Re: [N8VEM-S100:5339] A New S100 Video MSX compatible board.

[Robert <gst...@indy.net>]

Hi John,

Please put me down for 1ea. MSX board.

Thank you,
Robert Greenstreet





-----Original Message-----
>From: John Monahan <mon...@vitasoft.org>
>Sent: Oct 8, 2014 9:01 PM
>To: n8vem...@googlegroups.com, 'N8VEM' <n8...@googlegroups.com>
>Cc: Leon Byles <le...@swiftdsl.com.au>, Neil Breeden <nbre...@comcast.net>, Andrew Lynch <andrew...@sbcglobal.net>
>Subject: [N8VEM-S100:5339] A New S100 Video MSX compatible board.
>
>Guys I'm about to place a board production order for a MSX - VDP S100 video
>board.    This is a video board that is constructed to allow one to utilize
>some of the Z80 software for the MSX computers from way back. Please see
>here for a brief introduction and some early history.
>
>http://s100computers.com/My%20System%20Pages/VDP%20Video%20Board/VDP%20Board
>.htm
>
>The project itself has a long and convoluted history with some of us.
>Initially proposed by Andrew and others probably over two years ago, there
>were a number of "challenges" actually getting VGA style video outputs.   In
>the end it became clear that the most practical way to get VGA style video
>from the Yamaha V9938 was to use an external RGB to VGA converter box/board.
>These are still fairly common and easy to interface.     The board uses the
>same video and sound chips/ports as those used in the original MSX
>computers.   Interestingly there are still people that program (games) for
>these systems.  See for example:-
>
>http://www.msx.org/forum/msx-talk/software/software-s-100-bus-computer-using
>-msx-video-hardware#comment-230437
>
>That said, this board is in dire need of programming support.   Only two
>rudimentary test routines are supplied by me with the hardware and are on
>the above web page.
>
>I would like to acknowledge the big help of Leon Byles (Australia)  and Neil
>Breeden  is figuring out the final circuits for this board and helping with
>the (3) prototype boards. Also of course Andrew in doing the early prototype
>KiCAD drawings.   
>
>I am attaching a picture of the final KiCAD layout drawing.  (This BTW is my
>second complete KiCAD board -- finally gotten the hang of the software! )
>The .exe Freerouter converged to a final layout in 1 hour!
>
>Anyway as I said , I'm going to order 3 boards for myself, and while this is
>a very specialized board and probably not of general use,  I'm open to
>adding others to the order list.  In all probability this will be a onetime
>order event.   Will have the board done by PCBCart  running probably
>somewhere in the high $ teens/board .  
>
>John
>
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