ISO: Motorola MDP-1000 info/software
a.carlini at ntlworld.com
Wed Sep 30 13:06:49 CDT 2020
On 30/09/2020 18:40, Josh Dersch via cctalk wrote:
> On Wed, Sep 30, 2020 at 5:20 AM ED SHARPE via cctalk <cctalk at classiccmp.org>
>> whats the story on this...i see items but no pix. also check
>> your spelling on Motorola; Instrmentation and Control, Inc. that is in
>> the index. let me now if there is a photo group for this at least
>> with the covers I always wondered if it was just a 12 bit computer
>> or if it was software compatible with pdp-8? I wonder what else
>> this division of Motorola produced.... there was a teleprinter they
>> made... Here is the link to the teleprinter it is filed under gov
>> div. http://www.smecc.org/motolola_government.htmi think i got the 12
>> bit computer manual from same person.
> The link is dead (seems misspelled, but even correcting it (and changing
> htmi to html) doesn't result in a link that works). I can't find any
> reference to you posting a link to the manual in the cctalk archives, but
> that doesn't mean it isn't there, somewhere. If you're able to scan this
> manual, I'd love a copy.
> The MDP-1000 is in no way like a PDP-8. Different memory word-size, has an
> actual ALU, 5 registers, etc. It's a very odd little system. I was doing
> a bit more reading last night and while the ALU is 12 bits wide, the Link
> (carry) bit is the carry out from bit 7. Logical operations only operate
> on the low 8 bits, though there are variants that work on the upper 4 bits
> only, as well.
> - Josh
Maybe here: http://www.smecc.org/motolola_government.htm ?
I think the "i" wasn't an "ell" it was an "I" as in "I think ..."?
antonio at acarlini.com
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