[Coco] S-video Prospects...

Gene Heskett gene.heskett at verizon.net
Thu Jan 26 16:26:53 EST 2006


On Thursday 26 January 2006 15:06, George Ramsower wrote:
>>> Yep, there's the "missed HSYNC" problem for the first scanline.
>>
>> I think the simplest way to generate a new (earlier) HSYNC  would be
>> to simply use the existing HSYNC pulse to start a timer and when the
>> timer finishes, to generate a pulse. On the next incoming HSYNC,
>> simply reset again.
>>
>> This would make a new HSYNC that starts a bit before the original,
>> and ends
>> right at the moment that the original starts.  That should probably
>> result in shifting the 80 column display about 4 characters to the
>> right.
>>
>>                                         John Kowalski (Sock Master)
>>
>> http://www.axess.com/twilight/sock/
>
> Wouldn't the newly generated sync pulse still arrive after the first
> line? After all, the timer has to have the first one to delay the
> pulse into the next line.

The coco3 puts out seperate syncs, so the hsync is continuous even 
during vsync.  Ergo no problem.

-- 
Cheers, Gene
People having trouble with vz bouncing email to me should add the word
'online' between the 'verizon', and the dot which bypasses vz's
stupid bounce rules.  I do use spamassassin too. :-)
Yahoo.com and AOL/TW attorneys please note, additions to the above
message by Gene Heskett are:
Copyright 2005 by Maurice Eugene Heskett, all rights reserved.



More information about the Coco mailing list