Discussion:
[N8VEM: 18830] Re: A New S100 Video MSX compatible board.
Brian Marstella
2014-10-09 13:33:56 UTC
Permalink
Hi, John,

Thanks to you and others for all the work on this one. While I don't have
an immediate use, I'd like to go ahead and order 1 of the boards for the
future. Let me know payment arrangements as the order comes together and
I'll get some funds to you.

Regards,

Brian
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Elsid
2014-10-09 20:33:28 UTC
Permalink
Hi John,

It has been a long road.
Please put me down for one board.

Leon Byles
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
<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
<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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Ants Pants
2014-10-09 21:12:33 UTC
Permalink
Post by Elsid
Hi John,
could you please put me down for one board..


Thanks
Antony
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Elsid
2014-10-09 20:33:28 UTC
Permalink
Hi John,

It has been a long road.
Please put me down for one board.

Leon Byles
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
<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
<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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Ants Pants
2014-10-09 21:12:33 UTC
Permalink
Post by Elsid
Hi John,
could you please put me down for one board..


Thanks
Antony
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