shuangji.lst

采用两块51单片机通过串口实现双机通讯

C51 COMPILER V7.20   SHUANGJI                                                              07/29/2001 11:39:13 PAGE 1   


C51 COMPILER V7.20, COMPILATION OF MODULE SHUANGJI
OBJECT MODULE PLACED IN shuangji.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE shuangji.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg52.h>
   2          #define         uchar   unsigned        char
   3          #define         uint    unsigned        int
   4          
   5          void    delay(uint      i);
   6          uint keyb(void);
   7          main()
   8          {char i=0;
   9   1      SCON=0x80;
  10   1      PCON=0X00;
  11   1      TI=0;
  12   1      
  13   1       
  14   1      for(;;i++)
  15   1      {SBUF=keyb();while(TI==0);TI=0;delay(1000);} 
  16   1      }
  17          
  18          void    delay(uint      i)
  19          {unsigned       int     j;
  20   1      for(;i>0;i--)
  21   1      for(j=100;j>0;j--);}
  22          
  23          
  24          uint keyb(void)
  25          {unsigned int a,b=0,c,jzhi,f=0,i=0,dma[]={0,0,0,0,0,0,0,3,0,0,0,2,0,1,0};
  26   1       int yw[]={0x7f,0xbf,0xdf,0xef};a=0x7f;
  27   1       for(;;)
  28   1      {P2=a;a=P2;b=a;c=a;
  29   2        a=a&0x0f;
  30   2        if(a==0x0f) {i++;a=yw[i];if(i==4) {i=0;a=0x7f;}}
  31   2        else break;} 
  32   1        b=b>>4;f=c&0x0f;
  33   1        jzhi=dma[b]*4+dma[f];
  34   1        return jzhi;}


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    233    ----
   CONSTANT SIZE    =     38    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----      45
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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