[Simh] PDP8, Adventure, and SIMH

Johnny Billquist bqt at softjar.se
Wed Apr 3 08:12:08 EDT 2013


On 2013-04-03 14:03, Bob Supnik wrote:
> PDP-8s by default came with ASR/KSR-33 teletypes, which were upper case
> only (and the parity bit forced on). The default terminal option is
> 'KSR' to mimic that.
>
> When DEC began building its own terminals, like the LA36 and VT52, they
> offered upper and lower case. The '7b' option is there for that.
>
> Note that if you SET TTI 7b, start OS/8 (at least the version I have),
> and type dir instead of DIR, the command isn't recognized.

I know that works for me, but it might be an issue with mark parity 
(which all old OS/8 software expects), or it might be an issue with CCL, 
which comes in many flavors.

	Johnny

-- 
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



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