NESHQ.com - Your Source for NES Information             Navigation               Home 6502 and Programming Editorials Emulation F.A.Q. Features - Games - Hardware: General Hardware: Mappers Hardware: Modifications Hardware: NES Hardware Hosted & Mirrored Sites Links Lists Media Misc NSF and Music Pirate and Unlicensed Projects Sprites and Images Staff                       Games               Sound Test - Once 'push start' appears at the title screen hold the A button and press DR, DU, DD, DR, DD, DL, DU. Release A, hold B, and press DR, DU, DL, DD, DR, DD, DL, and DU.