leddisplay.lst

P0端口接动态数码管的字形码笔段

C51 COMPILER V8.02   LEDDISPLAY                                                            01/22/2008 20:34:23 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE LEDDISPLAY
OBJECT MODULE PLACED IN leddisplay.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE leddisplay.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <reg51.H> 
   2          
   3          unsigned char code table1[]={0x06,0x5b,0x4f,0x66,0x6d}; 
   4          
   5          unsigned char code table2[]={0x78,0x79,0x38,0x38,0x3f}; 
   6          
   7          unsigned char i; 
   8          
   9          unsigned char a,b; 
  10          
  11          unsigned char temp; 
  12          
  13          void main(void) 
  14          
  15          { 
  16   1      
  17   1        while(1) 
  18   1      
  19   1          { 
  20   2      
  21   2            temp=0xfe; 
  22   2      
  23   2            for(i=0;i<5;i++) 
  24   2      
  25   2              { 
  26   3      
  27   3                if(P1^7==1) 
  28   3      
  29   3                  { 
  30   4      
  31   4                    P0=table1[i]; 
  32   4      
  33   4                  } 
  34   3      
  35   3                  else 
  36   3      
  37   3                    { 
  38   4      
  39   4                      P0=table2[i]; 
  40   4      
  41   4                    } 
  42   3      
  43   3                P2=temp; 
  44   3      
  45   3                a=temp<<(i+1); 
  46   3      
  47   3                b=temp>>(7-i); 
  48   3      
  49   3                temp=a|b; 
  50   3      
  51   3      //　　　　　for(a=4;a>0;a--) 
  52   3      
  53   3       //         for(b=248;b>0;b--); 
  54   3      
  55   3              } 
C51 COMPILER V8.02   LEDDISPLAY                                                            01/22/2008 20:34:23 PAGE 2   

  56   2      
  57   2          } 
  58   1      
  59   1      } 


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     77    ----
   CONSTANT SIZE    =     10    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      4    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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