main8255.lst

自己做的单片机Proteus仿真实例

C51 COMPILER V7.06   MAIN8255                                                              05/07/2012 18:05:26 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE MAIN8255
OBJECT MODULE PLACED IN main8255.obj
COMPILER INVOKED BY: E:\lah\KEIL\C51\BIN\C51.EXE source\main8255.c BROWSE DEBUG OBJECTEXTEND PRINT(.\main8255.lst) OBJEC
                    -T(main8255.obj)

stmt level    source

   1          #include"reg52.h"
   2          #include<intrins.h>
   3          #include<absacc.h>
   4          #define uchar unsigned char
   5          #define uint unsigned int
   6          #define PA XBYTE[0x3fff]
   7          #define PB XBYTE[0x7fff]
   8          #define PC1 XBYTE[0xbfff]
   9          #define CTL XBYTE[0xffff]
  10          sbit reset=P2^5;
  11          void delay(unsigned int t);
  12          void display();
  13          void main()
  14          {
  15   1      //      EA=1;
  16   1       ET0=1;
  17   1       TMOD=0x01;
  18   1       /*reset=1;
  19   1       _nop_();
  20   1       reset=0;8*/
  21   1       CTL=0x80;     //写8255控制字，设置PA,PB,PC为输出口
  22   1       PA=0xff;
  23   1       PB=0xff;
  24   1       PC1=0xff;
  25   1       while(1)
  26   1       {
  27   2        display();}
  28   1      }
  29          void display()
  30          {
  31   1       uchar outdata=0x7f,i;
  32   1       for(i=0;i<8;i++)
  33   1        {PA=outdata;
  34   2         delay(1000);
  35   2         outdata=_cror_(outdata,1);
  36   2        }
  37   1        PA=0xff;
  38   1        outdata=0x7f;
  39   1       for(i=0;i<8;i++)
  40   1        {PB=outdata;
  41   2         delay(800);
  42   2         outdata=_cror_(outdata,1);}
  43   1        PB=0xff;
  44   1        outdata=0x7f;
  45   1       for(i=0;i<8;i++)
  46   1        {     
  47   2              PC1=outdata;
  48   2         delay(600);
  49   2         outdata=_cror_(outdata,1);}
  50   1       
  51   1        PC1=0xff;
  52   1      }
  53          
  54          void delay(unsigned int t)
C51 COMPILER V7.06   MAIN8255                                                              05/07/2012 18:05:26 PAGE 2   

  55          {
  56   1        for(;t>0;t--)
  57   1         {
  58   2               TH0=(65536-1000)/256;
  59   2               TL0=(65536-1000)%256;
  60   2               TR0=1;
  61   2               while(TF0==0) ;
  62   2               TF0=0;
  63   2          }
  64   1         TR0=0;
  65   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    204    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       2
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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