Description: In circuit design manual play and auto play can choose to use the program after the download is complete, you can manually play and auto play buttons conversion, the switch button when the button is in the 1 state. Is in the auto-play music (two tigers), when the key 0 in the manual to play music. Play automatically and manually play without disturbing each other, but you can a button to convert, and ultimately the purpose of the experiment.
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music.txt.txt