29 Oct
2012
29 Oct
'12
10:35 p.m.
Or at least, as close as one can get to one:
http://raspberry-python.blogspot.com/2012/10/risc-laptop.html
Battery powered ARM 1080p Motorola fun.
:)
Fran?ois
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30 Oct
30 Oct
12:10 a.m.
Or at least, as close as one can get to one:
http://raspberry-python.blogspot.com/2012/10/risc-laptop.html
Battery powered ARM 1080p Motorola fun.
What's the Motorola laptop in question? Is that an Atrix dock?
--
------------------------------------ personal: http://www.cameronkaiser.com/ --
Cameron Kaiser * Floodgap Systems * www.floodgap.com * ckaiser at floodgap.com
-- Friends help you move. Real friends help you move bodies. ------------------
2:06 p.m.
On Tue, Oct 30, 2012 at 12:10 AM, Cameron Kaiser <spectre at floodgap.com> wrote:
Yep. Not a hugely complicated thing to do, obviously, and it's been
done to death with Raspbian (that is my normal setup for the lapdock -
I run the raspberry pi as my mobile server, and I have a wall plate
with HDMI and cat5, and I use a USB extender and HDMI cable to connect
to the lapdock, with the raspberry pi remote), but I hadn't seen it
with RISC OS.
Fran?ois
--
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Or at least,
as close as one can get to one:
http://raspberry-python.blogspot.com/2012/10/risc-laptop.html
Battery powered ARM 1080p Motorola fun.
What's the Motorola laptop in question? Is that an Atrix dock? 
5:51 p.m.
On 30 October 2012 04:10, Cameron Kaiser <spectre at floodgap.com> wrote:
That was my guess.
I've seen & had a play with such a hack. Looks great from the front;
bit inelegant around the back, but still, pretty damn 'leet.
Sadly none of the ARM power management works with RISC OS at the
moment - but it did once, on the fairly obscure Acorn A4 laptop
Archimedes, so the code is in the tree somewhere, presumably, and
efforts are afoot to revive it.
RISC OS also had a JVM back in the day, and one of those would
significantly increase its appeal today.
Compared to Linux on low-end modern ARM hardware, RISC OS looks pretty
amazing. OK, so, no true memory protection, no multiuser support, no
pre-emptive multitasking (although there is a patch for this out
there, but it breaks a lot of compatibility), no virtual memory, etc.,
but it's fast as hell and does a surprisingly large amount of all you
might want. I know a number of people for whom it's still their main
OS today.
--
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Tel: +44 20-8685-0498 ? Cell: +44 7939-087884
Or at least,
as close as one can get to one:
http://raspberry-python.blogspot.com/2012/10/risc-laptop.html
Battery powered ARM 1080p Motorola fun.
What's the Motorola laptop in question? Is that an Atrix dock? 
6:16 p.m.
On Tue, Oct 30, 2012 at 5:51 PM, Liam Proven <lproven at gmail.com> wrote:
Compared to Linux on low-end modern ARM hardware, RISC
OS looks pretty
amazing. OK, so, no true memory protection, no multiuser support, no
pre-emptive multitasking (although there is a patch for this out
there, but it breaks a lot of compatibility), no virtual memory, etc.,
but it's fast as hell and does a surprisingly large amount of all you
might want.
Sounds like AmigaDOS minus (working) pre-emptive multitasking. I say
this not to start a flame war (really), but because it sounds like the
closest point of reference amongst the machines I know well.
On one other point, there's no true multi-user support in AmigaDOS
(UIDs, logins, filesystem permissions/ownership, etc), but I have hung
a VT220 off the serial port and fired off a CLI to it and had two
people using the same Amiga (my college flatmate was playing a game
and I was editing and compiling console-based (stdin/stdout) C
programs).
I know a number of people for whom it's still
their main OS today.
If it does what you need to get done, then there's nothing wrong with
that (though connecting to an Exchange server and running Outlook
seems to be the second favorite thing for folks to do outside of
running a web browser - that alone gives me more grief than anything
else in modern computing expectations except maybe OS-specific VPN
clients, my hassle of the week).
-ethan
6:42 p.m.
On 30 October 2012 22:16, Ethan Dicks <ethan.dicks at gmail.com> wrote:
On Tue, Oct 30, 2012 at 5:51 PM, Liam Proven
<lproven at gmail.com> wrote:
Yes, it is - fair comparison.
Both work usably in 512KB, too - or did in their 2.x versions, anyway.
Both can be used off a single floppy if you're a bit masochistic and
very patient. (RO is better as the core OS is in ROM.)
