[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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