text7.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   TEXT7                                                                 05/07/2009 21:41:27 PAGE 1   


C51 COMPILER V7.08, COMPILATION OF MODULE TEXT7
OBJECT MODULE PLACED IN Text7.OBJ
COMPILER INVOKED BY: D:\学习软件\keil51\C51\BIN\C51.EXE Text7.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg51.h>
   2          #include <intrins.h>
   3          #define uint unsigned int
   4          uint m=0,num,temp=0;            
   5           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?
   6          0x3f,0x06,0x5b,0x4f,
   7          0x66,0x6d,0x7d,0x07,
   8          0x7f,0x6f,0x77,0x7c,
   9          0x39,0x5e,0x79,0x71};
  10           char code wsle[]={0xff,0xdf,0xef,0xf7,0xfb,0xfd,0xfe};                 
  11          sbit dula=P2^6;
  12          sbit wela=P2^7;
  13          void delay()
  14          {
  15   1              int a;
  16   1              for(a=0;a<10;a++);
  17   1      }
  18          void display(uint i,uint j)
  19          {
  20   1              dula=1;
  21   1              P0=table[j];
  22   1              dula=0;
  23   1              P0=0xff;
  24   1              wela=1;
  25   1              P0=wsle[i];
  26   1              wela=0;
  27   1      
  28   1      }
  29          
  30          int main()
  31          {
  32   1              TMOD=0x01;
  33   1              TH0=(65536-10000)/256;
  34   1              TL0=(65536-10000)%256;
  35   1      //      TH1=(65536-50000)/256;
  36   1      //      TL1=(65536-50000)%256;
  37   1              EA=1;
  38   1              ET0=1;
  39   1      //      ET1=1;
  40   1              TR0=1;
  41   1      //      TR1=1;
  42   1              dula=0;
  43   1              wela=0;
  44   1              while(1)
  45   1              {
  46   2                      temp=num;
  47   2                      display(3,temp/100);//秒表
  48   2                      delay();
  49   2                      temp=temp%100;
  50   2                      display(2,temp/10);
  51   2                      delay();
  52   2                      display(1,temp%10);
  53   2                      delay();
  54   2              }
  55   1      
C51 COMPILER V7.08   TEXT7                                                                 05/07/2009 21:41:27 PAGE 2   

  56   1              return 0;
  57   1      }
  58          void timer0() interrupt 1 
  59          {
  60   1              TH0=(65536-10000)/256;
  61   1              TL0=(65536-10000)%256;
  62   1              m++;
  63   1              if(m==10)                
  64   1                      {
  65   2                              num++;
  66   2                              m=0;
  67   2                      }
  68   1      }
  69          /*
  70          void timer1() interrupt 3  
  71          {
  72                  TH1=(65536-50000)/256;
  73                  TL1=(65536-50000)%256;
  74                  tim++;
  75          }
  76          
  77          */


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    183    ----
   CONSTANT SIZE    =     23    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      6    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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