C51 COMPILER V6.12  4_1                                                                    10/03/2007 17:30:06 PAGE 1   


C51 COMPILER V6.12, COMPILATION OF MODULE 4_1
OBJECT MODULE PLACED IN .\4_1.obj
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE ..\lesson4\4_1.c DEBUG OBJECTEXTEND PRINT(.\4_1.lst) OBJECT(.\4_1.obj) 

stmt level    source

   1          /*******************************************************************/
   2          /* TX-1C单片机实验板实验例程        							   */
   3          /* 2007年8月第二期培训班课后习题详解							   */
   4          /* 作者：郭天祥      											   */
   5          /* 邮箱：txmcu@163.com 										  	   */
   6          /* 网站：www.txmcu.com(天祥电子)    							   */
   7          /*【版权】Copyright(C)天祥电子 www.txmcu.com  All Rights Reserved  */
   8          /*【声明】此程序仅用于学习与参考，引用请注明版权和作者信息！       */
   9          /*                                                                 */
  10          /*******************************************************************/
  11          /*                                                          
  12          利用动态扫描方法在六位数码管上显示出稳定的654321.
  13          时钟频率为11.0592M
  14          */
  15          /*********************************************************/
  16          #include<reg52.h>  //52单片机头文件
  17          #include <intrins.h> //包含有左右循环移位子函数的库
  18          #define uint unsigned int    //宏定义
  19          #define uchar unsigned char  //宏定义
  20          sbit dula=P2^6;       //数码管段选锁存端
  21          sbit wela=P2^7;       ////数码管位选锁存端
  22          uchar code table[]={
  23          0x3f,0x06,0x5b,0x4f,
  24          0x66,0x6d,0x7d,0x07,
  25          0x7f,0x6f,0x77,0x7c,
  26          0x39,0x5e,0x79,0x71};
  27          void display(uchar,uchar,uchar,uchar,uchar,uchar);
  28          void delay(uint);
  29          void main()
  30          {
  31   1      	while(1)
  32   1      	{
  33   2      		display(6,5,4,3,2,1);
  34   2      	}
  35   1      }
  36          
  37          void display(uchar one,uchar two,uchar three,uchar four,uchar five,uchar six)
  38          {
  39   1              dula=1;
  40   1      		P0=table[one];
  41   1      		dula=0;
  42   1      		P0=0xff;
  43   1      		wela=1;
  44   1      		P0=0xfe;
  45   1      		wela=0;
  46   1      		delay(1);
  47   1      
  48   1      		dula=1;
  49   1      		P0=table[two];
  50   1      		dula=0;
  51   1      		P0=0xff;
  52   1      		wela=1;
  53   1      		P0=0xfd;
  54   1      		wela=0;
  55   1      		delay(1);
C51 COMPILER V6.12  4_1                                                                    10/03/2007 17:30:06 PAGE 2   

  56   1      
  57   1      		dula=1;
  58   1      		P0=table[three];
  59   1      		dula=0;
  60   1      		P0=0xff;
  61   1      		wela=1;
  62   1      		P0=0xfb;
  63   1      		wela=0;
  64   1      		delay(1);
  65   1      
  66   1      		dula=1;
  67   1      		P0=table[four];
  68   1      		dula=0;
  69   1      		P0=0xff;
  70   1      		wela=1;
  71   1      		P0=0xf7;
  72   1      		wela=0;
  73   1      		delay(1);
  74   1      
  75   1      		dula=1;
  76   1      		P0=table[five];
  77   1      		dula=0;
  78   1      		P0=0xff;
  79   1      		wela=1;
  80   1      		P0=0xef;
  81   1      		wela=0;
  82   1      		delay(1);
  83   1      
  84   1      		dula=1;
  85   1      		P0=table[six];
  86   1      		dula=0;
  87   1      		P0=0xff;
  88   1      		wela=1;
  89   1      		P0=0xdf;
  90   1      		wela=0;
  91   1      		delay(1);
  92   1      }
  93          
  94          void delay(uint z)
  95          {
  96   1      	uint x,y;
  97   1      	for(x=z;x>0;x--)
  98   1      		for(y=110;y>0;y--);
  99   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    197    ----
   CONSTANT SIZE    =     16    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       6
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)