pinlvji.lst

基于51单片机的频率计设计

A51 MACRO ASSEMBLER  PINLVJI                                                              07/11/2008 22:33:32 PAGE     1


MACRO ASSEMBLER A51 V7.10
OBJECT MODULE PLACED IN pinlvji.OBJ
ASSEMBLER INVOKED BY: E:\ITwork\c51simtools\C-51KEIL软件调试编译仿真\keilanzhuang\C51\BIN\A51.EXE pinlvji.asm SET(SMALL)
                       DEBUG EP

LOC  OBJ            LINE     SOURCE

  0040                 1     DisplayBuffer   EQU  40H   ;设置显示缓冲区的地址为40h-45h共6个字节
  0021                 2     Disp1  EQU  21H
  0022                 3     Disp2  EQU  22H
  0023                 4     Disp3  EQU  23H
                       5     
0000                   6            ORG 0000H
0000 2100              7            AJMP START
000B                   8            ORG 000BH       ;T0中断入口
000B 211F              9            AJMP T0INT
0013                  10            ORG 0013H       ;INT1中断入口
0013 2135             11            AJMP INT_1
0100                  12            ORG 0100H
0100                  13     START:
0100 758170           14            MOV SP,#70H
0103 75A886           15            MOV IE,#86H     ;开放T0、INT1中断
0106 758901           16            MOV TMOD,#01H ;T0定时
0109 758CD8           17            MOV TH0,#0D8H
010C 758AF0           18            MOV TL0,#0F0H    ;定时10ms
010F 752064           19            MOV 20H,#100    ;100*10ms=1s
0112 752100           20            MOV Disp1,#0
0115 752200           21            MOV Disp2,#0
0118 752300           22            MOV Disp3,#0;存放采集到的频率
011B D28C             23            SETB TR0
011D 211D             24     WAIT:  AJMP WAIT ;等粗卸