How do you turn OFF masking?

BlitzMax Forums/BlitzMax Beginners Area/How do you turn OFF masking?

The forum is locked. These are the original blitzbasic.com forums, kept so they can still be read. No new topics, replies or edits can be made here. To join in, head over to the Blitz3D+ forums.

I've seen a lot of topics on how to do masking, but it seems to be on by default. I can't seem to turn it off, and so if I haven't specified a transparent color, black ends up being transparent.