ref: 1682aeb62a4abffa212705fe5aa139f1f8e562ee
dir: /audio/sfx/silph_scope.asm/
SFX_Silph_Scope_Ch5: duty_cycle 0 square_note 0, 13, 2, 1792 square_note 0, 13, 2, 1856 square_note 0, 13, 2, 1920 square_note 0, 13, 2, 1984 square_note 10, 14, 1, 2016 square_note 1, 0, 0, 0 sound_ret