2.lst

点阵显示程序,显示数值从0到9.

C51 COMPILER V8.02   2                                                                     04/12/2008 11:29:56 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE 2
OBJECT MODULE PLACED IN 2.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 2.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <AT89X52.H>
   2          unsigned char code tab[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
   3          unsigned char code digittab[10][8]={{0x00,0x00,0x3e,0x41,0x41,0x41,0x3e,0x00},  //0
   4                                              {0x00,0x00,0x00,0x00,0x21,0x7f,0x01,0x00},  //1
   5                                              {0x00,0x00,0x27,0x45,0x45,0x45,0x39,0x00},  //2
   6                                              {0x00,0x00,0x22,0x49,0x49,0x49,0x36,0x00},  //3
   7                                              {0x00,0x00,0x0c,0x14,0x24,0x7f,0x04,0x00},  //4
   8                                              {0x00,0x00,0x72,0x51,0x51,0x51,0x4e,0x00},  //5
   9                                              {0x00,0x00,0x3e,0x49,0x49,0x49,0x26,0x00},  //6
  10                                              {0x00,0x00,0x40,0x40,0x40,0x4f,0x70,0x00},  //7
  11                                              {0x00,0x00,0x36,0x49,0x49,0x49,0x36,0x00},  //8
  12                                              {0x00,0x00,0x32,0x49,0x49,0x49,0x3e,0x00}   //9
  13                                              };
  14          
  15          unsigned int timecount;
  16          unsigned char cnta;
  17          unsigned char cntb;
  18          
  19          void main(void)
  20          {
  21   1        TMOD=0x01;
  22   1        TH0=(65536-3000)/256;
  23   1        TL0=(65536-3000)%256;
  24   1        TR0=1;
  25   1        ET0=1;
  26   1        EA=1;
  27   1        while(1)
  28   1          {;
  29   2          }
  30   1      }
  31          
  32          void t0(void) interrupt 1 using 0
  33          {
  34   1        TH0=(65536-3000)/256;
  35   1        TL0=(65536-3000)%256;
  36   1        P3=tab[cnta];
  37   1        P1=digittab[cntb][cnta];
  38   1        cnta++;
  39   1        if(cnta==8)
  40   1          {
  41   2            cnta=0;
  42   2          }
  43   1        timecount++;
  44   1        if(timecount==333)
  45   1          {
  46   2            timecount=0;
  47   2            cntb++;
  48   2            if(cntb==10)
  49   2              {
  50   3                cntb=0;
  51   3              }
  52   2          }
  53   1      }


C51 COMPILER V8.02   2                                                                     04/12/2008 11:29:56 PAGE 2   

MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    124    ----
   CONSTANT SIZE    =     88    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      4    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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