Added Drive turbo selection. Fixed a few builds. Added which target is building to output. Run up to 3 jobs at once during build.
Mist read/write support added/debugged. Single OS ROM + file selector. Fix bug when using "move to drive 1" which reinstated empty drives! Never access Atari system while reset.
Added real-only support. Describe disk image in menu.
First cut of reworked firmware. Just runs gunpowder charlie.atr drive emulation!