Add SM8521 instrument type

src/engine/instrument.cpp

@@ -924,6 +924,10 @@ void DivInstrument::putInsData2(SafeWriter* w, bool fui, const DivSong* song) {
         break;
       case DIV_INS_POKEMINI:
         break;
+      case DIV_INS_SM8521:
+        checkForWL=true;
+        if (ws.enabled) featureWS=true;
+        break;
       
       case DIV_INS_MAX:
         break;

src/engine/instrument.h

@@ -78,6 +78,7 @@ enum DivInstrumentType: unsigned short {
   DIV_INS_K007232=45,
   DIV_INS_GA20=46,
   DIV_INS_POKEMINI=47,
+  DIV_INS_SM8521=48,
   DIV_INS_MAX,
   DIV_INS_NULL
 };

src/engine/sysDef.cpp

@@ -1828,7 +1828,7 @@ void DivEngine::registerSystems() {
     {"Channel 1", "Channel 2", "Noise"},
     {"CH1", "CH2", "NOI"},
     {DIV_CH_WAVE, DIV_CH_WAVE, DIV_CH_NOISE},
-    {DIV_INS_NAMCO, DIV_INS_NAMCO, DIV_INS_NAMCO},
+    {DIV_INS_SM8521, DIV_INS_SM8521, DIV_INS_SM8521},
     {},
     namcoEffectHandlerMap
   );