2.lst

单片机的实用程序代码

A51 MACRO ASSEMBLER  2                                                                    08/15/2010 14:16:19 PAGE     1


MACRO ASSEMBLER A51 V7.10
OBJECT MODULE PLACED IN 2.OBJ
ASSEMBLER INVOKED BY: D:\Program Files\KEIL\C51\BIN\A51.EXE 2.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

0000                   1     ORG 0000H
0000 0130              2     AJMP MAIN
0030                   3     ORG 0030H
0030                   4     MAIN:
0030 75A000            5     mov P2 , #00
0033 758001            6     mov P0 , #01h
0036 E580              7     MOV A ,P0
0038 23                8     LOOP:RL A
0039 120043            9     LCALL DELAY
003C F580             10     MOV P0,A
003E 120043           11     LCALL DELAY
0041 80F5             12     SJMP LOOP
0043 7EFF             13     DELAY:MOV R6,#255
0045 7FFF             14     D1:   MOV R7,#255
0047 DFFE             15           DJNZ R7,$
0049 DEFA             16           DJNZ R6,D1
004B 22               17           RET
                      18           END
A51 MACRO ASSEMBLER  2                                                                    08/15/2010 14:16:19 PAGE     2

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


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

D1 . . . . . . . .  C ADDR   0045H   A   
DELAY. . . . . . .  C ADDR   0043H   A   
LOOP . . . . . . .  C ADDR   0038H   A   
MAIN . . . . . . .  C ADDR   0030H   A   
P0 . . . . . . . .  D ADDR   0080H   A   
P2 . . . . . . . .  D ADDR   00A0H   A   


REGISTER BANK(S) USED: 0 


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