C51 COMPILER V6.12  LESSON1_3                                                              07/21/2007 11:25:14 PAGE 1   


C51 COMPILER V6.12, COMPILATION OF MODULE LESSON1_3
OBJECT MODULE PLACED IN .\lesson1_3.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE .\lesson1_3.c DEBUG OBJECTEXTEND

stmt level    source

   1          #include<reg52.h>
   2          void main()
   3          {
   4   1      	P1=0xfd;
   5   1      	D1=0;
*** ERROR C202 IN LINE 5 OF .\LESSON1_3.C: 'D1': undefined identifier
   6   1      }

C51 COMPILATION COMPLETE.  0 WARNING(S),  1 ERROR(S)