16.lst

刚学时编的小程序

A51 MACRO ASSEMBLER  16                                                                   04/22/2007 20:57:24 PAGE     1


MACRO ASSEMBLER A51 V8.00
OBJECT MODULE PLACED IN 16.OBJ
ASSEMBLER INVOKED BY: d:\Keil 8\C51\BIN\A51.EXE 16.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

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0000                  38                     ORG 0000H
0000 020003           39                     LJMP MAIN
0003 758160           40     MAIN:   MOV SP,#60H
0006 74FE             41     L1:             MOV A,#0FEH
0008 7F08             42                     MOV R7,#08H
                      43     
000A F590             44     L2:             MOV P1,A
000C 23               45                     RL A
000D 120015           46                     LCALL DELAY
0010 DFF8             47                     DJNZ R7,L2
0012 020006           48                     LJMP L1
                      49     
0015 7C08             50     DELAY:  MOV R4,#08H
0017 12001D           51     DE2:    LCALL DELAY1
001A DCFB             52                     DJNZ R4,DE2
001C 22               53                     RET
001D 7E00             54     DELAY1: MOV R6,#0
001F 7D00             55                     MOV R5,#0
0021 DDFE             56     DE1:    DJNZ R5,$
0023 DEFC             57                     DJNZ R6,DE1
0025 22               58                     RET
A51 MACRO ASSEMBLER  16                                                                   04/22/2007 20:57:24 PAGE     2

                      59                     END
A51 MACRO ASSEMBLER  16                                                                   04/22/2007 20:57:24 PAGE     3

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


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

DE1. . . . . . . .  C ADDR   0021H   A   
DE2. . . . . . . .  C ADDR   0017H   A   
DELAY. . . . . . .  C ADDR   0015H   A   
DELAY1 . . . . . .  C ADDR   001DH   A   
L1 . . . . . . . .  C ADDR   0006H   A   
L2 . . . . . . . .  C ADDR   000AH   A   
MAIN . . . . . . .  C ADDR   0003H   A   
P1 . . . . . . . .  D ADDR   0090H   A   
SP . . . . . . . .  D ADDR   0081H   A   


REGISTER BANK(S) USED: 0 


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