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General / Re: Attract Mode window focus problem - but only with MAME?

« on: August 27, 2017, 03:51:19 AM »

I had the same problem.

What I found was that Mame64.exe was not actually exiting.   It's hanging when it tries to close its main window.    Pressing alt-tab seems to get it "unstuck" and it exits completely.   

AttractMode has some issue when the system wants to redraw the main window, but it's waiting for the emulator to exit.   This manifests as a white screen or a previous display in the Full Screen modes.   The author has made some changes in recent builds to try and address it but it doesn't seem fully fixed.   I strongly suspect this issue is related.

I worked around it by creating a small app that draws a full screen black pop up window, then runs Mame.     The black pop up prevents Attract Mode from trying to redraw itself, which allows Mame to exit without issue.   

Not sure why this just started happening for you out of nowhere though.   Perhaps a windows update or video driver update?     What kind of video card does your system have?   Mine is built in Intel video.

If you bind an exit hotkey in emulator settings for example (num5+num1+left ctrl) it works fine with the resfix.
I think the problem lies with hitting ESC because that's the key to quit mame, but you need to kill mame via Attract-Mode instead.