,7 +366,7 @@ size | description
      | - this one isn't a compatibility flag, but it's here for convenience...
   1  | disable sample macro (>=117) or reserved
   1  | broken outVol episode 2 (>=121) or reserved
-  1  | reserved
+  1  | old arpeggio strategy (>=130) or reserved
  --- | **virtual tempo data**
   2  | virtual tempo numerator of first song (>=96) or reserved
   2  | virtual tempo denominator of first song (>=96) or reserved
diff --git a/src/engine/chipUtils.h b/src/engine/chipUtils.h
index b864ff92c..e48086d74 100644
--- a/src/engine/chipUtils.h
+++ b/src/engine/chipUtils.h
@@ -33,9 +33,13 @@ template<typename T> struct SharedChannel {
   bool active, insChanged, freqChanged, keyOn, keyOff, portaPause, inPorta;
   T vol, outVol;
   DivMacroInt std;
+  void handleArp() {
+  }
   void macroInit(DivInstrument* which) {
     std.init(which);
     pitch2=0;
+    arpOff=0;
+    baseFreqOverride=-1;
   }
   SharedChannel(T initVol):
     freq(0),
diff --git a/src/engine/dispatch.h b/src/engine/dispatch.h
index 59b696758..c20f60738 100644
--- a/src/engine/dispatch.h
+++ b/src/engine/dispatch.h
@@ -635,4 +635,6 @@ class DivDispatch {
   if (x<xMin) x=xMin; \
   if (x>xMax) x=xMax;
 
+#define NEW_ARP_STRAT (parent->song.linearPitch==2 && !parent->song.newArpStrategy)
+
 #endif