xd_c51_p1.lst

51内核单片机实验程序

C51 COMPILER V7.06   XD_C51_P1                                                             09/17/2007 10:01:04 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE XD_C51_P1
OBJECT MODULE PLACED IN .\XD_c51_p1.obj
COMPILER INVOKED BY: D:\Keil\C51\BIN\C51.EXE ..\XD_dep\XD_c51_p1.c BROWSE DEBUG OBJECTEXTEND PRINT(.\XD_c51_p1.lst) OBJE
                    -CT(.\XD_c51_p1.obj)

stmt level    source

   1          #include<stdio.h>
   2          #include<reg51.h>
   3          //#include<stc89c51rc_rd_plus.h>
   4          
   5          //#include<config.h>
   6           /* unsigned char xdata A_CTR _at_ 0X202;  定义外部存储器的口
   7            unsigned char xdata B_CTR _at_ 0X203;
   8            unsigned char xdata A_IN  _at_ 0X200;
   9            unsigned char xdata B_IN  _at_ 0X201;
  10            unsigned char xdata A_OUT _at_ 0X204;
  11            unsigned char xdata B_OUT _at_ 0X205;
  12            unsigned char xdata A_DIR _at_ 0X206;
  13            unsigned char xdata B_DIR _at_ 0X207;
  14            unsigned char xdata A_DRV _at_ 0X208;
  15            unsigned char xdata B_DRV _at_ 0X209;
  16          
  17            unsigned char xdata C_OUT _at_ 0X212;
  18            unsigned char xdata C_IN _at_ 0X210;
  19            unsigned char xdata C_DIR _at_ 0X214;
  20            unsigned char xdata C_DRV _at_ 0X216;
  21          
  22          */
  23          //unsigned char xdata XRAM _at_ 0X00;
  24          
  25          unsigned char xdata x_bdata[];           // //怎样定义一个任意开头的外部地址呢???
  26          
  27          unsigned char xdata x_data[0xfff] _at_ 0x50;      // //怎样定义一个任意开头的外部地址呢???
  28          
  29          
  30          sbit   led_clk=P2^0;
  31          sbit   dip_clk=P2^1;
  32          sbit   dip_a=P2^2;
  33          sbit   dip_b=P2^3;
  34          sbit   dip_c=P2^4;
  35          sbit   dip_d=P2^5;
  36          sbit   speak=P2^7;             //蜂鸣器输出控制(speak=1无声,speak=0发声)
  37          
  38          sbit   k1=P1^0;               //按键1，0有效
  39          sbit   k2=P1^1;               //按键2，0有效
  40          sbit   k3=P1^2;               //按键3，0有效
  41          sbit   k4=P1^3;               //按键4，0有效
  42          
  43          unsigned char code find_tab[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x67,0x77,0x7c,0x39,0x5e,0x79,
             -0x71,0x00}; 
  44                          //数码管数据:0,1,2,3,4,5,6,7,8,9,a,b,c,d,e,f,10 常驻数据定义在程序区(CODE)!   Scorpion:编