emulated the 21.47MHz ST018 (ARMv3) coprocessor used by Hayazashi Nidan Morita Shougi 2
fixed PPU TM/TS edge case; fixes bottom scanline of text boxes in Moryo Senki Madara 2
fixed saving and loading of Super Game Boy save RAM
NEC uPD7725,96050 ROMs now stored in little-endian format for consistency
cartridge folder concept has been reworked to use fixed file names
added emulation of serial USART interface (replaces asynchronous UART support previously)