ex1.lst

零基础单片机C语言设计全套教程

C51 COMPILER V8.08   EX1                                                                   09/04/2008 16:53:44 PAGE 1   


C51 COMPILER V8.08, COMPILATION OF MODULE EX1
OBJECT MODULE PLACED IN ex1.OBJ
COMPILER INVOKED BY: C:\Program Files\keil\C51\BIN\C51.EXE ex1.C BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg52.h>                               //头文件
   2          
   3          void ISR0(void) interrupt 0                     //外部中断0服务例程
   4          {
   5   1              P1=P1+1;                                        //P1端口递增
   6   1      }
   7          
   8          void T0ISR(void) interrupt 1            //定时器T0中断响应函数
   9          {
  10   1      P0=P0-1;                                        //P0端口递减
  11   1      
  12   1      TL0=0x0C;                               //重置计数初值
  13   1      TH0=0x0F0;
  14   1      }
  15          
  16          void ISR1(void) interrupt 2                     //外部中断1服务例程
  17          {
  18   1              P2=~P2;                                 //P2端口反相
  19   1      }
  20          
  21          void main(void)                                 //主函数
  22          {
  23   1      IP=0x05;                                                //外部中断0和外部中断1设置为高优先级
  24   1      IT0=1;                                          //外部中断0为下降沿触发
  25   1      IT1=1;                                          //外部中断1为下降沿触发
  26   1      EX0=1;                                          //开EX0中断
  27   1      EX1=1;                                          //开EX1中断
  28   1      TMOD=0x00;                                      //设置定时器T0为模式0
  29   1      TL0=0x0C;                                       //初始化
  30   1      TH0=0x0F0;
  31   1      TR0=1;
  32   1      ET0=1;
  33   1      EA=1;                                           //开中断
  34   1      
  35   1      P0=0;                                           //P0端口初始化为0
  36   1      P1=0;                                           //P1端口初始化为0
  37   1      
  38   1      while(1)                                                //主循环
  39   1      {
  40   2      }
  41   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     48    ----
   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)