[Coco] Using a CoCo disk drive with a BBC computer

[Dan Olson]

> The BBC uses standard drives either jumpered as DS0 or DS1 (it can only
> normally have 2 drives, a restriction of the firmware), however the way
> these are handled is quite clever.
>
> side 0 of first drive is drive 0
> side 0 of second drive is drive 1
> side 1 of first drive is drive 2
> side 1 of second drive is drive 3

Very strange, it seems like this would have the disadvantage of limiting 
the max file size and adding more complexity to file management, with no 
real advantage.  Is this a result of the DOS or is it hard coded in a ROM 
somewhere?

 	Dan