Use high-level emulation for more BIOS calls.
Deallocate the space for SWIs 0x2B to 0xFF. Reduces the plugin's size by 426 bytes.
SWI Dh (GetBIOSCheckSum) and 2h (Halt) are implemented in high-level emulation (HLE). Use them.
Stop the path scroller flashing when moving between files in a file selector.