Is a single-chip music code, need for reference.

播放音乐\八月桂花开.txt
........\新建 文本文档.txt
........\BELL\buzz_Uv2.Bak
........\....\HAPPY.ASM
........\....\Happy.LST
........\....\MUSIC.LNP
........\....\MUSIC.M51
........\....\MUSIC.PLG
........\....\README.TXT
........\....\Startup.OBJ
........\....\music
........\....\buzz.Uv2
........\....\buzz.Opt
........\....\buzz_Opt.Bak
........\....\Happy.OBJ
........\....\music.hex
........\....（源文件）\HAPPY.ASM
........\..............\Happy.LST
........\..............\MUSIC.HEX
........\..............\MUSIC.LNP
........\..............\MUSIC.M51
........\..............\MUSIC.PLG
........\..............\README.TXT
........\..............\Startup.OBJ
........\..............\buzz_Uv2.Bak
........\..............\buzz.Uv2
........\..............\buzz_Opt.Bak
........\..............\Happy.OBJ
........\..............\music
........\..............\buzz.Opt
........\bell.PWI
........\Last Loaded bell.DBK
........\bell.DSN
........\music.txt
........\BELL
........\BELL（源文件）
播放音乐

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