A51 MACRO ASSEMBLER  LSD                                                                  09/01/2007 17:08:35 PAGE     1


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

LOC  OBJ            LINE     SOURCE

                       1     ;項目名稱：來回流水燈
                       2     ;硬件環境：AT89C51
                       3     ;硬件描述：P1口接八個LED
                       4     ;功能描述：LED流水實驗
                       5     ;學習單片機  www.zsgbailin.com  zsgbailin@sina.com
                       6     ;2006年5月23日
                       7     ;*******************************************************
                       8     
0000                   9               ORG 0000H
0000 0130             10               AJMP START
0030                  11               ORG 0030H
                      12     
0030 7580FF           13     START:    MOV P0,#0FFH
0033 74FE             14               MOV A,#0FEH
0035 F580             15     AAA:      MOV P0,A
0037 12004D           16               LCALL DELAY
003A 309303           17               JNB P1.3,BBB
003D 23               18               RL A
003E 0135             19               AJMP AAA  
0040 747F             20     BBB:      MOV A,#7FH
0042 F580             21     CCC:      MOV P0,A
0044 12004D           22               LCALL DELAY
0047 3090E6           23               JNB P1.0,START 
004A 03               24               RR A
004B 0142             25               AJMP CCC
                      26     
004D 7FFA             27     DELAY:    MOV R7,#250
004F 7E64             28     DL1:      MOV R6,#100
0051 7D0A             29     DL2:      MOV R5,#10
0053 DDFE             30               DJNZ R5,$
0055 DEFA             31               DJNZ R6,DL2
0057 DFF6             32               DJNZ R7,DL1
0059 22               33               RET                
                      34          
                      35               END
                                       
                             
A51 MACRO ASSEMBLER  LSD                                                                  09/01/2007 17:08:35 PAGE     2

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


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

AAA. . . . . . . .  C ADDR   0035H   A   
BBB. . . . . . . .  C ADDR   0040H   A   
CCC. . . . . . . .  C ADDR   0042H   A   
DELAY. . . . . . .  C ADDR   004DH   A   
DL1. . . . . . . .  C ADDR   004FH   A   
DL2. . . . . . . .  C ADDR   0051H   A   
P0 . . . . . . . .  D ADDR   0080H   A   
P1 . . . . . . . .  D ADDR   0090H   A   
START. . . . . . .  C ADDR   0030H   A   


REGISTER BANK(S) USED: 0 

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