18.lst

刚学时编的小程序

A51 MACRO ASSEMBLER  18                                                                   04/23/2007 12:52:54 PAGE     1


MACRO ASSEMBLER A51 V8.00
OBJECT MODULE PLACED IN 18.OBJ
ASSEMBLER INVOKED BY: d:\Keil 8\C51\BIN\A51.EXE 18.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

0000                   1             ORG 0000H
0000 0130              2             AJMP MAIN
0003                   3             ORG 0003H
0003 0142              4             AJMP INT00
0030                   5             ORG 0030H
                       6     
0030 75A881            7     MAIN:MOV IE,#81H
0033 758801            8             MOV TCON,#01H
0036 758160            9             MOV SP,#60H
0039 74FE             10             MOV A,#0FEH
                      11     
003B 03               12     LIAN:RR A
003C F590             13             MOV P1,A
003E 115F             14             ACALL DELAY
0040 013B             15             AJMP LIAN
                      16     
                      17     
0042 C0D0             18     INT00:PUSH PSW
0044 C0E0             19             PUSH ACC
0046 D2D3             20             SETB RS0
0048 D2D4             21             SETB RS1
004A 7809             22             MOV R0,#09H
004C 7400             23     MIE:MOV A,#00H
004E F590             24             MOV P1,A
0050 115F             25             ACALL DELAY
0052 74FF             26             MOV A,#0FFH
0054 F590             27             MOV P1,A
0056 115F             28             ACALL DELAY
0058 D8F2             29             DJNZ R0,MIE
005A D0E0             30             POP ACC
005C D0D0             31             POP PSW
005E 32               32             RETI
                      33     
005F 7A20             34     DELAY:MOV R2,#20H
0061 7B50             35     ASD:MOV R3,#50H
0063 7C50             36     AED:MOV R4,#50H
0065 DCFE             37             DJNZ R4,$
0067 DBFA             38             DJNZ R3,AED
0069 DAF6             39             DJNZ R2,ASD
006B 22               40             RET
                      41     
                      42             END
A51 MACRO ASSEMBLER  18                                                                   04/23/2007 12:52:54 PAGE     2

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


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

ACC. . . . . . . .  D ADDR   00E0H   A   
AED. . . . . . . .  C ADDR   0063H   A   
ASD. . . . . . . .  C ADDR   0061H   A   
DELAY. . . . . . .  C ADDR   005FH   A   
IE . . . . . . . .  D ADDR   00A8H   A   
INT00. . . . . . .  C ADDR   0042H   A   
LIAN . . . . . . .  C ADDR   003BH   A   
MAIN . . . . . . .  C ADDR   0030H   A   
MIE. . . . . . . .  C ADDR   004CH   A   
P1 . . . . . . . .  D ADDR   0090H   A   
PSW. . . . . . . .  D ADDR   00D0H   A   
RS0. . . . . . . .  B ADDR   00D0H.3 A   
RS1. . . . . . . .  B ADDR   00D0H.4 A   
SP . . . . . . . .  D ADDR   0081H   A   
TCON . . . . . . .  D ADDR   0088H   A   


REGISTER BANK(S) USED: 0 


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