text1.lst

用8只数码管显示不同的字符

C51 COMPILER V7.01  TEXT1                                                                  10/08/2008 22:55:38 PAGE 1   


C51 COMPILER V7.01, COMPILATION OF MODULE TEXT1
OBJECT MODULE PLACED IN Text1.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE Text1.C BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include <reg51.h>
   2          #include <intrins.h>
   3          
   4          #define uchar unsigned char
   5          #define uint  unsigned int
   6          
   7          //各数字的数码管段码
   8          uchar code DSY_CODE[] = {0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90};
   9          
  10          //-----------------------------------------------------------------     
  11          // 延时子程序    
  12          //-----------------------------------------------------------------
  13          void DelayMS(uint ms) 
  14          {
  15   1         uchar t;
  16   1         while(ms--)
  17   1         { 
  18   2           for(t = 0; t < 120; t++);
  19   2         }
  20   1      }
  21          
  22          //-----------------------------------------------------------------     
  23          // 主程序        
  24          //-----------------------------------------------------------------
  25          void main()
  26          {
  27   1         uchar k,m = 0x80;
  28   1       
  29   1         P0 = 0xff;
  30   1         P2 = 0x00;
  31   1         
  32   1         while(1)
  33   1         {
  34   2            for(k = 0; k < 8; k++)
  35   2            {
  36   3              m = _crol_(m,1);
  37   3                      P0 = DSY_CODE[k+1]; //显示1-8
  38   3              P2 = m;
  39   3              DelayMS(100);
  40   3              P2 = 0x00;
  41   3            }
  42   2         }
  43   1      }
  44          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     69    ----
   CONSTANT SIZE    =     10    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.

C51 COMPILER V7.01  TEXT1                                                                  10/08/2008 22:55:38 PAGE 2   


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