led.lst

51单片机程序

A51 MACRO ASSEMBLER  LED                                                                  02/22/2008 15:38:42 PAGE     1


MACRO ASSEMBLER A51 V7.08a
OBJECT MODULE PLACED IN led.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE led.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

0000                   1     ORG 0000H ; 
0000 020030            2     LJMP MAIN ;
0030                   3     ORG 030H ;
0030 7580DB            4     MAIN: MOV P0,#0DBH ;11011011--零为亮
0033 1141              5     ACALL DELay ;
0035 75806D            6     MOV P0,#06DH ;01101101
0038 1141              7     ACALL DELay ;
003A 7580B6            8     MOV P0,#0B6H ;10110110
003D 1141              9     ACALL DELay ;
003F 0130             10     AJMP MAIN ;
0041 7FFF             11     delay: mov r7,#255 ;延时子程序
0043 7EFF             12     d1: mov r6,#255
0045 DEFE             13     d2: djnz r6,d2
0047 DFFA             14     djnz r7,d1
0049 22               15     ret
                      16     end 
A51 MACRO ASSEMBLER  LED                                                                  02/22/2008 15:38:42 PAGE     2

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


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

D1 . . . . . . . .  C ADDR   0043H   A   
D2 . . . . . . . .  C ADDR   0045H   A   
DELAY. . . . . . .  C ADDR   0041H   A   
MAIN . . . . . . .  C ADDR   0030H   A   
P0 . . . . . . . .  D ADDR   0080H   A   


REGISTER BANK(S) USED: 0 


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