main.lst

《单片机c程序设计及应用实列》一书的源代

C51 COMPILER V6.23a  MAIN                                                                  11/14/2002 00:29:04 PAGE 1   


C51 COMPILER V6.23a, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE main.c LARGE DEBUG OBJECTEXTEND

stmt level    source

   1          #include <REG52.H>                /* special function register declarations   */
   2                                            /* for the intended 8051 derivative         */
   3          
   4          #include <stdio.h>                /* prototype declarations for I/O functions */
   5          
   6          #ifdef MONITOR51                         /* Debugging with Monitor-51 needs   */
              char code reserve [3] _at_ 0x23;         /* space for serial interrupt if     */
              #endif                                   /* Stop Exection with Serial Intr.   */
   9                                                   /* is enabled                        */
  10          /*------------------------------------------------
  11          The main C function.  Program execution starts
  12          here after stack initialization.
  13          ------------------------------------------------*/
  14          void initial(void)
  15          {
  16   1              IP=IP|0x04;              //中断1为高优先级
  17   1              IE=IE|0x04;              //允许中断1
  18   1              TCON=TCON&0xFB;     //中断1为电平触发方式
  19   1              
  20   1              
  21   1              PCON=0;
  22   1      }
  23          
  24          void main (void) {
  25   1      
  26   1      /*------------------------------------------------
  27   1      Setup the serial port for 1200 baud at 16MHz.
  28   1      ------------------------------------------------*/
  29   1      #ifndef MONITOR51
  30   1          SCON  = 0x50;                       /* SCON: mode 1, 8-bit UART, enable rcvr      */
  31   1          TMOD |= 0x20;               /* TMOD: timer 1, mode 2, 8-bit reload        */
  32   1          TH1   = 221;                /* TH1:  reload value for 1200 baud @ 16MHz   */
  33   1          TR1   = 1;                  /* TR1:  timer 1 run                          */
  34   1          TI    = 1;                  /* TI:   set TI to send first char of UART    */
  35   1      #endif
  36   1      /*------------------------------------------------
  37   1      Note that an embedded program never exits (because
  38   1      there is no operating system to return to).  It
  39   1      must loop and execute forever.
  40   1      ------------------------------------------------*/
  41   1          initial();
  42   1              while (1) {};
  43   1      }
  44          
  45          
  46          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     31    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
C51 COMPILER V6.23a  MAIN                                                                  11/14/2002 00:29:04 PAGE 2   

   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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