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Topics - Cosmic Alien

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ARCADE / Ironman Ivan Stewart's Super Off Road-no Sync
« on: May 10, 2011, 08:04:23 PM »
Hi all
I have on my test rig a Super Off Road pcb and have been making a Jamma adaptor but i notice it uses Cinemat System and the H/V sync signals are separate,can anyone tell me the best way of converting these signals to comp sync for Jamma,i have tried combining both signals in to a 74LS08 without success.
Someone has told me i may need to invert the signals with this system,can anybody confirm this?
thanks -Steve.

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