42.lst

单片机C语言程序设计实训100例

C51 COMPILER V8.08   42                                                                    08/11/2009 09:10:07 PAGE 1   


C51 COMPILER V8.08, COMPILATION OF MODULE 42
OBJECT MODULE PLACED IN 42.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 42.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          /***************   writer:shopping.w   ******************/
   2          #include <reg52.h>
   3          #include <intrins.h>
   4          #define uint unsigned int
   5          #define uchar unsigned char
   6          sbit SPK = P3^7;
   7          uchar FRQ = 0x00;
   8          
   9          void Delayms(uint ms)
  10          {
  11   1              uchar i;
  12   1              while(ms--)
  13   1              {
  14   2                      for(i=0;i<120;i++);
  15   2              }
  16   1      }
  17          
  18          void main()
  19          {
  20   1              P2 = 0x00;
  21   1              TMOD = 0x11;
  22   1              TH0 = 0x00;
  23   1              TL0 = 0xff;
  24   1              IT0 = 1;
  25   1              IE = 0x8b;
  26   1              IP = 0x01;
  27   1              TR0 = 0;
  28   1              TR1 = 0;
  29   1              while(1)
  30   1              {
  31   2                      FRQ++;
  32   2                      Delayms(1);
  33   2              }
  34   1      }
  35          
  36          void EX0_INT() interrupt 0
  37          {
  38   1              TR0 = !TR0;
  39   1              TR1 = !TR1;
  40   1              if(P2 == 0x00)
  41   1                      P2 = 0xe0;
  42   1              else 
  43   1                      P2 = 0x00;
  44   1      }
  45          
  46          void T0_INT() interrupt 1
  47          {
  48   1              TH0 = 0xfe;
  49   1              TL0 = FRQ;
  50   1              SPK = ~SPK;
  51   1      }
  52          
  53          void T1_INT() interrupt 3
  54          {
  55   1              TH0 = -45000/256;
C51 COMPILER V8.08   42                                                                    08/11/2009 09:10:07 PAGE 2   

  56   1              TL0 = -45000%256;
  57   1              P2 = _crol_(P2,1);
  58   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    125    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      1    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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