[Coco] Jammaboard CV-04 for Coco3

[Luis Antoniosi (CoCoDemus)]

Congratulations you just made me buy one on e-bay :P



On Tue, Dec 10, 2013 at 4:50 PM, Steven Hirsch <snhirsch at gmail.com> wrote:
> On Tue, 10 Dec 2013, Luis Antoniosi (CoCoDemus) wrote:
>
>> On Tue, Dec 10, 2013 at 4:00 PM, Steven Hirsch <snhirsch at gmail.com> wrote:
>>>
>>> Samsung 730MW
>>
>>
>>
>> Sure it does RGB 15khz ???
>
>
> Absolutely sure.  When you switch the SCART AV input to the proper mode
> (reads voltages on a couple of lines) it understands R,G,B + combined sync
> at 15.75Khz. (I think PAL also via some detection magic).  It even tolerates
> the Apple 2 variant of NTSC color without too many artifacts.
>
>> You only need a NAND gate on coco3 for
>> hsync and vsync, you can disconnect rgb pin-10 and use it to make your
>> own cable.
>
>
> I have a combiner built up.  Just need to get motivated to dig out
> everything, build some adapters and try it.
>
> Steve
>
>
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>
>
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