Simple memory saving support - to help debugging
Merged in cartridge support from Hias. To make space some space improvements were done to freeze and drive emulator. Lots of scope for more
Started merging in 5200 firmware changes. A800 firmware tested working. 5200 firmware not working, but likely a small fix...
Add titles. Load rom from sd.
First cut of write support
First cut of reworked firmware. Just runs gunpowder charlie.atr drive emulation!