CPU: Fixed the Q-flag for SMLAxy
MMU: Fixed halfword reads from LCDC VRAM
MMU: Added the math coprocessor functions (Div, Sqrt)
GPU: Added preliminary support for mode 6 (main core)
GPU: Added optional GDI rendering (no 3D support)
GPU: The preferred renderer can now be specified in dualis.ini
GPU: Added some checks for proper VRAMCNT_* values
GUI: Forgot to unload the plugins and free the memory they were using when closing the emulator (Oops..)
Moved key input to a dedicated plugin. The source for the input plugin is available for anyone who wants to write their own plugin.