ref: 1682aeb62a4abffa212705fe5aa139f1f8e562ee
dir: /audio/sfx/purchase_3.asm/
SFX_Purchase_3_Ch5: duty_cycle 2 square_note 4, 14, 1, 1792 square_note 8, 15, 2, 2016 sound_ret SFX_Purchase_3_Ch6: duty_cycle 2 square_note 1, 0, 8, 0 square_note 4, 9, 1, 1729 square_note 8, 10, 2, 1953 sound_ret