From mboxrd@z Thu Jan  1 00:00:00 1970
From: wkt@tuhs.org (Warren Toomey)
Date: Mon, 5 May 2008 21:44:18 +1000
Subject: [Unix-jun72] Why is V1 so slow?
In-Reply-To: <20080505113632.GA85746@minnie.tuhs.org>
References: <20080505045229.GA76763@minnie.tuhs.org>
	<20080505091011.GL7293@server.vk2pj.dyndns.org>
	<20080505113632.GA85746@minnie.tuhs.org>
Message-ID: <20080505114418.GA87292@minnie.tuhs.org>

On Mon, May 05, 2008 at 09:36:32PM +1000, Warren Toomey wrote:
> I think there are output delays in the kernel.

There certainly were. I've svn committed a patch to remove these lines
from u4.s, and that really speeds things up!

	Warren
 
1:
       cmp     r1,$11 / char = ht
       bne     1f
       movb    $15.,toutt+0 / set time out to 15 clock tics
1:
       cmp     r1,$15 / char = cr
       bne     2f
       movb    $15.,toutt+0 / set time out to 15 clock ticks