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利用定時(shí)器和中斷編寫(xiě)的秒表程序,自己一點(diǎn)一點(diǎn)手打,簡(jiǎn)單明了,適合學(xué)習(xí)!帶proteus仿真,C語(yǔ)言編寫(xiě)!

資源截圖

代碼片段和文件信息

#include
#define?uchar?unsigned?char?

uchar?number=0a=0;

unsigned?char?code?du[]={0xc00xf90xa40xb00x990x920x820xf80x800x90};//共陽(yáng)?
unsigned?char?code?wei[]={0x080x040x020x01};

void?delay(uchar?time);

void?delay(uchar?time)
{
uchar?ij;
for(i=time;i--;i>0)
for(j=125;j--;j>0);
}

void?display(void);

void?display(void)
{
P0=du[a%10];
P2=wei[0];
delay(50);

P0=du[a/10];
P2=wei[1];
delay(60);
}

void?main(void)
{
TMOD=0x01;
TR0=1;
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
EA=1;
ET0=1;
while(1)
{
display();
}
}

void?time0(void)?interrupt?1
{
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
number++;
if(number==20)
{
number=0;
a++;
if(a>59)
{
a=0;
}
}
}?

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----

?????文件???????6376??2009-05-07?14:37??秒表\STARTUP.A51

?????文件??????14048??2012-12-08?16:19??秒表\STARTUP.LST

?????文件????????749??2012-12-08?16:19??秒表\STARTUP.OBJ

?????文件???????3718??2012-12-08?16:19??秒表\秒表

?????文件????????786??2012-12-08?16:02??秒表\秒表.c

?????文件??????83493??2012-10-11?22:07??秒表\秒表.DSN

?????文件????????920??2012-12-08?16:19??秒表\秒表.hex

?????文件?????????56??2012-12-08?16:19??秒表\秒表.lnp

?????文件???????2747??2012-12-08?16:19??秒表\秒表.LST

?????文件???????6660??2012-12-08?16:19??秒表\秒表.M51

?????文件???????3471??2012-12-08?16:19??秒表\秒表.OBJ

?????文件???????4558??2012-12-08?16:19??秒表\秒表.plg

????.......?????55663??2012-12-08?16:19??秒表\秒表.uvopt

????.......?????13414??2012-12-08?16:19??秒表\秒表.uvproj

????.......?????????0??2012-12-08?15:18??秒表\秒表_uvproj.bak

?????目錄??????????0??2012-12-08?16:20??秒表

-----------?---------??----------?-----??----

???????????????196659????????????????????16


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