main.lst

从零开始学51单片机源代码

C51 COMPILER V8.08   MAIN                                                                  02/12/2012 22:02:20 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          #include <reg51.h>
   2           //定义端口寄存器
   3          sfr P0M0 = 0X93;
   4          sfr P0M1 = 0X94;
   5          sfr P1M0 = 0X91;
   6          sfr P1M1 = 0X92;
   7          sfr P2M0 = 0X95;
   8          sfr P2M1 = 0X96;  
   9          sfr P3M0 = 0Xb1;
  10          sfr P3M1 = 0Xb2;
  11          //定义看门狗寄存器 
  12          sfr WDT_CONTR = 0xe1;
  13          
  14          sbit led0 = P1^0;//定义端口 
  15          
  16          //定义延时函数
  17          void ms_delay(unsigned int t)
  18          {
  19   1              unsigned  int  i;
  20   1              for (t; t > 0; t--)     //外层循环t次    
  21   1                      for (i = 110;i > 0; i--)        //内层循环110次            
  22   1                      ;
  23   1      } 
  24          
  25          main()
  26          {
  27   1              //配置端口模式 
  28   1              P1M1 = 0x00;
  29   1              P1M0 = 0x00;
  30   1              WDT_CONTR = 0x34;//启动定时器，11.0592MHz晶振下，溢出时间1.1377s
  31   1      
  32   1              while(1)
  33   1              {
  34   2                      led0 = ~led0;
  35   2                      ms_delay(1000);
  36   2                      WDT_CONTR |= 0x10;//喂狗 
  37   2              }
  38   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     52    ----
   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)