Compared to Linux on low-end modern ARM hardware,
RISC OS looks pretty
amazing. OK, so, no true memory protection, no multiuser support, no
pre-emptive multitasking (although there is a patch for this out
there, but it breaks a lot of compatibility), no virtual memory, etc.,
but it's fast as hell and does a surprisingly large amount of all you
might want.
Sounds like AmigaDOS minus (working) pre-emptive multitasking. I say
this not to start a flame war (really), but because it sounds like the
closest point of reference amongst the machines I know well. On one other point, there's no true multi-user
support in AmigaDOS
(UIDs, logins, filesystem permissions/ownership, etc), but I have hung
a VT220 off the serial port and fired off a CLI to it and had two
people using the same Amiga (my college flatmate was playing a game
and I was editing and compiling console-based (stdin/stdout) C
programs).
Nifty!
Don't know of a way to do that in RO but there is one very odd little exception.
It's a bit like Windows 3 in standard mode. Not in the trivial sense
that you can quit back to the CLI, although you can - in the weird
sense that GUI apps are cooperatively multitasked, but the CLI and CLI
apps /can/ be preemptively multitasked.
Bizarrely the RO standard GUI text editor, !Edit, includes a
pre-emptively 'tasked shell. Just it, nothing else anywhere, and it's
not in the core OS, it's a feature of the editor.
When I was told, I thought it was a joke or someone was fooling with
me, but it's real. In RO 4.x (possibly earlier), "task window" is an
option off the main OS memory-management/tasks/shutdown menu - but
when you call it, it sneakily loads !Edit and gets /it/ to open the
window.
If it does what you need to get done, then there's
nothing wrong with
that (though connecting to an Exchange server and running Outlook
seems to be the second favorite thing for folks to do outside of
running a web browser - that alone gives me more grief than anything
else in modern computing expectations except maybe OS-specific VPN
clients, my hassle of the week).
Yup. No Javascript is the big lack for Web 2; no Flash, Java or
Quicktime are things one can live with.
--
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Email: lproven at cix.co.uk ? GMail/G+/Twitter/Flickr/Facebook: lproven
MSN: lproven at hotmail.com ? Skype/AIM/Yahoo/LinkedIn: liamproven
Tel: +44 20-8685-0498 ? Cell: +44 7939-087884
7:02 p.m.
Compared to
Linux on low-end modern ARM hardware, RISC OS looks pretty
amazing. OK, so, no true memory protection, no multiuser support, no
pre-emptive multitasking (although there is a patch for this out
there, but it breaks a lot of compatibility), no virtual memory, etc.,
but it's fast as hell and does a surprisingly large amount of all you
might want.
Sounds like AmigaDOS minus (working) pre-emptive multitasking. I say
this not to start a flame war (really), but because it sounds like the
closest point of reference amongst the machines I know well.
1 Nov
1 Nov
2:34 p.m.
On 30 October 2012 23:02, Cameron Kaiser <spectre at floodgap.com> wrote:
Dunno. I think it sounds more like classic MacOS minus virtual memory.
Either way, I'm actually picking up an Atrix dock to try this. I have an
Rpi doing nothing and I think cobbling together a RISC OS laptop is an
excellent use of my time. :)))
Hurrah!
Prepare to have your mind a bit bent. RO is like no other OS I've ever
known, either at CLI level or in the GUI. Expect something rather more
alien than, oh, say, Plan 9 or LisaOS. :?)
--
Liam Proven ? Profile: http://lproven.livejournal.com/profile
Email: lproven at cix.co.uk ? GMail/G+/Twitter/Flickr/Facebook: lproven
MSN: lproven at hotmail.com ? Skype/AIM/Yahoo/LinkedIn: liamproven
Tel: +44 20-8685-0498 ? Cell: +44 7939-087884
Compared to Linux on low-end modern ARM hardware, RISC
OS looks pretty
amazing. OK, so, no true memory protection, no multiuser support, no
pre-emptive multitasking (although there is a patch for this out
there, but it breaks a lot of compatibility), no virtual memory, etc.,
but it's fast as hell and does a surprisingly large amount of all you
might want.
Sounds like AmigaDOS minus (working) pre-emptive multitasking. I say
this not to start a flame war (really), but because it sounds like the
closest point of reference amongst the machines I know well.
30 Oct
30 Oct
1:41 a.m.
On Mon, Oct 29, 2012 at 10:35 PM, Francois Dion <francois.dion at gmail.com> wrote:
Or at least, as close as one can get to one:
http://raspberry-python.blogspot.com/2012/10/risc-laptop.html
Battery powered ARM 1080p Motorola fun.
