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Ghosting/Lag with IPAC Controls

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Turnarcades:

The best way is to hook them up to another PC, and go through everything from the start to see if you get the same results. If everything then works fine, you've messed up in some combination of ipac flashed inputs/ipac flashed key maps/mame default keymaps/mame game specific keymaps/windows settings.

It's a ---smurfette--- but with so many points to check it's easy to overlook any single one of these; I've done it before and the whole setup went tits-up. Go back to the drawing board and start from scratch - it's very doubtfully a hardware fault.

DashRendar:

One thing I wondered about is the WinIPAC software.  Not saying it's a problem necessarily, but I wonder if it could be contributing to the problem.

I remapped a few buttons with WinIPAC.  Not sure if this is confusing Windows (especially since I have Multikeyboard set to 1 since I still have a regular keyboard hooked up).

What I might try is to have the buttons mapped to the keys that correlate to them on the IPAC, rather than forcing keystrokes to be other keys.

Regarding the Alt, Tab, Ctrl, Shift keys, those are the ones that I changed with WinIPAC.  I read that those keys can be confusing for Windows (as well as Q and S in MAME), so I changed those keys to other keys.

DashRendar:

I think I might have stumbled on the cause for this glitch with the IPAC.  Putting it up here in case anyone in the future runs into the same problem.

Using the WinIPAC software, I created a custom key mapping that was programmed into the IPAC4.  No big deal, the programming worked, the joystick moves/button presses were putting the right keystrokes into a Wordpad document.

But I'd get that bizarre lag and ghost movements in games when using controls that go through the IPAC.

So I decided to reset the programming to default in WinIPAC.  No problem yet.

Now when I went to program the IPAC with the changes, I saw a message about "Installing driver" from WinIPAC.  During this, my external (UBS-connected) hard drive would disconnect from Windows and reconnect.  The programming would fail.

It seems I have some sort of conflict between my external hard drive (which is where MAME and my ROMs are located) and the IPAC.

The Device Manager doesn't show any conflicts though.  Not quite sure how to work around this, other than ordering a PS/2 cable for the IPAC.

northerngames:

ipacs and mini-pacs are all I have ever used and to be honost the usb gave me trouble's on each and all on all my pc's so I went ps2 and never had any trouble with any of them on any pc.

first thing I would suggest drop the usb and go ps2 and see if it helps becuase its like night and day for me between the ps2 and usb connections.

I use a usb to ps2 converter adapter there cheaper plus if you want to go back to usb you can change it at the pc's side and just unplug it instead of the actual ipac unit itself and have both usb or ps2 option on the same cord.



crisalan44:

I had the same problem only it was with player 1 controls, (very frustrating when you are in the middle of a game and the controls go on their own) I was wondering are you running the games through a front end or straight out of mame?? and if you are running through a front end, does this occur when you run straight from mame?

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