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Joust/ defender. D9200 flashing
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Bones:
I have an identical problem with Joust & Defender on a D9200 running ArcadeVGA. I get a flashing black screen every couple of seconds that begins the moment the rom is launched, and continues throughout game play.

I am using Mame 0.102 and GameEX.

These are the only two roms I have problems with so far. Using a PC monitor I have confirmed everything works fine. Coincidentally (maybe......?), both games have the same Williams boot-up screen although I did notice they are different resolutions.

Been banging my head for a couple of hours and tried quite a few defender.ini video settings but nothing help. Any idea?
markrvp:
Bones:

Try Robotron, Stargate, and Bubbles to see if they exhibit the same behavior.  All of those Williams games ran on the same hardware.
Bones:

--- Quote from: markrvp on January 02, 2006, 11:33:51 am ---Try Robotron, Stargate, and Bubbles to see if they exhibit the same behavior.  All of those Williams games ran on the same hardware.

--- End quote ---
Yep. They all fail to run properly. Same symptoms.
markrvp:
Bones:

I'm running a Betson Multisync with AVGA.  All the Williams games run fine.  I checked Joust and it is set at 288x240 I think.  Have you changed the refresh rate and forced it to 60Hz?
Bones:
I changed the resolution to 60 and the flashing frequency changed but still persisted. I tried 50 and everything came perfect.

In short, thanks for putting me on the right track Mark.  ;)
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