Once Mindset officials determined that most of the desirable software was compatible, development was frozen and the OS burned to ROM, which locked out 20% of the PC software base, including "Microsoft Flight Simulator".
Once Mindset officials determined that most of the desirable software was compatible, development was frozen and the OS burned to ROM in late 1983. The ROM did not run about 20% of the PC software base, including "Microsoft Flight Simulator".