From d2a78295cebac49f1b84018e94c8312612c5f7d8 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Fri, 25 Mar 2022 01:42:04 -0500
Subject: [PATCH] OPLL: wooooow how did this break

---
 src/engine/instrument.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/engine/instrument.cpp b/src/engine/instrument.cpp
index 785c9b19..b87dd133 100644
--- a/src/engine/instrument.cpp
+++ b/src/engine/instrument.cpp
@@ -724,6 +724,13 @@ DivDataErrors DivInstrument::readInsData(SafeReader& reader, short version) {
     std.dutyMacroRel=-1;
   }
 
+  // clear wave macro if OPLL instrument and version<70
+  if (version<70 && type==DIV_INS_OPLL) {
+    std.waveMacroLen=0;
+    std.waveMacroLoop=-1;
+    std.waveMacroRel=-1;
+  }
+
   // sample map
   if (version>=67) {
     amiga.useNoteMap=reader.readC();