Re: Re: K5 OS DIY programming

Google Search :
NEC V40 (compatible 80286)
NEC V40 CPU:

    * undefined opcode triggers INT6,
    * same speeds,
    * packages:
          o 68 pin PGA (Pin Grid Array)
            <http://ce.et.tudelft.nl/%7Eofferman/cl.1.2.html#PGA>,
          o 68 pin PLCC (Plastic Leaded Chip Carrier)
            <http://ce.et.tudelft.nl/%7Eofferman/cl.1.2.html#PLCC>,
          o 80 pin PFP (QFP (Quad Flat Package)),
    * mPD70208.

Nec V40 (8088)

V40 Computers:
http://www.system-cfg.com/pages/sharp_pc4600.html
http://www.system-cfg.com/pages/olivetti_pc1.html
http://www.mesanet.com/pdf/flatpanel/fpcxds.pdf

Hey, it works in C++

g0ory-XZoyATsUNX5Wk0Htik3J/[email protected] a écrit:

> The V40 is 8086 or 8088 derived, yes? (If I remember from the V20,
> V30.. ;-) (I got sentimental about the Z80 :-) )
>
> Ok, I'll look into OTP devices too. See what I can find - it's been a
> few years since making single board computers, in those days the
> biggest EPROM was a 32k 27256 :-)
>
> Cheers
>
> Adam
>
> --- In [email protected], Antoine Deschênes <antdes45@n...>
> wrote:
> > The NEC V40 processor's in there. It's pretty small for a end '80
> CPU.
> >
> > g0ory@n... a écrit:
> >
> > > Antoine,
> > >
> > >      Just a side note on the topic, the main controller is by
> NEC, If
> > > I'm right. NEC made an awful lot of controllers around the time
> which
> > > used the Z80 instruction set, sometimes with a few extra special-
> > > purpose instructions - a very underrated processor in it's time,
> and
> > > one of the most powerful 8 bit uP's ever.
> > >
> > > Cheers
> > >
> > > Adam
> > >
> > >
> > >
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-- 

Antoine Deschênes /aka
  -´¯`-¸-DragonMaster-¸-´¯`-
http://thehotcom.deep-ice.com/
Files: http://www.angelfire.com/ca7/hotcomcenter/