22.lst

对P1、P2、P3口的输入数据保存

A51 MACRO ASSEMBLER  22                                                                   05/13/2008 14:01:02 PAGE     1


MACRO ASSEMBLER A51 V7.07
OBJECT MODULE PLACED IN 22.OBJ
ASSEMBLER INVOKED BY: d:\Keil\C51\BIN\A51.EXE 22.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

  00A3                 1     CS1 EQU P2.3
  00A4                 2     CS2 EQU P2.4
  00A0                 3     DI EQU P2.0
  00A1                 4     RW EQU P2.1
  00A2                 5     E       EQU     P2.2
  0020                 6     X       EQU     20H
  0021                 7     Y       EQU     21H
  0022                 8     ZC      EQU     22H
  007F                 9     LFT     EQU     7FH
0030                  10              ORG     30H
                      11            
0030 20A603           12     AA: JB P2.6,ZD0
0033 20A717           13             JB P2.7,ZD1
0036 7963             14     ZD0:    MOV R1,#63H
0038 7831             15             MOV    R0,#31H     ;存放计时数据的首地址
003A 85FF90           16             MOV    P1,0FFH
003D E590             17             MOV    A,P1        ;欢练值氖