led2.lst

51单片机实验例程

A51 MACRO ASSEMBLER  LED2                                                                 10/28/2009 23:13:00 PAGE     1


MACRO ASSEMBLER A51 V7.09
OBJECT MODULE PLACED IN LED2.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE LED2.ASM SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

                       1     
                       2     
                       3     
                       4     
                       5     
                       6     
                       7     
0000                   8             ORG 0000H        ;程序从000H地址开始运行
0000 0130              9             AJMP MAIN        ;跳转到 MAIN程序
                      10     
0030                  11             ORG 030H          ;MAIN程序从030H开始运行
0030                  12     MAIN:   
0030 75A0FE           13         MOV P2,#0FEH
0033 115D             14             ACALL DEL          ;调用延时子程序
0035 75A0FC           15             MOV P2,#0FCH
0038 115D             16             ACALL DEL          ;调用延时子程序
003A 75A0F8           17             MOV P2,#0F8H
003D 115D             18             ACALL DEL
003F 75A0F0           19             MOV P2,#0F0H
0042 115D             20             ACALL DEL
0044 75A0E0           21             MOV P2,#0E0H
0047 115D             22             ACALL DEL
0049 75A0C0           23             MOV P2,#0C0H
004C 115D             24             ACALL DEL
004E 75A080           25             MOV P2,#080H
0051 115D             26             ACALL DEL
0053 75A000           27             MOV P2,#000H
0056 115D             28             ACALL DEL
0058 75A0FF           29             MOV P2,#0FFH
005B 0130             30             AJMP MAIN          ;跳转到MAIN程序
                      31     
                      32     ; 延时子程序
005D 7D02             33     DEL:    MOV R5,#02H
005F 7EF0             34     DEL1:   MOV R6,#0F0H
0061 7FF0             35     DEL2:   MOV R7,#0F0H
0063 DFFE             36     DEL3:   DJNZ R7, DEL3
0065 DEFA             37             DJNZ R6, DEL2
0067 DDF6             38             DJNZ R5, DEL1
0069 22               39             RET
                      40             END
A51 MACRO ASSEMBLER  LED2                                                                 10/28/2009 23:13:00 PAGE     2

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


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

DEL. . . . . . . .  C ADDR   005DH   A   
DEL1 . . . . . . .  C ADDR   005FH   A   
DEL2 . . . . . . .  C ADDR   0061H   A   
DEL3 . . . . . . .  C ADDR   0063H   A   
MAIN . . . . . . .  C ADDR   0030H   A   
P2 . . . . . . . .  D ADDR   00A0H   A   


REGISTER BANK(S) USED: 0 


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