clock.lst

单片机的实用程序代码

A51 MACRO ASSEMBLER  CLOCK                                                                04/13/2010 23:04:56 PAGE     1


MACRO ASSEMBLER A51 V7.10
OBJECT MODULE PLACED IN Clock.OBJ
ASSEMBLER INVOKED BY: D:\Program Files\KEIL\C51\BIN\A51.EXE Clock.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

0000                   1     org 0000h
0000 0120              2           ajmp main
                       3          
000B                   4           org 000bh      ;T0溢出中断入口地址·
000B 014F              5           ajmp time0
                       6            
0020                   7           org 0020h
0020 C295              8     main:  clr p1.5  
0022 79FF              9           mov r1,#0ffh 
0024 7A00             10           mov r2,#00h     ;给计势鱮2赋初值0
                      11      
0026 758170           12           mov sp,#70h     ;设置堆栈
0029 758901           13           mov tmod,#01h   ;设置T0工作方式
002C 758C3C           14           mov th0,#3ch     ;T0置计食踔