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From: valley@uchicago (Doug Dougherty)
Newsgroups: comp.os.msdos.programmer
Subject: Re: Rebooting
Message-ID: <valley.659747783@gsbsun>
Date: 27 Nov 90 23:16:23 GMT
References: <1990Nov27.201109.1507@wpi.WPI.EDU>
Sender: news@midway.uchicago.edu (News Administrator)
Organization: University of Chicago
Lines: 24

jhall@wpi.WPI.EDU (John Clinton Hall) writes:


>How do I perform a system warm boot?  I have tried INT 19h, which is supposed
>to initiate the boot sequence, but it doesn't work?
>-- 
>----------------------------------------------------------------------------
>The highest sounds are hardest to hear.      ## ## ## ##### ##
>Going forward is a way to retreat.           ## ## ## ## ## ##  jhall
>Great talent shows itself late in life.      ## ## ## ##### ##  @wpi.wpi.edu

This oughta give you the idea:

C> debug reboot.com
-u
2A05:0100 A08000        MOV     AL,[0080]
2A05:0103 08C0          OR      AL,AL
2A05:0105 750B          JNZ     0112
2A05:0107 B84000        MOV     AX,0040
2A05:010A 8ED8          MOV     DS,AX
2A05:010C B83412        MOV     AX,1234
2A05:010F A37200        MOV     [0072],AX
2A05:0112 EA0000FFFF    JMP     FFFF:0000
-q