I know, I'm replying to myself (well that's one way of getting a lot of e-mail,
isn't it? ;-)
As you can see, in 2013, J.R.Hogerhuis got a RasPi working with a TPDD emulator.
There, I already mentioned to use the other hardware I/O of the RasPi to
further emulate a DVI.
With the RasPi, you already have removable storage, connectivity and video out
in hardware.
Now you still need a connection to emulate the DVI, allowing the RasPi to be a
monitor for the Model T
- Hardware: cable from the Model 100 towards the RasPi I/O ports - and a
different one for the Model 102
- Software: The RasPi emulating the DVI, sending out video to it's HDMI or CVBS
output. Sad, no VGA :-(
- Software: maybe both on the RasPi as on the Model T: network connectivity
over the ethernet port.
I have the impression that most of the work would be software.
Just dreaming...
Greetings from the TyRannoSaurus
Jan-80 """""
@ work ( - 0 )
--------------.ooo--(_)--ooo.---
Be green, read from the screen!
I'm including the 2 messages from 2013 at the end...
-----Original Message-----
From: M100 [mailto:[email protected]] On Behalf Of VANDEN
BOSSCHE JAN
Sent: woensdag 20 mei 2015 11:02
To: Model 100 Discussion
Subject: Re: [M100] TDock
Ken
IMO, the Tdock should not be portable. It is, after all, a 'dock', a docking
station. What I would like to see, rated from high to low, is simply:
- video output
- removable storage
- connectivity
Connectivity is not too important for me, if I have removable storage on a
medium that can be read on another computer.
Removable storage isn't mandatory either, come to think of it. Because a lot of
people already have their TPDD's and/or emulator set up, possible on different
environments, ranging from DOS to Windows, via Linux, Apple, Palm and
Android.(?) And some even have NADS.
Video output is THE function to have, IMHO. And I have more VGA monitors around
the house than HDMI-enabled devices. Also, the latter tend to be bigger. As for
VGA monitors, I can get as low as 9 inch, wich is still fine to display 40x16
in text, or 240x128 in graphical mode. And old 1024x768 15" VGA TFT monitors
can be found everywhere, if they aren't dumped yet. I think VGA isn't dead yet.
I just bought a new Lenovo laptop, and aside from HDMI, it still has VGA.
Or you could turn it around: design TDOCK with a monitor build-in?
Just dreaming...
Greetings from the TyRannoSaurus
Jan-80 """""
@ work ( - 0 )
--------------.ooo--(_)--ooo.---
Be green, read from the screen!
From: M100 [mailto:[email protected]] On Behalf Of Joe Grubbs
Sent: dinsdag 19 mei 2015 20:45
To: Bitchin100
Subject: Re: [M100] TDock
Hey Ken,
I'm so glad you posted this because I've been wondering how the project is
going.
Personally I'd like to see a modern video interface. Maybe not the old VGA
standard specifically, but something fresh like HDMI that would work with a
myriad of high res TVs and monitors nowadays. WiFi and RJ-45 network
interfaces, as well as SD storage are also high on my list. Additional sound
hardware would be nice but it's not a priority to me.
Just my $0.02 :)
________________________________________
Date: Tue, 19 May 2015 10:50:34 -0700
From: [email protected]
To: [email protected]
Subject: [M100] TDock
Hey gang,
Bob asked about the status of TDock the other day and it made me think about it
with the very ew background cycles of spare though time that I have. But it
made me wonder, what should be the focus of such a device? Long battery life
with WiFi and SD card access capability (along with VGA)? An added HDMI output
and USB Host port with shorter battery life? Added support for generic digital
and /or analog I/O (DACs, ADCs, etc.)?
Ken
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Jan Vanden Bossche
Sent: zondag 21 juli 2013 23:33
To: 'Model 100 Discussion'
Subject: Re: [M100] Raspberry Pi & LaddieAlpha working!
Hallo,
> -----Original Message-----
> From: John R. Hogerhuis
>
> On Sunday, July 21, 2013, Jan Vanden Bossche wrote:
> >
> > Great ! I'm contacting my electronics store first thing Monday!
Meanwhile, I have confirmation from a friend - linux and RasPi supporter -
that this is very easy and that he could fix me up in 30 seconds (gasp)
> > Now from the "It's-never-enough Dept.", a question:
> > Can you emulate a DVI at the same time ? Since we already have
> > storage, Video output will do. Screen 1,1 and such...
>
> Pi has some gpio. Maybe we could get the Pi to decode
> parallel data from the m100 printer port. That could be the
> channel over which to send display data.
The DVI works over the system bus, AFAIK. That's why - as I understood it,
but correct me if I'm wrong - the 100 and 102 had different cables to
connect to a DVI. AFAIK, the system bus is parallel too.
> Then you need a program on the m100 to redirect io to the
> printer port.
Hasn't the original DVI-software been analysed ? That could give some
pointers to the way Tandy programmers did this.
> Finally you need a terminal program for the pi that can
> emulate the m100's vt52'ish display control codes.
Wasn't there a terminal definition file for unix, or something ? Or is there
no relation to this issue.
> -- John.
Greetings from the TyRannoSaurus
------ """""
Jan-80 ( @ @ )
--------------.ooo--(_)--ooo.---
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of John R. Hogerhuis
Sent: zondag 21 juli 2013 02:39
To: Model 100 Discussion
Subject: [M100] Raspberry Pi & LaddieAlpha working!
Picked up Raspberry Pi Model B from Microcenter this morning. This is
a $40 computer, it has Composite, HDMI, sound outputs. It has 2 usb
host ports. It has an Ethernet port. It has an SD card that it boots
its operating system from and can use as storage. It gets power via a
mini usb cable.
I had every expectation that this thing would run LaddieAlpha.EXE
as-is under mono since it runs on x86 based Linux boxes. But I needed
to prove it...
Installed the Raspbian image on a SD card
Booted the Raspi with a USB keyboard and my old Magnavox "Computer
Monitor 80" green-screen I used long ago with my Color Computer 3. I
love the composite output on this gadget!
Used the raspi-config utility to change the keyboard mapping to US and
expand the image to fill the disk.
Plugged in a pl2303 based USB-Serial adapter, and a keyboard
Connected to network via ethernet
Installed mono-complete
Used wget to pull down LaddieAlpha.EXE from bitchin100.com
mono ./LaddieAlpha.EXE /dev/ttyUSB0 6
Attached a Laplink full null crossover cable, plugged to Model 100
with a gender changer shim... verified saving and loading files,
creating and changing directories with no issues.
There you have it... a working Raspberry Pi based TPDD server :-)
Note that LaddieAlpha.EXE is written in C# and compiled on Windows,
yet ran with no changes whatsover on the ARM-based Pi. Is that cool or
what?
-- John.
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