ex1.lst

proteus仿真的三个例子

A51 MACRO ASSEMBLER  EX1                                                                  12/01/2007 21:06:11 PAGE     1


MACRO ASSEMBLER A51 V7.10
OBJECT MODULE PLACED IN EX1.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE EX1.ASM SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

0000                   1     ORG 0000H
0000 802E              2     SJMP START
0030                   3     ORG 0030H
0030 C290              4     START: CLR P1.0
0032 12003D            5            LCALL DELAY
0035 D290              6                SETB P1.0
0037 12003D            7                LCALL DELAY
003A 020030            8                LJMP START
003D 7D14              9     DELAY:  MOV R5,#20          ;延时子程序，延时0.2秒 
003F 7E14             10     D1:             MOV R6,#20 
0041 7FF8             11     D2:             MOV R7,#248 
0043 DFFE             12                     DJNZ R7,$ 
0045 DEFA             13                     DJNZ R6,D2 
0047 DDF6             14                     DJNZ R5,D1 
0049 22               15                     RET  
                      16             END
A51 MACRO ASSEMBLER  EX1                                                                  12/01/2007 21:06:11 PAGE     2

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


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

D1 . . . . . . . .  C ADDR   003FH   A   
D2 . . . . . . . .  C ADDR   0041H   A   
DELAY. . . . . . .  C ADDR   003DH   A   
P1 . . . . . . . .  D ADDR   0090H   A   
START. . . . . . .  C ADDR   0030H   A   


REGISTER BANK(S) USED: 0 


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