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Author Topic: The great video standard fiasco of 2015!  (Read 2241 times)

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Offline mark_k

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Re: The great video standard fiasco of 2015!
« on: June 11, 2015, 12:50:44 PM »
Quote from: AmmoJammo;790936
So, why?! whats going on? how is svideo and composite a standard, that apparently some people didn't follow as a standard? :hammer:
The problem is probably that your monitor doesn't accept non-interlaced signals. Technically, standard-compliant NTSC or PAL video has to be interlaced. The signals from a Mega Drive, Amiga, C64, NES, Super NES, PlayStation etc. etc. are not.

It's still disappointing though; you'd think monitor manufacturers would at least test with non-interlaced signals. On some TVs the S-video and composite inputs accept non-interlaced ("240p/288p") video, but the component video input doesn't. You'd also think manufacturers would include some kind of CRT-look mode with scanlines and handle 240p/288p images properly (instead of trying to deinterlace them) but I don't think any do. :(

If you play, say, Sonic 2 on the Mega Drive in two-player mode, that does output interlaced video. Can you get a picture on your monitor then? What about an interlaced Amiga Workbench?
 

Offline mark_k

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Re: The great video standard fiasco of 2015!
« Reply #1 on: June 15, 2015, 05:46:13 PM »
Quote from: AmmoJammo;791063
And to take it further, if I set it so the megadrive reset button resets to the everdrive menu, rather than to the game, I get the menu on the Dell screen, that won't display the everdrive otherwise...

And you guessed it, I can then start and play other non interlaced games... :hammer:
It should be possible to patch the Everdrive menu code so it sets up the display to be interlaced. That way you should be able to play any/all Mega Drive games on the Dell monitor with no need to mess around with starting Sonic 2 every time. You might want to suggest that to the Everdrive developer.