key.lst

音响效果程序

C51 COMPILER V6.23a  KEY                                                                   02/21/2005 21:27:34 PAGE 1   


C51 COMPILER V6.23a, COMPILATION OF MODULE KEY
OBJECT MODULE PLACED IN key.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE key.c

stmt level    source

   1          #include <reg52.h>
   2          char kbhit( void )
   3          {
   4   1              unsigned char RestoreP1, RestoreIE;
   5   1              char ret=0;
   6   1              unsigned char InP1;
   7   1              RestoreIE = IE;
   8   1              EA = 0;
   9   1              RestoreP1 = P1;
  10   1              P1 = 0x0f;
  11   1              InP1 = P1;
  12   1              P1 = RestoreP1;
  13   1              IE = RestoreIE;
  14   1              if( InP1 != 0x0f ) ret=1;
  15   1              return( ret );
  16   1      }
  17          
  18          char getKey( void )
  19          {
  20   1              code char KeyCode[]={
  21   1              /* 0    1    2    3     4        5        6        7     8        9        A    B         C        D    E        F  */ 
  22   1              0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff,     //0 
  23   1              0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, //1
  24   1              0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, //2 
  25   1              0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, //3
  26   1              0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, //4 
  27   1              0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, //5 
  28   1              0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, //6 
  29   1              0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0x0F, 0xff,0xff,0xff,0x0B, 0xff,0x07,0x03,0xff, //7
  30   1              0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, //8 
  31   1              0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, //9 
  32   1              0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, //A 
  33   1              0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0x0E, 0xff,0xff,0xff,0x0A, 0xff,0x06,0x02,0xff, //B 
  34   1              0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, //C 
  35   1              0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0x0D, 0xff,0xff,0xff,0x09, 0xff,0x05,0x01,0xff, //D 
  36   1              0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0x0C, 0xff,0xff,0xff,0x08, 0xff,0x04,0x00,0xff, //E 
  37   1              0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff  //F 
  38   1              };
  39   1              unsigned char RestoreP1, RestoreIE;
  40   1              unsigned char ret=0;
  41   1              unsigned char Xkey, Ykey;
  42   1              RestoreIE = IE;
  43   1              EA = 0;
  44   1              RestoreP1 = P1;
  45   1              P1=0x0f; Xkey=P1;
  46   1              P1=0xf0; Ykey=P1;
  47   1              P1 = RestoreP1;
  48   1              IE = RestoreIE;
  49   1              ret = KeyCode[Xkey | Ykey];
  50   1              if( ret > 15 ) ret=127;
  51   1              return( ret );
  52   1      }
  53          


C51 COMPILER V6.23a  KEY                                                                   02/21/2005 21:27:34 PAGE 2   

MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     59    ----
   CONSTANT SIZE    =    256    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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