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Post by strizzuth on Sept 21, 2014 12:34:23 GMT -5
I'm sure this has been done before, but I was thinking how convenient it would be to throw together a list of ROMs that emulators tend to choke on or have trouble with for one reason or another. I think this would be a good way to have a sort of "benchmark" for emulators. I know that over time, these issues become more and more ironed out as NES mappers and SNES add-on chips become more well known, but I think it's a better basis for comparison than, say, reading the developer talk about cycle accuracy. Here are a few I know of.
NES: Castlevania III - Though as support for the mapper has become more widespread this really isn't an issue. Still, a good way to check to see if the basics are covered. LaGrange Point - Same as above. If the emulator isn't giving you FM sound, something's off. Final Fantasy - This is a minor point, but there's a graphical effect when relighting a crystal that not all emulators can do. If you see the "beam of light" effect, it's working properly.
SNES: Super Mario RPG - I think there's a compression algorithm here that some emus don't handle properly and causes graphics glitches. Doom - not sure if this is the SuperFX chip or something else because some emulators that handle Star Fox just fine can't handle this one. Speedy Gonzales - Byuu once mentioned that level 6-1 can't be beaten because of a lack of accuracy in most emulators.
Genesis: Virtua Racing - The SVP chip used to generate true 3D graphics isn't always supported, though this is less and less of an issue these days.
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Post by zerker on Sept 21, 2014 16:31:37 GMT -5
I'm just going to list some games I've PERSONALLY had trouble with, and the specific emulator. They probably aren't general issues, but that's all I can really bring to the table ZSNES: Actraiser 2. For some reason, this game just freezes when you start a stage. It's strange. Nestopia: Kabuki Quantum Fighter. Stage 3 (vertical scrolling stage) starts blacking out for no reason making it nearly impossible to finish.
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Deleted
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Post by Deleted on Sept 22, 2014 16:48:31 GMT -5
To this day I still have yet to find a version of Space Channel 5 that works on Chankast.
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Post by zilliont on Sept 22, 2014 16:54:55 GMT -5
I know some:
Game Boy Line:
WayForward's games: They run absurdly slow on most GBC/GBA, and I don't know why. Probably because of the programming magicks they use to make the animation in them so smooth. I've heard that the most recent version of VBA-M fixes this, though.
Iridion 2: The game freezes in a certain point in every single stage, apparently. Might be because of graphical trickery too.
Gunstar Super Heroes: Another system-pushing GBA game, probably the most of the three listed here. VBA (not the game!) freezes at the Seven Force battle, specifically when it transforms into Crossbow Force.
SNES:
SA-1 games, like Kirby's Dreamland 3 and Superstar and Super Mario RPG: All of these games have assorted glitches when run on ZSNES (yeah, I know it's crap, but whatever), most of them causing crashes, lockouts and on-screen garbage. KDL3 in particular likes to teleport you into the level terrain all of a sudden.
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That's all of I can think of for now.
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Post by Weasel on Sept 22, 2014 18:12:32 GMT -5
The Game Boy versions of Klax and Hammerin' Harry, among others: These games use weird tricks to make the Game Boy play digitized sounds, and many emulators (notably Gambatte and TGB Dual, the two GB cores included in Retroarch) cannot handle these tricks, so the game appears to freeze momentarily.
Older SMS emulators had similar problems with Bonanza Bros, as do most Vectrex emulators with Spike (only MESS/UME does it correctly).
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Post by Magma MK-II on Sept 22, 2014 19:24:56 GMT -5
I can't get Higemaru Makaijima to work on FCEU-X, it always freezes when the game boots.
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Post by Deleted on Sept 22, 2014 19:26:05 GMT -5
Akumajou Special: Boku Dracula-kun appears to only work on Fantasia, as well.
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Post by The Great Klaid on Sept 22, 2014 21:11:12 GMT -5
I remember sometime ago SNES9x on PSP couldn't do Tales of Phantasia, because of some puzzle in Volt's area. Something to do with the timing.
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Post by Deleted on Sept 22, 2014 21:20:11 GMT -5
Seems like emulating on a PSP is a little less than ideal to begin with. Everything gets stretched to 16:9, or at least that was my experience with it.
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Post by PooshhMao on Sept 23, 2014 3:00:30 GMT -5
See, the problem is y'all are using these hacky, easy-to-use emulators the author works on for a while and then loses interest, leaving it in limbo.
Use MESS (or UME), and make sure the roms you have are good.
Generally speaking, any cart with add-on chips is bound to cause problems.
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Lord Dalek
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WHY DOES HE HAVE A SECOND/THIRD/FORTH/ETC. FORM?!?!
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Post by Lord Dalek on Sept 23, 2014 8:51:47 GMT -5
English patched versions of the Japanese version of Contra frequently crash at the first cinema or don't even load at all on FCE or Nestopia.
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Post by TheChosen on Sept 23, 2014 9:13:12 GMT -5
English patched versions of the Japanese version of Contra frequently crash at the first cinema or don't even load at all on FCE or Nestopia. Yeah, patching the game with a translation or a hack can mess up the compatibility very quickly. Recent one's I've encountered were the translated Jojo game for SNES (wont work on SNES9X) and translated Shin Megami Tensei (wont work on Zsnes).
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Post by r0ck3rz on Sept 23, 2014 14:55:46 GMT -5
English patched versions of the Japanese version of Contra frequently crash at the first cinema or don't even load at all on FCE or Nestopia. Hmm... I seem to have no problem with it on FCEUX 2.2.2(except that the emu has no good blur filters). It says I'm using the supposedly slow new PPU, so I don't know if that's an issue with the old PPU.
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Post by Magma MK-II on Sept 23, 2014 20:49:27 GMT -5
English patched versions of the Japanese version of Contra frequently crash at the first cinema or don't even load at all on FCE or Nestopia. Yeah, patching the game with a translation or a hack can mess up the compatibility very quickly. Recent one's I've encountered were the translated Jojo game for SNES (wont work on SNES9X) and translated Shin Megami Tensei (wont work on Zsnes). Did you added a header to these games before patching them? Some SNES games require this.
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Post by Weasel on Sept 23, 2014 23:46:00 GMT -5
Shin Megami Tensei has unrelated issues with ZSNES - notably, it will freeze when you finish naming all your characters, due to (I recall) a sound instruction that ZSNES doesn't know how to interpret. SNES9X might work, but BSNES is the only way to guarantee it.
But yes, if you've tried patching a ROM and it results in the game just black-screening and failing checksum on bootup, then the patch probably requires a headered ROM. I recommend getting NSRT to do this (just note that you need to add "headers," not "NSRT headers"). Read the readme included with your patch if it has one, too; your patch might be intended for a different version of the ROM (especially the case with games that have had revised releases).
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