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help! downloaded mame on new pc and background is.....

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help! downloaded mame on new pc and background is flashing! normally, the whole entire background is black but now i see my desktop and its icons behind and they are flashing like it is going crazy. the game, is perfectly fine (it coud be fulscreen) but i dont know what the hell is wrong. someone please help!!!

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Do you have the old Google Desktop side bar running on your PC? It overrides the display and will flash when it updates the sidebar. I presume an RSS reader or other desktop gadget might do the same.

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I removed the google desktop entirely after you suggested there might be a problem. but it still does it. it will not go in full screen and the bottom half of my desktop appears underneath it and is flickering still. i dont understand, it was perfectly find on my other comp and lap top. sadly, i cant use them because theres no hdmi port which i want to used on my new flat screen tv!

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I wonder if this has something to do with how mame's rendering engine puts stuff on the screen. You might want to go through the docs or config file and see what options your version supports. Experiment with things like these, one at a time:

 

double buffering

tripple buffering

opengl

d3d

blit and flip (local policies for how your graphics card pushes stuff around in the framebuffer)

 

Look there first!

MAME.INI

.

.

.

#
# WINDOWS VIDEO OPTIONS
#
video d3d
numscreens 1
window 0
maximize 1
keepaspect 1
prescale 1
waitvsync 0
syncrefresh 0
menu 0

 

#
# DIRECTDRAW-SPECIFIC OPTIONS
#
hwstretch 1

#
# DIRECT3D-SPECIFIC OPTIONS
#
d3dversion 9
filter 1

 

#
# FULL SCREEN OPTIONS
#
triplebuffer 0
switchres 0
full_screen_brightness 1.0
full_screen_contrast 1.0
full_screen_gamma 1.0
.

.

.

Not saying these options are workable on your system, they work on my rig. But this is the general area I'd poke around in trying to troubleshoot a problem like so. And of course your videocard control panel might have something.

 

ADDED:

What is your graphics chip?

Edited by Keatah

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On a clean Windows 7/8 system it's useful to run the DirectX End User Installer, because those OSes don't come with a complete install of DirectX 9, which MAME and many PC games still use. (MAME will start using D3D11 later this year on Vista/7/8/10).

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