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Problems with Mame and roms

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primetime34:
So I am trying to use Mame....all the roms work through the letter m....from n to z they run very, very slowly...even Pacman.  I have .113 set.  I have tried running it through mamewah and mame32.  The problem is the same.  What are some possible issues?
Could it be that the computer isn't powerful enough?  I don't think it is that since every rom before n works fine
Could my roms be messed up and I need to re-download n-z?

Any other thoughts?  Thanks.

Minwah:

--- Quote from: primetime34 on March 20, 2007, 09:51:28 am ---Could it be that the computer isn't powerful enough?  I don't think it is that since every rom before n works fine

--- End quote ---

Yes it could be.  If they worked OK on an old MAME version it is probably just the changes in MAME (ie the newer the slower, more or less)


--- Quote ---Could my roms be messed up and I need to re-download n-z?

--- End quote ---

Nope, they wouldn't run if the they were bad.

What FPS are you getting?  Hit F11 to get that to display...

primetime34:

--- Quote from: Minwah on March 20, 2007, 10:56:21 am ---
--- Quote from: primetime34 on March 20, 2007, 09:51:28 am ---Could it be that the computer isn't powerful enough?  I don't think it is that since every rom before n works fine

--- End quote ---

Yes it could be.  If they worked OK on an old MAME version it is probably just the changes in MAME (ie the newer the slower, more or less)


--- Quote ---Could my roms be messed up and I need to re-download n-z?

--- End quote ---

Nope, they wouldn't run if the they were bad.

What FPS are you getting?  Hit F11 to get that to display...

--- End quote ---

If it is the computer, why would roms a-m work find but roms n-z not work?    My computer is 1.8 ghz P4 with 256 MB of RAM

My FPS says 33/61.

Thanks.

UPDATE:  2020 Baseball works just fine....Frogger doesn't.  It has nothing to do with the alphabet it seems, just some games work and others don't.  I can't imagine Frogger takes more juice to run than 2020 baseball??!?!?!
2020 Baseball, I Robot, and others run at 59-60 fps while Frogger, Pacman, NBA Jam, Punch-out, and more only run at 32-34 fps.  How do I change that??

Havok:
Try an older version of Mame, most likely you don't have the horsepower to run some of the games (whether they really need it or not)

http://mamedev.org/oldrel.html

primetime34:
Could it be my video driver?  When I turn down my resolution all the way and change color from 32 to 16 bit the performance improves to about 80% fps instead of the 50%.  I'll try that and report back.


UPDATE:  I deleted my driver and used a windows VGA driver...set my resolution to 640x480 and color to 16 bit and the games seem to work fine now.  I will test multiple, but I think that fixed it. 

UPDATE2:  Well Pacman and frogger work, but games like NBA Jam don't.  I found out I have a 32 MB ati video card.  The lower I set the resolution the higher the fps, but only to a point.  Then they don't work anymore.  Is it my video card???  I am trying to install an older version of mame32fx (i want high scores :D) to see if that works.  Thanks.

UPDATE3:  I have solved the problem.  I went into Mame32fx and changed it from Direct3d to Directdraw.  While I can't see the lettering on the inserted screens (like ok to play or video emulation isn't perfect or screens brought up by tab) perfectly, I can see it and the games all work now!!!  This is awesome.  Thank you to everybody for their help.

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