cx02.lst

51单片机开发入门与典型实例

A51 MACRO ASSEMBLER  CX02                                                                 01/07/2007 17:23:36 PAGE     1


MACRO ASSEMBLER A51 V7.07
OBJECT MODULE PLACED IN CX02.OBJ
ASSEMBLER INVOKED BY: C:\KEIL7.06\C51\BIN\A51.EXE CX02.ASM SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

                       1     ;文件名：CX02.ASM
                       2     ;程序功能：扩展8个输入端口      
0000 759810            3      START: MOV   SCON, #00010000B
0003 C2B2              4            CLR   P3.2
0005 120015            5            LCALL DELAY
0008 D2B2              6            SETB  P3.2
000A C298              7            CLR   RI   
000C 3098FD            8            JNB   RI, $
000F E599              9            MOV   A,  SBUF
0011 F590             10            MOV   P1,A
0013 80EB             11            JMP   START
                      12     
0015 7F02             13      DELAY:MOV   R7, #02
0017 DFFE             14            DJNZ  R7,$
0019 22               15            RET
                      16            END
                              
                                      
                             
A51 MACRO ASSEMBLER  CX02                                                                 01/07/2007 17:23:36 PAGE     2

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


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

DELAY. . . . . . .  C ADDR   0015H   A   
P1 . . . . . . . .  D ADDR   0090H   A   
P3 . . . . . . . .  D ADDR   00B0H   A   
RI . . . . . . . .  B ADDR   0098H.0 A   
SBUF . . . . . . .  D ADDR   0099H   A   
SCON . . . . . . .  D ADDR   0098H   A   
START. . . . . . .  C ADDR   0000H   A   


REGISTER BANK(S) USED: 0 


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