Oh, I must have missed that. Well, it's labeled as 0x0200 in 1.7.5, so try that perhaps? It says "unused" next to it, so I wouldn't know. It's my only guess though.
Edit: Oh, I just did check and see offscreen drawing is set to one. Give that a try.
Edit: Oh, I just did check and see offscreen drawing is set to one. Give that a try.