I had done an inp for Twin Qix recently, and Mahlemiut mentioned the speed was around 92.7%. This one was made with WolfMAME 102.
What I tried today was to turn off the VSync and use just the Triple Buffering instead. After doing this I noticed the game running without the slowdown (no choppy sound this time etc). It helped also for Darius Gaiden and Recalhorn.
If you're not getting full speed on INPs, this may help.
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