20.lst

单片机C语言程序设计实训100例

C51 COMPILER V8.08   20                                                                    08/12/2009 10:47:42 PAGE 1   


C51 COMPILER V8.08, COMPILATION OF MODULE 20
OBJECT MODULE PLACED IN 20.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 20.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          /***************   writer:shopping.w   ******************/
   2          #include <reg52.h>
   3          #define uint unsigned int
   4          #define uchar unsigned char
   5          
   6          uchar code LEDData[]=
   7          {
   8                  0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f
   9          };
  10          sbit OE  = P1^0;
  11          sbit EOC = P1^1;
  12          sbit ST  = P1^2;
  13          sbit CLK = P1^3;
  14          
  15          void DelayMS(uint ms)
  16          {
  17   1              uchar i;
  18   1              while(ms--)
  19   1              {
  20   2                      for(i=0;i<120;i++);
  21   2              }
  22   1      }
  23          
  24          void Display_Result(uchar d)
  25          {
  26   1              P2 = 0xf7;
  27   1              P0 = LEDData[d%10];
  28   1              DelayMS(5);
  29   1              P2 = 0xfb;
  30   1              P0 = LEDData[d%100/10];
  31   1              DelayMS(5);
  32   1              P2 = 0xfd;
  33   1              P0 = LEDData[d/100];
  34   1              DelayMS(5);
  35   1      }
  36          
  37          void main()
  38          {
  39   1              TMOD = 0x02;
  40   1              TH0  = 0x14;
  41   1              TL0  = 0x00;
  42   1              IE   = 0x82;
  43   1              TR0  = 1;
  44   1              P1   = 0x3f;
  45   1              while(1)
  46   1              {
  47   2                      ST = 0;
  48   2                      ST = 1;
  49   2                      ST = 0;
  50   2                      while(EOC == 0);
  51   2                      OE = 1;
  52   2                      Display_Result(P3);
  53   2                      OE = 0;
  54   2              }
  55   1      }
C51 COMPILER V8.08   20                                                                    08/12/2009 10:47:42 PAGE 2   

  56          
  57          void Timer0_INT() interrupt 1
  58          {
  59   1              CLK = !CLK;
  60   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    122    ----
   CONSTANT SIZE    =     10    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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