port1 (2).lst

Proteus在MCS-51％26ARM7系统中的应用百例 Proteus在MCS-51％26ARM7系统中的应用百例

A51 MACRO ASSEMBLER  PORT1__2_                                                            07/23/2006 14:40:22 PAGE     1


MACRO ASSEMBLER A51 V8.00
OBJECT MODULE PLACED IN Port1 (2).OBJ
ASSEMBLER INVOKED BY: E:\Keil\C51\BIN\A51.EXE Port1 (2).asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

  0090                 1     KEYLEFT         BIT   P1.0                    
  0091                 2     KEYRIGHT        BIT   P1.1
  0092                 3     LEDLEFT         BIT   P1.2
  0093                 4     LEDRIGHT        BIT   P1.3              ;位定义
0000                   5             ORG    00H
0000 D290              6             SETB   KEYLEFT                          
0002 D291              7             SETB   KEYRIGHT         ;欲读数,先写1
0004 A290              8     LOOP:   MOV    C,KEYLEFT
0006 9292              9             MOV    LEDLEFT,C
0008 A291             10             MOV    C,KEYRIGHT
000A 9293             11             MOV    LEDRIGHT,C
000C 020004           12             LJMP   LOOP
                      13             END
A51 MACRO ASSEMBLER  PORT1__2_                                                            07/23/2006 14:40:22 PAGE     2

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


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

KEYLEFT. . . . . .  B ADDR   0090H.0 A   
KEYRIGHT . . . . .  B ADDR   0090H.1 A   
LEDLEFT. . . . . .  B ADDR   0090H.2 A   
LEDRIGHT . . . . .  B ADDR   0090H.3 A   
LOOP . . . . . . .  C ADDR   0004H   A   
P1 . . . . . . . .  D ADDR   0090H   A   


REGISTER BANK(S) USED: 0 


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