1.lst

S2为功能键、S3为方式选择键 P1口为字符输出口,采用共阳显示管 P3.2~P3.5为位选,P1.7为报警发音,P3.7为被控继电器

A51 MACRO ASSEMBLER  1                                                                    01/03/2009 00:05:45 PAGE     1


MACRO ASSEMBLER A51 V7.10
OBJECT MODULE PLACED IN 1.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE 1.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

                       1     ;P1.0-P1.7为八路抢答输入 事牍芏窝