频率计.lst

产生各种各样的频率

A51 MACRO ASSEMBLER  芲率计                                                               10/19/2008 20:07:59 PAGE     1


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

LOC  OBJ            LINE     SOURCE

  0020                 1                VALUEH       EQU     20H                     ;暂存TH1的值
  0021                 2            VALUEL   EQU     21H                     ;暂存TL1的值
  0022                 3            DATE0    EQU     22H         ;暂存计手档腂CD码
  0023                 4            DATE1    EQU     23H
  0024                 5            DATE2    EQU     24H
  0025                 6            DATE3    EQU     25H
  0026                 7            DATE4    EQU     26H
  0027                 8                DATE5    EQU 27H
  0028                 9                DATE6    EQU 28H
  0030                10            COUNT    EQU 30H
  00A0                11                RS       EQU  P2.0
  00A1                12            RW       EQU  P2.1
  00B7                13            E        EQU  P3.7
                      14     ;-----------------------------------------------------------------------------
0000                  15                     ORG    0000H
0000 801C             16                     SJMP   MAIN
000B                  17                 ORG    000BH          
000B 02005D           18                     LJMP   INT_T0
001B                  19                     ORG        001BH
001B 020067           20                     LJMP   INT_T1      
                      21     
001E                  22     MAIN:   
001E 758160           23             MOV SP,#60h
0021 752000           24                     MOV     20H,#00H                ;存储空间初始化
0024 752100           25                     MOV     21H,#00H
0027 752200           26                     MOV     22H,#00h
002A 752300           27                     MOV     23H,#00H
002D 752400           28                     MOV     24H,#00H
0030 752500           29                     MOV     25H,#00H
0033 752600           30                     MOV     26H,#00H
0036 752700           31                     MOV     27H,#00H
0039 75280A           32                     MOV 28H,#0AH
003C 75290B           33                     MOV 29H,#0BH
003F 753000           34                     MOV     30H,#00H
                      35     
0042 758915           36             MOV TMOD,#15H   ;定时器1工作在定时方式
                      37                                                     ;定时器0工作在计史绞