这个页面详细说明了 Bugs:Deja Vu 的错误(BUGS).
Music Engine Bug
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A bug exists in the music engine for the triangle channel. At steady intervals, a note is dropped for certain tracks at different points while the channel plays. Shadowgate also has this bug, but it was later fixed in Uninvited. Despite the bug, the baseline for the tracks can be heard in their entirety after a couple of loops . Certain NSF files omit the first triangle note once a song starts unlike the game's sound engine.