(finally) fix sound

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

src/libui_sdl/main.cpp

@@ -662,7 +662,7 @@ void OnAreaResize(uiAreaHandler* handler, uiArea* area, int width, int height)
 
 
 void Run()
-{printf("go sonic go\n");
+{
     EmuRunning = 1;
     RunningSomething = true;