http://bugs.winehq.org/show_bug.cgi?id=1638
------- Additional Comments From frans.kool@gmail.com 2006-17-10 04:48 ------- BTW: for "EMPEROR: Battle for Dune", the only funtion mentioned in the log is wine: Call from 0x7ee92430 to unimplemented function d3drm.dll.D3DRMQuaternionSlerp, aborting wine: Unimplemented function d3drm.dll.D3DRMQuaternionSlerp called at address 0x7ee92430 (thread 000b), starting debugger...
I don't know if it is easier to just implement this one function.