Path: 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 Organization: University of Lulea, Sweden Lines: 27 UUCP-Path: {uunet,mcvax}!sunic.se!tau.luth.se!d87-khd 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 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | Karl 'Dixie' Hultland | email: d87-khd@sm.luth.se | | University of Lulea | : {uunet,mcvax}!sunic.se!sm.luth.se!d87-khd| | Sweden | Snailmail: Mjolkuddsv. 63-5, S-95157 Lulea Sweden | |=======================| Voice nat: 0920-15479 | | Urbi et Orbi | Voice int: +46 920 15479 | |=============================================================================| | If two people agree on EVERYTHING , one of them is OBSOLETE!! | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++