Attached is ZORK1 for CP/M. I also have 2 and 3 if you are interested.
Can you run CP/M on any of your machines? (If not, the Altair SIMH is a free download)
The text below was captured from running it on the SIMH:
C:\N8VEM\AltairSIMH>altairz80 all
Altair 8800 (Z80) simulator V3.7-3 build 1016 (scp created Apr 20 2008 at 13:01:
09 with gcc 4.2.3)
64K CP/M Version 2.2 (SIMH ALTAIR 8800, BIOS V1.27, 2 HD, 02-May-2009)
A>zork1
ZORK I: The Great Underground Empire
Copyright (c) 1981, 1982, 1983 Infocom, Inc. All rights
reserved.
ZORK is a registered trademark of Infocom, Inc.
Revision 88 / Serial number 840726
West of House
You are standing in an open field west of a white house, with
a boarded front door.
There is a small mailbox here.
>e
The door is boarded and you can't remove the boards.
>w
Forest
This is a forest, with trees in all directions. To the east,
there appears to be sunlight.
>