ex19.lst

RZ-51V20 实例程序

C51 COMPILER V8.02   EX19                                                                  06/24/2009 13:53:29 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE EX19
OBJECT MODULE PLACED IN ex19.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE ex19.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          //实例19：用if语句控制P0口8位LED的流水方向
   2          #include<reg51.h>  //包含单片机寄存器的头文件
   3          sbit K5=P1^4;     //将S1位定义为P1.4
   4          sbit K6=P1^5;     //将S2位定义为P1.5
   5          /*****************************
   6          函数功能：主函数
   7          *****************************/
   8          void main(void)
   9          {  
  10   1         while(1)
  11   1               {
  12   2                if(K5==0)   //如果按键S1按下
  13   2                  P0=0x0f;  //P0口高四位LED点亮
  14   2                if(K6==0)   //如果按键S2按下
  15   2                  P0=0xf0;  //P0口低四位LED点亮
  16   2                }      
  17   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     14    ----
   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)