A51 MACRO ASSEMBLER  START                                                                04/19/2008 23:01:53 PAGE     1


MACRO ASSEMBLER A51 V8.00d
OBJECT MODULE PLACED IN start.OBJ
ASSEMBLER INVOKED BY: D:\Keil C51\C51\BIN\A51.EXE start.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

                       1     PUBLIC          QIDONG                                  ;導出函數名給C語言函數             
                                  
                       2                                                  
                       3     KEYSCANP        SEGMENT CODE
----                   4     RSEG            KEYSCANP                
                       5                     
                       6     ;       ORG             0000H
                       7                     ;LJMP   START
                       8                     ;ORG            0030H
0000                   9     QIDONG:
                      10             
                      11             
                      12       
                      13     
                      14     
                      15     
                      16     
                      17     
                      18     
                      19     
                      20     
                      21             
                      22                                     
0000 7CFF             23             MOV R4,#255
0002 7FFF             24     DELAY:  MOV R7,#255
0004 DFFE             25     delay1: DJNZ R7,DELAY1
0006 DCFA             26                 DJNZ R4,DELAY          
                      27                     
0008 908010           28                     MOV DPTR ,#8010H
000B 7410             29                     MOV A,#10H;                               //1M
000D F0               30                     MOVX  @DPTR, A ;
000E 00               31                     NOP
000F 00               32                     NOP
                      33                     
0010 4408             34                     ORL A,#08H;
0012 F0               35                     MOVX @DPTR ,A;                                     //101
                      36     
0013 54F7             37                 ANL A,#0F7H;
0015 F0               38                     MOVX  @DPTR, A ;
                      39     
                      40     
                      41     
0016 00               42     HHH:    NOP 
0017 00               43                     NOP
0018 00               44                 NOP
0019 30B3FA           45                     JNB     P3.3,HHH
                      46     
                      47     
                      48     
                      49     
                      50     
                      51     
                      52     
                      53             
                      54                     END     
A51 MACRO ASSEMBLER  START                                                                04/19/2008 23:01:53 PAGE     2

SYMBOL TABLE LISTING
------ ----- -------


N A M E             T Y P E  V A L U E   ATTRIBUTES

DELAY. . . . . . .  C ADDR   0002H   R   SEG=KEYSCANP
DELAY1 . . . . . .  C ADDR   0004H   R   SEG=KEYSCANP
HHH. . . . . . . .  C ADDR   0016H   R   SEG=KEYSCANP
KEYSCANP . . . . .  C SEG    001CH       REL=UNIT
P3 . . . . . . . .  D ADDR   00B0H   A   
QIDONG . . . . . .  C ADDR   0000H   R   SEG=KEYSCANP


REGISTER BANK(S) USED: 0 

ASSEMBLY COMPLETE.  0 WARNING(S), 0 ERROR(S)