the chips that still do not have sample offset

- Lynx
- MMC5
- NES
- PCE
- QSound
- SegaPCM
- Swan
- VERA
- VRC6
- X1-010

src/engine/platform/nes.h

@@ -29,7 +29,7 @@ class DivPlatformNES: public DivDispatch {
   struct Channel: public SharedChannel<signed char> {
     int prevFreq;
     unsigned char duty, sweep, envMode, len;
-    bool sweepChanged, furnaceDac;
+    bool sweepChanged, furnaceDac, setPos;
     Channel():
       SharedChannel<signed char>(15),
       prevFreq(65535),
@@ -38,7 +38,8 @@ class DivPlatformNES: public DivDispatch {
       envMode(3),
       len(0x1f),
       sweepChanged(false),
-      furnaceDac(false) {}
+      furnaceDac(false),
+      setPos(false) {}
   };
   Channel chan[5];
   DivDispatchOscBuffer* oscBuf[5];