22 Jan
2010
22 Jan
'10
1:10 p.m.
Hi all,
as we had the thread before about good LCD panels which would work on
our old machines, I thought of a different approach :
Why not use the semi-standard good quality lcd panels with 1600x1200
(4:3) format, and use some flicker/fixer scan doubler as converter ?
Is there actually one, which would really work ?
I mean, from the old 512x256 resolutions up to the 1024x768 would scale
up nicely, accepts BNC, SOG, and whatever we else use on our lovely boxes ?
Cheers
22 Jan
22 Jan
2:23 p.m.
Is there actually one, which would really work ?
I mean, from the old 512x256 resolutions up to the 1024x768 would scale up
nicely, accepts BNC, SOG, and whatever we else use on our lovely boxes ?
There are cheap ones on www.dealextreme.com
2:51 p.m.
Alexandre Souza - Listas wrote:
Sorry, didn't find anything there which accepts BNC & SOG ...
and up to 1024x768 ...
Is there
actually one, which would really work ?
I mean, from the old 512x256 resolutions up to the 1024x768 would
scale up nicely, accepts BNC, SOG, and whatever we else use on our
lovely boxes ?
There are cheap ones on www.dealextreme.com
4:17 p.m.
There are
cheap ones on www.dealextreme.com
Sorry, didn't find anything there which
accepts BNC & SOG ...
and up to 1024x768 ... 
2:49 p.m.
On Fri, 22 Jan 2010, e.stiebler wrote:
as we had the thread before about good LCD panels
which would work on our old
machines, I thought of a different approach :
Why not use the semi-standard good quality lcd panels with 1600x1200 (4:3)
format, and use some flicker/fixer scan doubler as converter ?
Is there actually one, which would really work ?
I mean, from the old 512x256 resolutions up to the 1024x768 would scale up
nicely, accepts BNC, SOG, and whatever we else use on our lovely boxes ?
Some thoughts on this. Off the top of my head, I have the following
requirments; 1280x1024, 640x480 (VGA, Amiga 3000, Atari TT030), and NTSC
(8-bit computers and various video game systems).
Another thought is this. Are 1600x1200 (4:3) LCD panels available new? All
I see now are widescreen monitors. I should have purchased a 1280x1024
panel when they were easily available, but didn't, and I would need one that
would work with both Sun and SGI.
If I was smart, I'd simply remove the need, and am leaning more and more to
doing just that.
Zane
3:09 p.m.
Zane H. Healy wrote:
Some thoughts on this. Off the top of my head, I have
the following
requirments; 1280x1024, 640x480 (VGA, Amiga 3000, Atari TT030), and NTSC
(8-bit computers and various video game systems).
And some HP 9000, some DEC Vaxstations, and some ...
Another thought is this. Are 1600x1200 (4:3) LCD
panels available new?
Just checked. Newegg offers 54 different models which are NOT widescreen.
2 models 1024x768
43 models 1280x1024 (that should be actually sufficient for our needs,
right ?)
8 models 1600x1200
All
I see now are widescreen monitors.
If I was smart, I'd simply remove the need, and am
leaning more and more to
doing just that.
;-)
Cheers
6:13 p.m.
On Fri, 22 Jan 2010, Zane H. Healy wrote:
I've had great results from the Highway 100 scan converter. It's a bit
pricey, but produces a rock-solid scan-doubled image from my Amiga 2000 in
interlaced 640x480 mode. It even supports the somewhat (well, very)
oddball color output from an Apple IIgs.
I mean, from
the old 512x256 resolutions up to the 1024x768 would scale up
nicely, accepts BNC, SOG, and whatever we else use on our lovely boxes ?
Some thoughts on this. Off the top of my head, I have the following
requirments; 1280x1024, 640x480 (VGA, Amiga 3000, Atari TT030), and NTSC
(8-bit computers and various video game systems). Another thought is this. Are 1600x1200 (4:3) LCD
panels available new? All
I see now are widescreen monitors. I should have purchased a 1280x1024
panel when they were easily available, but didn't, and I would need one that
would work with both Sun and SGI.
Unfortunately, 4:3 LCD displays in sizes much above 17" are simply not
manufactured anymore. The vendors have decided that all anyone wants to
do on a computer is watch video content, I guess. Probably need to watch
eBay.
Steve
--
23 Jan
23 Jan
12:57 p.m.
On 22 Jan 2010 at 18:13, Steven Hirsch wrote:
> Unfortunately, 4:3 LCD displays in sizes much
above 17" are simply
not
manufactured anymore. The vendors have decided that
all anyone wants
to do on a computer is watch video content, I guess. Probably need to
watch eBay.
Unfortunately, the whole affair is a ripoff of epic proportions. Put
a 20" 4:3 display next to a 22" wide-screen display and the 4:3 model
looks positively gigantic. Since screen size is measured by the
diagonal, making the screen wider than high drastically inflates that
number. A screen that's 5 inches tall by 19.5 inches wide is a 20"
display.
You can still get 4:3 displays; see the NEC LCD195VX+ for example.
NEC also sells color-corrected displays in 4:3 format, such as the
LCD2090UXi-BK-SV.
You're probably not going to find these at your local Wally's World.
--Chuck
3:30 p.m.
On 1/22/2010 5:13 PM, Steven Hirsch wrote:
I've had great results from the Highway 100 scan
converter. It's a bit
pricey, but produces a rock-solid scan-doubled image from my Amiga 2000
in interlaced 640x480 mode. It even supports the somewhat (well, very)
oddball color output from an Apple IIgs.
Where can I find more information on this converter? I have a need for
analog capture of an Apple IIGS at highest quality. A cursory google of
"highway 100 converter" was not helpful...
