Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!uwm.edu!uwvax!astroatc!feuling
From: feuling@astroatc.UUCP (Lindsay Feuling)
Newsgroups: comp.binaries.ibm.pc.d
Subject: Re: Warm-boot program
Keywords: Warm-boot
Message-ID: <2991@astroatc.UUCP>
Date: 3 Jan 90 22:36:15 GMT
References: <5894@uhccux.uhcc.hawaii.edu>
Reply-To: feuling@astroatc.UUCP (Lindsay Feuling)
Organization: Astronautics Technology Cntr, Madison, WI
Lines: 35

>From: larned@uhccux.uhcc.hawaii.edu (Paul Larned)
>Subject: Warm-boot program
>Keywords: Warm-boot
>Message-ID: <5894@uhccux.uhcc.hawaii.edu>
>Date: 3 Jan 90 20:04:26 GMT
>Organization: University of Hawaii
>Lines: 5
>
>
>Does anyone know where I can locate a warm-boot program?
>I understand this is a small .COM program which is very
>useful in batch files where, for example, you switch
>CONFIG.SYS files.  Thanks very much for any help.
>

The method for creating such a program is very simple.  All 
you need is the program DEBUG.COM, or SYMDEB.COM (available from
Microsoft Macro Assembler), or even the Macro Assembler!

The assembly code for a warmboot is as follows:
	mov	ax,0
	mov	ds,ax
	mov	si,0472
	mov	word ptr [si],0034
	mov	word ptr [si+01],0012
	jmp	f000:fff0

Even simpler is the code for a coldboot:
	jmp	f000:fff0

These assembler instructions may be entered as code in
DEBUG or SYMDEB (using the 'a' option), and saving them as
'WARMBOOT.COM' and 'COLDBOOT.COM' respectively. 

	Good luck q:-)