> On Dec 31, 2015, at 3:17 PM, Paul Koning <[email protected]> wrote:
>
> I've noticed that terminal handling on the SIMH console with RSTS/E was never
> quite right; it would not do "set terminal/inquire" and editing keys that
> produce escape sequences would be mangled.
>
> This turns out to be due to the "printable control characters" configuration
> setting. Its default value does not include ESC as a printable character, so
> it gets discarded rather than sent to the terminal window.
>
> To fix this, use the following SIMH command:
>
> set console pchar=01000023600
>
> With that setting, escape sequences work properly on the console. Something
> similar probably applies to other operating systems and processor types, if
> they use escape sequences on the console terminal. The pchar value is octal
> on PDP11 and other machines that are conventionally octal; it's hex on VAX
> and other hex machines, so adjust the "set" command accordingly.
More... it occurs to me that many operating systems and/or applications do
their own filtering of control characters, so in fact a good setting for the
pchar mask is all ones. In other words, 37777777777 octal or ffffffff hex
depending on the simulated machine.
I wonder if that should be the default, instead of 23600.
paul
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