Re: Writing to WCS

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#2922

From: Karl-Gunnar Hultland
Date: Tue, 23 Jan 1990 23:42

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In article <20080@watdragon.waterloo.edu> mwandel@tiger.waterloo.edu (Markus Wandel) writes:
>MagicResetCode:
>	LEA.L	$FC0002,A0      ; Point to JMP instruction at start of WCS
>                ^^^^^^                                                 ^^^
Is this address unchanged from kick 1.0 to kick 1.4 ?

>	CNOP	0,4		; IMPORTANT: Must be longword aligned
>	RESET			; All RAM goes away now!
>	JMP	(A0)		; Rely on prefetch to execute this instruction
>
>Oh, this code is also slightly more future-proof as it no longer depends on
>that RESET instruction at the start of the WCS code.
Well there's a jump instructin in my version of the kickstart(1.3)
BUT is it GUARANTEED that it will be there in 1.4  ... 1.5 .... A3000
A4000 etc...

					Karl

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References: <90012003501244@masnet.uucp> <20011@watdragon.waterloo.edu> <629@shodha.dec.com> <20080@watdragon.waterloo.edu>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!uunet!mcsun!sunic!luth!d87-khd
From: d87-khd@sm.luth.se (Karl-Gunnar Hultland)
Newsgroups: comp.sys.amiga.tech
Subject: Re: Writing to WCS
Message-ID: <715@tau.sm.luth.se>
Date: 23 Jan 90 23:42:48 GMT
References: <90012003501244@masnet.uucp> <20011@watdragon.waterloo.edu> <629@shodha.dec.com> <20080@watdragon.waterloo.edu>
Reply-To: Karl-Gunnar Hultland <d87-khd@tau.luth.se>
Organization: University of Lulea, Sweden
Lines: 27
UUCP-Path: {uunet,mcvax}!sunic.se!tau.luth.se!d87-khd

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