Paul Allen's DECsystem-10

Sridhar Ayengar ploopster at
Wed Jan 10 10:24:15 CST 2007

Ethan Dicks wrote:
> On 1/10/07, Brad Parker <brad at> wrote:
>> Richard wrote:
>> >I was thinking of getting ADVENT running on it.
>> i've searched everywhere for mdl sources but have not not found
>> any. (but typing that I'm having dejavu all over again.  has this topic
>> come up before?
>> now that i think about it the tops-20 version was in fortran, right?
> ADVENT was always FORTRAN (until it was ported to BASIC in the
> 8-bit-micro era, and C as well for UNIX, then 16-bit micros).  When
> you say "MDL", you are probably thinking of Dungeon/Zork.  The sources
> are not lost (there's a copy on Bob Supnik's pages), neither are
> compiled versions for at least TOPS-20 (it's on the Panda distro), but
> what _is_ lost, AFAIK, is the MDL compiler and environment.  So one
> can inspect the source (at least one version, anyway), and one can
> play the game (two versions for 36-bit that I've personally run), but
> not turn source into a playable game.

Are there enough specs around that you could write a work-alike?

Peace...  Sridhar

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