text1.lst

一个单片机跑马灯的程序

C51 COMPILER V7.06   TEXT1                                                                 12/17/2007 11:36:43 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE TEXT1
OBJECT MODULE PLACED IN Text1.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE Text1.c BROWSE DEBUG OBJECTEXTEND

stmt 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]={0xFF,0xFE,0xFD,0xFB,0xF7,0xEF,0xDF,0xBF,0x7F,
   6   1                                        0x7F,0xBF,0xDF,0xEF,0xF7,0xFB,0xFD,0xFE,0xFF,
   7   1                                        0xFF,0xFE,0xFC,0xF8,0xF0,0xE0,0xC0,0x80,0x0,
   8   1                                        0xE7,0xDB,0xBD,0x7E,0xFF};
   9   1              unsigned int a; //定义循环用的变量
  10   1              unsigned char b; //在C51编程中因内存有限尽可能注意变量类型的使用
  11   1                                                                               //尽可能使用少字节的类型，在大型的程序中很受用
  12   1              do{
  13   2                              for (b=0; b<32; b++)
  14   2                                      {
  15   3                                              for(a=0; a<30000; a++); //延时一段时间
  16   3                                              P1 = design[b]; //读已定义的花样数据并写花样数据到P1口
  17   3                                      }
  18   2                      }while(1);
  19   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)