main.lst

从零开始学51单片机源代码

C51 COMPILER V8.08   MAIN                                                                  07/10/2012 15:22:47 PAGE 1   


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

line level    source

   1          #include <reg51.h>      //包含头文件    
   2          #include "fun.h"   
   3          
   4          void Timer0_interrupt() interrupt 1
   5          {
   6   1              TH0 = T0_50ms >> 8;        //重装初值 
   7   1              TL0 = T0_50ms;
   8   1      
   9   1              if ((++ count_in_T0) == 20)//count_in_T0自加到20，计时1s
  10   1              {
  11   2                      count_in_T0 = 0;
  12   2                      if ( (++ display_num) ==60)
  13   2                      {//display_num自加1后判断是否等于60
  14   3                              display_num = 0;
  15   3                      }
  16   2              }
  17   1      }
  18          
  19          void SPI_interrupt() interrupt 9
  20          {
  21   1              SPSTAT = 0xc0; //清除SPIF、WCOL
  22   1              stcp = 1;         //stcp上升沿595并行输出 
  23   1              _nop_();
  24   1              stcp = 0;
  25   1              spilock = 0; //解锁
  26   1      }
  27          
  28          main()
  29          {
  30   1              unsigned char shi, ge;  //定义十位、个位要输出的数据 
  31   1      
  32   1              init_port();
  33   1              init_timer();
  34   1              init_spi();             
  35   1      
  36   1              stcp = 0;
  37   1              spilock = 0;
  38   1              display_num = 0;
  39   1              count_in_T0 = 0;
  40   1              //把两个数码管都关闭 
  41   1              en2 = 1;
  42   1              en1 = 1;
  43   1              EA = 1;//开总中断 
  44   1      
  45   1              while(1)
  46   1              {
  47   2                      shi =  display_num / 10;
  48   2                      ge = display_num % 10;
  49   2                      display(shi,ge);        
  50   2              }
  51   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    202    ----
C51 COMPILER V8.08   MAIN                                                                  07/10/2012 15:22:47 PAGE 2   

   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     12    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =      1    ----
END OF MODULE INFORMATION.


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