1.lst

一个小型的数控电源的源码

C51 COMPILER V7.06   1                                                                     08/09/2007 07:53:49 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE 1
OBJECT MODULE PLACED IN 1.OBJ
COMPILER INVOKED BY: E:\中文\调试工具\Keil\C51\BIN\C51.EXE 1.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include"at89x51.h"
   2          
   3          void ms(unsigned int Delay)
   4          {unsigned int a;
   5   1        for(;Delay>0;Delay--)
   6   1        {for(a=0;a<114;a++)
   7   2         {;}
   8   2        }
   9   1      }
  10            
  11          void main(void)
  12          {
  13   1       unsigned char a;
  14   1       unsigned char shu[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90}; 
  15   1       P2=0;
  16   1       P3=255;
  17   1       while(1)
  18   1       {
  19   2        P2=a;
  20   2        ms(300);
  21   2        while(1)
  22   2        {
  23   3         P0_3=0;
  24   3         P1=shu[a/200];
  25   3         ms(1);
  26   3         P0_3=1; 
  27   3      
  28   3         P0_2=0;
  29   3         P1=shu[a/20%10]-128;
  30   3         ms(1);
  31   3         P0_2=1;  
  32   3      
  33   3         P0_1=0;
  34   3         P1=shu[a/2%10];
  35   3         ms(1);
  36   3         P0_1=1;
  37   3       
  38   3         P0_0=0;
  39   3         P1=0xc1;
  40   3         ms(1);
  41   3         P0_0=1;
  42   3      
  43   3         if(!P3_2||!P3_0||!P3_3) break;
  44   3        }
  45   2        if(!P3_3) 
  46   2        {
  47   3         if(a>20) a-=20;
  48   3         else a=0;
  49   3        }
  50   2        if(!P3_0)
  51   2        {
  52   3         if(a<=220) a+=20;
  53   3         else a=240;
  54   3        }
  55   2        if(!P3_2&&a<=238) a+=2;
C51 COMPILER V7.06   1                                                                     08/09/2007 07:53:49 PAGE 2   

  56   2       }
  57   1      }
  58          
  59          
  60          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    217    ----
   CONSTANT SIZE    =     10    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----      11
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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