pdown.lst

51单片机用c语言实例 包括ad

C51 COMPILER V7.09   PDOWN                                                                 07/27/2005 16:38:37 PAGE 1   


C51 COMPILER V7.09, COMPILATION OF MODULE PDOWN
OBJECT MODULE PLACED IN PDown.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE PDown.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          /***********************************************************/
   2          /* 文件名称: PDown.c                                       */
   3          /* 功能描述: 掉电模式实验，ALE输出低电平                   */
   4          /***********************************************************/
   5          
   6          #include "SST89x5x4.h"
   7          #include "Intrins.h"
   8          
   9          sbit P27 = P2^7;
  10          #define NOP _nop_()
  11          
  12          void delay(void)
  13          {
  14   1              unsigned int i;
  15   1              for(i=0; i<0xFFFF; i++);
  16   1      }
  17          
  18          void int0_isr() interrupt 0 {}
  19          
  20          void main(void)
  21          {
  22   1              unsigned char i=0x01;
  23   1              IT0 = 0;                                //外部中断0电平触发
  24   1              EX0 = 1;
  25   1              EA = 1;
  26   1              P1 = 0x00;
  27   1              while(1)
  28   1              {
  29   2                      P1 = i;
  30   2                      i = _crol_(i, 1);
  31   2                      delay();
  32   2                      if(P27==0)
  33   2                      {
  34   3                              PCON = 0x02;
  35   3                              NOP;
  36   3                              NOP;
  37   3                              NOP;
  38   3                      }
  39   2              }
  40   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     55    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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