04按P1.4

A51 MACRO ASSEMBLER  芲禵蚠止縚制                                                         02/24/2009 14:12:10 PAGE     1


MACRO ASSEMBLER A51 V6.12
OBJECT MODULE PLACED IN .\启动停止控制.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE .\启动停止控制.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

                       1     ;--启动停止控制--2009/02/04 --glory--
                       2     
0000                   3           ORG 0000H
0000 020030            4           LJMP START
0030                   5           ORG 30H
0030 75815F            6     START:MOV SP,#5FH
0033 7580FF            7           MOV P0,#0FFH
0036 7590FF            8           MOV P1,#0FFH
0039 309406            9     L1:   JNB P1.4,L2 ;P1.4上接有一只按键，它按下时，P1.4=0
003C 309509           10           JNB P1.5,L3 ;P1.5上接有一只按键，它按下时，P1.5=0
003F 020039           11           LJMP L1
0042 758000           12     L2:   MOV P0,#00H
0045 020039           13           LJMP L1
0048 7580FF           14     L3:   MOV P0,#0FFH
004B 020039           15           LJMP L1
                      16           END
A51 MACRO ASSEMBLER  芲禵蚠止縚制                                                         02/24/2009 14:12:10 PAGE     2

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


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

L1 . . . . . . . .  C ADDR   0039H   A   
L2 . . . . . . . .  C ADDR   0042H   A   
L3 . . . . . . . .  C ADDR   0048H   A   
P0 . . . . . . . .  D ADDR   0080H   A   
P1 . . . . . . . .  D ADDR   0090H   A   
SP . . . . . . . .  D ADDR   0081H   A   
START. . . . . . .  C ADDR   0030H   A   


REGISTER BANK(S) USED: 0 


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