main.lst

51单片机的一些C语言程序 对外部存储单元进行单元刷写和读取！

C51 COMPILER V7.07   MAIN                                                                  07/05/2006 04:36:24 PAGE 1   


C51 COMPILER V7.07, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: c:\Keil\C51\BIN\C51.EXE main.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #define uchar unsigned char //定义一下方便使用
   2          #define uint  unsigned int
   3          #define ulong unsigned long
   4          #include <reg52.h>     //包括一个52标准内核的头文件
   5          
   6          char code dx516[3] _at_ 0x003b;//这是为了仿真设置的
   7          
   8          sbit    BEEP=P1^7; //喇叭输出脚
   9          sbit K1= P3^2;     
  10          sbit K2= P3^5;  
  11          sbit K3= P2^4;     
  12          sbit K4= P2^5;  
  13          
  14          uchar th0_f; //在中断中装载的T0的值高8位
  15          uchar tl0_f; //在中断中装载的T0的值低8位
  16          
  17          //T0的值,及输出频率对照表
  18          uchar code freq[36*2]={
  19                  0xA9,0xEF,//00220HZ ,1   //0
  20                  0x93,0xF0,//00233HZ ,1#
  21                  0x73,0xF1,//00247HZ ,2
  22                  0x49,0xF2,//00262HZ ,2#
  23                  0x07,0xF3,//00277HZ ,3
  24                  0xC8,0xF3,//00294HZ ,4
  25                  0x73,0xF4,//00311HZ ,4#
  26                  0x1E,0xF5,//00330HZ ,5 
  27                  0xB6,0xF5,//00349HZ ,5#
  28                  0x4C,0xF6,//00370HZ ,6
  29                  0xD7,0xF6,//00392HZ ,6#
  30                  0x5A,0xF7,//00415HZ ,7    
  31                  0xD8,0xF7,//00440HZ 1     //12
  32                  0x4D,0xF8,//00466HZ 1#    //13
  33                  0xBD,0xF8,//00494HZ 2     //14
  34                  0x24,0xF9,//00523HZ 2#    //15
  35                  0x87,0xF9,//00554HZ 3     //16
  36                  0xE4,0xF9,//00587HZ 4     //17
  37                  0x3D,0xFA,//00622HZ 4#    //18
  38                  0x90,0xFA,//00659HZ 5     //19
  39                  0xDE,0xFA,//00698HZ 5#    //20
  40                  0x29,0xFB,//00740HZ 6     //21
  41                  0x6F,0xFB,//00784HZ 6#    //22
  42                  0xB1,0xFB,//00831HZ 7     //23
  43                  0xEF,0xFB,//00880HZ `1
  44                  0x2A,0xFC,//00932HZ `1#
  45                  0x62,0xFC,//00988HZ `2
  46                  0x95,0xFC,//01046HZ `2#
  47                  0xC7,0xFC,//01109HZ `3
  48                  0xF6,0xFC,//01175HZ `4
  49                  0x22,0xFD,//01244HZ  `4#
  50                  0x4B,0xFD,//01318HZ `5
  51                  0x73,0xFD,//01397HZ `5#
  52                  0x98,0xFD,//01480HZ `6
  53                  0xBB,0xFD,//01568HZ `6#
  54                  0xDC,0xFD,//01661HZ `7     //35
  55          };
C51 COMPILER V7.07   MAIN                                                                  07/05/2006 04:36:24 PAGE 2   

  56          
  57          //定时中断0,用于产生唱歌频率
  58          timer0() interrupt 1 
  59          {
  60   1          TL0=tl0_f;TH0=th0_f;  //调入预定时值
  61   1          BEEP=~BEEP;           //取反音乐输出IO
  62   1      }
  63          
  64          //单个按键控制多个音阶声音输出
  65          void main(void) // 主程序
  66          {
  67   1              ulong n;
  68   1              uchar i;
  69   1      
  70   1              uchar code jie8[8]={12,14,16,17,19,21,23,24};//1234567`1八个音符在频率表中的位置
  71   1      
  72   1              TMOD = 0x01;  //使用定时器0的16位工作模式
  73   1              TR0 = 0;
  74   1              ET0 = 1;
  75   1              EA = 1;
  76   1      
  77   1              while(1)
  78   1              {
  79   2                       if(!K1)   //按键K1
  80   2                       {      
  81   3                              tl0_f=freq[jie8[i]*2];    //置一个音符的值
  82   3                              th0_f=freq[jie8[i]*2+1];
  83   3                              TR0 = 1;
  84   3                              for(n=0;n<10000;n++);   //声音延时
  85   3      
  86   3                              while(!K1);
  87   3                              for(n=0;n<1000;n++);    //去抖延时
  88   3      
  89   3                              TR0 = 0;
  90   3      
  91   3                              i++;                                     //循环下一个音符
  92   3                              if(i==8)i=0;
  93   3                       }
  94   2              }
  95   1      }
  96          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    188    ----
   CONSTANT SIZE    =     80    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      2       5
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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