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Author Topic: Demul 0.582 and ArcadeVGA 5000  (Read 759 times)

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Andypc

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Demul 0.582 and ArcadeVGA 5000
« on: February 12, 2014, 09:19:31 pm »
I am getting major slowdown with Demul 0.582. I am running it on a 3.4Ghz I3 and ArcadeVGA 5000 and the CPU is only at about 50% yet I am getting major slowdown. i.e. 15fps on Naomi 1 games! Running the same games on another PC with a 3Ghz C2D and HD6670 and it's running full speed no problem. So I am guessing it got something to do with the ArcadeVGA 5000 which is based on a HD5450 chipset. I am running Street Fighter 4 and PCSX 2 (i.e. Tekken 5 and Virtua Fighter 4) with absolutely no slow down on this PC, so can't understand why Demul is so slow!

Any Idea's?

SegaOutrun

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Re: Demul 0.582 and ArcadeVGA 5000
« Reply #1 on: February 12, 2014, 11:09:54 pm »
demul is completely dependent on your videocard. you need a strong dx11 card if you want play anything perfectly.
« Last Edit: February 12, 2014, 11:11:45 pm by SegaOutrun »

Andypc

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Re: Demul 0.582 and ArcadeVGA 5000
« Reply #2 on: February 13, 2014, 02:24:21 am »
I figured it was GPU limited, but 50% speed for Naomi  1 games on a HD5450  that can run SFIV and PCSX2 no problem?

twistedsymphony

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Re: Demul 0.582 and ArcadeVGA 5000
« Reply #3 on: February 13, 2014, 09:05:41 am »
As I've learned recently Demul is a lot more GPU intensive than Type X2...

remember Type X2 runs natively... Demul is emulated which generally requires 3X the processing power of the original hardware. and that's before you do any fancy upgrades like improved textures and higher resolution.


Andypc

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Re: Demul 0.582 and ArcadeVGA 5000
« Reply #4 on: February 13, 2014, 05:03:13 pm »
I do understand that emulation requires more processing power , but if a HD5450 based direct x 11 graphics card really is the bottleneck then Demul does seem to be over the top in terms or hardware requirements. I am running some of the more demanding PS2 games using PCSX 2 (i.e. Tekken 5 and Virtua Fighter 4) at full speed with no drop in frame rate. I have Nulldc running loads of Dreamcast games and it manages to run full speed on a much lower a spec system. I only really want to use Demul for the Atomiswave games and a few Naomi 1 games that Nulldc  doesn't run. Unfortunately I don't have the option of changing the graphics card in this machine as I am using a 15Khz arcade monitor and the ArcadeVGA is the only option that works with Windows 7. The ArcadeVGA 5000 is the latest version of the card from Ultimarc.

Andypc

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Re: Demul 0.582 and ArcadeVGA 5000
« Reply #5 on: February 13, 2014, 06:33:12 pm »
Just tried Demul 0.57 and it runs full speed with the Direct X 9 plug in, but some games have glitches fixed 0.58. My graphics card is a Direct X 11 card, so why is the Direct X 11 plugin so slow.

  
 

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