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GP-Wiz40 Lag?

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Smiley Massacre:

So I finally have my control panel wired and ready to test out, using 2 GP-Wiz40 interfaces, and I noticed that when playing certain games there is quite a but of lag.  It is very noticeable when playing games like Galaga and Ms. Pacman using MAME32.  Has anyone else dealt with lag issues before, and if so what are the common ways to troubleshoot this issue?

RandyT:

There is no lag with the GP-Wiz interface, so it sounds like a software issue of some sort.  If it had anything to do with the interface, all games would exhibit the same issue. 

Another possibility, based on the titles you mentioned, is that reaction time is slowed by a long throw in the joystick.  One final possibility, and one which would also affect all games, is the use of an LCD TV for a monitor.  Some of these have image processing hardware which can delay the output to the screen considerably.  If you are using this type of display, check the menus for a "game" mode, or the option to turn off image processing.

Smiley Massacre:


--- Quote from: RandyT on February 11, 2014, 11:41:08 pm ---There is no lag with the GP-Wiz interface, so it sounds like a software issue of some sort.  If it had anything to do with the interface, all games would exhibit the same issue. 

Another possibility, based on the titles you mentioned, is that reaction time is slowed by a long throw in the joystick.  One final possibility, and one which would also affect all games, is the use of an LCD TV for a monitor.  Some of these have image processing hardware which can delay the output to the screen considerably.  If you are using this type of display, check the menus for a "game" mode, or the option to turn off image processing.

--- End quote ---

You are correct about it being the games and not the hardware.  I am currently using Hyperspin as my frontend, and ran MameUI32 within it, which then made me think it was Hyperspin giving me the issue.  I then tested MameUI32 on its own, and still getting the same results with a lag.

Also, I am running it on an LCD TV, but will try it on my CRT TV too, as well as turning off image processing and will see how that goes.

And thank you very much for everything Randy!  Received all of the goodies you sent and am very pleased with the quality of your products.

Slippyblade:


--- Quote from: Smiley Massacre on February 12, 2014, 12:14:21 am ---
You are correct about it being the games and not the hardware.  I am currently using Hyperspin as my frontend, and ran MameUI32 within it, which then made me think it was Hyperspin giving me the issue.  I then tested MameUI32 on its own, and still getting the same results with a lag.

Also, I am running it on an LCD TV, but will try it on my CRT TV too, as well as turning off image processing and will see how that goes.

And thank you very much for everything Randy!  Received all of the goodies you sent and am very pleased with the quality of your products.

--- End quote ---

I see this a lot and it confuses the heck out of me every time.  Why wold you use a frontend(hyperspin) to launch another frontend(MAMEUI32)?  If you are going to use Hyperspin or any other frontend, use vanilla command line MAME.

Smiley Massacre:


--- Quote from: Slippyblade on February 12, 2014, 01:09:29 am ---I see this a lot and it confuses the heck out of me every time.  Why wold you use a frontend(hyperspin) to launch another frontend(MAMEUI32)?  If you are going to use Hyperspin or any other frontend, use vanilla command line MAME.

--- End quote ---

I agree with you, I just need to better familiarize myself with the standard MAME more, because I have always used MameUI32 in the past.  I know it's not difficult, just need to find the time to sit down and set it up.

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