main.lst

单片机实现秒表功能

C51 COMPILER V7.10   MAIN                                                                  05/26/2007 11:17:49 PAGE 1   


C51 COMPILER V7.10, 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 "reg52.h"
   2          
   3          #define THCO   0xee
   4          #define TLCO   0x0
   5          
   6          sbit P24=P2^4;
   7          sbit P25=P2^5;
   8          sbit P26=P2^6;
   9          sbit P27=P2^7;
  10          
  11          
  12          void main()
  13          {
  14   1       TMOD=0x11;
  15   1       TH0=THCO;
  16   1       TL0=TLCO;
  17   1       TR0=1;
  18   1       ET0=1;
  19   1       EA=1;
  20   1      
  21   1       while(1)  ;
  22   1      }
  23          
  24          void timer0() interrupt 1
  25          {
  26   1       static unsigned char count=0;
  27   1       static unsigned char Bit=0;
  28   1       TH0=THCO;
  29   1       TL0=TLCO;
  30   1       count++;
  31   1       if(count>=50)
  32   1       {
  33   2          count=0;
  34   2              Bit++;
  35   2              if(Bit>=4)Bit=0;
  36   2              P2=P2|0xf0;
  37   2              switch(Bit)
  38   2              {
  39   3               case 0: P24=0;break;
  40   3               case 1: P25=0;break;
  41   3               case 2: P26=0;break;
  42   3               case 3: P27=0;break;
  43   3              }
  44   2       } 
  45   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     87    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      2    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
C51 COMPILER V7.10   MAIN                                                                  05/26/2007 11:17:49 PAGE 2   

END OF MODULE INFORMATION.


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