try.lst

NE2000型兼容网卡的设计程序

C51 COMPILER V7.09   TRY                                                                   09/29/2005 09:54:21 PAGE 1   


C51 COMPILER V7.09, COMPILATION OF MODULE TRY
OBJECT MODULE PLACED IN try.OBJ
COMPILER INVOKED BY: D:\Keil\C51\BIN\C51.EXE try.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          sfr P1 = 0x90; //这里没有使用预定义文件，
   2          sbit P1_0 = P1 ^ 0; //而是自己定义特殊寄存器
   3          sbit P1_7 = 0x90 ^ 7; //之前我们使用的预定义文件其实就是这个作用
   4          sbit P1_1 = 0x91; //这里分别定义P1端口和P10,P11,P17引脚
   5          
   6          void main(void)
   7          {
   8   1      unsigned int a;
   9   1      unsigned char b;
  10   1      do{
  11   2      for (a=0;a<50000;a++)
  12   2      P1_0 = 0; //点亮P1_0
  13   2      for (a=0;a<50000;a++)
  14   2      P1_7 = 0; //点亮P1_7
  15   2      for (b=0;b<255;b++)
  16   2      {
  17   3      for (a=0;a<10000;a++)
  18   3      P1 = b; //用b的值来做跑马灯的花样
  19   3      }
  20   2      P1 = 255; //熄灭P1上的LED
  21   2      for (b=0;b<255;b++)
  22   2      {
  23   3      for (a=0;a<10000;a++) //P1_1闪烁
  24   3      P1_1 = 0;
  25   3      for (a=0;a<10000;a++)
  26   3      P1_1 = 1; 
  27   3      }
  28   2      }while(1);
  29   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    138    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       1
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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