the chips that still do not have sample offset

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

src/engine/platform/swan.cpp

@@ -556,6 +556,7 @@ void DivPlatformSwan::reset() {
   pcm=false;
   sweep=false;
   furnaceDac=false;
+  setPos=false;
   noise=0;
   dacPeriod=0;
   dacRate=0;