(finally) fix sound

* reset capture position when starting capture
* reorder channel/capture handling
* implement FIFO for channel and capture

src/NDS.cpp

@@ -329,9 +329,6 @@ void Reset()
     memset(SchedList, 0, sizeof(SchedList));
     SchedListMask = 0;
 
-    /*ARM9Cycles = 0;
-    ARM7Cycles = 0;
-    SchedCycles = 0;*/
     CurIterationCycles = 0;
     ARM7Offset = 0;