text6.lst

汇编写的小程序初学很好的 是单片机ATM89C51用的开发工具是KEIL UV2

A51 MACRO ASSEMBLER  TEXT6                                                                02/17/2006 14:07:53 PAGE     1


MACRO ASSEMBLER A51 V6.12
OBJECT MODULE PLACED IN .\Text6.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE .\Text6.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

0000                   1     ORG 0000H
0000 020030            2     LJMP START
0030                   3     ORG 30H
0030 75815F            4     START:MOV SP,#5FH
0033 7590FF            5     MOV p1,#0FFH
0036 75B0FF            6     MOV p3,#0FFH
0039 30B206            7     L1:JNB P3.2,L2   ;P3.2上接有一只按键，它按下时，P3.2=0
003C 30B309            8     JNB P3.3,L3       ;P3.3上接有一只按键，它按下时，P3.3=0
003F 020039            9     LJMP L1
0042 759000           10     L2:MOV P1,#00H
0045 020039           11     LJMP L1
0048 7590FF           12     L3:MOV P1,#0FFH
004B 020039           13     LJMP L1
                      14     END
                             
A51 MACRO ASSEMBLER  TEXT6                                                                02/17/2006 14:07:53 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   
P1 . . . . . . . .  D ADDR   0090H   A   
P3 . . . . . . . .  D ADDR   00B0H   A   
SP . . . . . . . .  D ADDR   0081H   A   
START. . . . . . .  C ADDR   0030H   A   


REGISTER BANK(S) USED: 0 


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