yy1.lst

用单片机进行定时交通信号灯控制

A51 MACRO ASSEMBLER  YY1                                                                  04/15/2007 18:18:43 PAGE     1


MACRO ASSEMBLER A51 V6.12
OBJECT MODULE PLACED IN yy1.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE yy1.a51 SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

0000                   1               ORG 00H
0000 012A              2             AJMP MAIN
  002A                 3                A1 EQU 2AH
  002B                 4                A2 EQU 2BH
  002C                 5                F  EQU 2CH
002A                   6                ORG 2AH
002A 752A1F            7     MAIN:MOV A1,#1FH                   ;设置时间显示初值              
002D 752BF3            8          MOV A2,#0F3H          ;A线放行，B线禁止
0030 852BB0            9              MOV P3,A2
0033 7F19             10              MOV R7,#19H                ;延时秒