实验(十二)蜂鸣器音乐播放实验\beep
............................\beep.c
............................\beep.hex
............................\beep.lnp
............................\beep.ls1
............................\beep.LST
............................\beep.M51
............................\beep.OBJ
............................\beep.Opt
............................\beep.plg
............................\beep.SRC
............................\beep.Uv2
............................\beep._ia
............................\beep.__i
............................\beep_Opt.Bak
............................\beep_Uv2.Bak
............................\key.h
............................\led.h
............................\STARTUP.A51
............................\STARTUP.LST
............................\STARTUP.OBJ
实验(十二)蜂鸣器音乐播放实验