As usual, my "attendance" was via Skype, the Event Report below
was put together from
Unfortunately, some of the "usual suspects" were unable
to attend, but there was still a good turnout. The
attendees were Andy, Bill, Jim, Mark, Martin, Mike, plus
myself via Skype.
During any breaks in the
proceedings, it appears that the attendees were too busy
taking advantage of Martin's mum's hospitality to take
time out for a group photo. |
As usual, the event featured a Memotech themed cake.
This year, the cake's "flavour" was Andy's game, "Turbo".
The cake was a very nice fruit cake baked by Martin's
mum and iced by Martin himself.
As last year Martin kindly sent me a sample after the
event - and very nice it was too!
(Photo
courtesy of Andy Key) |
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Every year, there is talk of holding a "high score"
competition, one of the foremost proponents of this is
Claus. In previous years, it didn't actually happen but
the guys cunningly waited for a year when Claus was
unable to attend to hold the competition. Perhaps they
had been afraid that Claus's gaming skills would have
made it too one-sided in previous years?
Anyway,
the competition was held this year - the game chosen to
match the cake, i.e., Andy's "Turbo",
played in "green screen" to add to the excitement ! |
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Andy appears to have thrown the game (scoring 0!) in an
attempt to be first to get to the cake.
His plan
obviously worked !
(Photo courtesy of Martin
Allcorn) |
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Despite a late challenge from Mark . . . . . |
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The winner was Jim with a score of 3200 . . . . .
(Photo courtesy of Andy Key) |
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. . . . .who took away a host of fabulous prizes :-)
(The "world's smallest remote controlled car" -plus
batteries)
(Photo courtesy of Andy Key) |
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Hardware |
Martin had a selection of his MTX related
hardware on show |
The "star of the show" was a working NFX. Martin and I
had been discussing the possibility of adding a network
connection to the MTX prior to last year's Memofest;
Martin had added a
Wiz811 network module to a cut-down version of our
CFX project.
Prior to Memofest 2017, Martin had the hardware working,
but the software was proving to be a challenge for
Martin. I suggested that Andy's skills in that area
could be leveraged and Martin passed a prototype NFX
board to Andy in the hope that he could work his magic
on it.
It was something of a surprise to me that
Andy had indeed been able to use NFX to get an MTX
computer communicating over TCP/IP, to such an extent
that he had a working webserver that was demoed at
Memofest 2018.
For full details of the clever
coding behind Andy's webserver, see his
Memofest 2018 report and his dedicated
NFX page. |
The prototype NFX board attached to a Martin's MTX (with
orange coloured function keys from a BBC Micro).
The display shows the output from Andy's NFX.COM program
as it serves web pages to a network attached PC.
(Photo courtesy of Andy Key) |
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A close up of the output from NFX.COM
(Photo
courtesy of Martin Allcorn) |
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Screen shot of the PC displaying the webpage and images
being served up by the MTX.
The 4MHz MTX had
some speed issues when trying to serve larger image
files, leading to occasional "stalling" of the web page.
(Photo courtesy of Martin Allcorn) |
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Martin had secretly been adding NFX to the MTXPlus+ I/O
board and was able to run the webserver on
MTXPlus+
at 16Mhz. Unsurprisingly, this made a big difference to
the speed that the pages/images could be served.
(Photo courtesy of Martin Allcorn) |
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The MTXPlus+ I/O board also includes a version of the PC
USB/PS/2 keyboard interface that we created for MTX.
We have created a small PCB that allows a PC
keyboard to run in tandem with, or in place of, the
normal MTX matrix keyboard. Bill has developed code for
the Parallax Propeller that maps the PC keys into the
MTX keyboard scanning logic.
See my
MTX PC
Keyboard Interface Page for details |
|
Martin also showed off his cheap (<£10) component tester
that he got off eBay.
(Photo from eBay -
just search for "LCR-T4") |
|
Bill Brendling |
Bill brought along what is probably the smallest working
MTX, shown here perched on his knee.
It comprises
of a Raspberry PI running MEMU, a small LCD display and
a small wireless keyboard.
(Photo courtesy of
Andy Key) |
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Andy Key |
Slightly straying off the Memotech MTX theme, but
definitely in line with Memotech's later
Video Wall
offering, Andy outlined his plans for a miniature
Video Wall of his own.
Andy wrote the original
Video Wall software back in the '80s and is planning on
developing a cut-down version of the Video Wall hardware
to allow his vintage software to run without the need
for multiple legacy monitors. |
|
Even for those of use lucky enough to have original
Video Wall hardware, it is pretty impractical to have
working video walls. The biggest restriction is the
requirement to have 15.7kHz monitors.
Andy's
intention is that his hardware will allow the software
to drive VGA monitors, with multiple portions of the
video wall running on a single monitor. |
|
Andy has created a
dedicated page for his Video Wall project.
In
brief, the system will be similar to the original
Memotech design in that it will have a video capture
board (replicating the functionality of the FramseStore
/ AD+ Controller module).
(KiCad 3D PCB model
photo courtesy of Andy Key) |
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Like the original, it will also have a Framestore/Memory
card
(KiCad 3D PCB model photo courtesy of
Andy Key) |
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Memotech Hospital |
There were no patients requiring the attention of the
MTX surgical team this year :-) |