By Proteus simulation microcontroller to achieve Music Box (I wish you peace) development project development environment: Proteus7.5, Keil C51 Vision3 8.02 version of the development languages: C language reference books: How to Make 51 SCM Engineer- Based on the C language+Proteus Simulation (Yang eds)

SOUND3\delay.c
......\delay.h
......\delay.LST
......\delay.OBJ
......\Interrupt3.DSN
......\Interrupt3.PWI
......\Last Loaded Interrupt3.DBK
......\main.c
......\main.h
......\main.LST
......\main.OBJ
......\main1.c
......\main1.LST
......\main1.OBJ
......\SOUND3
......\SOUND3.hex
......\SOUND3.lnp
......\SOUND3.M51
......\SOUND3.Opt
......\SOUND3.plg
......\SOUND3.Uv2
......\SOUND3_Opt.Bak
......\SOUND3_Uv2.Bak
......\STARTUP.A51
......\STARTUP.LST
......\STARTUP.OBJ
SOUND3

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