自己写了一个时钟程序,用来模拟时间类型软件的破解,先从基础的运行时间开始,程序运行界面如图:十秒后程序自动退出
十秒后程序自动退出
破解思路:查看程序导入表函数(有N多个程序可以查看,以PETOOLS为例),如图所示:输入表目录
只找到一个和时间有关的函数GetSystemTimeAsFileTime。我们可以通过od自带的api断点,去断下GetSystemTimeAsFileTime这个函数,
Enter进入,在系统领空下段,运行程序,会断在这个函数的系统领空,之后ctrl+F9执行到返回到,call GetSystemTimeAsFileTime的调用,再ctrl+F9执行到返回,来到如下关键代码处:
可见通过上面call函数clock的调用,返回值去和10比较,来判断程序运行的时间,修改跳转或者修改A的值即可实现破解。
Clock类
class Clock
{
int hour;
int minute;
int seconde;
Clock()
{
hour = 0;
minute = 0;
seconde = 0;
}
~Clock()
{
cout<<"调用析构函数成功"<<endl;
}
public void setH(int h)
{
hour = h;
}
public void setM(int m)
{
minute = m;
}
public void setS(int s)
{
second = s;
}
public void display()
{
String hh = "";
String mm = "";
String ss = "";
if(hour<10)hh = "0"+hour;
else hh = ""+hour;
if(minute<10)mm = "0"+minute;
else mm = ""+minute;
if(seconde<10)ss = "0"+seconde;
else ss = ""+second;
cout<<hh<<":"<<mm<<":"<<ss<<endl;
}
}
Main类
#include<iostream>
using namespace std;
int main()
{
Clock clock = new Clock();
clocksetH(5);
clockdisplay();
}
label字体什么的自己改吧,主要功能实现了
private
sub
form_load()
timer1enabled
=
true
timer1interval
=
1000
timer2enabled
=
false
timer2interval
=
500
end
sub
private
sub
timer1_timer()
label1caption
=
time
end
sub
private
sub
text1_keydown(keycode
as
integer,
shift
as
integer)
if
keycode
=
13
then
if
not
isdate(text1text)
then
msgbox
"时间格式错误,正确应为hh:mm:ss"
else
text1locked
=
true
timer2enabled
=
true
end
if
end
if
end
sub
private
sub
timer2_timer()
dim
ltime
as
integer
static
lblcolor
as
boolean
ltime
=
datediff("s",
time,
text1text)
if
ltime
<=
0
then
if
lblcolor
=
true
then
label1backcolor
=
vbred
lblcolor
=
false
else
label1backcolor
=
vbwhite
lblcolor
=
true
end
if
end
if
end
sub
1、首先在Expression Blend中画出时钟的样式;
2、建立时钟的程序辅助类;
3、将此时钟样式需要动态换掉的部分改成相应的绑定值。
由于具体步骤很多,这里只说说技术难点和要点,着重说明上述第2点部分。
// 时钟控件类:Clockcs
using System;
using SystemWindows;
using SystemWindowsControls;
using SystemWindowsControlsPrimitives;
using SystemWindowsData;
using SystemWindowsDocuments;
using SystemWindowsMedia;
using SystemWindowsMediaImaging;
using SystemWindowsShapes;
using SystemTimers;
using SystemWindowsThreading;
namespace BrawDrawComWPFClockControlLibrary
{
/// <summary>Clock Control
/// </summary>
public class Clock : Control
{
private DispatcherTimer timer;
static Clock()
{
DefaultStyleKeyPropertyOverrideMetadata(typeof(Clock),
new FrameworkPropertyMetadata(typeof(Clock)));
}
protected override void OnInitialized(EventArgs e)
{
baseOnInitialized(e);
timer = new DispatcherTimer();
