C51 COMPILER V7.01  005A                                                                   04/13/2006 16:54:25 PAGE 1   


C51 COMPILER V7.01, COMPILATION OF MODULE 005A
OBJECT MODULE PLACED IN 005A.OBJ
COMPILER INVOKED BY: D:\學(xué)習(xí)軟件\單片機(jī)編譯軟件\keilc51\C51\BIN\C51.EXE 005A.C BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include <reg51.h>
   2          #define uchar unsigned char
   3          uchar *p=0x20;          /*指針p指向內(nèi)部RAM 20h單元*/
   4          void com_init()         /*串口初始化程序*/
   5          {
   6   1         TMOD=0x20;
   7   1         TH1=0xfa;
   8   1         TL1=0xfa;
   9   1         TR1=1;
  10   1         SCON=0x50;
  11   1      }
  12          
  13          send()
  14          {
  15   1        uchar i;                      /*i為發(fā)送數(shù)據(jù)的長(zhǎng)度*/
  16   1        uchar j=0;            /*j為效驗(yàn)和*/
  17   1      sendDT: i=16;
  18   1              SBUF=i;                 /*發(fā)送長(zhǎng)度*/
  19   1              while(TI !=1);          /*等待發(fā)送*/
  20   1               for(i=16; i; i--)
  21   1                 {
  22   2                     SBUF=*p;         /*發(fā)送數(shù)據(jù)*/
  23   2                     j=j + *p;                /*形成累加和*/
  24   2                     p++;
  25   2                     while(TI !=1);           /*等待發(fā)送*/
  26   2                  }
  27   1               SBUF=j;                        /*發(fā)送效驗(yàn)碼*/
  28   1              j=0;
  29   1              while(TI !=1);
  30   1              while(RI !=1);          /*等待乙機(jī)回答*/
  31   1              if (SBUF==0)
  32   1                  return;
  33   1              else 
  34   1                 goto sendDT;
  35   1      }
  36          
  37          main()
  38          {
  39   1        com_init();
  40   1        send();
  41   1       }
  42            
  43            


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     76    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      3    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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