#include??
unsigned?int?t02s;?
unsigned?char?t05ms;?
bit?flag;?
??
void?main（void）?
{?
??TMOD=0x01;?
??TH0=（65536-500）/256;?
??TL0=（65536-500）%256;?
??TR0=1;?
??ET0=1;?
??EA=1;?
??while（1）;?
}?
??
void?t0（void）?interrupt?1?using?0?
{?
??TH0=（65536-500）/256;?
??TL0=（65536-500）%256;?
??t02s++;?
??if（t02s==400）?
????{?
??????t02s=0;?
??????flag=~flag;?
????}?
??if（flag==0）?
????{?
??????P1_0=~P1_0;?
????}?
}?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????78336??2007-08-12?22:57??“嘀、嘀、……”報警聲\18.“嘀、嘀、……”報警聲.doc

?????文件??????63659??2011-11-09?17:52??“嘀、嘀、……”報警聲\di..di-1.DSN

?????文件???????1164??2011-12-07?13:50??“嘀、嘀、……”報警聲\di..di-1.PWI

?????文件??????12446??2010-11-27?21:21??“嘀、嘀、……”報警聲\di..di.DSN

?????文件????????768??2011-12-07?13:49??“嘀、嘀、……”報警聲\di..di.PWI

?????文件???????1408??2007-07-31?10:46??“嘀、嘀、……”報警聲\Keil-C\di..di

?????文件????????452??2007-07-31?10:46??“嘀、嘀、……”報警聲\Keil-C\di..di..c

?????文件???????1610??2007-07-31?10:46??“嘀、嘀、……”報警聲\Keil-C\di..di..LST

?????文件???????1680??2007-07-31?10:46??“嘀、嘀、……”報警聲\Keil-C\di..di..OBJ

?????文件????????960??2007-07-31?10:47??“嘀、嘀、……”報警聲\Keil-C\di..di..Opt

?????文件????????128??2007-07-31?10:47??“嘀、嘀、……”報警聲\Keil-C\di..di..plg

?????文件???????1655??2007-07-31?10:47??“嘀、嘀、……”報警聲\Keil-C\di..di..Uv2

?????文件????????275??2007-07-31?10:46??“嘀、嘀、……”報警聲\Keil-C\di..di.hex

?????文件?????????31??2007-07-31?10:46??“嘀、嘀、……”報警聲\Keil-C\di..di.lnp

?????文件???????6655??2007-07-31?10:46??“嘀、嘀、……”報警聲\Keil-C\di..di.M51

?????文件??????????0??2007-07-31?10:46??“嘀、嘀、……”報警聲\Keil-C\di__di__Uv2.Bak

?????文件????????594??2007-07-31?10:47??“嘀、嘀、……”報警聲\Keil-H\di..di

?????文件????????597??2007-07-31?10:47??“嘀、嘀、……”報警聲\Keil-H\di..di..asm

?????文件???????3343??2007-07-31?10:47??“嘀、嘀、……”報警聲\Keil-H\di..di..LST

?????文件????????547??2007-07-31?10:47??“嘀、嘀、……”報警聲\Keil-H\di..di..OBJ

?????文件????????965??2007-07-31?10:50??“嘀、嘀、……”報警聲\Keil-H\di..di..Opt

?????文件????????131??2007-07-31?10:47??“嘀、嘀、……”報警聲\Keil-H\di..di..plg

?????文件???????1659??2007-07-31?10:50??“嘀、嘀、……”報警聲\Keil-H\di..di..Uv2

?????文件????????208??2007-07-31?10:47??“嘀、嘀、……”報警聲\Keil-H\di..di.hex

?????文件?????????31??2007-07-31?10:47??“嘀、嘀、……”報警聲\Keil-H\di..di.lnp

?????文件???????2813??2007-07-31?10:47??“嘀、嘀、……”報警聲\Keil-H\di..di.M51

?????文件??????????0??2007-07-31?10:47??“嘀、嘀、……”報警聲\Keil-H\di__di__Uv2.Bak

?????文件??????63659??2010-11-27?22:24??“嘀、嘀、……”報警聲\Last?Loaded?di..di-1.DBK

?????文件??????36811??2007-10-16?21:26??“嘀、嘀、……”報警聲\Last?Loaded?di..di.DBK

?????文件?????301568??2010-11-28?14:05??“嘀、嘀、……”報警聲\單片機實踐.ppt

............此處省略7個文件信息