timerTick += new EventHandler(Timer_Tick);
timerStart();
}
private void Timer_Tick(object sender, EventArgs e)
{
UpdateDateTime();
timerInterval = TimeSpanFromMilliseconds(1000 -
DateTimeNowMillisecond);
}
private void UpdateDateTime()
{
thisDateTime = SystemDateTimeNow;
}
#region DateTime property
public DateTime DateTime
{
get
{
return (DateTime)GetValue(DateTimeProperty);
}
private set
{
SetValue(DateTimeProperty, value);
}
}
public static DependencyProperty DateTimeProperty =
DependencyPropertyRegister(
"DateTime",
typeof(DateTime),
typeof(Clock),
new PropertyMetadata(DateTimeNow,
new PropertyChangedCallback(OnDateTimeInvalidated)));
public static readonly RoutedEvent DateTimeChangedEvent =
EventManagerRegisterRoutedEvent("DateTimeChanged",
RoutingStrategyBubble, typeof(RoutedPropertyChangedEventHandler<DateTime>),
typeof(Clock));
protected virtual void OnDateTimeChanged(DateTime oldValue,
DateTime newValue)
{
RoutedPropertyChangedEventArgs<DateTime> args =
new RoutedPropertyChangedEventArgs<DateTime>(oldValue, newValue);
argsRoutedEvent = ClockDateTimeChangedEvent;
RaiseEvent(args);
}
private static void OnDateTimeInvalidated(DependencyObject d,
DependencyPropertyChangedEventArgs e)
{
Clock clock = (Clock)d;
DateTime oldValue = (DateTime)eOldValue;
DateTime newValue = (DateTime)eNewValue;
clockOnDateTimeChanged(oldValue, newValue);
}
#endregion
}
}
// 时钟内部时针、分针、秒针角度计算及星期显示的类: ClockConverterscs
// 由于WPF中旋转角度是以度单位,计算为绕一个圆周时,为360度。所以,计算时以360度来计算。
using System;
using SystemGlobalization;
using SystemWindowsData;
namespace BrawDrawComWPFClock
{
// 一分钟60秒,一周为360度,所以,一秒钟就占6度,所以是:秒数×6。
[ValueConversion(typeof(DateTime), typeof(int))]
public class SecondsConverter : IValueConverter
{
public object Convert(object value, Type targetType, object parameter,
CultureInfo culture)
{
DateTime date = (DateTime)value;
return dateSecond 6;
}
public object ConvertBack(object value, Type targetType, object parameter,
CultureInfo culture)
{
return null;
}
}
// 一小时是60分钟,一周为360度,所以,一分钟就占6度,所以是:分钟数×6。
[ValueConversion(typeof(DateTime), typeof(int))]
public class MinutesConverter : IValueConverter
{
public object Convert(object value, Type targetType,
object parameter, CultureInfo culture)
{
DateTime date = (DateTime)value;
return dateMinute 6;
}
public object ConvertBack(object value, Type targetType,
object parameter, CultureInfo culture)
{
return null;
}
}
// 时钟上显示12小时,一周为360度,这样,每小时占30度,考虑分钟所占角度是分钟数/2,
所以结果是:小时数×30 + 分钟数/2。
[ValueConversion(typeof(DateTime), typeof(int))]
