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| Acmlm's Board - I2 Archive - General Gaming - Improving video quality of Genesis II |
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theclaw Red Cheep-cheep Level: 24  Posts: 162/202 EXP: 69367 For next: 8758 Since: 03-28-04 From: USA Since last post: 21 hours Last activity: 7 min. |
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| Is there some way to do this? It's output isn't pixel perfect like the original NES. I've got a MK-1632 RF box, and MONO composite cable to work with. I also have a spare Genesis unit for practice if soldering or whatever is needed. It'd be nice to make some kind of stereo cable while I'm at it. | |||
Kanji Red Goomba Level: 12  Posts: 40/47 EXP: 7874 For next: 47 Since: 03-15-04 Since last post: 62 days Last activity: 19 days |
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| Hm? What do you mean by "not pixel perfect"? I'm confused... Do other Genesis models (more specifically, the CDX, which is what I have) have this problem? |
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Kasumi-Astra Administrator Level: 62  Posts: 1716/1867 EXP: 1971846 For next: 12840 Since: 03-15-04 From: Reading, UK Uni: Sheffield, UK Since last post: 1 day Last activity: 12 hours |
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| The only thing I can suggest is trying to find a better video lead. I'm not sure what your situation is in the US, but over here I would try to find an old Scart lead that is compatible with the Genesis. The Genesis shouldn't be so young to predate more advanced methods of connecting to TVs. You'd be hard pressed to find a lead on it's own, so your best bet is to look on eBay or try to find a pre-owned Genesis that comes with a better lead. When the third-party RF lead for my Saturn busted, I bought a mint condition Saturn complete with a mint condition Scart lead. |
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theclaw Red Cheep-cheep Level: 24 Posts: 165/202 EXP: 69367 For next: 8758 Since: 03-28-04 From: USA Since last post: 21 hours Last activity: 7 min. |
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| Are you sure you're understanding this topic? Have a look side-by-side at a scene on Genesis, Saturn, Xbox, and an emulator. If you're unable to figure out which picture goes with what system, I'll edit the post or reply on it. Genesis II and Saturn are using stock RF, Xbox using stock composite and all three were taken from the same TV set. The emulator is Gens+ at double size, directdraw, and no filtering. Hint: look at that grass to see what I'm talking about. The Genesis video output is quite bad. http://img.photobucket.com/albums/v54/theclaw/SonicandKnucklesSonic3JUE_000.jpg http://img.photobucket.com/albums/v54/theclaw/sonic3.png http://img.photobucket.com/albums/v54/theclaw/sonic2.png http://img.photobucket.com/albums/v54/theclaw/sonic1.png I'd even go so far as to mod my systems for better images (you can do it with a top-loading NES). If there's no way to improve things, I'll shut up and stick to emulation. |
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Kasumi-Astra Administrator Level: 62 Posts: 1766/1867 EXP: 1971846 For next: 12840 Since: 03-15-04 From: Reading, UK Uni: Sheffield, UK Since last post: 1 day Last activity: 12 hours |
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| I'm going to take a wild guess and say that "Sonic3.jpg" is from the X-Box, as it is siginficantly higher quality than the other two. I'd wager that's because the X-Box is using composite instead of RF. RF is the worst way you can connect your hardware to a television, even if it is using original Sega cables. It's the oldest technology available. My Saturn uses a relatively new SCART connection and I can get a relatively fine picture. Sure, it's not crystal clear as on an emulator, but that's being rendered in pixel perfect form on a monitor. Until HDTV becomes more popular, this is a problem that will stay with the console / TV arrangement. Other than that, I can imagine that the X-Box and the Saturn have more sophisticated imaging hardware than the megadrive. It's got to translate that digital image into an analogue signal that the TV can interpret. Improving this would be extremely difficult, and I've never had a problem with the quality of image produced with any generation of Megadrive or Saturn when using decent cables. If you don't like playing Sonic the way it's always been played, for over a decade, just use an emulator. (edited by Kasumi-Astra on 08-22-05 07:49 PM) |
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LocalH Red Goomba Level: 12  Posts: 28/46 EXP: 7612 For next: 309 Since: 03-17-04 Since last post: 25 days Last activity: 4 days |
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| The Genesis' composite video encoder is shit. In some instances (such as fully saturated colors, especially red), the horizontal resolution seems to be about half that of less-saturated colors such as yellow and white. There are only two ways to get good clean video, comparable to an emulator, out of a Genesis: 1) Use RGB. If you are in the US, RGB is more trouble than it's worth, because few TVs or monitors support RGB, the ones that do are either small and cheap (Commodore 1084-style) or big but expensive (Sony professional video monitors). Also, there is no standard connector, which means you'd either be making your own cables, or paying someone to do it for you. 2) Mod your system for S-Video (or have someone do it for you). This entails substituting a much better video encoder for the one already in the system (some Gen2's have an encoder that is capable of S-Video, but many don't). http://www.oldschoolgamer.ca/information.aspx?SID=14 and http://www.multimods.com/SegaSVid.html are two sites that offer to perform such a modification (on the second one you'll have to manually go back up to the root, there's no "home" link). Needless to say, myself being in the US, I am planning on having my Gen1 modded for S-Video. |
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theclaw Red Cheep-cheep Level: 24 Posts: 173/202 EXP: 69367 For next: 8758 Since: 03-28-04 From: USA Since last post: 21 hours Last activity: 7 min. |
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| Thank you! Finally somebody has the technical know-how to understand just why I was complaining about the system. Guess that makes buying a Genesis 1 not worth my effort. There are very few games for Genesis I liked in the first place, so I'll probably box it up until I've got enough money to fix the video. That second Genesis 2 quit booting a while ago, that's what I meant by spare. There's more in storage as well. Sorry about the whiny tone. It's understandable for an Atari 2600 to not output perfectly, but we're talking over a decade newer technology here. It might be a flaw in my specific unit. I've used various Genesis 1&2 consoles for years and never saw such terrible picture. Anyway, I'll be sure to bookmark those links. What about Genesis 3, Nomad or any others? I've never seen them in use. |
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LocalH Red Goomba Level: 12 Posts: 29/46 EXP: 7612 For next: 309 Since: 03-17-04 Since last post: 25 days Last activity: 4 days |
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| Despite the fact that both the Gen1 and 2 exhibit the chroma issue I mentioned (I assume the Gen3 does too, although I've not seen one in person), I still prefer the Gen1 over the Gen2. Number one, the Super Magic Drive is designed for the casing of the Gen1, so it sits a little loose in the Gen2. Number two, the Gen1's stock video output is a bit brighter, and seems cleaner (for example, the SMD has a medium green background on it's BIOS screen, and that green looks clean on my Gen1, but on my Gen2 I can see a series of vertical lines in the green area). I got the Gen1 with my SMD, and I really didn't know what I was missing. Headphone jack and all that I mentioned above make it the clear winner. Note that my Gen1 is one of the early ones with an EXT port and no TMSS security (license screen). It's very well possible that the later TMSS-encumbered Gen1's may or may not exhibit the same issues as the Gen2. |
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