http://bugs.winehq.org/show_bug.cgi?id=28227
--- Comment #8 from Dennis Straffin dbstraffin@gmail.com 2011-09-02 17:33:39 CDT --- No problem Henry. It was actually kinda fun to hunt down the commit.
FYI, I just noticed that it only seems to affect DirectDraw(2D). So if you can get it to run in Direct 3D mode or Glide (http://www.svenswrapper.de/english/downloads.html), the problem won't happen. You can run D2VidTst.exe to try to change it what Daiblo II uses for video output.