mm.lst

用单片机实现两个数码管全双工通信,经过功能验证.

A51 MACRO ASSEMBLER  MM                                                                   11/28/2007 20:19:53 PAGE     1


MACRO ASSEMBLER A51 V6.23
OBJECT MODULE PLACED IN mm.OBJ
ASSEMBLER INVOKED BY: C:\Keil(单片机编程)\Keil\C51\BIN\A51.EXE mm.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

                       1     
                       2     
                       3     
                       4     
                       5                                             
0000                   6                                             ORG 0000H
0000 0125              7                                             AJMP MAIN
0023                   8                                             ORG 0023H
0023 015B              9                                             AJMP ESINTER
                      10     
0025 758160           11                                     MAIN:   MOV SP,#60H
0028 7800             12                                             MOV R0,#00H             ;作为各十位切换显示
002A 7D00             13                                             MOV R5,#0
002C 752209           14                                             MOV 22H,#9              ;按键按一次从9加起
002F 75230A           15                                             MOV 23H,#10             ;在接收程序里用作和按键值作
                             比较,从而判断接收到的值是按键值还是显示值
0032 753000           16                                             MOV 30H,#0              
0035 753100           17                                             MOV 31H,#0              ;发送显存初始化
0038 754000           18                                             MOV 40H,#0
003B 754100           19                                             MOV 41H,#0              ;本机事牍芟源娉跏蓟