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Date:      Mon, 11 Sep 1995 01:29:45 -0700 (PDT)
From:      sos@freebsd.org
To:        rgrimes@GndRsh.aac.dev.com (Rodney W. Grimes)
Cc:        hackers@freebsd.org (FreeBSD hackers)
Subject:   Re: cvs commit: src/sys/sys conf.h
Message-ID:  <199509110829.BAA14586@freefall.freebsd.org>
In-Reply-To: <199509110822.BAA01146@GndRsh.aac.dev.com> from "Rodney W. Grimes" at Sep 11, 95 01:22:38 am

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In reply to Rodney W. Grimes who wrote:
> > > It is all of 18 lines of assembler :-).  I'll fax the two pages to
> > > any one in the world who _PROMISES_ to fix the code in syscons to
> > > deal with this.
> > 
> > Hmm, does the 18 lines of assembler include the translation nessesary
> > for X to work also ?? If so fax me the pages !
> 
> No, the 18 lines of assembler tell you if you have a Type 1 or Type 2
> controller.  Only the type 1 controller allows you to wiggle the
> command byte translate bit to a state of 1 (bit 0x40).  Probably the
> big snag that is hanging syscons is (comments my rgrimes added within
> the []'s) ``Type 1 controller (described below [in the book, not here])
> must wait at least 7 microseconds after bit 0 [of port 0x64] transitions
> from 0 to 1, before reading the data from port 0x60.  Code to do this is shown
> in the Keyboard_read subroutine.
> 
> I suggest since you are the syscons maintainer that you go buy the Gilluwe
> book as all of chapter 8 is applicable to you (``The Keyboard system'').
> It is 58 pages of _VERY_ good info including your translation stuff I 
> think as it shows all the tables.
> 
> > 
> > 	Fax: +45 9815 7586  
> 
> Some how I don't think I am going to get a 14.4 fax connection :-), going
> out as soon as I can get to a flat bed photo copier, it is very hard to
> feed a 2" book through the fax machine :-).
> 
> > please write Att: Soren Schmidt on it..
> 
> Okay!  Probably some time tonight, I'll be over at the copy center today
> and can photo copy the pages.  You should get the book, ISBN 0-201-62277-7,
> it was $45.00 for my copy.

Ok I'll see what the local book store has to say on that (given previously
attempts it might be difficult to get it before 3.0 hits the streets :( )

> 
> -- 
> Rod Grimes                                      rgrimes@gndrsh.aac.dev.com
> Accurate Automation Company                 Reliable computers for FreeBSD
> 


-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Soren Schmidt  (sos@FreeBSD.org | sos@login.dknet.dk)  FreeBSD Core Team
               So much code to hack -- so little time



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