/*  名稱：INT0 及 INT1 中斷計(jì)數(shù)

說(shuō)明：每次按下第 1 個(gè)計(jì)數(shù)鍵時(shí)，

第 1 組計(jì)數(shù)值累加并顯示在右邊 3 只數(shù)

碼管上， 每次按下第 2 個(gè)計(jì)數(shù)鍵時(shí)，第

2 組計(jì)數(shù)值累加并顯示在左邊 3 只數(shù)碼管上，后兩個(gè)按鍵分別清零。

*/

#include<reg51.h>

#define uchar unsigned char

#define uint unsigned int

sbit K3=P3^4; //2 個(gè)清零鍵

sbit K4=P3^5; 

//數(shù)碼管段碼與位碼

uchar code DSY_CODE[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff};

uchar code DSY_Scan_Bits[]={0x20,0x10,0x08,0x04,0x02,0x01};

//2 組計(jì)數(shù)的顯示緩沖，前 3 位一組，后 3 位一組

uchar data Buffer_Counts[]={0,0,0,0,0,0};

uint Count_A,Count_B=0; 

//延時(shí)

void DelayMS(uint x)

{

uchar t;

while(x--) for(t=0;t<120;t++);

}

//數(shù)據(jù)顯示

void Show_Counts()

{

uchar i;

Buffer_Counts[2]=Count_A/100;

Buffer_Counts[1]=Count_A%100/10;

Buffer_Counts[0]=Count_A%10;

{

if( Buffer_Counts[2]==0)