Naomi Emulation- DeMul Help

[starwarsfan54321]

I just started to configure Naomi Emulation for my upcoming cab, and my current problems/ questions are
How to fix pixelation/ blurry characters in games such as Marvel Vs Capcom 2 or Capcom vs SNK
How to Speed up Virtua Fighter 4
What is your recommended video/ audio setting for DeMul 5.6?
What does LLE Mie do?

[ark_ader]

I just started to configure Naomi Emulation for my upcoming cab, and my current problems/ questions are
How to fix pixelation/ blurry characters in games such as Marvel Vs Capcom 2 or Capcom vs SNK
How to Speed up Virtua Fighter 4
What is your recommended video/ audio setting for DeMul 5.6?
What does LLE Mie do?

+1 Me too.  You need a PHD to just get it to show something on the screen.

[codefenix]

How to fix pixelation/ blurry characters in games such as Marvel Vs Capcom 2 or Capcom vs SNK

The characters in those games are supposed to look like that.  They appear pixelated because your graphics card is rendering the backgrounds better than intended, but not the sprites.  Remember that the Dreamcast's resolution was only 640x480, so the sprites were drawn based on that resolution.

[starwarsfan54321]

Here is a picture to explain what I mean
It is not only pixelated but it also is very distorted/ blurry

[Le Chuck]

Well there's your problem

[Le Chuck]

Seriously, that looks like a bad rom dump maybe

[starwarsfan54321]

After further testing, I disabled graphics and sound multithreading, and it looks a lot better, but now the FPS is under 30.
In other trials though, I have gotten Atomiswave games to run near perfectly.

[joeH]

I've seen other posters state that enabling multi-threading leads to graphical problems...I'd recommend leaving it off.  However, you may not have a beefy enough computer to run the game on a single thread (you haven't listed your specs).  I'd also verify a few other things like:

- verifying that it is a good rom rump
- trying a different graphical plugin (If I remember there are 2 or 3 you can toggle between)
- verify that you have a good bios dump to work with

If you can't get anything to work right after experimenting with the above 3, you may have better luck with a different NAOMI emulator. I've gone back and forth between Demul and NullDC, and I think I prefer NullDC a bit better emulation-wise...but for NAOMI (compared to Dreamcast), it's even more of a pain to setup. 

[starwarsfan54321]

The bios dump is good, it can play other Naomi games at full speed ex Crazy Taxi and Capcom Vs Snk works near perfect,
The rom dump i good, it works without multithreading in the older version, but it is extremely slow
I have an intel i5 running on Win7 64 bit home version
How do you properly convert Demul roms to NullDc, I tried to convert, but NullDC refuses to start the game?

[joeH]

Did you try a different graphics plug-in as suggested?  If that does not fix the problem, I'm afraid that I'm probably stumped why one or two games have graphical errors while the others are fine...although you may want to try experimenting with the graphical settings under the PowerVR menu. 

You cannot use Demul rom files on NullDC for NAOMI.  NullDC uses .dat and .lst files (think .bin and .cue) to load.  Basically a NAOMI .gdi file gets dumped then converted to a .bat.  From the .bat info, you can then create a .lst file for startup use by NullDC.  As I said...it's a bit more complicated than just running a rom in Demul. 

[starwarsfan54321]

After disabling graphics threading and changing video plug ins, the picture is near perfect for all of the games I am trying to play, only one problem left, trying to improve speed.

[joeH]

After disabling graphics threading and changing video plug ins, the picture is near perfect for all of the games I am trying to play, only one problem left, trying to improve speed.

Have you tried a different sound plugin?  Also, there are many options to toggle between under the PowerVR menu.  I believe there is a setting on drawing geometry which you can change which will speed up the graphics being drawn on the screen.

[starwarsfan54321]

I haven't been able to find the powerVR settings in Demul, are you sure you weren't talking about NullDC?

[joeH]

I haven't been able to find the powerVR settings in Demul, are you sure you weren't talking about NullDC?

Yep...sorry...been going back and forth between the two of them too much this week.  lol

[adidas1984x]

any updates on speed. i have the same problem with the characters they look crazy but the backgrounds look great.