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C51 COMPILER V8.02   FOR_1                                                                 11/28/2008 21:25:15 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE FOR_1
OBJECT MODULE PLACED IN for_1.OBJ
COMPILER INVOKED BY: D:\Program Files\Keil C\C51\BIN\C51.EXE for_1.C BROWSE DEBUG OBJECTEXTEND CODE LISTINCLUDE SYMBOLS

line level    source

   1          #include<reg52.h>
   1      =1  /*--------------------------------------------------------------------------
   2      =1  REG52.H
   3      =1  
   4      =1  Header file for generic 80C52 and 80C32 microcontroller.
   5      =1  Copyright (c) 1988-2002 Keil Elektronik GmbH and Keil Software, Inc.
   6      =1  All rights reserved.
   7      =1  --------------------------------------------------------------------------*/
   8      =1  
   9      =1  #ifndef __REG52_H__
  10      =1  #define __REG52_H__
  11      =1  
  12      =1  /*  BYTE Registers  */
  13      =1  sfr P0    = 0x80;
  14      =1  sfr P1    = 0x90;
  15      =1  sfr P2    = 0xA0;
  16      =1  sfr P3    = 0xB0;
  17      =1  sfr PSW   = 0xD0;
  18      =1  sfr ACC   = 0xE0;
  19      =1  sfr B     = 0xF0;
  20      =1  sfr SP    = 0x81;
  21      =1  sfr DPL   = 0x82;
  22      =1  sfr DPH   = 0x83;
  23      =1  sfr PCON  = 0x87;
  24      =1  sfr TCON  = 0x88;
  25      =1  sfr TMOD  = 0x89;
  26      =1  sfr TL0   = 0x8A;
  27      =1  sfr TL1   = 0x8B;
  28      =1  sfr TH0   = 0x8C;
  29      =1  sfr TH1   = 0x8D;
  30      =1  sfr IE    = 0xA8;
  31      =1  sfr IP    = 0xB8;
  32      =1  sfr SCON  = 0x98;
  33      =1  sfr SBUF  = 0x99;
  34      =1  
  35      =1  /*  8052 Extensions  */
  36      =1  sfr T2CON  = 0xC8;
  37      =1  sfr RCAP2L = 0xCA;
  38      =1  sfr RCAP2H = 0xCB;
  39      =1  sfr TL2    = 0xCC;
  40      =1  sfr TH2    = 0xCD;
  41      =1  
  42      =1  
  43      =1  /*  BIT Registers  */
  44      =1  /*  PSW  */
  45      =1  sbit CY    = PSW^7;
  46      =1  sbit AC    = PSW^6;
  47      =1  sbit F0    = PSW^5;
  48      =1  sbit RS1   = PSW^4;
  49      =1  sbit RS0   = PSW^3;
  50      =1  sbit OV    = PSW^2;
  51      =1  sbit P     = PSW^0; //8052 only
  52      =1  
  53      =1  /*  TCON  */
  54      =1  sbit TF1   = TCON^7;
C51 COMPILER V8.02   FOR_1                                                                 11/28/2008 21:25:15 PAGE 2   

  55      =1  sbit TR1   = TCON^6;
  56      =1  sbit TF0   = TCON^5;
  57      =1  sbit TR0   = TCON^4;
  58      =1  sbit IE1   = TCON^3;
  59      =1  sbit IT1   = TCON^2;
  60      =1  sbit IE0   = TCON^1;
  61      =1  sbit IT0   = TCON^0;
  62      =1  
  63      =1  /*  IE  */
  64      =1  sbit EA    = IE^7;
  65      =1  sbit ET2   = IE^5; //8052 only
  66      =1  sbit ES    = IE^4;
  67      =1  sbit ET1   = IE^3;
  68      =1  sbit EX1   = IE^2;
  69      =1  sbit ET0   = IE^1;
  70      =1  sbit EX0   = IE^0;
  71      =1  
  72      =1  /*  IP  */
  73      =1  sbit PT2   = IP^5;
  74      =1  sbit PS    = IP^4;
  75      =1  sbit PT1   = IP^3;
  76      =1  sbit PX1   = IP^2;
  77      =1  sbit PT0   = IP^1;
  78      =1  sbit PX0   = IP^0;
  79      =1  
  80      =1  /*  P3  */
  81      =1  sbit RD    = P3^7;
  82      =1  sbit WR    = P3^6;
  83      =1  sbit T1    = P3^5;
  84      =1  sbit T0    = P3^4;
  85      =1  sbit INT1  = P3^3;
  86      =1  sbit INT0  = P3^2;
  87      =1  sbit TXD   = P3^1;
  88      =1  sbit RXD   = P3^0;
  89      =1  
  90      =1  /*  SCON  */
  91      =1  sbit SM0   = SCON^7;
  92      =1  sbit SM1   = SCON^6;
  93      =1  sbit SM2   = SCON^5;
  94      =1  sbit REN   = SCON^4;
  95      =1  sbit TB8   = SCON^3;
  96      =1  sbit RB8   = SCON^2;
  97      =1  sbit TI    = SCON^1;
  98      =1  sbit RI    = SCON^0;
  99      =1  
 100      =1  /*  P1  */
 101      =1  sbit T2EX  = P1^1; // 8052 only
 102      =1  sbit T2    = P1^0; // 8052 only
 103      =1               
 104      =1  /*  T2CON  */
 105      =1  sbit TF2    = T2CON^7;
 106      =1  sbit EXF2   = T2CON^6;
 107      =1  sbit RCLK   = T2CON^5;
 108      =1  sbit TCLK   = T2CON^4;
 109      =1  sbit EXEN2  = T2CON^3;
 110      =1  sbit TR2    = T2CON^2;
 111      =1  sbit C_T2   = T2CON^1;
 112      =1  sbit CP_RL2 = T2CON^0;
 113      =1  
 114      =1  #endif
   2          
   3          //延时100000-3us 函数定义
C51 COMPILER V8.02   FOR_1                                                                 11/28/2008 21:25:15 PAGE 3   