public class HoursConverter : IValueConverter
{
public object Convert(object value, Type targetType,
object parameter, CultureInfo culture)
{
DateTime date = (DateTime)value;
return (dateHour 30) + (dateMinute / 2);
}
public object ConvertBack(object value, Type targetType,
object parameter, CultureInfo culture)
{
return null;
}
}
[ValueConversion(typeof(DateTime), typeof(string))]
public class WeekdayConverter : IValueConverter
{
public object Convert(object value, Type targetType,
object parameter, CultureInfo culture)
{
DateTime date = (DateTime)value;
return dateDayOfWeekToString()Substring(0,3);
}
public object ConvertBack(object value, Type targetType,
object parameter, CultureInfo culture)
{
return null;
}
}
}
给你个时钟电路的汇编程序吧:
muteM EQU 10h ;静音键 闹铃开/关
timerT EQU 0Ch ;菜单键 进入/退出设置状态
leftL EQU 46h ;左移键
rightR EQU 47h ;右移键
upU EQU 19h ;增加键
downD EQU 1dh ;减少键
d_off EQU 16H ;显示键 LED数码管显示/关闭
recall EQU 44H ;日历键 DS1302初始化 *** 作
K_on BIT P30 ;闹铃输出
LED1 BIT P33
LED2 BIT P34
LED3CLK BIT P35 ;DS1302
LED4IO BIT P37
RST BIT P31
SECOND EQU 60H
;60H 秒
;61h 分
;62h 时
;63h 日
;64h 月 ;65h DAY
;66h 年
;6Ah 闹分 from 00(1302)
;6BH 闹时 from 01(1302)
;
ORG 0000H
AJMP START
ORG 0003H
LJMP S_INT ;IRF
ORG 000BH ;200Us
LJMP P_INT ;
ORG 001BH ;display LED
LJMP DISPLAY
; ;main program
ORG 0030H
START: CLR RST
MOV SP,#2AH
SETB 05H
CLR 06H
SETB 07H;CLR 07H
CLR 08H
CLR 09H
CLR 0AH
CLR 0BH
CLR 0CH
SETB 0DH
CLR 0EH
CLR 0FH
CLR 10H
CLR 11H
MOV R2,#00H ;
MOV R3,#00H ;
MOV TMOD,#12H
MOV TL1,#0e5H ;wait
MOV TH1,#0BeH
MOV TH0,#3FH ;200uS 3f
MOV TL0,#3FH
SETB ET0
SETB ET1
setb pt0
SETB TR0
SETB TR1
SETB IT0 ;
SETB EX0 ;
CLR PX0 ;LCALL SET1302 ;初始化
MOV R1,#0C1H ;取定时参数从1302中
acall T_6061
MOV 6AH,A ;M
MOV R1,#0C3H
ACALL T_6061
MOV 6BH,A ;H
MOV 61H,#0
MOV 62H,#0
SETB EA
sjmp $
;
DISPLAY: PUSH ACC
PUSH PSW
MOV TL1,#0e0H ;wait how long to display (20ms)
MOV TH1,#0b0H
MOV dptr,#tab1
JB 0EH,DIS2
JB 0FH,DIS3
JB 10H,DIS4
JB 11H,DIS5
JNB 0DH,D_OUT
JNB 08H,D_GO ;定时到时,显示闪烁
JNB 07H,D_OUT
D_G MOV DPTR,#TAB1
MOV A,62H
ANL A,#0FH
MOV B,A
MOV A,62H
SWAP A
ANL A,#07H
MOVC A,@A+DPTR
MOV P1,A
CLR LED1
LCALL DL2M
SETB LED1
MOV A,B
MOVC A,@A+DPTR
MOV C,07H
MOV acc7,C ;秒灯闪烁
MOV P1,A
CLR LED2
LCALL DL2M
SETB LED2
MOV dptr,#tab2 ;倒装LED字段表
MOV A,61H
ANL A,#0FH
MOV B,A
MOV A,61H
SWAP A
ANL A,#0FH
MOVC A,@A+DPTR
MOV C,07H
MOV acc6,C ;秒灯闪烁
MOV P1,A
CLR LED3CLK
LCALL DL2M
SETB LED3CLK
MOV dptr,#tab1
MOV A,B
MOVC A,@A+DPTR
MOV C,06H
cpl c
MOV acc7,C ;闹铃指示灯
MOV P1,A
CLR LED4IO
