Date : Thu, 21 Oct 2004 19:56:45 +0100
From : "Tim Matthews" <tim.matthews@...>
Subject: RE:Prophets...?! was re: pictures/32016/old posts
I never heard of the Prophet machines before!
Were they a 'missing-link' between the Atom and Beeb?
Anyone fill me in on what i've been missing?
cheers,
tim.
> -----Original Message-----
> From: Majordomo List Manager [mailto:majordomo@...]
> On Behalf Of Jules Richardson
> Sent: 21 October 2004 16:50
> To: bbc-micro@...
> Subject: Re: [BBC-Micro] pictures/32016/old posts
>
>
> On Thu, 2004-10-21 at 14:32 +0000, W.Scholten wrote:
>
> > Note the Atom section only contains the lesser known
> machines Prophet2
> > & 3.
>
> I'm still keeping an eye out for a Prophet machine; I only
> know of one here in the UK. Not exactly common systems!
>
> > I'll also put up 32016 disk images I got from M.T. soon
> with some BBC
> > basic benchmarks of the 6MHz version.
>
> Yay! :)
>
> > I don't suppose anyone has 10MHz CPUs and FP copro's?
>
> Hmm. No to the copro's. I've not checked the speed though
> (one copro went to the museum, I've got a couple - one dead -
> and I've still got another one sitting in a pile of bits
> destined for a collector down south).
>
> Do you know what differences in parts there were to support
> 10MHz and FP? (i.e. were the DRAM speeds different etc.)
>
> I've got a couple of Whitechapel MG-1's at the museum which
> are pretty much beyond repair (they'll be spares for an MG-1
> I'm expecting near Christmas). They use the 32016, at 8MHz I
> *think*, but I'd have to check. I'm pretty sure they've got
> floating-point support hardware (certainly several
> 32016-series chips, although one's doubtless an MMU). If it's
> pretty much a clock change and CPU swap for the higher speed
> I might give that a go with one of the copros sometime.
>
> Incidentally, I never have found out why there seem to be
> issue H and issue 2 32016 copros out there. There's no
> obvious difference between the two expect for the decoupling
> caps used for the ICs. Why one issue was based on a number
> and another a letter, I have no idea. Unless the CPU speed's
> different on one vs. the other, I'll have to go back and look now!
>
> > Can't say much more as I don't have
> > any docs. Anyone have some spare PanOS/32016 manuals? What about an
> > assembler manual?
>
> I'd like 'real' copies myself - fat chance of finding any,
> though. Scanned versions are well on the way, though! *looks
> at nobody in
> particular*
>
> cheers
>
> Jules
>
>
>
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