I just noticed that the Si2137 and Si2177 tuners are now marked as factory
special order and Mouser, where they were previously just marked New at
Mouser. So my guess that those parts are a leftover tray with questionable
future availability might be unpleasantly accurate.
I'm still interested
On 2015-06-02 11:47, Mark J. Blair wrote:
After that, you will need something fairly hefty at the start to find the
characteristics of the signal and align the sampling. Then you just need to
track clock drift and adjust a VCXO.
I was wondering whether I could get away with tracking
On Jun 1, 2015, at 17:43, Chris Osborn fozzt...@fozztexx.com wrote:
The color on the hi-res screens looks pretty good, but the vertical lines
through the blocks on the lo-res screens isn’t quite right. The bottom 4
lines of text having color bleeding is normal, even on an Apple color
On Jun 1, 2015, at 17:43, Chris Osborn fozzt...@fozztexx.com wrote:
Do you happen to have an old CRT TV around with composite input that you can
hook up and compare to, just for yourself? I’ve got an Amdek Color I and
Apple IIc Color Composite here that I’ll try to take some sample pictures
On Jun 1, 2015, at 5:24 PM, Mark J. Blair n...@nf6x.net wrote:
I received the $19 composite video to HDMI converter that I ordered from
Amazon, tested it a bit with my Apple //c, and posted pictures of the results
here:
http://www.nf6x.net/2015/06/cheap-hdmi-converter-with-apple-c/
On Jun 1, 2015, at 19:31, Chris Osborn fozzt...@fozztexx.com wrote:
This one looks exactly like yours, but it’s even cheaper! I wonder if it’s
the same?
http://www.amazon.com/dp/B009A6PJKQ
When you get it, we can compare pictures of their innards. Mine has a PCB with
blue soldermask.
On Jun 1, 2015, at 7:03 PM, Mark J. Blair n...@nf6x.net wrote:
Now I'm even more curious about the reports I've heard about having trouble
with video conversion, since the first cheap converter I tried seemed to work
OK with an Apple //c.
Color is always the problem with converters. The
If you do end up building a custom solution, I have a feature request :-)
It would nice if the device was also a frame grabber that could, under
command, snap one or more frames of the legacy video and export it over
USB perhaps.
This would allow us to document operation of legacy software with
On May 26, 2015, at 14:07 , Chris Elmquist chr...@pobox.com wrote:
If you do end up building a custom solution, I have a feature request :-)
It would nice if the device was also a frame grabber that could, under
command, snap one or more frames of the legacy video and export it over
USB
cctalk@classiccmp.org
Sent: Sat, May 23, 2015 9:15 pm
Subject: Re: Monitor wanted (was Re: 8-bit Computer TV Channel Use)
On 05/23/2015 04:24 PM, Eric Smith wrote:
I'd like some of the REAL monitors,
such as an NEC Multisync 3, that
can do VGA *and* NTSC-rate analog RGB. At
some point
There are probably a fair number of TV cards in both ISA and PCI
wandering about, since they're not terribly useful with the advent of
digital TV (and the web).
Has anyone hooked up an ordinary NTSC modulator with one of those and an
8 bit PC that relies on the peculiarities of NTSC chroma
On Sat, May 23, 2015 at 9:36 AM, Fred Cisin ci...@xenosoft.com wrote:
Would you like some of the REAL monitors? They will do all sorts of bizarre
I'd like some of the REAL monitors, such as an NEC Multisync 3, that
can do VGA *and* NTSC-rate analog RGB. At some point the monitor
companies
On May 23, 2015, at 8:24 AM, Mark J. Blair n...@nf6x.net wrote:
In the middle will be some FPGA to perform any necessary magic. I've been
looking at a prohibitively expensive ($115) one that has enough dual-port RAM
blocks to support a frame buffer.
Are you on the CoCo mailing list? Have
On 2015-05-23 09:59, Jochen Kunz wrote:
Advantage:
- No obscure FPGA magic needed.
Disadvantage:
- No obscure FPGA magic needed.
?
;-)
The output of a single-chip tuner might also be at IF. The Maxim part (which
I will not use) outputs at 36 MHz, I
think. Can't tell the output of the SiLabs part without more info. Hopefully
it's either baseband or a lower IF
36MHz does sound like the standard TV IF frequency.
On Sat, 23 May 2015, Mark J. Blair wrote:
On May 23, 2015, at 10:28, Steven Hirsch snhir...@gmail.com wrote:
On Sat, 23 May 2015, Chris Osborn wrote:
I own one of just about every commercially available (and hobby)
converters and precisely none of them provides a universal solution.
On May 23, 2015, at 12:05 PM, Steven Hirsch snhir...@gmail.com wrote:
That really surprises me. Mine was utterly unusable with the IIGS. The
desktop (and all icons, folders, etc.) had distinct vertical bands through
them. Also, lots of dot-crawl at sharp edges from what I recall.
I
On May 23, 2015, at 10:28, Steven Hirsch snhir...@gmail.com wrote:
On Sat, 23 May 2015, Chris Osborn wrote:
On May 23, 2015, at 8:24 AM, Mark J. Blair n...@nf6x.net wrote:
In the middle will be some FPGA to perform any necessary magic. I've been
looking at a prohibitively expensive
On Sat, 23 May 2015, Chris Osborn wrote:
The GBS-8200/8220 doesn’t support composite input, only RGB. I’ve used
the board on quite a few of my computers that output RGB and it works
fine. I’ve even got a couple of blog posts:
ZX Spectrum 128:
On May 22, 2015, at 9:26 AM, Mark J. Blair n...@nf6x.net wrote:
I've ordered a $15 composite to HDMI converter from Amazon to try out for
myself with my Apple IIe and IIc. I'd also like to try out my Color Computers
with a modern monitor to see if the color aliasing used by some games can
On Fri, 22 May 2015, Chris Osborn wrote:
Heh, I have a few already. :-) I’ve even got one of those funny
looking ones that has knobs on it. With VHF UHF dials. And fine
tuning. And only screw terminals on the back, none of those fancy
RCA/phono jack connectors on it.
A little over half a
Yes, video is tricky. I've just had an experience which emphasizes the
topic under discussion.
The main problems stem from the fact that these computers output anything
but broadcast-standard video. In some cases it was because they were built
to a price and it was 'what can we get away with'.
On May 22, 2015, at 1:31 PM, Chuck Guzis ccl...@sydex.com wrote:
Do you have anything like Freecycle in your area? Usually, if you say you're
looking for an old-style TV, people will jump at the chance to give away the
old sets.
Heh, I have a few already. :-) I’ve even got one of those
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