text4.lst

51单片计算机中的定时器程序,在keil工程中编译

C51 COMPILER V7.08   TEXT4                                                                 05/06/2009 22:13:48 PAGE 1   


C51 COMPILER V7.08, COMPILATION OF MODULE TEXT4
OBJECT MODULE PLACED IN Text4.OBJ
COMPILER INVOKED BY: D:\学习软件\keil51\C51\BIN\C51.EXE Text4.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg51.h>
   2          #include <intrins.h>
   3          char num=0;
   4          int tim=0,temp=0xfe;            
   5          sbit dula=P2^6;
   6          sbit wela=P2^7;
   7          char code table[]={                     //之所以用code是因为编译的时候数组放在程序存储器种校?
   8          0x3f,0x06,0x5b,0x4f,
   9          
  10          0x66,0x6d,0x7d,0x07,
  11          
  12          0x7f,0x6f,0x77,0x7c,
  13          
  14          0x39,0x5e,0x79,0x71};
  15          
  16          char code wsle[]={0xff,0xdf,0xef,0xf7,0xfb,0xfd,0xfe};  
  17          
  18          int main()
  19          {
  20   1              TMOD=0x01;
  21   1              TH0=(65536-50000)/256;
  22   1              TL0=(65536-50000)%256;
  23   1              EA=1;
  24   1              ET0=1;
  25   1              TR0=1;
  26   1                      wela=1;
  27   1                      P0=0xdf;
  28   1                      wela=0;
  29   1              while(1)
  30   1              {       
  31   2                      dula=1;
  32   2                      P0=table[num%16];
  33   2                      dula=0;
  34   2              }
  35   1              return 0;
  36   1      }
  37          void timer0() interrupt 1  using 0  //using指定所用的寄存器为r0
  38          {
  39   1              TH0=(65536-50000)/256;
  40   1              TL0=(65536-50000)%256;
  41   1              tim++;
  42   1              if(tim==10)                //等一秒
  43   1                      {
  44   2                              temp=_crol_(temp,1);
  45   2                          P1=temp;
  46   2                              tim=0;
  47   2                              num++;
  48   2                      }
  49   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    115    ----
   CONSTANT SIZE    =     23    ----
   XDATA SIZE       =   ----    ----
C51 COMPILER V7.08   TEXT4                                                                 05/06/2009 22:13:48 PAGE 2   

   PDATA SIZE       =   ----    ----
   DATA SIZE        =      5    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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