ref: 4e96f9d232cd51be9d51a76f7d0cc6211aaccdca dir: /audio/sfx/enter_pc_1.asm/
SFX_Enter_PC_1_Ch5: duty_cycle 2 square_note 6, 15, 0, 1792 square_note 4, 0, 0, 0 square_note 6, 15, 0, 1792 square_note 1, 0, 0, 0 sound_ret