ex2.lst

ID-15 读卡器的读写资料,很古老,但很实用

A51 MACRO ASSEMBLER  EX2                                                                  01/31/2005 08:52:42 PAGE     1


MACRO ASSEMBLER A51 V7.09
OBJECT MODULE PLACED IN ex2.OBJ
ASSEMBLER INVOKED BY: D:\Keil\C51\BIN\A51.EXE ex2.a51 SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

8000                   1     ORG     8000H
8000 0280F0            2     LJMP    Main
80F0                   3     ORG     80F0H
80F0                   4     Main: 
80F0 7F00              5     MOV     R7, #0 
80F2                   6     Loop: 
80F2 7E00              7     MOV     R6, #0
80F4 DEFE              8     DJNZ    R6, $
80F6 DEFE              9     DJNZ    R6, $
80F8 DEFE             10     DJNZ    R6, $
80FA DEFE             11     DJNZ    R6, $
80FC DFF4             12     DJNZ    R7, Loop
                      13     
80FE B290             14     CPL             P1.0    ; P 1 .0 取反
8100 B291             15     CPL             P1.1    ; P 1 .1 取反
8102 B292             16     CPL             P1.2    ; P 1 .2 取反
8104 B293             17     CPL             P1.3    ; P 1 .3 取反
8106 B294             18     CPL             P1.4    ; P 1 .4 取反
8108 B295             19     CPL             P1.5    ; P 1 .5 取反
810A B296             20     CPL             P1.6    ; P 1 .6 取反
810C B297             21     CPL             P1.7    ; P 1 .7 取反
810E 80E0             22     SJMP    Main
                      23     END
A51 MACRO ASSEMBLER  EX2                                                                  01/31/2005 08:52:42 PAGE     2

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


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

LOOP . . . . . . .  C ADDR   80F2H   A   
MAIN . . . . . . .  C ADDR   80F0H   A   
P1 . . . . . . . .  D ADDR   0090H   A   


REGISTER BANK(S) USED: 0 


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