12.lst

刚学时编的小程序

C51 COMPILER V8.02   12                                                                    03/09/2007 21:12:59 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE 12
OBJECT MODULE PLACED IN .\12.obj
COMPILER INVOKED BY: d:\Keil 8\C51\BIN\C51.EXE ..\12\12.c BROWSE DEBUG OBJECTEXTEND PRINT(.\12.lst) OBJECT(.\12.obj)

line level    source

   1          #include<AT89X51.H>
   2          
   3          sbit RS=P0^0;
   4          sbit RW=P0^1;
   5          sbit E=P0^2;
   6          sbit PSB=P0^3;
   7          sbit RST=P0^4;
   8          sbit b=P1^7;
   9          
  10          unsigned char tab[]={0,1,2,3,4,5,6,7,8,9} ;
  11          unsigned char a;
  12          
  13          //void chushi();
  14          void SEND_D();
  15          
  16          main()
  17          {
  18   1         
  19   1         chushi();
*** WARNING C206 IN LINE 19 OF ..\12\12.C: 'chushi': missing function-prototype
  20   1         for(a=0;a<=9;a++)
  21   1              SEND_D(tab[a]);
*** ERROR C267 IN LINE 21 OF ..\12\12.C: 'SEND_D': requires ANSI-style prototype
  22   1      }
  23          
  24          chushi()
  25          {
  26   1              RST=1;
  27   1              PSB=1;
  28   1              SEND_I(0X34) ;
  29   1              SEND_I(0X30);
  30   1              SEND_I(0X01);
  31   1              SEND_I(0X06);
  32   1              SEND_I(0X0C);
  33   1      }
  34          
  35          SEND_I(unsigned char A)
  36          {
  37   1              busy();
  38   1              RS=0;
  39   1              RW=0;
  40   1              P1=A;
  41   1              E=1;
  42   1              _nop;
  43   1              _nop;
  44   1              E=0;
  45   1      }
  46          
  47          SEND_D(unsigned char A)
  48          {
  49   1              busy();
  50   1              RS=1;
  51   1              RW=0;
  52   1              P1=A;
  53   1              E=1;
C51 COMPILER V8.02   12                                                                    03/09/2007 21:12:59 PAGE 2   

  54   1              _nop;
  55   1              _nop;
  56   1              E=0;
  57   1      }
  58          
  59          READ_D(unsigned char A)
  60          {
  61   1              busy();
  62   1              RS=1;
  63   1              RW=1;
  64   1              E=1;
  65   1              _nop;
  66   1              A=P1;
  67   1              _nop;
  68   1              E=0;
  69   1      }
  70          
  71          busy()
  72          {
  73   1              P1=0xff;
  74   1              RS=0;
  75   1              RW=1;
  76   1              E=1;
  77   1              while(b==0)        ;
  78   1      }

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