ref: 0c4d2e178ebbcee1d0b8de6354fef2d1134d90bc dir: /audio/sfx/ledge_1.asm/
SFX_Ledge_1_Ch5: duty_cycle 2 pitch_sweep 9, 5 square_note 15, 15, 2, 1024 pitch_sweep 0, 8 sound_ret