   4          void delay(void)
   5          {
   6   1          unsigned char i,j;
   7   1          for(i=232;i>0;i--)
   8   1          for(j=214;j>0;j--);
   9   1      }
  10          
  11          
  12          void main(void)
  13          {
  14   1              P0=0x00;
  15   1              delay();
  16   1              P0=0xff;
  17   1              delay();
  18   1              P0=0x00;
  19   1              delay();
  20   1              P0=0xff;
  21   1      }
  22          
C51 COMPILER V8.02   FOR_1                                                                 11/28/2008 21:25:15 PAGE 4   

ASSEMBLY LISTING OF GENERATED OBJECT CODE


             ; FUNCTION delay (BEGIN)
                                           ; SOURCE LINE # 4
                                           ; SOURCE LINE # 5
                                           ; SOURCE LINE # 7
;---- Variable 'i' assigned to Register 'R7' ----
0000 7FE8              MOV     R7,#0E8H
0002         ?C0001:
                                           ; SOURCE LINE # 8
;---- Variable 'j' assigned to Register 'R6' ----
0002 7ED6              MOV     R6,#0D6H
0004         ?C0004:
0004 DEFE              DJNZ    R6,?C0004
0006         ?C0003:
0006 DFFA              DJNZ    R7,?C0001
                                           ; SOURCE LINE # 9
0008         ?C0007:
0008 22                RET     
             ; FUNCTION delay (END)

             ; FUNCTION main (BEGIN)
                                           ; SOURCE LINE # 12
                                           ; SOURCE LINE # 13
                                           ; SOURCE LINE # 14
0000 E4                CLR     A
0001 F580              MOV     P0,A
                                           ; SOURCE LINE # 15
0003 120000      R     LCALL   delay
                                           ; SOURCE LINE # 16
0006 7580FF            MOV     P0,#0FFH
                                           ; SOURCE LINE # 17
0009 120000      R     LCALL   delay
                                           ; SOURCE LINE # 18
000C F580              MOV     P0,A
                                           ; SOURCE LINE # 19
000E 120000      R     LCALL   delay
                                           ; SOURCE LINE # 20
0011 7580FF            MOV     P0,#0FFH
                                           ; SOURCE LINE # 21
0014 22                RET     
             ; FUNCTION main (END)

C51 COMPILER V8.02   FOR_1                                                                 11/28/2008 21:25:15 PAGE 5   

NAME                                    CLASS   MSPACE  TYPE    OFFSET  SIZE
====                                    =====   ======  ====    ======  ====


P0 . . . . . . . . . . . . . . . . . .  SFR      DATA   U_CHAR   0080H  1
P1 . . . . . . . . . . . . . . . . . .  SFR      DATA   U_CHAR   0090H  1
P3 . . . . . . . . . . . . . . . . . .  SFR      DATA   U_CHAR   00B0H  1
IE . . . . . . . . . . . . . . . . . .  SFR      DATA   U_CHAR   00A8H  1
delay. . . . . . . . . . . . . . . . .  PUBLIC   CODE   PROC     0000H  -----
  i. . . . . . . . . . . . . . . . . .  * REG *  DATA   U_CHAR   0007H  1
  j. . . . . . . . . . . . . . . . . .  * REG *  DATA   U_CHAR   0006H  1
IP . . . . . . . . . . . . . . . . . .  SFR      DATA   U_CHAR   00B8H  1
main . . . . . . . . . . . . . . . . .  PUBLIC   CODE   PROC     0000H  -----
SCON . . . . . . . . . . . . . . . . .  SFR      DATA   U_CHAR   0098H  1
TCON . . . . . . . . . . . . . . . . .  SFR      DATA   U_CHAR   0088H  1
T2CON. . . . . . . . . . . . . . . . .  SFR      DATA   U_CHAR   00C8H  1
PSW. . . . . . . . . . . . . . . . . .  SFR      DATA   U_CHAR   00D0H  1


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     30    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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

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