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Re: AppleColor RGB lines
- Subject: Re: AppleColor RGB lines
- From: Michael J. Mahon <mjmahon@aol.com>
- Date: Sun, 24 Apr 2011 01:54:23 -0500
- Newsgroups: comp.sys.apple2
- References: <ip0dfd$llj$1@dont-email.me>
- User-agent: NewsTap/3.2 (iPhone/iPod Touch)
- Xref: g2news2.google.com comp.sys.apple2:23364
"Christopher G. Mason" <cgm1@my-deja.com> wrote:
> On 4/23/2011 3:17 AM, Michael J. Mahon wrote:
>> While there are good reasons to want a VGA solution, the best results with
>> the least fiddling will always be converting 15kHz RGB to 15kHz YCrCb
>> (component video).
>>
>> This is purely a real-time (no storage) analog (video opamps) solution. It
>> has been published at least once, and should, with today's ICs, be both
>> cheap and low-powered.
>>
>> I'm surprised that video gamers haven't made it more popular.
>>
>> -michael - NadaNet 3.1: http://home.comcast.net/~mjmahon
>
> A commonly available solution thats popular with gamers DOES exist:
> <http://cgi.ebay.com/220698773448>
>
> That same box is commonly sold worldwide as the Cypress CSY-2100.
This looks like an excellent solution.
> If you have a HDTV with HDMI, this box will work as well:
> <http://cgi.ebay.com/140531685637>
This involves much more "conversion", in particular, sampling. Any failure
to lock to either of the IIgs dot clocks (14.3MHz and 16MHz) could cause
annoying artifacts.
-michael - NadaNet 3.1: http://home.comcast.net/~mjmahon