C51 COMPILER V7.07   MAIN                                                                  09/22/2008 19:10:56 PAGE 1   


C51 COMPILER V7.07, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE main.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include <reg51.h>
   2          
   3          #define uchar unsigned char 
   4          #define uint unsigned int
   5          
   6          #define LED_PORT                P0
   7          #define LED_SCAN_PORT   P1
   8          #define MAX_LED                 6
   9          #define T0H                             (65536-2000)>>8
  10          #define T0L                             (65536-2000)
  11          uchar code seg_table[17]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,
  12                               0x6F,0x77,0x7c,0x39,0x5e,0x79,0x71,0x00};
  13          
  14          
  15          uchar led_buf[MAX_LED]={0};
  16          uchar led_x=0;
  17          uchar scan_code=0x01;
  18          
  19          delay_ms(int ms)
  20          {uchar i;
  21   1       uint  j;
  22   1       for(j=2*ms;j>0;j--) 
  23   1        for(i=250;i>0;i--);
  24   1       
  25   1      }
  26          
  27          
  28          void scan_buf()
  29          {
  30   1              LED_SCAN_PORT=~scan_code;
  31   1              LED_PORT=seg_table[led_buf[led_x]];
  32   1      //      delay_ms(5);
  33   1              led_x++;
  34   1              if (led_x>=MAX_LED) led_x=0;
  35   1      
  36   1              scan_code<<=1;
  37   1              if (scan_code>(01<<(MAX_LED-1))) scan_code=1;
  38   1      }
  39          
  40          
  41          void init_led()
  42          {
  43   1        uchar i;
  44   1        for(i=0;i<MAX_LED;i++)
  45   1          led_buf[i]=i;
  46   1      
  47   1         TH0=T0H; TL0=T0L;
  48   1         TMOD=0x01;
  49   1         ET0=1;
  50   1         EA=1;
  51   1         TR0=1;
  52   1      }
  53          
  54          
  55          main()
C51 COMPILER V7.07   MAIN                                                                  09/22/2008 19:10:56 PAGE 2   

  56          {
  57   1      
  58   1        init_led();
  59   1        while(1)
  60   1        {
  61   2        
  62   2      //  scan_buf();
  63   2        
  64   2        
  65   2        } 
  66   1      
  67   1      }
  68          
  69          
  70          void isr_timer0() interrupt 1
  71          {
  72   1         
  73   1         scan_buf();
  74   1         TH0=T0H; TL0=T0L;
  75   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    138    ----
   CONSTANT SIZE    =     17    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      8    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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