[Simh] PDP8, Adventure, and SIMH

[Rick Murphy]

At 02:12 PM 3/29/2013, Rob Doyle wrote:

>I just noticed that my PDP8 FPGA implementation differs from SIMH
>when dealing with mixed/lower case text.
>
>I also checked the operation on David Gesswein's online PDP8 and the
>operation of a real PDP8 matches the operation of my PDP8 FPGA and
>differs from SIMH.
>
>I did use exactly the same RK05 disk image for both SIMH and the PDP8
>FPGA. The image for the real PDP8 /could/ be different.
>
>I'm guessing that SIMH intentionally forces upper case because I didn't
>do anything special to the PDP8 FPGA. I didn't see any SIMH
>configuration options to change this.
>
>Is this intentional?

The option you're looking for is
set tto 7b

That will stop the case folding.
         -Rick