Date : Sun, 14 Aug 2011 00:32:03 +0200
From : rick@... (Rick Murray)
Subject: Risc PC (Was 'Minitel in France')
Hi,
Thanks for the MEMC datasheet. Odd formatting, but it is a higher quality
than the one I have. Mmm, just looked to see what UpdateMEMC 64, 64 actually
does. Fiddle ROM access time.
Yes, I figured the book would be too late, though it'll be of interest for a
background to the later ARM's TLB/MMU system. I'm on and off playing with an
embedded ARM926.
I can understand developing on a PC, when the system got more complicated,
like Arthur -> RISC OS, the PC might have afforded more capabilities due to
more memory and processing power than a 6502 system.
Blue Streak board? Wasn't the PC plugin called Springboard? That is the
origin of the various "Brazil" references in the header files, no? I wonder
what became of Brazil?
Best wishes,
Rick
(sent from my mobile)
-----Original message-----
From: Theo Markettos <theom+news@...>
To: bbc-micro@...
Sent: 2011 Aug, Sun, 14 00:14:07 GMT+02:00
Subject: Re: [BBC-Micro] Risc PC (Was 'Minitel in France')
In article <4E466C0B.8030502@...> you wrote:
> On a whim, I picked up this from Amazon for a tenner (inc. postage):
> http://www.amazon.fr/gp/product/0137362994/ref=oss_product
>
> If/when it arrives (not Amazon, a MarketPlace seller), I'll let you know
> if it says anything about the design of the MEMC, though being published
> in 1996, it might be a little after the MEMC's time.
I suspect it doesn't... this is in ARM6/7 era. I think the above was ARM's
first published databook. Their early 1990s post-Acorn datasheets etc were
typeset in Impression... I wonder if you can recognise it from the
typesetting of the book.
The MEMC datasheet might be interesting:
http://www.g7jjf.com/acornArm/MEMC_Datasheet_Sep86.pdf
I have this book:
http://www.amazon.co.uk/Acorn-RISC-Machine-Family-Manual/dp/0137816189/
(from 1990) which has essentially the same datasheet in a more nicely
arranged form. The endpapers are interesting... describe all VLSI's tools
for developing for ARM 2 on a PC. Did anyone ever see their Blue Streak
board? Can't have sold many.
Theo
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