--
Jim Leonard (trixter at oldskool.org) http://www.oldskool.org/
Help our electronic games project: http://www.mobygames.com/
Or check out some trippy MindCandy at http://www.mindcandydvd.com/
A child borne of the home computer wars: http://trixter.wordpress.com/
5:37 p.m.
I've had great results from the Highway 100 scan
converter. It's a bit
pricey, but produces a rock-solid scan-doubled image from my Amiga 2000 in
interlaced 640x480 mode. It even supports the somewhat (well, very)
oddball color output from an Apple IIgs.
Steve, is this the one you're talking about?
http://www.converters.tv/products/pal_to_vga/100.html
--
------------------------------------ personal: http://www.cameronkaiser.com/ --
Cameron Kaiser * Floodgap Systems * www.floodgap.com * ckaiser at floodgap.com
-- The cost of living has not adversely affected its popularity. --------------
9:28 p.m.
On Sat, 23 Jan 2010, Cameron Kaiser wrote:
Yes, that's the one. I run into the RGB input. I actually think that it
can handle NTSC composite input as well, but have never tried it.
Steve
--
I've had
great results from the Highway 100 scan converter. It's a bit
pricey, but produces a rock-solid scan-doubled image from my Amiga 2000 in
interlaced 640x480 mode. It even supports the somewhat (well, very)
oddball color output from an Apple IIgs.
Steve, is this the one you're talking about?
http://www.converters.tv/products/pal_to_vga/100.html
24 Jan
24 Jan
12:19 p.m.
I've had great results from the Highway 100 scan
converter. It's a bit
pricey, but produces a rock-solid scan-doubled image from my Amiga 2000 in
interlaced 640x480 mode. It even supports the somewhat (well, very)
oddball color output from an Apple IIgs.
Steve, is this the one you're talking about?
http://www.converters.tv/products/pal_to_vga/100.html
25 Jan
25 Jan
7:25 a.m.
On Sun, 24 Jan 2010, Cameron Kaiser wrote:
Yes, that's the one. I run into the RGB input. I actually think that it
can handle NTSC composite input as well, but have never tried it.
How do you have it connected to the IIgs? What pins do you have where?
Thusly:
http://vintageware.orconhosting.net.nz/apple2/scart.html
You may need to expirement a bit with the sync. I got my best results
using the pinouts at the above web page (IIgs composite sync output).
Others have reported that using the IIgs composite _video_ output produced
a clearly display. So, best to assemble things at the computer end to
permit this to be switched.
The function-select and RGB control voltages are derived by using series
resistors from the IIgs +12V out. That's probably fine for
function-select, since it wants 9-12v for "AV" mode, but for RGB control
it relies on the internal impedence to provide the bottom leg of a voltage
divider. It works (shrug), but isn't a terribly elegant approach.
The only visual artifacts in my case were some very fine vertical lines.
I don't find them very obtrusive, but YMMV. Folks on comp.sys.apple2 have
suggested that low-pass filters in the video signal lines might help.
Never tried it.
You can peruse many threads of discussion on the issue of IIgs video
conversion by using Google Groups to search the csa2 archives.
Steve
--
I've had
great results from the Highway 100 scan converter. It's a bit
pricey, but produces a rock-solid scan-doubled image from my Amiga 2000 in
interlaced 640x480 mode. It even supports the somewhat (well, very)
oddball color output from an Apple IIgs.
Steve, is this the one you're talking about?
http://www.converters.tv/products/pal_to_vga/100.html
23 Jan
23 Jan
1:20 a.m.
On 1/22/2010 1:49 PM, Zane H. Healy wrote:
Some thoughts on this. Off the top of my head, I have the following
requirments; 1280x1024, 640x480 (VGA, Amiga 3000, Atari TT030), and NTSC
(8-bit computers and various video game systems).
NTSC input on LCD monitors is usually filtered a LOT (for noise) and
results in a 1-2 frame delay and is usually not able to be turned off.
There are a small set of scan converters that take analog input and
simulate what it's supposed to look like via digital output (ie.
simulating scanlines). The market for these are early game systems
(NES, genesis, etc.) but I have been pleased with the results for my
classic computers as well. Here is a page dedicated to discussing them:
http://retrogaming.hazard-city.de/
Another thought is this. Are 1600x1200 (4:3) LCD
panels available new? All
Not for much longer, but that's not a problem: I have a 1920x1200 panel
and it is a simple matter to tell the monitor to preserve aspect ratio.
I have taken 800x600 input and displayed it perfectly 4:3 centered in
a 1600x1200 area. Identical display to a 1600x1200 monitor.
--
Jim Leonard (trixter at oldskool.org) http://www.oldskool.org/
Help our electronic games project: http://www.mobygames.com/
Or check out some trippy MindCandy at http://www.mindcandydvd.com/
A child borne of the home computer wars: http://trixter.wordpress.com/
1:26 a.m.
On 1/23/2010 12:20 AM, Jim Leonard wrote:
Not for much longer, but that's not a problem: I
have a 1920x1200 panel
and it is a simple matter to tell the monitor to preserve aspect ratio.
I have taken 800x600 input and displayed it perfectly 4:3 centered in a
1600x1200 area. Identical display to a 1600x1200 monitor.
I meant to make clear that my 800x600 input was doubled nicely to
1600x1200, not a tiny window centered, nor fullscreen-stretched to the
full 16:9 1920x1200. In other words, it does the correct thing.
--
Jim Leonard (trixter at oldskool.org) http://www.oldskool.org/
Help our electronic games project: http://www.mobygames.com/
Or check out some trippy MindCandy at http://www.mindcandydvd.com/
A child borne of the home computer wars: http://trixter.wordpress.com/
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