[Coco] Adapting a V9958 64-pin Chip to fit a Solderless Breadboard

[Daniel Campos]

Pics or didn't happened. :-)

Daniel

Em 04/04/2013 17:09, Kip Koon escreveu:
> I'm almost finished with building my version of SiMon6809 with a more
> versatile address decoding logic to facilitate experimentation.  I think I
> have come up with a very interesting address decoding design based on many
> of the projects I've seen here and around the internet.
> There are various 8-bit compatible chips available that I want to play with
> to get my feet wet.  I know it will be very simple to those of you who have
> been doing this awhile, but I'm proud of it.  You know, baby steps and all.
>
> That's what I like about this group, everyone helps everyone.
> I want to share this with everyone and as soon as I get a web site up, I let
> you guys know about it.  In the meantime, you can read about SiMon6809 at
> the following web site.
> http://www.8bitforce.com/simon6809/
> He mentions a SiMon6809 Turbo version, but as yet he has not released any
> schematics.  We are waiting...
> http://www.8bitforce.com/simon6809_turbo/
> My chip has arrived, so I now have this really cool V9958 Video Display
> Processor that I want to add to my SiMon6809 computer so I can play with it,
> but it won't fit into my breadboard.  It uses 0.07" pin spacing instead of
> 0.1" pin spacing.  I guess to keep it from being as big as the original
> MC68000 MPU.  That was an enormous chip, but I loved it!
> I scoured the internet last night looking for sdip64 to dip64 adapters, but
> I couldn't find any.  :(  Correction, I found one for several hundred $.
> Wow!  It seemed to me just an sdip64 zif socket on a PCB with header pins
> sticking out the bottom so it will fit a programmer.
> I wonder if any hobbyists have completed an sdip64 to dip64 adapter PCB.  I
> am definitely interested in getting one.  I'm still looking.
> Kip
>