Steps to recreate:
- Open ZeldaClassic.sln in Microsoft Visual Studio
- Set a breakpoint at the { of body of playTune(int32_t) in zquest.cpp
- F5 (Debug->Start Debugging)
- Etc->Media->Ambient Music->Wind Fish
- F5 (Debug->Continue)
- ASSERT(new_speed_secs > 0); fails in al_set_timer_speed