* Fixed problem on OP with 24BPP bitmaps. [Shamus]
* Cosmetic GUI fixes. [Shamus]
* Switched to UAE 68000 CPU core. [Shamus]
* Fixed some RISC STORE and LOAD alignment issues. Still need to verify against real hardware. [Shamus]
* Fixed video frame timing for both NTSC *and* PAL. [Shamus]
* Improved OP logging, added emulation of OP bug. [Shamus]
* Fixed addressing bug with UAE 68000 core. [Shamus]