ex8-3ac.lst

《增强型8051单片机实用开发技术》例程代码

C51 COMPILER V8.18   EX8_3AC                                                               11/27/2009 22:14:16 PAGE 1   


C51 COMPILER V8.18, COMPILATION OF MODULE EX8_3AC
OBJECT MODULE PLACED IN ex8-3ac.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE ex8-3ac.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include "stc12c5a.h"        //包含STC12C5A60S2单片机寄存器定义文件
   2          
   3          unsigned char xdata ADDRT[10];  //保存数据的外部RAM单元
   4          unsigned char SLAVE;                            //保存从机地址号的变量
   5          unsigned char num=0, *mypdata;
   6          
   7          void main (void)
   8          {
   9   1                      SCON=0xC0;
  10   1                      TMOD=0x20;
  11   1                      TH1=0xFA;
  12   1                      TL1=0xFA;
  13   1                      mypdata=ADDRT;
  14   1              SLAVE=5;                                //定义从机地址，在此假设从机地址为5
  15   1                      TR1=1;
  16   1                      ES=1;
  17   1                      EA=1;
  18   1                      TB8=1;
  19   1                      SBUF=SLAVE;                             //发送从机地址
  20   1                      while(1);                               //等待中断
  21   1      }
  22          void Serial_ISR(void) interrupt 4 
  23          {
  24   1                      TI=0;
  25   1                      TB8=0;
  26   1                      SBUF=*mypdata;                                  //发送数据
  27   1                      mypdata++;                                              //修改指针
  28   1                      num++;
  29   1                      if(num==0x0a) ES=0;
  30   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    104    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =     10    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      5    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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