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中国DOS联盟论坛 » DOS开发编程 & 发展交流 （开发室） » Source code of a soft shutdown program under DOS
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Floor 16
Posted 2003-07-24 00:00 · 中国 广东 汕尾 电信
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Floor 17
Posted 2003-07-26 00:00 · 中国 北京 联通
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If it's a soft boot, then jmp ffff:0000. For a more thorough and lower-level one, it's out 64,fe
Floor 18
Posted 2003-07-26 00:00 · 中国 香港
The following is a quote from 021850524 on July 26, 2003 at 14:28:29:Is this referring to this?
If it's a soft boot, then jmp ffff:0000
For a more thorough and lower-level one, it's out 64,fe
C:\>debug
-a
****:0100 mov al,fe
****:0102 out 64,al
****:0104
-rcx
CX 0000
:4
-nreset.com
-w
Writing 00004 bytes
-q
C:\>
Floor 19
Posted 2003-07-27 00:00 · 美国 肯塔基州 费耶特县 列克星敦 Charter_Communications
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The following is a quote from lydong on 2003-4-7 12:46:41:
There are already so many programs for soft shutdown and restart, but there is no program that can directly restart DOS. The following programs all cannot restart DOS smoothly. They all freeze when the startup screen just appears. May I ask who has a way?
Use GRUB for DOS, which can realize starting (the same or another) DOS directly under DOS.
Wengier - 新DOS时代
欢迎大家来到我的“新DOS时代”网站，里面有各类DOS软件和资料，地址：
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欢迎大家来到我的“新DOS时代”网站，里面有各类DOS软件和资料，地址：
http://wendos.mycool.net/
E-Mail & MSN: wengierwu AT hotmail.com （最近比较忙，有事请联系DOSroot和雨露，谢谢！）
Floor 20
Posted 2003-08-14 00:00 · 中国 广东 广州 白云区 电信
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I've done both for the sixth floor and the second floor, but it doesn't shut down after execution. Why? When using masm, the exe file is successfully generated, but there's no result after execution. Why? Please give instructions.
Floor 21
Posted 2003-08-14 00:00 · 中国 广东 广州 白云区 电信
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And I successfully compiled the obj file using masm. But I'm not sure if there's a problem when I link it into an exe file.
c:\>link poweroff.obj
run file I just pressed Enter here
list file pressed Enter directly
libraries pressed Enter directly
warning:no stack segment
I know I must have made a mistake here.
I used it a long time ago but now I've forgotten. Could any brother help?
c:\>link poweroff.obj
run file I just pressed Enter here
list file pressed Enter directly
libraries pressed Enter directly
warning:no stack segment
I know I must have made a mistake here.
I used it a long time ago but now I've forgotten. Could any brother help?
Floor 22
Posted 2003-08-14 00:00 · 中国 广东 广州 白云区 电信
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Dear experts, I made a mistake. After I finished the program, I ran it under Windows. I forgot that this program is used to shut down DOS. Now the problem is solved.
Floor 23
Posted 2003-09-08 00:00 · 中国 河南 漯河 联通
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I need a detailed introduction to the use of MASM. Thank you!!!
My email: lhyh@371.net. QQ: 80847753
My email: lhyh@371.net. QQ: 80847753
Floor 24
Posted 2003-09-11 00:00 · 中国 广东 深圳 南山区 电信
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I wonder if I need to meet two conditions first:
1. BIOS supports APM/ACPI function;
2. ATX power. What does the moderator think?
1. BIOS supports APM/ACPI function;
2. ATX power. What does the moderator think?
适合的，就是最好的！
DOS，永远的初恋情人。
DOS，永远的初恋情人。
Floor 25
Posted 2004-06-30 00:00 · 中国 云南 红河哈尼族彝族自治州 电信
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Is there a C language source code?
Floor 26
Posted 2009-07-30 06:18 · 中国 湖北 武汉 电信
... Hey, you guys are still using the system interrupts. But you still don't know exactly how it shuts down. That is, you don't know how that interrupt program manages to shut down...
... Rebooting is simple. As long as you set cs:ip to ffff:0000, so in debug, a jmp ffff:0000 can reboot. (But this doesn't save any data)... The reason this reboot works is because when the system boots up, cs:ip is set to ffff:0000, and the first instruction the system executes is at ffff:0000...
.... But how to shut down?
... Rebooting is simple. As long as you set cs:ip to ffff:0000, so in debug, a jmp ffff:0000 can reboot. (But this doesn't save any data)... The reason this reboot works is because when the system boots up, cs:ip is set to ffff:0000, and the first instruction the system executes is at ffff:0000...
.... But how to shut down?
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