LCALL DL2M
SETB LED4IO
D_OUT: SETB TR1
POP PSW
POP ACC
RETI
;
DIS2: AJMP DIS_2
DIS3: AJMP DIS_3
DIS4: AJMP DIS_4
DIS5: AJMP DIS_5
;
DIS_2: MOV dptr,#tab1 ;显示设置小时
MOV 6FH,62H
ACALL BCD_HEX
MOV B,#10
DIV AB
MOVC A,@A+DPTR
MOV P1,A
CLR LED1
LCALL DL2M
SETB LED1
MOV A,B
MOVC A,@A+DPTR
MOV P1,A
CLR LED2
LCALL DL2M
SETB LED2
SETB TR1
POP PSW
POP ACC
RETI
;
DIS_3: MOV DPTR,#TAB2 ;显示设置分
MOV 6FH,61H
ACALL BCD_HEX
MOV B,#10
DIV AB
MOVC A,@A+DPTR
MOV P1,A
CLR LED3CLK
LCALL DL2M
SETB LED3CLK
MOV A,B
MOV DPTR,#TAB1
MOVC A,@A+DPTR
MOV P1,A
CLR LED4IO
LCALL DL2M
SETB LED4IO
SETB TR1
POP PSW
POP ACC
RETI
;
DIS_4: MOV dptr,#tab1 ;显示设置闹时
JNB 07H,D4_OUT ;显示时闪烁
MOV A,6BH
MOV B,#0AH
DIV AB
MOVC A,@A+DPTR
MOV P1,A
CLR LED1
LCALL DL2M
SETB LED1
MOV A,B
MOVC A,@A+DPTR
MOV P1,A
CLR LED2
LCALL DL2M
SETB LED2
D4_OUT: SETB TR1
POP PSW
POP ACC
RETI
;
DIS_5: MOV DPTR,#TAB2
JNB 07H,D5_OUT ;显示时闪烁
MOV A,6AH ;显示设置闹分
MOV B,#0AH
DIV AB
MOVC A,@A+DPTR
MOV P1,A
CLR LED3CLK
LCALL DL2M
SETB LED3CLK
MOV DPTR,#TAB1
MOV A,B
MOVC A,@A+DPTR
MOV P1,A
CLR LED4IO
LCALL DL2M
SETB LED4IO
D5_OUT: SETB TR1
POP PSW
POP ACC
RETI
;
DL2M: MOV 43H,#14H ; every LED(2ms)
DL2: MOV 44H,#14H
DL1: NOP
NOP
DJNZ 44H,DL1
DJNZ 43H,DL2
RET
;定时读取1302时间及判断闹铃时间是否到
P_INT: PUSH ACC
PUSH PSW
INC R2
CJNE R2,#250D,P_OUT
MOV R2,#00H
INC R3
CJNE R3,#10D,P_OUT
MOV R3,#00H
CPL 07H
MOV P1,#0FFH
ACALL R_1302
OUT: JNB 06H,P_OUT
MOV A,6BH
MOV B,#10
DIV AB
SWAP A
ADD A,B
CJNE A,62H,PP_OUT
MOV A,6AH
MOV B,#10
DIV AB
SWAP A
ADD A,B
CJNE A,61H,PP_OUT
SETB 08H ;定时到标志
MOV C,07H
cpl c
MOV K_ON,C
P_OUT: POP PSW
POP ACC
RETI
PP_OUT: SETB K_ON
CLR 08H
POP PSW
POP ACC
RETI
;有接收到遥控器信号
S_INT:CLR EA
PUSH ACC
PUSH PSW
PUSH DPH
PUSH DPL
PUSH 02H
PUSH 03H
MOV R6,#10D ;
SB: ACALL YS1
JB P32,EXIT
DJNZ R6, SB
JNB P32, $ ;
ACALL YS2 ;
JB P32,EXIT
MOV R1,#1AH ;
MOV R2,#4D
PP: MOV R3,#8D
JJJJ: JNB P32,$
ACALL YS1
MOV C,P32
JNC UUU
JB P32,$
UUU: MOV A,@R1
RRC A
MOV @R1,A
DJNZ R3,JJJJ
INC R1
DJNZ R2,PP
;-------------------------------------
MOV A,1AH ;
XRL A,#40h ;判断1AH的值是否等于遥控器低8位地址(40h)
JNZ EXIT ;
MOV A,1bH
XRL A,#0bfh ;再判断高8位地址是否正确(0bfh)
JNZ EXIT
MOV A,1CH
CPL A
XRL A,1DH ;将1CH的值取反后和1DH比较 不同则无效丢弃(核对数据是否准确)
JNZ EXIT
ACALL DO ;相应按键的处理
EXIT: SETB EA
POP 03H
POP 02H
POP DPL
POP DPH
POP PSW
POP ACC
RETI
;--------------------delay-----------------------
YS1: MOV 70H,#16D ;延时1
D1: MOV 71H,#21D
DJNZ 71H,$
DJNZ 70H,D1
RET
YS2: MOV 70H,#09D ;延时2
D2: MOV 71H,#220D
DJNZ 71H,$
DJNZ 70H,D2
RET
;---------------------------------------------------------
