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who's playing Sega STV games at full speed on their cab?

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harveybirdman:

This is probably just a console that I should buy. If nothing else just for the Shining games.

rCadeGaming:

While we're talking about ST-V, let's not forget about Puyo Puyo Sun!

Unfortunately there seem to be a lot of problems with ST-V emulation at the moment.  I've seen similar things where games will run full speed in some portions and not in others. 

Some of these games also change resolutions on the fly too.  Cotton Boomerang, for example, uses low-res progressive during gameplay, but switches to an interlaced mode for higher resolution during the title/attract screens.  GroovyMAME is capable of making these resolution changes on the fly, but with my current setup, the progressive portions run at full speed while the interlaced portions don't at all. 

The worst part is the lag, which seems to be several frames judging from the pause/frame-advance test, and this doesn't include any of the lag from the windows host, controller encoder, etc.  It's a lot worse than most games in MAME.  For shmups like Radiant Silvergun or Cotton, that's a deal breaker right there.  This is a case where we need to verify how much improved this is improved on the Saturn ports (played on real hardware).

Given all of these factors, actual ST-V hardware may be nice to own.  It's kind of an overlooked cartridge based arcade system, and it may be a better choice to buy than a CPS-2 or NEO-GEO, given that those two are already emulated very well in MAME, with minimal input lag.

Then again, maybe this will be fixed in MAME at some point.  Haze, do you think that could be in the foreseeable future, or are the obstacles pretty much permanent?

Fursphere:


--- Quote from: rCadeGaming on November 14, 2013, 08:09:43 pm ---The worst part is the lag, which seems to be several frames judging from the pause/frame-advance test, and this doesn't include any of the lag from v-sync, windows host, controller encoder, etc.  It's a lot worse than most games in MAME.  For shmups like Radiant Silvergun or Cotton, that's a deal breaker right there.  This is a case where we need to verify how much improved this is improved on the Saturn ports (played on real hardware).


--- End quote ---

What lag are you talking about?  I posted my setup above, and I'm not seeing any of these issues.

rCadeGaming:

What have you done to measure it?  At least try the pause/frame-advance method:

http://forum.arcadecontrols.com/index.php?topic=129042.0

"It feels fine to me" is not a valid or useful measurement.

Fursphere:

Ok, I did the test described in the first post on Radiant Silvergun.  Looks like it jumps two frames.   As the OP in that thread pointed out, how do we know this is any different than the original arcade machine?

My point is the game plays as I would expect the original arcade machine to?

Nothing in that threads describes doing this test on an actual arcade machine (if its even possible) and what the results would be if the test was able to be performed.  So.. knowing how MAME responds is useful when comparing one MAME PC to another - but does nothing to tell you if its accurately emulated or not when compared to the original hardware.

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