cdisplay_s.lst

这些是基于dp51仿真仪的程序

C51 COMPILER V7.01  CDISPLAY_S                                                             04/01/2006 13:36:53 PAGE 1   


C51 COMPILER V7.01, COMPILATION OF MODULE CDISPLAY_S
OBJECT MODULE PLACED IN .\cdisplay_s.obj
COMPILER INVOKED BY: C:\MCS51\C51\BIN\C51.EXE ..\DISPLAY\cdisplay_s.c LARGE OPTIMIZE(1,SPEED) BROWSE INTVECTOR(0X4000) D
                    -EFINE(monitor51) DEBUG OBJECTEXTEND PRINT(.\cdisplay_s.lst) OBJECT(.\cdisplay_s.obj)

stmt level    source

   1          #include<REG52.h>
   2          #include<stdio.h>
   3          #include <intrins.h>
   4          sbit    SDA=P1^0;
   5          sbit    CLK=P1^1;
   6          
   7          unsigned        char    data    display_bit;
   8          unsigned        char    code    led[20]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8
             -e,0xbf,0x89,0x8C}; 
   9          int m;  
  10          void delay(unsigned int k)
  11               
  12                  {       unsigned        int     i,j;
  13   1                      for(i=0;i<k;i++)
  14   1                      for(j=0;j<100;j++);
  15   1        m=85;
  16   1              m<<=2;
  17   1      m+=2;
  18   1              }
  19          void    send(unsigned char a)
  20          {
  21   1              unsigned char i;
  22   1              for(i=0;i<8;i++)
  23   1                      {
  24   2                              if(_crol_(a,i)&0x80)
  25   2                                      SDA=1;
  26   2                              else
  27   2                                      SDA=0;
  28   2                              CLK=0;
  29   2                              CLK=1;
  30   2                              }
  31   1      }
  32                  
  33          void    display(unsigned char display_buffer[5])
  34                  {
  35   1                      unsigned        char    i,k;
  36   1                      
  37   1                      for(i=0;i<5;i++)
  38   1                      {       
  39   2                              k=led[display_buffer[i]];
  40   2                              send(k);
  41   2                              P1=display_bit;
  42   2                              delay(0x01);
  43   2                              P1=0xff;
  44   2                              display_bit=_cror_(display_bit,1);
  45   2                      }
  46   1                              display_bit=0x7f;
  47   1              }
  48                  
  49          
  50          main()
  51          {       
  52   1              unsigned char a[5]={0x00,0x0d,0x12,0x05,0x01};
  53   1              while(1)
C51 COMPILER V7.01  CDISPLAY_S                                                             04/01/2006 13:36:53 PAGE 2   

  54   1              {       
  55   2                      display(a);
  56   2              }
  57   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    370    ----
   CONSTANT SIZE    =     25    ----
   XDATA SIZE       =     20    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      1    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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