main.lst

从零开始学51单片机源代码

C51 COMPILER V8.08   MAIN                                                                  06/30/2012 17:07:47 PAGE 1   


C51 COMPILER V8.08, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE main.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          //main.c
   2          #include <reg51.h>      //包含头文件
   3          
   4           //定义端口寄存器
   5          sfr P0M0 = 0X93;
   6          sfr P0M1 = 0X94;
   7          sfr P1M0 = 0X91;
   8          sfr P1M1 = 0X92;
   9          sfr P2M0 = 0X95;
  10          sfr P2M1 = 0X96;  
  11          sfr P3M0 = 0Xb1;
  12          sfr P3M1 = 0Xb2;    
  13          
  14          //定义端口 
  15          sbit led0 = P1^0;
  16          
  17          //定义延时函数
  18          void ms_delay(unsigned int t)
  19          {
  20   1              unsigned  int  i;
  21   1              for (t; t > 0; t--)     //外层循环t次    
  22   1                      for (i = 110;i > 0; i--)        //内层循环110次            
  23   1                      ;
  24   1      }  
  25          
  26          main()
  27          {
  28   1              //配置端口模式 
  29   1              P1M1 = 0x00;
  30   1              P1M0 = 0x00;
  31   1      
  32   1              
  33   1      
  34   1              while(1)
  35   1              {
  36   2                      led0 = 0;       //点亮led
  37   2                      ms_delay(500);
  38   2                      led0 = 1;       //关闭led                                               
  39   2                      ms_delay(500);
  40   2              }
  41   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     55    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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