[Simh] Simulating a GT40

[Paul Koning]

> On Sep 4, 2018, at 3:06 PM, Lars Brinkhoff <lars at nocrew.org> wrote:
> 
> Timothe Litt wrote:
>> If a ROM device is added to the -11, I suggest that:
>> a) It be capable of multiple units
>> b) each unit with a start address (in I/O space) & length
> 
> I was going to do this, but I quickly learned that a SIMH unit can't
> have a base address of its own.  All units share the address region
> defined by the governing device.

Another way to handle ROM would be to have a switch on the LOAD command that tells it to permit binaries that have load addresses in I/O space.  Then your current ROM devices config would be "whatever is loaded by the load commands I have issued".

	paul