ref: 91dc3c9f9c8fd529bb6e8307b58b96efa0bec67e
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