[Coco] ovcc update

[Walter Zambotti]

>Hello Walter.
>When you boot the emulator with the SuperIDE module, it should give you the >"Hard Disk Basic" prompt.
>Then, you should be able to access the hard drive as if you had multiple floppy >disk drives. Try DIR 100 or DSKINI 50.
>You can also use the "DRIVE OFF" and "DRIVE ON" commands to choose >whether drives 1 to 4 will be in the Hard drive of the Floppy disk drive.

>Thanks for your work,

>Diego

What ROM does it use?

Also will it work with the usual vhd disk images or do I need something different?

Walter