zqyy_counter.lst

在软件proteus下仿真MCU-51单片机6位LED计数器的演示例子和完整源代码(keil工程)

C51 COMPILER V7.07   ZQYY_COUNTER                                                          12/05/2003 18:29:28 PAGE 1   


C51 COMPILER V7.07, COMPILATION OF MODULE ZQYY_COUNTER
OBJECT MODULE PLACED IN zqyy_counter.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE zqyy_counter.C ROM(SMALL) BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          /////////////////////////////////////////////////
   2          /////加减记数器源程序counter.c
   3          /////
   4          /////////////////////////////////////////////////
   5          
   6          
   7          #include "stdio.h"
   8          #include "reg51.h"
   9          
  10          
  11          // 共阳 0 - 9 的编码 12MHz
  12          unsigned char code table[] = { 0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,0xFF };
  13          //第1-- 6 位的片选线
  14          unsigned char code dig[]   = { 0x21,0x11,0x09,0x05,0x03,0x08};//= { 0x80,0x03,0x05,0x09,0x11,0x21};
  15                                     
  16          unsigned char buffer[8];
  17          unsigned char scan,i,ch,KeyVal;
  18          bit           fKey,Key1,Key2,Key3,OldKey1,OldKey2,OldKey3,fBI;
  19          
  20          unsigned long int counter,tmp;
  21          
  22          
  23          void counter_display(void)
  24          {
  25   1              buffer[5]=counter/100000;
  26   1              buffer[4]=counter/10000-buffer[5]*10;
  27   1              buffer[3]=counter/1000 -buffer[5]*100   -buffer[4]*10;
  28   1              buffer[2]=counter/100  -buffer[5]*1000  -buffer[4]*100  -buffer[3]*10;
  29   1              buffer[1]=counter/10   -buffer[5]*10000 -buffer[4]*1000 -buffer[3]*100 -buffer[2]*10;
  30   1              buffer[0]=counter/1    -buffer[5]*100000-buffer[4]*10000-buffer[3]*1000-buffer[2]*100-buffer[1]*10;
  31   1      
  32   1      }
  33          void delay(void)
  34          {
  35   1              int i;
  36   1              for(i=0;i<500;i++)
  37   1              {
  38   2                      ;
  39   2              }
  40   1      }
  41          
  42          void main(void)
  43          {
  44   1              unsigned int i;
  45   1              
  46   1              P3=dig[1];
  47   1              P1=table[1];
  48   1              TCON &= 0xCF;               // 初始化Timer0
  49   1              TMOD &= 0xF0;
  50   1              TMOD |= 0x01;
  51   1              TL0   = 0xff;           
  52   1              TH0   = 0xff;
  53   1              EA    = 1;
  54   1              ET0   = 1;
  55   1              TR0   = 1;
C51 COMPILER V7.07   ZQYY_COUNTER                                                          12/05/2003 18:29:28 PAGE 2   

  56   1              counter=0;
  57   1              while(1){
  58   2                      for(i=0;i<1;i++){
  59   3                      delay();
  60   3                      }
  61   2                  counter++;          
  62   2              }
  63   1      }
  64          
  65          
  66          void timerint () interrupt 1 
  67          {
  68   1                      unsigned int i,j;
  69   1                      unsigned char n;
  70   1                      EA=0;
  71   1                      
  72   1              
  73   1              counter_display();
  74   1                      for(i=0,n=0;i<=5;i++){
  75   2                              if(buffer[5-i]!=0){
  76   3                                      n=5-i;
  77   3                                      break;
  78   3                              }
  79   2              
  80   2                      }
  81   1                      for(j=0;j<5;j++){
  82   2                              for(i=0;i<=n;i++){
  83   3                                      P3=dig[i];
  84   3                                  P1=table[buffer[i]];
  85   3                                      delay();
  86   3                              }
  87   2                      }
  88   1                      EA=1;
  89   1              TL0 = -2500%256;
  90   1              TH0 = -2500/256;                     //2.5ms定时
  91   1              TR0 = 1;
  92   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    517    ----
   CONSTANT SIZE    =     17    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     20    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =      8    ----
END OF MODULE INFORMATION.


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