1.lst

刚学时编的小程序

A51 MACRO ASSEMBLER  1                                                                    03/07/2007 20:58:02 PAGE     1


MACRO ASSEMBLER A51 V8.00
OBJECT MODULE PLACED IN 1.OBJ
ASSEMBLER INVOKED BY: d:\Keil 8\C51\BIN\A51.EXE 1.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

0000                   1                     ORG 0000h
0000 C290              2     START: CLR P1.0
0002 12000D            3     LCALL DELAY
0005 D290              4     SETB P1.0
0007 12000D            5     LCALL DELAY
000A 020000            6     LJMP START
000D 7D14              7     DELAY: MOV R5,#20 ;延时子程序，延时0.2秒
000F 7E14              8     D1: MOV R6,#20
0011 7FF8              9     D2: MOV R7,#248
0013 DFFE             10     DJNZ R7,$
0015 DEFA             11     DJNZ R6,D2
0017 DDF6             12     DJNZ R5,D1
0019 22               13     RET
                      14     END
A51 MACRO ASSEMBLER  1                                                                    03/07/2007 20:58:02 PAGE     2

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


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

D1 . . . . . . . .  C ADDR   000FH   A   
D2 . . . . . . . .  C ADDR   0011H   A   
DELAY. . . . . . .  C ADDR   000DH   A   
P1 . . . . . . . .  D ADDR   0090H   A   
START. . . . . . .  C ADDR   0000H   A   


REGISTER BANK(S) USED: 0 


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