main.lst

来自「单片机C语言程序设计实训100例」· LST 代码 · 共 175 行

C51 COMPILER V8.08   MAIN                                                                  08/12/2009 16:48:39 PAGE 1   


C51 COMPILER V8.08, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE main.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          /***************   writer:shopping.w   ******************/
   2          #include <reg52.h>
   3          #include <string.h>
   4          #define uchar unsigned char
   5          #define uint unsigned int
   6          void Initialize_LCD();
   7          void ShowString(uchar,uchar,uchar *);
   8          sbit K1 = P3^0;
   9          sbit K2 = P3^1;
  10          sbit K3 = P3^2;
  11          
  12          uchar code Prompt[]="PRESS K1--K4 TO START DEMO PROG";
  13          uchar const Line_Count = 6;
  14          uchar code Msg[][80]=
  15          {
  16                  "Many CAD users dismiss",
  17                  "process of creating PCB",
  18                  "of view.with PCB layout",
  19                  "placement and track routing,",
  20                  "can often be the most time",
  21                  "And if you use circuit simulation",
  22                  "you are going to spend even more"
  23          };
  24          uchar Disp_Buffer[32];
  25          void Delayxms(uint ms)
  26          {
  27   1              uchar i;
  28   1              while(ms--)
  29   1              {
  30   2                      for(i=0;i<120;i++);
  31   2              }
  32   1      }
  33          
  34          void V_Scroll_Display()
  35          {
  36   1              uchar i,j,k = 0;
  37   1              uchar *p = Msg[0];
  38   1              uchar *q = Msg[Line_Count] + strlen(Msg[Line_Count]);
  39   1              while(p<q)
  40   1              {
  41   2                      for(i=0;(i<16)&&(p<q);i++)
  42   2                      {
  43   3                              if(((i==0)||(i==15))&& *p == ' ')
  44   3                                      p++;
  45   3                              if(*p != '\0')
  46   3                              {
  47   4                                      Disp_Buffer[i] = *p++;
  48   4                              }
  49   3                              else
  50   3                              {
  51   4                                      if(++k>Line_Count)
  52   4                                              break;
  53   4                                      p = Msg[k];
  54   4                                      Disp_Buffer[i] = *p++;
  55   4                              }
C51 COMPILER V8.08   MAIN                                                                  08/12/2009 16:48:39 PAGE 2   

  56   3                      }
  57   2                      for(j=i;j<16;j++)
  58   2                              Disp_Buffer[j]=' ';
  59   2                      while(F0)
  60   2                              Delayxms(5);
  61   2                      ShowString(0,0,"      ");
  62   2                      Delayxms(150);
  63   2                      while(F0)
  64   2                              Delayxms(5);
  65   2                      ShowString(0,1,Disp_Buffer);
  66   2                      Delayxms(150);
  67   2                      while(F0)
  68   2                              Delayxms(5);
  69   2                      ShowString(0,0,Disp_Buffer);
  70   2                      ShowString(0,1,"      ");
  71   2                      Delayxms(150);  
  72   2              }
  73   1              ShowString(0,0,"         ");
  74   1              ShowString(0,1,"         ");
  75   1      }
  76          
  77          void H_Scroll_Display()
  78          {
  79   1              uchar m,n,t = 0,L=0;
  80   1              uchar *p = Msg[0];
  81   1              uchar *q = Msg[Line_Count] + strlen(Msg[Line_Count]);
  82   1              for(m=0;m<16;m++)
  83   1                              Disp_Buffer[m]=' ';     
  84   1              while(p<q)
  85   1              {
  86   2                      if((m=16||m==31)&& *p == ' ')
  87   2                              p++;
  88   2                      for(m=16;m<32&&p<q;m++)
  89   2                      {
  90   3                              if(*p != '\0')
  91   3                              {
  92   4                                      Disp_Buffer[m] = *p++;  
  93   4                              }
  94   3                              else
  95   3                              {
  96   4                                      if(++t>Line_Count)
  97   4                                              break;
  98   4                                      p = Msg[t];
  99   4                                      Disp_Buffer[m] = *p++;
 100   4                              }
 101   3                      }
 102   2                      for(n=m;n<32;n++)
 103   2                              Disp_Buffer[n]=' ';
 104   2                      for(m=0;m<=16;m++)
 105   2                      {
 106   3                              while(F0)
 107   3                                      Delayxms(5);
 108   3                              ShowString(0,L,Disp_Buffer+1);
 109   3                              while(F0)
 110   3                                      Delayxms(5);
 111   3                              Delayxms(20);
 112   3                      }
 113   2                      L = (L==0)? 1:0;
 114   2                      Delayxms(200);
 115   2              }
 116   1              if(L==1)
 117   1                      ShowString(0,1,"      ");       
C51 COMPILER V8.08   MAIN                                                                  08/12/2009 16:48:39 PAGE 3   

 118   1      }
 119          
 120          void EX_INT0() interrupt 0
 121          {
 122   1              F0 = !F0;
 123   1      }
 124          
 125          void main()
 126          {
 127   1              uint Count = 0;
 128   1              IE = 0x81;
 129   1              IT0 = 1;
 130   1              F0  = 0;
 131   1              Initialize_LCD();
 132   1              ShowString(0,0,Prompt);
 133   1              ShowString(0,1,Prompt+16);
 134   1              while(1)
 135   1              {
 136   2                      if(K1 == 0)
 137   2                      {
 138   3                              V_Scroll_Display();
 139   3                              Delayxms(200);
 140   3                      }
 141   2                      else if(K2 == 0)
 142   2                      {
 143   3                              H_Scroll_Display();
 144   3                              Delayxms(200);  
 145   3                      }
 146   2              }
 147   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    797    ----
   CONSTANT SIZE    =    609    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     33      19
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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