ledtest.lst

利用51单片机实现4*4的键盘扫描程序 在多个51平台中验证通过

C51 COMPILER V8.05a   LEDTEST                                                              09/17/2007 20:55:24 PAGE 1   


C51 COMPILER V8.05a, COMPILATION OF MODULE LEDTEST
OBJECT MODULE PLACED IN ledtest.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE ledtest.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include "reg52.h"
   2          #include "keyscan.h"
   3          #define uchar unsigned char
   4          
   5          uchar getcode(uchar i)                           
   6          {
   7   1              uchar p;
   8   1              switch (i)
   9   1              {
  10   2                      case 0x11:       p=0x3f;        break;                  /* 0 */
  11   2                      case 0x12:       p=0x06;        break;                  /* 1 */
  12   2                      case 0x14:       p=0x5B;        break;                  /* 2 */
  13   2                      case 0x18:       p=0x4F;        break;                  /* 3 */
  14   2                      case 0x21:       p=0x66;        break;                  /* 4 */
  15   2                      case 0x22:       p=0x6D;        break;                  /* 5 */
  16   2                      case 0x24:       p=0x7D;        break;                  /* 6 */
  17   2                      case 0x28:       p=0x07;        break;                  /* 7 */
  18   2                      case 0x41:       p=0x7F;        break;                  /* 8 */
  19   2                      case 0x42:       p=0x67;        break;                  /* 9 */
  20   2                      case 0x44:   p=0x77;    break;                  /* A */
  21   2                      case 0x48:   p=0x7C;    break;                  /* B */
  22   2                      case 0x81:   p=0x39;    break;                  /* C */
  23   2                      case 0x82:   p=0x5E;    break;                  /* D */
  24   2                      case 0x84:   p=0x79;    break;                  /* E */
  25   2                      case 0x88:   p=0x71;    break;                  /* F */
  26   2                      default:                        break;
  27   2              }
  28   1              return(p);
  29   1      }/* 显示函数 */ 
  30           
  31          void main(void)
  32          {
  33   1      uchar key; 
  34   1      P3=0;
  35   1      while(1)
  36   1      {key=keyscan();
  37   2       P0=getcode(key);}
  38   1       }
  39          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    217    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       1
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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