Which USB and HDMI adapters/cables did you use? I have a dock on the
way but I haven't ordered the converter bits yet. Normally, I get
things like that from monoprice.com but they don't seem to be well
stocked with microUSB and micro-HDMI stuff, at least not the exotic
extenders and converters. I think the right things can be ordered
from dealextreme.com, but I haven't figured out
exactly what to get
yet.
I know very little about HDMI/DVI video but I'm wondering how hard it
would be to make an IOB6120 squirt out something DVI-esque (it
normally does VGA out while emulating a terminal for the SBC6120).
I've long wanted to make a 12-bit laptop, and this dock might allow
for rather a lot of implementation short cuts.
-ethan
2:13 p.m.
On Tue, Oct 30, 2012 at 1:41 AM, Ethan Dicks <ethan.dicks at gmail.com> wrote:
On Mon, Oct 29, 2012 at 10:35 PM, Francois Dion
<francois.dion at gmail.com> wrote:
The dock has micro hdmi male, and micro usb b male. If it was female
for both, you could go to about any computer or electronics store and
get what you need. This summer I ended up making my micro hdmi to hdmi
cable, but it was hard to solder, with the shields and all and it kept
flickering. So I ordered the micro hdmi female to hdmi male adapter
Or at least, as close as one can get to one:
http://raspberry-python.blogspot.com/2012/10/risc-laptop.html
Battery powered ARM 1080p Motorola fun.
Which USB and HDMI adapters/cables did you use? from china. The rest I found in the US (my parts bin or
the local
computer shop).
I've posted a bunch of pictures with the proper nomenclature on all
the adapters and cables:
http://raspberry-python.blogspot.com/2012/10/risc-laptop-cables-cabos.html
I know very little about HDMI/DVI video but I'm
wondering how hard it
would be to make an IOB6120 squirt out something DVI-esque (it
normally does VGA out while emulating a terminal for the SBC6120).
There is the question of handshake and all that, so you do need a chip
to handle that for you. You could also buy an adapter:
http://sewelldirect.com/Hammerhead.asp
That's about as small as they get (yet still quite large). Not cheap, however.
Fran?ois
--
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2:52 p.m.
On Tue, Oct 30, 2012 at 2:13 PM, Francois Dion <francois.dion at gmail.com> wrote:
I know an adapter would work, but the IOB6120 has an FPGA squirting
out video. I'm wondering if it's feasible to drop new firmware on the
FPGA to emit something acceptable as DVI vs what it does now
(monochrome VGA). I lack enough knowledge of the DVI standard to
understand what would be needed to formulate the right bit streams
(VGA and NTSC I understand quite well enough to hack on).
-ethan
I know very
little about HDMI/DVI video but I'm wondering how hard it
would be to make an IOB6120 squirt out something DVI-esque (it
normally does VGA out while emulating a terminal for the SBC6120).
There is the question of handshake and all that, so you do need a chip
to handle that for you. You could also buy an adapter:
1 Nov
1 Nov
5:53 p.m.
On Tue, Oct 30, 2012 at 2:13 PM, Francois Dion <francois.dion at gmail.com> wrote:
On Tue, Oct 30, 2012 at 1:41 AM, Ethan Dicks
<ethan.dicks at gmail.com> wrote:
Right.
On Mon, Oct 29, 2012 at 10:35 PM, Francois Dion
<francois.dion at gmail.com> wrote:
The dock has micro hdmi male, and micro usb b male. Or at least, as close as one can get to one:
http://raspberry-python.blogspot.com/2012/10/risc-laptop.html
Which USB and HDMI adapters/cables did you use? This summer I ended up making my micro hdmi to hdmi
cable, but it was hard to solder, with the shields and all and it kept
flickering.
Yeah. I'm good at soldering but I'd rather not wire up a MicroHDMI by hand.
What I _might_ do is to clip off the USB A female end and splice it to
an ordinary USB A male pigtail clipped from an ordinary cable or
keyboard/mouse to make a 1-part USB cable.
So I ordered the micro hdmi female to hdmi male
adapter
from china. The rest I found in the US (my parts bin or the local
computer shop).
Right.
I've posted a bunch of pictures with the proper
nomenclature on all
the adapters and cables:
http://raspberry-python.blogspot.com/2012/10/risc-laptop-cables-cabos.html
Thanks for that. I have one rev 1.1 and one rev 2.0 Pi, so it's
easier to get the power going than with a 1.0 Pi (though I have no
problems doing SMT work to make that change myself).
Cheers,
-ethan
4281
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11 comments
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participants (4)
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ethan.dicks＠gmail.com -
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