TAB: DB 00H,01H,02H,03H,04H,05H,06H,07H,08H,09H ;TAB1 LED数码管显示表 TAB遥控器键值表(未用)
;TAB1: DB 3FH,11H,5EH,5BH,71H,6BH,6FH,19H,7FH,7bH,77H,7CH,39H,5EH,79H,71H
tab1: DB 0C0H,0F9H,0a4h,0b0h,99h,92h,82h,0f8h,80h,90h,88h,83h,0a7h,0a1h,86h,8EH
TAB2: DB 0c0H,0f9H,64H,70H,59H,52H,42H ;倒装LED段码表
;0CH 为设置标志,0DH为全显示标志,0EH为显示设置小时标志,0FH为显示设置分标志
;10H 为显示设置闹时标志,11H为显示设置闹分标志
;增加闹时静音功能
;mute-10h,timer-0eh,left-46h,right-47h,up-19h,down-1dh
D MOV A,1CH
CJNE A,#TIMERT,REDO ;代码不是设置/退出键
JNB 0CH,SET1 ;是,则进入
CLR 0CH ;是,已经进入,则退出
SETB 0DH ;恢复正常显示
CLR 0EH
CLR 0FH
CLR 10H
CLR 11H
RET
SET1: SETB 0CH
SETB 0EH
CLR 0DH
CLR 0FH
CLR 10H
CLR 11H
RET
RED CJNE A,#MUTEM,REDO1 ;不是设置键的处理REDO1,2,3,4
LJMP MUTE ;MUTE
REDO1: CJNE A,#D_OFF,DO_SET2
LJMP DIS_OFF ;关闭显示
DO_SET2:JB 0CH,SET2 ;时间设置的处理
RET
SET2: CJNE A,#UPU,SET2A
LJMP INC1 ;+加(^)
SET2A: CJNE A,#DOWND,SET2B
LJMP DEC2 ;- 减
SET2B: CJNE A,#RIGHTR,SET2C
LJMP RIGHT ;RIGHT右移(>)
SET2C: CJNE A,#LEFTL,SET2D LJMP LEFT ;LEFT左移(<)
SET2D: CJNE A,#RECALL,SET2EXT ;DS1302初始化
LJMP SET1302
SET2EXT:RET
;--------------------------------INC------------------------
INC1: JB 0EH,INCH
JB 0FH,INCM
JB 10H,INC_H
JB 11H,INC_M
RET
INC_H: INC 6BH ;闹钟小时增加
MOV A,6BH
CJNE A,#24D,INCH3
MOV 6BH,#0
INCH3: MOV R1,#0C2H
MOV R0,6BH
ACALL SETONE ;写入DS1302
RET
INC_M: INC 6AH ;闹钟分增加
MOV A,6AH
CJNE A,#60D,INCH4
MOV 6AH,#0
INCH4: MOV R1,#0C0H
MOV R0,6AH
ACALL SETONE ;
RET
INCH: ;INC 62H ;
MOV 6FH,62H
ACALL BCD_HEX
INC A
CJNE A,#24D,INCH1
MOV A,#0
INCH1: MOV 6FH,A
ACALL HEX_BCD
MOV 62H,A
MOV R1,#84H
MOV R0,62H
ACALL SETONE ;
RET
INCM: ;INC 61H ;
MOV 6FH,61H
ACALL BCD_HEX
INC A
CJNE A,#60D,INCH2
MOV A,#0
INCH2: MOV 6FH,A
ACALL HEX_BCD
MOV 61H,A
MOV R1,#82H
MOV R0,61H
ACALL SETONE ;
RET
;----------------------------------DEC----------------------
DEC2: JB 0EH,DECH
JB 0FH,DECM
JB 10H,DEC_H
JB 11H,DEC_M
RET
DECH: MOV 6FH,62H
ACALL BCD_HEX
DEC A
CJNE A,#0FFH,DECH1
MOV A,#23
DECH1: MOV 6FH,A
ACALL HEX_BCD
MOV 62H,A
MOV R1,#84H
MOV R0,62H
ACALL SETONE
RET
DECM: MOV 6FH,61H
ACALL BCD_HEX
DEC A
CJNE A,#0FFH,DECM1
MOV A,#59
DECM1: MOV 6FH,A
ACALL HEX_BCD
MOV 61H,A
MOV R1,#82H
MOV R0,61H
ACALL SETONE
RET
DEC_H: DEC 6BH
MOV A,6BH
CJNE A,#0FFH,DECH3
MOV 6BH,#23D
DECH3: MOV R1,#0C2H
MOV R0,6BH
ACALL SETONE
RET
DEC_M: DEC 6AH
MOV A,6AH
CJNE A,#0FFH,DECH4
MOV 6AH,#59D
DECH4: MOV R1,#0C0H
MOV R0,6AH
ACALL SETONE
RET
;--------------------------------RIGHT----------------------
RIGHT: JB 0EH,RIGHT1
JB 0FH,RIGHT2
JB 10H,RIGHT3
JB 11H,RIGHT4
RET ;右移
RIGHT1: CLR 0EH
SETB 0FH
RET
RIGHT2: CLR 0FH
