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Ghosting/Lag with IPAC Controls
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stevodevo:
Sorry to resurrect this.  I haven't been on this forum for years since my Astrocade has been working with no problems up til this weekend.  Had some family in and was playing the cade when I noticed the same issues that have been mentioned in this thread.

Did you ever confirm that PS/2 helped resolve your issue with the lag?

I have the WinIPAC2 which is awesome btw and it's been flawless even recently up til now.  Running MAME through MAMEWAH frontend player 1 and 2 controls were both lagging really really badly.  I tried running through winMAME directly and noticed little to no improvement.  Ran neoMAME and it was much better but still seemed like keypresses were buffering up and being processed very slowly after a few minutes of gaming.

Running the test from winIPAC control panel shows all keys mapping fine and no lag (although I did notice that every once in a while I could get the L-CTL key to show as R-CTL in the key test???)

Again sorry for Frankensteining this thread but it came up first in my google search for the issue...
AndyWarne:
The first thing to do is test the controls outside of Mame so you can narrow down the problem. The keyboard test from www.passmark.com is very good for this.

If you find its a problem in this test (unlikely) then drop me an email and we can try to troubleshoot. If the test is OK, then I can still help but by all means seek help here also for a generic Mame/PC issue.

You could also try running the keyboard test with everything else running (eg Mame) in case something is causing the PC to be too busy to poll the input devices at the correct rate. Then quit tasks to find out what is causing this.
stevodevo:
Thanks Andy,  I've downloaded that keyboard test and will certainly give it a try.  I also noticed there was newer IPAC software on your website so I'll install that too as well as trying the PS/2 route that's been mentioned.

IIRC this has happened before but usually it 'went away' if I rebooted.  Hopefully with a little more diagnosis I can nail this down.

Thanks again.
stevodevo:
 :dunno Again I'm coming back to this old thread since Andy responded last time...

First I installed the latest Ipac software and reflashed the Ipac with it.  I had hooked up the Ipac (usb) with a PS/2 adapter.  Playing with the Ipac attached I noticed the same problem with inputs.  Then I tried playing the same game using just the standard PS/2 keyboard and it played fine.

I installed the keytest program and of course there were no (major) issues recognizing keypresses from the Ipac.  I did notice 2 keys seemed to give multiple presses and one key only registered on the 'up' but that's probably my wiring or a microswitch imo.

I hadn't come back to this thread before I did these tests so I will try running Mame in the background and *then* running the keytest program with the Ipac.  So far though it seems that it's not Mame since it performs correctly with just the PS/2 keyboard.

Updates to follow...
AndyWarne:

--- Quote from: stevodevo on March 29, 2011, 11:39:05 am ---  I had hooked up the Ipac (usb) with a PS/2 adapter. 
--- End quote ---

Need to clarify this, as I am not sure how you have it hooked up. It will be much easier if you could drop me an email, andy@ultimarc.com

Andy
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