[Simh] RA70/73 simh support

[Tim Shoppa]

"Bob Armstrong" <bob at jfcl.com> wrote:
> Interestingly, RSTS is even able to
> identify the drive as a RA70 even without the model type byte; I guess it
> must be using the media ID to identify it instead.

Media ID will be used for finding the drive name all the time.

>   With those limitations and a few other minor changes the RA70 emulation
> seems to work - how does one apply to the simh maintainers to incorporate
> this addition back into the master source ?

Send the numbers to Bob Supnik. The MSCP details for many but not all
different drive types have been fleshed out over the years, and I 
distinctly remember him asking, probably a decade ago, for the RA70 numbers. 

Tim.