I don't know how common place screen rotation is at the driver level, I never heard of it before and I'm pretty sure a huge percentage of `customers` would likely have no clue about how to do it and it certainly doesn't sound like something that is even working correctly in the driver, so there isn't anything blitzmax can likely do to overcome that. I suggest sticking to a non-rotated desktop and then using the projection matrix to allow in-game rotation of everything, that way it will behave perfectly even with a resolution change. That's the approach I am taking.
BMax and monitor rotation.
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