* fixed a regression in the accuracy/compatibility CPU core with IRQ masking; fixes World Heroes 2
* fixed OAM address reset on $2100 writes for performance PPU core; fixes Mahjongg 2 and others
* DSP-1 always returns high 8-bits of status register; fixes Ace wo Nerae! freeze [Jonas Quinn]
* performance core can now take advantage of serial support
* pixel shaders now use a unified XML format; in the future they will support multi-pass shaders and textures
* major code restructuring
* first public release of phoenix GUI port
* mightymo's cheat code pack is now an external file for the phoenix port
* phoenix port stores cheat codes in XML format as well, unifying all file formats to the same markup language