dj15－1.lst

51单片机开发入门与典型实例

A51 MACRO ASSEMBLER  DJ15__1                                                              01/08/2007 06:34:59 PAGE     1


MACRO ASSEMBLER A51 V7.07
OBJECT MODULE PLACED IN DJ15－1.OBJ
ASSEMBLER INVOKED BY: C:\Keil7.06\C51\BIN\A51.EXE DJ15－1.ASM SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

                       1      ;文件名：DJ15-1.ASM
                       2      ;程序功能：步进电动机正转
                       3      
0000 7805              4      Z_M:  MOV R0, #5
                       5            
0002 7580FE            6       LOOP: MOV P0,  #0FEH
0005 1118              7             ACALL DELAY
                       8             
0007 7580FD            9             MOV P0,  #0FDH
000A 1118             10             ACALL DELAY
                      11     
000C 7580FB           12             MOV P0,  #0FBH
000F 1118             13             ACALL DELAY
                      14     
0011 7580F7           15             MOV P0,  #0F7H
0014 1118             16             ACALL DELAY
                      17     
0016 D8EA             18             DJNZ R0, LOOP
                      19     ;---------------------------------
0018 7D32             20      DELAY: MOV R5,#50
001A 7E64             21      DLY1:  MOV R6,#100
001C 7F64             22      DLY2:  MOV R7,#100
001E DFFE             23             DJNZ R7,$
0020 DEFA             24             DJNZ R6, DLY2
0022 DDF6             25             DJNZ R5, DLY1
0024 22               26             RET
                      27             END
                              
                             
A51 MACRO ASSEMBLER  DJ15__1                                                              01/08/2007 06:34:59 PAGE     2

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


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

DELAY. . . . . . .  C ADDR   0018H   A   
DLY1 . . . . . . .  C ADDR   001AH   A   
DLY2 . . . . . . .  C ADDR   001CH   A   
LOOP . . . . . . .  C ADDR   0002H   A   
P0 . . . . . . . .  D ADDR   0080H   A   
Z_M. . . . . . . .  C ADDR   0000H   A   


REGISTER BANK(S) USED: 0 


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