Author Topic: MAME game runs worse through Attract Mode  (Read 1176 times)

AchillesPDX

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MAME game runs worse through Attract Mode
« on: July 28, 2016, 09:43:22 PM »
Pulling my hair out here as I have no idea what's wrong or how to fix it.

First, my setup:
AMD Phenom II X6 1090T (Stock)
AMD Radeon 6870
8GB RAM
Windows 10 Pro 64-bit
Mame0173b_64bit (HiScore, No-Nag, DirectInput)

My problem:
Launching Run And Gun 2 directly from within MAME with HLSL enabled runs beautifully - zero frameskip nets me a rock-solid 100% speed with vsync enabled, and in fast-forward mode it hits like 160% during gameplay.
Launching Run And Gun 2 from within Attract Mode using the same exact version of Mame and settings nets me a garbage 68% speed during gameplay.

Anyone have any idea what the hell is going on and how to fix it? I need to check some of the other games that have been giving me slowdown problems with Attract Mode and test launching them straight from Mame, but this has me concerned - could Attract Mode really be using up that much horsepower while running in the background?

Thanks in advance peeps.

AchillesPDX

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Re: MAME game runs worse through Attract Mode
« Reply #1 on: July 29, 2016, 08:10:23 AM »
Well, after a bit more fiddling, it's not Attract Mode causing the problem - it's running Run And Gun 2 from the command line that causes it. Off to mamedev.org!