dj15-2.lst

51单片机开发入门与典型实例

A51 MACRO ASSEMBLER  DJ15_2                                                               01/08/2007 06:37:27 PAGE     1


MACRO ASSEMBLER A51 V7.07
OBJECT MODULE PLACED IN DJ15-2.OBJ
ASSEMBLER INVOKED BY: C:\Keil7.06\C51\BIN\A51.EXE DJ15-2.ASM SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

                       1     ;文件名：DJ15-2.ASM
                       2     ;程序功能：步进电机反转
0000 790A              3       F_M:  MOV R1, #10
                       4            
0002 7580F7            5       LOOP: MOV P0,  #0F7H
0005 1118              6             ACALL DELAY
                       7             
0007 7580FB            8             MOV P0,  #0FBH
000A 1118              9             ACALL DELAY
                      10     
000C 7580FD           11             MOV P0,  #0FDH
000F 1118             12             ACALL DELAY
                      13     
0011 7580FE           14             MOV P0,  #0FEH
0014 1118             15             ACALL DELAY
                      16     
0016 D9EA             17             DJNZ R1, LOOP
                      18     ;---------------------------------
0018 7D32             19      DELAY: MOV R5,#50
001A 7E64             20      DLY1:  MOV R6,#100
001C 7F64             21      DLY2:  MOV R7,#100
001E DFFE             22             DJNZ R7,$
0020 DEFA             23             DJNZ R6, DLY2
0022 DDF6             24             DJNZ R5, DLY1
0024 22               25             RET
                      26             END
                              
                             
A51 MACRO ASSEMBLER  DJ15_2                                                               01/08/2007 06:37:27 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   
F_M. . . . . . . .  C ADDR   0000H   A   
LOOP . . . . . . .  C ADDR   0002H   A   
P0 . . . . . . . .  D ADDR   0080H   A   


REGISTER BANK(S) USED: 0 


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