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Originally Posted by RRS
[sdl]
fulldouble = true | false
Shouldn't that speed things up, I mean redrawing? Why is it off by default? In what circumstances we'd get benefit from turning it on?
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It doesn't speed things up, far as I could tell. What you get from it is increased smoothness of animations for the price of speed. (can help with screen "tearing" issues, if you experience them)
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output = surface | overlay | opengl | openglnb | ddraw
My favorite mystery. Theoretically it can be a way to speed up demanding games (like those running in hi-res), but wrong settings can always mess things up.
Surface is software only, right? And overlay uses hardware? OpenGL introduced aspect ratio problems on my system, maybe it's just different video mode for which I'd need to configure my screen, or maybe opengl poorly handles low resolutions? I always run games in their native res., as I hate blurry scaling that only slows things.
Which mode is the fastest? which one is recommended for hi-res games?
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What I know is that surface is the slowest. DDraw uses some blurry scaling, but is the fastest. Overlay looks the same as surface, but does not experience screen refresh issues that may occur with some games/animations (eg the CD version of Flashback) That's also the optimum one for the most part.
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[cpu]
core = simple | normal| full | dynamic | auto
I get that if the game uses DOS extender like DOS4GW or DOS32A it's preferred to run it using dynamic mode (if auto fails)? Because it's for the protected mode right?
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IIRC something was mentioned about the dynamic mode interpreting the CPU commands instead of emulating a CPU. Might be wrong on that.