[Simh] Simulating a GT40

[Lars Brinkhoff]

>> Connecting to a host would be useful, but merely telnetting into a DL
>> TCP port will be sufficient to prove that a few bytes move in either
>> direction.
>
> Good point.

I added a ROM device and pointed the CPU to it.  The VT11 needs to be
fixed to read data from the ROM.

I have now hooked up the SIMH KS10 running ITS to the SIMH GT40 running
from the ROM.  It works.