a.lst

用Proteus和Keil联调控制双步进电机正

A51 MACRO ASSEMBLER  A                                                                    09/28/2007 22:32:47 PAGE     1


MACRO ASSEMBLER A51 V7.07
OBJECT MODULE PLACED IN .\a.obj
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE ..\延时\a.asm SET(SMALL) DEBUG PRINT(.\a.lst) OBJECT(.\a.obj) EP

LOC  OBJ            LINE     SOURCE

0030                   1     ORG 0030H
0030 7DFF              2     START:MOV R5,#0FFH
0032 D293              3     LOOP: SETB P1.3
0034 113F              4           ACALL DELAY
0036 113F              5           ACALL DELAY
0038 C293              6           CLR P1.3
003A 113F              7           ACALL DELAY
003C DDF4              8           DJNZ R5,LOOP
003E 22                9           RET
003F 7FFA             10     DELAY:MOV R7,#0FAH
0041 7EFA             11       DE: MOV R6,#0FAH
0043 00               12       D1:NOP 
0044 00               13          NOP
0045 DEFC             14          DJNZ R6,D1
0047 DFF8             15          DJNZ R7,DE
0049 32               16          RETI
                      17     END   
                             
A51 MACRO ASSEMBLER  A                                                                    09/28/2007 22:32:47 PAGE     2

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


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

D1 . . . . . . . .  C ADDR   0043H   A   
DE . . . . . . . .  C ADDR   0041H   A   
DELAY. . . . . . .  C ADDR   003FH   A   
LOOP . . . . . . .  C ADDR   0032H   A   
P1 . . . . . . . .  D ADDR   0090H   A   
START. . . . . . .  C ADDR   0030H   A   


REGISTER BANK(S) USED: 0 


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