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i am a bit confused, because an optimization i am pursuing in 486quake is making things slower in dosbox

there is a special case under which a different version of a drawing function can be used. i have a toggle that lets me switch, at runtime, whether it calls the normal version or the special-case version of the function when the special case is detected

the only difference between the regular version and the special-case version is that the special-case version *doesn't* have to do some math that the regular version does. and so that math is removed

and yet for some reason the special-case version takes longer