Previously, defaultsChanged was crashing on the call EMU_enableSound as it was being called before the SPU_Core was initialised (as initialisation is done as part of EMU_init, which is performed as part of loadROM). To fix the crash, the initial defaultsChanged call was moved to after the loadROM call in viewDidAppear.
Fixes #20, #23
Previously, defaultsChanged was crashing on the call EMU_enableSound as it was being called before the SPU_Core was initialised (as initialisation is done as part of EMU_init, which is performed as part of loadROM). To fix the crash, the initial defaultsChanged call was moved to after the loadROM call in viewDidAppear.
/cc @ReimuHakurei @inb4ohnoes