p7_1.lst

单片机原理与应用实例教程 单片机原理与应用实例教程

A51 MACRO ASSEMBLER  P7_1                                                                 07/23/2007 10:11:52 PAGE     1


MACRO ASSEMBLER A51 V8.00d
OBJECT MODULE PLACED IN P7_1.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE P7_1.ASM SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

0000                   1                     ORG             0000H
0000 024100            2                     LJMP    MAIN
4100                   3                     ORG             4100H
4100 74FE              4     MAIN:   MOV A, #0FEH                    ;左边第一个开始显示
4102 F590              5     LOOP:   MOV P1, A
4104 23                6             RL A                                    ;左移
4105 3111              7             ACALL DELAY
4107 3111              8                     ACALL DELAY
4109 3111              9                     ACALL DELAY
410B 3111             10                     ACALL DELAY
410D 3111             11                     ACALL DELAY
410F 2102             12             AJMP LOOP
                      13     
4111 7F82             14     DELAY:  MOV R7,#82H             ;延迟程序
4113 7EFF             15     DL1:    MOV R6,#0FFH
4115 00               16     DL2:    NOP
4116 DEFD             17                     DJNZ R6,DL2
4118 DFF9             18                     DJNZ R7,DL1
411A 22               19                     RET
                      20                     
                      21                     END 
A51 MACRO ASSEMBLER  P7_1                                                                 07/23/2007 10:11:52 PAGE     2

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


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

DELAY. . . . . . .  C ADDR   4111H   A   
DL1. . . . . . . .  C ADDR   4113H   A   
DL2. . . . . . . .  C ADDR   4115H   A   
LOOP . . . . . . .  C ADDR   4102H   A   
MAIN . . . . . . .  C ADDR   4100H   A   
P1 . . . . . . . .  D ADDR   0090H   A   


REGISTER BANK(S) USED: 0 


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