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Article View: comp.os.msdos.programmer
Article #2509

Re: MSDOS "reboot" program

#2509
From: Steve Resnick
Date: Wed, 03 Oct 1990 18:32
35 lines
1523 bytes
In article <68@beep.UUCP> kris@beep.UUCP (Port'naybl) writes:
>[Auctioneers talk at 9600 baud.]
>
>     We've been having some problems here at "beep" recently, mostly users
>that aren't "root" or "news" not having their articles leaving this site.
>Please bear with me if this is a repeat...
>
>    A few weeks ago, someone posted a 5 byte program that could be entered
>into memory with the debugger, and then be saved as a runnable program.
>Could someone please send me a copy?
>

Use this:

DEBUG <enter>
a<enter>
jmp FFFF:0 <enter>
<enter>
r cx<enter>
5 <enter>
nboot.com<enter>
w<enter>
q<enter>

That will do a cold re boot. To do a warm boot, you need to change the word
at 0:472H to 1234H before doing the jmp to ffff:0

Cheers!
Steve

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Technical Details
Message-ID: <1990Oct3.183242.22450@Octopus.COM>
Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rutgers!apple!vsi1!octopus!stever
References: <68@beep.UUCP>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rutgers!apple!vsi1!octopus!stever
From: stever@Octopus.COM (Steve Resnick )
Newsgroups: comp.os.msdos.programmer,comp.sys.ibm.pc.misc
Subject: Re: MSDOS "reboot" program
Message-ID: <1990Oct3.183242.22450@Octopus.COM>
Date: 3 Oct 90 18:32:42 GMT
References: <68@beep.UUCP>
Reply-To: stever@octopus.UUCP (Steve Resnick )
Distribution: usa
Organization: Octopus Enterprises, Cupertino CA
Lines: 35