/* Name: Timing program within 100 000s
Description: Complete 0~99 999.9s on 6 digital tubes.
*/
#include
#include
#define uchar unsigned char
#define uint unsigned int
//segment code
Uchar code
DSY_CODE[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
//6 numbers displayed on the digital tube
Uchar Digits_of_6DSY[]={0,0,0,0,0,0};
Uchar Count;
Sbit Dot=P0^7;
//delay
Void DelayMS(uint ms)
{
Uchar t;
While(ms--) for(t=0;t<120;t++);
}
/ / Main program
Void main()
{
Uchar i,j;
P0=0x00;
P3=0xff;
Count=0;
TMOD=0x01;
//Counter T0 mode 1
TH0=(65536-50000)/256; //50ms timing
TL0=(65536-50000)%256;
IE=0x82;
TR0=1; //Start T0
While(1)
{
j=0x7f;
/ / Display the contents of Digits_of_6DSY[5]~Digits_of_6DSY[0]
//The front high position, the lower low position, the i!=-1 in the loop can also be written as i!=0xff
For(i=5;i!=-1;i--)
{
j=_crol_(j,1);
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