SETB 10H
RET
RIGHT3: CLR 10H
SETB 11H
RET
RIGHT4: CLR 11H
SETB 0EH
RET
;--------------------------------LEFT-----------------------
LEFT: JB 0EH,LEFT1
JB 0FH,LEFT2
JB 10H,LEFT3
JB 11H,LEFT4
RET ;左移
LEFT1: SETB 11H
CLR 0EH
RET
LEFT2: SETB 0EH
CLR 0FH
RET
LEFT3: SETB 0FH
CLR 10H
RET
LEFT4: SETB 10H
CLR 11H
RET
;------------------------------MUTE--------------
MUTE: setb k_ON
CPL 06H ;静音
CLR 08H
RET
;-----------------------------DISPLAY OFF--------
DIS_OFF:CLR ET1
CPL 05H
JNB 05H,REDORE
SETB ET1
REDORE: RET
;------------------------------------初始化1302
SET1302: CLR RST ;2002年1月1日12:00:00
CLR LED3CLK
MOV SECOND,#0
MOV 61H,#0
MOV 62H,#18 ;
MOV 63H,#1
MOV 64H,#1
MOV 65H,#1
MOV 66H,#2
SETB RST
MOV A,#8EH
LCALL R_BIT
MOV A,#00H
LCALL R_BIT
SETB LED3CLK
CLR RST
MOV R0,#SECOND
MOV R7,#7
MOV R1,#80H
SET1302A:CLR RST
CLR LED3CLK
SETB RST
MOV A,R1
LCALL R_BIT
MOV A,@R0
LCALL R_BIT
INC R0
INC R1
INC R1
SETB LED3CLK
CLR RST
DJNZ R7,SET1302A
CLR RST
CLR LED3CLK
sETB LED3CLK
nop
CLR RST
nop
clr led3clk
SETB RST
MOV A,#90H
LCALL R_BIT
MOV A,#10100101B ;充电器设置
LCALL R_BIT
SETB LED3CLK
CLR RST
CLR LED3CLK
SETB RST
MOV A,#8EH
LCALL R_BIT
MOV A,#80H
LCALL R_BIT
SETB LED3CLK
CLR RST
RET
;----------------------读取一RAM ------
T_6061: CLR RST
CLR LED3CLK
SETB RST
MOV A,R1
LCALL R_BIT
LCALL W_BIT
SETB LED3CLK
CLR RST
RET
;-----------------------------
R_1302: MOV R0,#SECOND
MOV R7,#7
MOV R1,#81H
R_1302A: CLR RST
CLR LED3CLK
SETB RST
MOV A,R1
LCALL R_BIT
LCALL W_BIT
MOV @R0,A
INC R0
INC R1
INC R1
SETB LED3CLK
CLR RST
DJNZ R7,R_1302A
RET
;------------------R_BIT------------------
R_BIT: MOV R4,#8
R_BIT1: RRC A
MOV LED4IO,C
SETB LED3CLK
CLR LED3CLK
DJNZ R4,R_BIT1
RET
;-------------------W_BIT-----------------------
W_BIT: MOV R4,#8
W_BIT1: MOV C,LED4IO
RRC A
SETB LED3CLK
CLR LED3CLK
DJNZ R4,W_BIT1
RET
;--------------------------------------------------
BCD_HEX:
MOV A,6FH
ANL A,#0FH
MOV B,A
MOV A,6FH
MOV 6FH,B
SWAP A
ANL A,#0FH
MOV B,#0AH
MUL AB
ADD A,6FH
;MOV 6FH,A
RET
HEX_BCD:
MOV A,6FH
MOV B,#10
DIV AB
SWAP A
ADD A,B
;MOV 6FH,A
RET
;-----写一地址---R1 为地址,R0 为数据----------
SETONE: CLR LED3CLK
CLR RST
CLR LED3CLK
NOP
SETB RST
MOV A,#8EH
LCALL R_BIT
MOV A,#00H
LCALL R_BIT
SETB LED3CLK
CLR RST
CLR LED3CLK
NOP
CLR RST
CLR LED3CLK
SETB RST
MOV A,R1
LCALL R_BIT
MOV A,R0
LCALL R_BIT
NOP
SETB LED3CLK
CLR RST
NOP
NOP
CLR RST
CLR LED3CLK
SETB RST
MOV A,#8EH
LCALL R_BIT
MOV A,#80H
LCALL R_BIT
SETB LED3CLK
CLR RST
RET
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