led.lst

在51单片机上实现多功能计算器功能

A51 MACRO ASSEMBLER  LED                                                                  10/23/2007 14:37:44 PAGE     1


MACRO ASSEMBLER A51 V7.10
OBJECT MODULE PLACED IN led.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE led.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

                       1     NAME    LED
                       2     
                       3     LED SEGMENT CODE
----                   4     RSEG LED
                       5             PUBLIC _Refresh
                       6     
0000                   7     _Refresh:
0000 75A008            8             MOV P2,#08H
0003 7580FF            9             MOV P0,#0FFH
0006 75A080           10             MOV P2,#80H
0009 7580FF           11             MOV P0,#0FFH
000C 75A004           12             MOV P2,#04H
000F 7580FF           13             MOV P0,#0FFH
0012 75A040           14             MOV P2,#40H
0015 7580FF           15             MOV P0,#0FFH
0018 75A002           16             MOV P2,#02H
001B 7580FF           17             MOV P0,#0FFH
001E 75A020           18             MOV P2,#20H
0021 7580FF           19             MOV P0,#0FFH
0024 75A001           20             MOV P2,#01H
0027 7580FF           21             MOV P0,#0FFH
002A 75A010           22             MOV P2,#10H
002D 7580FF           23             MOV P0,#0FFH
                      24     
0030 E9               25             MOV A,R1
0031 F8               26             MOV R0,A
0032 E6               27             MOV A,@R0
0033 75A080           28             MOV P2,#80H
0036 F580             29             MOV P0,A
                      30     
0038 08               31             INC R0
0039 E6               32             MOV A,@R0
003A 75A040           33             MOV P2,#40H
003D F580             34             MOV P0,A
                      35     
003F 08               36             INC R0
0040 E6               37             MOV A,@R0
0041 75A020           38             MOV P2,#20H
0044 F580             39             MOV P0,A
                      40     
0046 08               41             INC R0
0047 E6               42             MOV A,@R0
0048 75A010           43             MOV P2,#10H
004B F580             44             MOV P0,A
                      45     
004D 08               46             INC R0
004E E6               47             MOV A,@R0
004F 75A008           48             MOV P2,#08H
0052 F580             49             MOV P0,A
                      50     
0054 08               51             INC R0
0055 E6               52             MOV A,@R0
0056 75A004           53             MOV P2,#04H
0059 F580             54             MOV P0,A
                      55     
005B 08               56             INC R0
005C E6               57             MOV A,@R0
005D 75A002           58             MOV P2,#02H
A51 MACRO ASSEMBLER  LED                                                                  10/23/2007 14:37:44 PAGE     2

0060 F580             59             MOV P0,A
                      60     
0062 08               61             INC R0
0063 E6               62             MOV A,@R0
                      63     
0064 75A001           64             MOV P2,#01H
0067 F580             65             MOV P0,A
                      66     
0069 22               67             RET
                      68             END
A51 MACRO ASSEMBLER  LED                                                                  10/23/2007 14:37:44 PAGE     3

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


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

LED. . . . . . . .  C SEG    006AH       REL=UNIT
P0 . . . . . . . .  D ADDR   0080H   A   
P2 . . . . . . . .  D ADDR   00A0H   A   
_REFRESH . . . . .  C ADDR   0000H   R   SEG=LED


REGISTER BANK(S) USED: 0 


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