8255.lst

8255的汇编程序

C51 COMPILER V7.50   8255                                                                  05/28/2008 13:25:17 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE 8255
OBJECT MODULE PLACED IN 8255.OBJ
COMPILER INVOKED BY: D:\单片机开发\keil\C51\BIN\C51.EXE 8255.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include "reg52.h"
   2          #include "absacc.h"
   3          #include "intrins.h"
   4          #define PA      XBYTE[0xbffc]
   5          #define PB      XBYTE[0xbffd]
   6          #define PC      XBYTE[0xbffe]
   7          #define PCNTL   XBYTE[0xbfff]
   8          #define uchar   unsigned char
   9          uchar   led_bit[]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
  10          uchar   led_code[]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
  11          uchar   showrealm[8]={0};
  12          void delay(uchar dly)
  13          {       uchar   i;
  14   1              for(i=0;i<dly;i++);
  15   1      }
  16          void Dis_Init(void)
  17          {       uchar   i;
  18   1              PCNTL=0x80;
  19   1              for(i=0;i<8;i++)
  20   1                      showrealm[i]=0;
  21   1      }
  22          void main(void)
  23          {       uchar   pa,pb,pc;
  24   1              uchar   i;
  25   1              Dis_Init();
  26   1              for(i=0;i<8;i++)
  27   1                      showrealm[i]=led_code[i];
  28   1              //for(i=0;i<8;i++)
  29   1              //{
  30   1                      pa=0xff;
  31   1                      delay(2);
  32   1                      pb=~led_bit[4];
  33   1              //}
  34   1              while(1);
  35   1      }
*** WARNING C280 IN LINE 23 OF 8255.C: 'pc': unreferenced local variable


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     63    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     24       3
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  1 WARNING(S),  0 ERROR(S)