[Simh] Simulating a GT40

[Lars Brinkhoff]

Mark Pizzolato wrote:
> You are supposed to be able to set the base address.  There was a bug
> in the DLI device's MTAB array that wasn't set correctly.  This is now
> fixed.

Thanks!

> Meanwhile this certainly could easily solved by setting the RAM in
> the system to 64K and merely loading the ROM data into the appropriate
> address range.

Sure, that's an OK workaround.

> Meanwhile, if the GT40 could be some sort of terminal to some other
> system, how was it connected to that other system?  Serial line via
> the DL device?

Yes.

> Also, how/where was the LK40 keyboard connected to the system?
> Through the DL device?  Was there more than one DL device?

Yes, (at least) two.  The standard console DL at 177560 provides
keyboard input.  The DL at 175610 is the interface to the host.  Or at
least that's what the ROM listing says.