[Simh] MAME and simh

[Johnny Billquist]

If something is emulating the hardware of a VT100, or the hardware of a 
VT240, what made you think you could run the VT220 firmware on it and 
expect anything meaningful to happen? Or am I totally missing what you 
are doing?

   Johnny

On 2020-07-01 15:34, Peter Allan wrote:
> Hi folks,
> 
> I am trying to get MAME to talk to simh in order to use MAME as a VT 
> terminal emulator. However, I am failing to get the two to talk to each 
> other. I have been using simh for over 10 years, but I only picked up 
> MAME two days ago.
> 
> I have tried MAME v 0.222 on Windows 10 and MAME v 0.208 on Debian 10.1. 
> Both start up successfully, but I have trouble using them. I also have a 
> set of 13 ROMs for several VT terminals.
> 
> I have found some helpful information on the web, specifically
> 
> https://zork.net/~st/jottings/Real-VT102-emulation-with-MAME.html
> 
> and
> 
> https://wiki.mamedev.org/index.php/MAME_and_SIMH
> 
> The latter page looks like it should be just what I am looking for, but 
> it describes using a VT240 ROM. My vt240 ROM doesn't work. My vt220 ROM 
> does work, but when I follow the instructions to 'press F3 to enter 
> setup', nothing happens.
> 
> I have also got the impression that some of the command line options for 
> mame have changed over time, so some older information on the web may no 
> longer be accurate.
> 
> So, has anyone got this combination to work? If so, can they send me 
> exact instructions on how to do it please. I hope that I am simply 
> failing to do something that will become obvious with hindsight.
> 
> My normal Linux system is CentOS 6, CentOS 7 or Fedora 31, but I also 
> have Debian 10.1 available.
> 
> I run several simulated VAX and PDP-11 instances using simh.
> 
> Cheers
> 
> Peter Allan
> 
> 
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-- 
Johnny Billquist                  || "I'm on a bus
                                   ||  on a psychedelic trip
email: bqt at softjar.se             ||  Reading murder books
pdp is alive!                     ||  tryin' to stay hip" - B. Idol