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Zebra
MAME Fan
Reged: 09/17/14
Posts: 13
Loc: New York
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Re: 224p vs 240p
04/14/15 09:13 PM


I actually do use crt emu drivers. I installed them first but, for some reason, it didn't generate any 15khz or 24khz modes so I installed soft 15khz as well. Now my custom soft 15khz modes show up on arcade osd as well.

I don't use powerstrip anymore.

Other than groovy mame automatically selecting the closest res, are there any other advantages?

On choosing a resolution for street fighter 2, I have tested 392 x 240, 384 x 240 and 384 x 224. I think the assumption that, you get the same results by selecting a higher resolution and using the monitors v-size and h-size controls to make it fill the screen, is not accurate.

I started using 392 x 240 with my arcade vga because it was the closest res but I was never happy with the results. Street fighter 2 looked "squashed" and there was missing detail. I play on an arcade monitor with a .8mm dot pitch so it should look no different to the original, but it did.

I tested 384 x 240 when I first got soft 15 khz up and running. It looks a little bit better but still not 100%.

I eventually found a working 384 x 224 modeline. I noticed 2 things straight away: the sprites didn't look short anymore and I noticed extra detail. everything looks smoother too.

I am going to take some pics to show the difference. It probably isn't enough to matter to some people but for people who care about detail, the difference is important.

Now that I have the resolution right, I want to figure out the frame rate. The 384 x 224 modeline that I copied is exactly 60hz and I don't understand how to calculate my own modelines yet. With soft 15khz and / crt emu, I should be able to use the exact vertical refresh rate so no need to make everything 60hz.

I am very curious to see if using the exact refresh rate will fix all screen tearing. I have read different opinions in this.

Does anyone know if there is something I can read online about how to calculate custom modelines so I don't have to just copy other people's?







Entire thread
Subject Posted by Posted on
* Disappearing sprites in "Street Fighter II" DaRayu 03/17/14 11:35 PM
. * Re: Disappearing sprites in "Street Fighter II" Zebra  09/29/14 09:48 PM
. * Re: Disappearing sprites in "Street Fighter II" grog  09/29/14 10:22 PM
. * Re: Disappearing sprites in "Street Fighter II" Zebra  02/17/15 05:39 PM
. * Re: Disappearing sprites in "Street Fighter II" grog  02/17/15 10:17 PM
. * Re: Disappearing sprites in "Street Fighter II" Zebra  03/02/15 05:27 AM
. * Re: Disappearing sprites in "Street Fighter II" krick  03/02/15 06:37 AM
. * Re: Disappearing sprites in "Street Fighter II" grog  03/02/15 06:48 AM
. * Re: Disappearing sprites in "Street Fighter II" krick  03/02/15 06:56 AM
. * 224p vs 240p Zebra  04/05/15 10:07 PM
. * Re: 224p vs 240p grog  04/06/15 11:44 PM
. * Re: 224p vs 240p Zebra  04/14/15 09:13 PM
. * Re: 224p vs 240p grog  04/15/15 01:50 AM
. * Re: 224p vs 240p Zebra  04/15/15 08:44 PM
. * Re: 224p vs 240p Calamity  04/15/15 10:51 PM
. * Re: 224p vs 240p Calamity  04/14/15 11:14 PM
. * Re: 224p vs 240p Zebra  04/20/15 09:16 PM
. * Re: 224p vs 240p Calamity  04/21/15 11:18 AM
. * Re: Disappearing sprites in "Street Fighter II" Zebra  03/05/15 05:12 AM
. * Re: Disappearing sprites in "Street Fighter II" grog  03/02/15 06:19 AM
. * Re: Disappearing sprites in "Street Fighter II" Sune  09/29/14 10:06 PM
. * Re: Disappearing sprites in "Street Fighter II" Naoki  03/18/14 02:45 PM
. * Re: Disappearing sprites in "Street Fighter II" grog  03/18/14 12:26 AM
. * Re: Disappearing sprites in "Street Fighter II" DaRayu  03/18/14 12:43 AM
. * Re: Disappearing sprites in "Street Fighter II" grog  03/18/14 01:16 AM
. * Re: Disappearing sprites in "Street Fighter II" SmitdoggAdministrator  03/18/14 02:25 AM
. * Could it be related to lack of "wait states" in emulation? DiodeDude  03/18/14 02:45 AM
. * Re: Could it be related to lack of "wait states" in emulation? SmitdoggAdministrator  03/18/14 02:48 AM
. * Re: Could it be related to lack of "wait states" in emulation? Anonymous  03/18/14 01:20 PM
. * Re: Could it be related to lack of "wait states" in emulation? R. Belmont  03/05/15 10:12 PM
. * Re: Could it be related to lack of "wait states" in emulation? StilettoAdministrator  03/05/15 10:22 PM
. * Re: Could it be related to lack of "wait states" in emulation? DiodeDude  03/05/15 05:42 AM

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