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05-04-22 11:59:10 AM
Jul - Gaming - Retro-gaming woes against HD screens New poll - New thread - New reply
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Hiryuu

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Posted on 04-21-09 08:00:16 PM (last edited by Sakura at 04-21-09 05:01 PM) Link | Quote
Although this is really nothing new this little story has been pretty popular today.

Basically shows the difference between how an old game will render in a CRT and how it will in an LCD/Plasma. LCD/Plasma fails.

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Posted on 04-21-09 08:02:42 PM Link | Quote



Yeah, once I get an HDTV, I'm keeping our old CRT for old school gaming.

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Hiryuu

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Posted on 04-21-09 08:03:21 PM Link | Quote
Well the thing is...Wii and VC?

Heh?

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Xkeeper

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Posted on 04-21-09 09:25:57 PM Link | Quote
"Over at the NFG Forums, there is a fantastic explanation up giving the technical drill down on exactly what is going on when your HDTV tries to render Super Mario Bros or any other 18 or 16-bit game."



Honestly, old news. Anybody who's run a LCD monitor at anything below the max resolution could tell you that.

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Posted on 04-22-09 12:11:25 AM Link | Quote
Originally posted by Sakura
Well the thing is...Wii and VC?

Heh?

When at home, my systems are normally connected to our old CRT in the basement so I've never noticed this much before. Makes me curious about what it would look like to hook my SNES to my LCD TV.

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Posted on 04-22-09 02:37:14 AM Link | Quote
Originally posted by Xkeeper
Anybody who's run a LCD monitor at anything below the max resolution could tell you that.


My school does this on every monitor. There's a way to change it, though, which I do when I can...

I don't think I'll ever own an LCD television though. It just doesn't seem worth it.


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paulguy

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Posted on 04-22-09 03:34:29 AM (last edited by paulguy at 04-22-09 01:13 AM) Link | Quote
http://paulguy.co.uk/AtariHD.jpg

EDIT: I dunno, I find it silly to try to complain about resampling and filtering and LCDs and all that. Most CRTs I used looked pretty miserably, muddling up a lot of fine details that I didn't notice until I played the game later on in an emulator. If you have a CRT and prefer it, use it, but some people really go out of their way to simulate/recreate that crap. I'm a full supporter of bilinear filtering in emulators. I lean back enough where it doesn't matter. I do kinda like filters that well do a nearest resample to the largest integer scale factor, then bilinear up from that, though. keeps the details but prevents the uneven pixels problem. It's not an option in most emulators that I've seen, sadly.
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Posted on 04-22-09 04:54:04 AM (last edited by Joe at 04-22-09 01:57 AM) Link | Quote
I've compared an NES on a reasonable (but old) CRT and a 1080p LCD.

The CRT works perfectly with the progressive-scan video. The lines (which usually seem to move slowly up or down) don't appear to be moving. It also filters out typical NTSC artifacts very well, but this filtering adds horizontal pixel boundaries. (The effect is most obvious in underground levels of SMB3, where the background is a few single red pixels on black. Most of the red dots will be bright and a few will be dim at first, and after scrolling, the brightness reverses.)

The LCD... Where do I start... Well, firstly, it doesn't support progressive NTSC. Instead, it tries to interlace the video signal and work from there. The end result is horrible flickering around everything moving. (In sidescrollers like the Mario games, this is often the entire screen.) It has horrible filtering that forms diagonal lines out of the chroma boundaries. These add to the flashing mush. The end result, after interpolation (to reduce flicker?) and scaling, is anything but HD. The combined effects of all of the interpolation reduces the effective resolution to somewhere around 100 pixels in either direction.


In short: The CRT is best.

Edit:
Originally posted by paulguy
Most CRTs I used looked pretty miserably, muddling up a lot of fine details that I didn't notice until I played the game later on in an emulator.
Maybe I'm just lucky. The one I used looked almost exactly like an emulator.

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Posted on 04-22-09 08:47:14 PM Link | Quote
The problem is, the games weren't meant to be perfectly crisp. Odds are, if you have a TV that's displaying them exactly like the emulators would, your TV is showing them wrong--designers were well aware of the limitations they were working under and would exploit them to the fullest.

Compare (yes, I know, Genesis, but same difference):

On the left one, take special note of the lovely pixellated clouds and hideous bridge dithering, both of which turn into an actually nice-looking effect when blurred horizontally as an oldschool RF-modulated (or even composite video) hookup would do.

(Image on the right was created by Kega Fusion's TV Mode (CVBS) setting, so may not perfectly replicate the actual effect, but I can say from experience that it is reasonably close.)
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Posted on 04-22-09 09:25:39 PM Link | Quote

Most CRTs I used looked pretty miserably, muddling up a lot of fine details that I didn't notice until I played the game later on in an emulator.

That may have just been NTSC, which can look pretty awful in some circumstances.

Skreeny: The Genesis blurred horizontal lines, yes, which is why that dithering style is used so often.


As a sidenote, if you want to see an interesting NTSC effect, try playing 1-1 and 6-3 of Super Mario Bros. and take a look at the flagpoles

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Posted on 04-22-09 11:25:44 PM Link | Quote
Originally posted by Xkeeper
As a sidenote, if you want to see an interesting NTSC effect, try playing 1-1 and 6-3 of Super Mario Bros. and take a look at the flagpoles
It's one of the most noticeable differences between this TV and an emulator.

The overscan is really annoying.

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Posted on 04-30-09 06:07:02 AM Link | Quote
Jul Mosts 2009
My biggest beef with HDTVs isn't the quality, it's the display lag. All the ones I've ever tried (granted, only a handful) had up to a quarter of a second delay between button press and on-screen action, which made fast-paced games like overhead shooters virtually unplayable.

I'm kinda out of the loop when it comes to HD technology, though, so maybe this isn't an issue with recent models...?

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Posted on 04-30-09 06:09:13 AM Link | Quote
It's an issue with LCD technology in general, although depending on the screens you get it can be better or worse.

It's why some ultra-hardcore FPS players buy up CRT screens.
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