1.lst

单片机的开发,实现计算器功能,可以很方便地使用

C51 COMPILER V8.02   1                                                                     11/20/2007 15:00:43 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE 1
OBJECT MODULE PLACED IN 1.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 1.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg51.h>
   2          #define uchar unsigned char
   3          char code table[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
   4          uchar code select[]={0x01,0x02};
   5          uchar data table1[]={0x00,0x00};
   6          int count;
   7          sbit k=P1^0;
   8          delay(uchar m)
   9          {
  10   1      uchar i,j;
  11   1      for(i=m;i>0;i--)
  12   1      for(j=0;j<120;j++);
  13   1      }
  14          scan()
  15          {
  16   1      uchar i;
  17   1        
  18   1      table1[1]=table[count/10];
  19   1      table1[0]=table[count%10];
  20   1      for(i=0;i<2;i++)
  21   1      {
  22   2        P2=select[i];
  23   2        P0=table1[i];
  24   2        delay(1);
  25   2        P0=0xff;
  26   2      
  27   2      }
  28   1      
  29   1      }
  30          keyscan()
  31          {
  32   1      if(k==0)
  33   1      {
  34   2      delay(10);
  35   2      if(k==0)
  36   2      {
  37   3      while(k==0);
  38   3      count++;
  39   3      if(count==100)
  40   3      count=0;
  41   3      }
  42   2      }
  43   1      }
  44          void main()
  45          {
  46   1      while(1)
  47   1      {
  48   2      keyscan();
  49   2      scan();
  50   2      }
  51   1      }
  52          
  53          
  54          

C51 COMPILER V8.02   1                                                                     11/20/2007 15:00:43 PAGE 2   


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    136    ----
   CONSTANT SIZE    =     12    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      4    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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