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单片机简单实验仿真_二极管顺序点亮

A51 MACRO ASSEMBLER  ERJIGUAN                                                             10/23/2012 17:28:56 PAGE     1


MACRO ASSEMBLER A51 V7.07
OBJECT MODULE PLACED IN erjiguan.OBJ
ASSEMBLER INVOKED BY: H:\Program Files\Keil\C51\BIN\A51.EXE erjiguan.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

0000                   1             ORG    0000H
0000 020030            2             LJMP   START
0030                   3             ORG    0030H
0030 74FE              4     START:  MOV A,#0FEH
0032 7D08              5             MOV R5,#8
0034 F580              6     OUTPUT: MOV P0,A
0036 23                7             RL  A
0037 113E              8             CALL  DELAY
0039 DDF9              9             DJNZ  R5,OUTPUT
003B 020030           10             LJMP START
003E 7E00             11     DELAY:  MOV R6,#0 
0040 7F00             12             MOV R7,#0
0042 DEFE             13     DELAYLOOP:DJNZ R6,DELAYLOOP
0044 DFFC             14               DJNZ R7,DELAYLOOP
0046 22               15               RET
                      16     END
                                  
A51 MACRO ASSEMBLER  ERJIGUAN                                                             10/23/2012 17:28:56 PAGE     2

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


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

DELAY. . . . . . .  C ADDR   003EH   A   
DELAYLOOP. . . . .  C ADDR   0042H   A   
OUTPUT . . . . . .  C ADDR   0034H   A   
P0 . . . . . . . .  D ADDR   0080H   A   
START. . . . . . .  C ADDR   0030H   A   


REGISTER BANK(S) USED: 0 


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