Path: chuka.playstation.co.uk!scea!greg_labrec@interactive.sony.com
From: mperdue@iquest.net (Mario Perdue)
Newsgroups: scee.yaroze.beginners
Subject: Re: Q: What's ku/k0/k1?
Date: Thu, 05 Jun 1997 15:48:14 GMT
Organization: SCEA Net Yaroze News
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Message-ID: <3396df2b.5763546@205.149.189.29>
References: <339472BC.228C@actlab.com> <3394b346.8692597@news.scea.sony.com> <33952720.364@interactive.sony.com>
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Lewis,

Thanks for clearing that up. I suspected it was a holdover from the
full kit, but couldn't find anyone who could/would confirm it.

Mario

On Wed, 04 Jun 1997 09:28:17 +0100, Developer Support
<dev_support@interactive.sony.com> wrote:

>The memory mappings are just left-overs from the
>full dev. kit. On Yaroze, there is only one mapping
>available to use, and this involved using addresses
>0x80090000 - 0x801fffff. In that single
>mapping, the I-cache and D-cache are both available
>for use. (The D-cache is 1K data scratchpad, usable for 
>storing a program stack for faster stack access;
>see the new download area for an example of this use.
>The I-cache is a 4K instruction scratchpad, usable
>for speeding up execution, especially when in loops).