led_scan.lst

一个基于51单片机的定时报警设计电路及程序

C51 COMPILER V7.08   LED_SCAN                                                              04/02/2008 20:08:40 PAGE 1   


C51 COMPILER V7.08, COMPILATION OF MODULE LED_SCAN
OBJECT MODULE PLACED IN led_scan.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE led_scan.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg52.h>
   2          
   3          unsigned char code zimo[10]={0xc0,0xf9,0xa4,0xb0,       // 0, 1, 2, 3
   4                                          0x99,0x92,0x82,0xf8,0x80,0x90};// 4, 5, 6, 7, 8, 9
   5          unsigned char code disflag[6]={0x20,0x10,0x08,0x04,0x02,0x01};
   6          unsigned char flag,n;
   7          unsigned char disbuf[6];
   8          int main()
   9          {
  10   1              unsigned char i;
  11   1              P0 = 0xff;
  12   1              P2 = 0xff;
  13   1              TMOD = 0x01;
  14   1              TH0 = 0xfe;
  15   1              TL0 = 0x0c;
  16   1              IE = 0x82;
  17   1              flag=0;
  18   1              n=0;
  19   1              for(i=0;i<6;i++)
  20   1              {
  21   2                      disbuf[i]=zimo[i];
  22   2              }
  23   1              TR0=1;
  24   1              while(1);
  25   1              return 0;
  26   1      }
  27          
  28          void timer0(void) interrupt 1
  29          {
  30   1              TH0=0xfe;
  31   1              TL0=0x0c;
  32   1      //      KeyDelaytime++;
  33   1              if(flag<2)
  34   1              {
  35   2                      P0=disbuf[n];
  36   2                      P2=disflag[n];
  37   2               }
  38   1              else
  39   1              {
  40   2                      P2=0x00;
  41   2                      P0=0;
  42   2               }
  43   1               flag++;
  44   1               if(flag==8)
  45   1               {
  46   2                      n++;
  47   2                      if(n==6)
  48   2                      {
  49   3                              n=0;
  50   3                      }
  51   2                      flag=0;
  52   2              }
  53   1      }


C51 COMPILER V7.08   LED_SCAN                                                              04/02/2008 20:08:40 PAGE 2   

MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    125    ----
   CONSTANT SIZE    =     16    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      8    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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