adqz.lst

3000TB51配套实验例程 1八段数码管显示实验 等

C51 COMPILER V7.07   ADQZ                                                                  06/21/2005 17:14:53 PAGE 1   


C51 COMPILER V7.07, COMPILATION OF MODULE ADQZ
OBJECT MODULE PLACED IN Adqz.OBJ
COMPILER INVOKED BY: C:\KEIL\C51\BIN\C51.EXE Adqz.c DEBUG OBJECTEXTEND

stmt level    source

   1           /*    “验证式”       实验十八  电子琴    */
   2          #include <reg51.h>
   3          #include <absacc.h>
   4          #define MODE 0x03
   5          
   6          #define CAddr XBYTE[0xe100]  /* 命令控制口 */
   7          #define OUTBIT XBYTE[0xe101]    /* 位控制口 */
   8          #define IN XBYTE[0xe103]   /* 键盘读入口 */
   9          
  10          
  11          code unsigned char KeyTable[] = {
  12             0X00, 0X01, 0X04, 0X07,
  13             0X0f, 0X02, 0X05, 0X08,
  14             0X0e, 0X03, 0X06, 0X09,
  15             0X0d, 0X0c, 0X0b, 0X0a,
  16             0X10, 0X10, 0X10, 0X10,
  17             0X10, 0X10, 0X10, 0X10,
  18          };
  19          
  20          unsigned char TestKey()
  21          {
  22   1         OUTBIT = 0;
  23   1         return (~IN & 0x0f);
  24   1      }
  25          
  26          unsigned char GetKey()
  27          {
  28   1        unsigned char Pos;
  29   1        unsigned char i;
  30   1      //  unsigned char j;
  31   1        unsigned char k;
  32   1      
  33   1        i = 6;
  34   1        Pos = 0x20;
  35   1        do {
  36   2          OUTBIT = ~ Pos;
  37   2          Pos >>= 1;
  38   2          k = ~IN & 0x0f;
  39   2        } while ((--i != 0) && (k == 0));
  40   1      
  41   1        if (k != 0) {
  42   2          i *= 4;
  43   2          if (k & 2)
  44   2            i += 1;
  45   2          else if (k & 4)
  46   2            i += 2;
  47   2          else if (k & 8)
  48   2            i += 3;
  49   2      
  50   2          OUTBIT = 0;
  51   2      
  52   2          return(KeyTable[i]);
  53   2        } else return(0xff);
  54   1      }
  55          
C51 COMPILER V7.07   ADQZ                                                                  06/21/2005 17:14:53 PAGE 2   

  56          /* ================================================================================ */
  57          
  58          code unsigned int ToneTable[7] = {
  59            64578, 64686, 64778, 64821, 64898, 64968, 65029
  60          };
  61          
  62          unsigned char PulseCNT;
  63          bit Pulse;
  64          sbit Speaker = P1^0;
  65          unsigned ToneHigh, ToneLow;
  66          
  67          void Timer() interrupt 1
  68          {
  69   1        TR0 = 0;
  70   1        TH0 = ToneHigh;
  71   1        TL0 = ToneLow;
  72   1        TR0 = 1;
  73   1        Speaker = Pulse;
  74   1        Pulse = !Pulse;
  75   1        PulseCNT--;
  76   1      }
  77          
  78          void main()
  79          {
  80   1        unsigned char Key;
  81   1        CAddr= MODE;
  82   1        TMOD = 0x01;   /* 方式 1 , 记时器 */
  83   1        IE   = 0x82;   /* EA=1, IT0 = 1 */
  84   1        while (1) {
  85   2          while (! TestKey) ;  /* 等按键 */
  86   2          Key = GetKey();
  87   2          if ( (Key >= 1) && (Key <= 7) ) {
  88   3            ToneHigh = ToneTable[Key-1] >> 8;
  89   3            ToneLow  = ToneTable[Key-1] & 0xff;
  90   3            TH0 = ToneHigh;
  91   3            TL0 = ToneLow;
  92   3            TR0 = 1;
  93   3      
  94   3            PulseCNT = 200;
  95   3            while (PulseCNT != 0) ;      /* 发 100 个脉冲 */
  96   3            TR0 = 0;
  97   3          }
  98   2        }
  99   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    193    ----
   CONSTANT SIZE    =     38    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      5    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =      1    ----
END OF MODULE INFORMATION.


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