led.lst

C51程序设计及应用,程序源码,L04.RunLED.rar

C51 COMPILER V8.08   LED                                                                   09/10/2008 11:17:22 PAGE 1   


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

line level    source

   1          #include <AT89X51.H>    //预处理文件里面定义了特殊寄存器的名称如P1 口定义为P1 
   2          void main(void) 
   3          { 
   4   1              //定义花样数据
   5   1              const unsigned char design[32]={
   6   1                      0xFF,0xFE,0xFD,0xFB,0xF7,0xEF,0xDF,0xBF,
   7   1                      0x7F,0x7F,0xBF,0xDF,0xEF,0xF7,0xFB,0xFD,
   8   1                      0xFE,0xFF,0xFF,0xFE,0xFC,0xF8,0xF0,0xE0,
   9   1                      0xC0,0x80,0x0,0xE7,0xDB,0xBD,0x7E,0xFF
  10   1              }; 
  11   1              unsigned int a;         //定义循环用的变量
  12   1              unsigned char b;        //在C51 编程中因内存有限尽可能使用少字节的类型，对大型程序很受用
  13   1              do{ 
  14   2                      for (b=0; b<32; b++) 
  15   2                      {
  16   3                              for(a=0; a<30000; a++);         // 延时一段时间
  17   3                              P1 = design[b];                 // 读已定义的花样数据并写花样数据到P1 口
  18   3                      } 
  19   2              }while(1);
  20   1      } 


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     48    ----
   CONSTANT SIZE    =     32    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----      32
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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