ex1.lst

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C51 COMPILER V8.08   EX1                                                                   09/04/2008 16:42:25 PAGE 1   


C51 COMPILER V8.08, COMPILATION OF MODULE EX1
OBJECT MODULE PLACED IN ex1.OBJ
COMPILER INVOKED BY: C:\Program Files\keil\C51\BIN\C51.EXE ex1.C BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <reg51.h>                                              //头文件
   2          
   3          void    main(void)                                              //主函数
   4          {
   5   1      SCON=0x40;                                                      //初始化串行口模式1
   6   1      PCON=0x80;                                                      //设置波特率倍增位SMOD=1
   7   1      TMOD=0x20;                                                      //初始化T1为定时功能，模式2
   8   1      TL1=0xF4;                                                       //波特率4800bit/s，初值
   9   1      TH1=0xF4;
  10   1      ES=0;                                                           //禁止串行中断
  11   1      TR1=1;                                                          //启动定时器
  12   1      
  13   1      SBUF=0x70;                                                      //将0x70送入发送缓冲器
  14   1      while(TI)                                                               //等待TI=1
  15   1      {
  16   2              TI=0;                                                           //TI清零
  17   2      }
  18   1      
  19   1      SBUF=0x71;                                                      //第二次数据发送
  20   1      while(TI)                                                               //等待TI=1
  21   1      {
  22   2              TI=0;                                                           //TI清零
  23   2      }
  24   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     40    ----
   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)