zawk's Introduction

zawk

An Awk implementation of the Infocom Z-Machine. Supports Z3 files (e.g. Zork 1, Hitchhikers Guide to the Galaxy, etc).

Updated to also support Z1 and Z2 game files.

Works with original Awk, GNU gawk, and mawk.

Beta version: Note that save and restore are not yet supported.

Example

./zawk zork1.z3
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.

>open mailbox
Opening the small mailbox reveals a leaflet.

>get leaflet
Taken.

>read leaflet
"WELCOME TO ZORK!

ZORK is a game of adventure, danger, and low cunning. In it you will explore
some of the most amazing territory ever seen by mortals. No computer should 
be without one!"

Still to do

Save and restore is still to be added
Word wrap is not implemented, so words can be split across lines
Numerous other features and enhancements

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zawk's Issues

Weirdness with random numbers

I noticed that the random code doesn't look quite right - I think it is off by 1, as in it can't be 0.
I haven't raised a PR for my hunch because I can't get it to behave correctly anyway. If I run czech.z3 I get the following as the only failed test:

Misc [345]: test...random

ERROR [347]  Expected 148; got 152

And if I run ziptest.z3 I get this kind of output, also clearly incorrect:

Randomness check - Type 2-100 or just RETURN to skip this test.
>2
Expected number: 5000

1: 10000
2: 0

Randomness check - Type 2-100 or just RETURN to skip this test.
>2
Expected number: 5000

1: 10000
2: 0

Randomness check - Type 2-100 or just RETURN to skip this test.
>3
Expected number: 3333

1: 5006
2: 4994
3: 0

Randomness check - Type 2-100 or just RETURN to skip this test.
>3
Expected number: 3333

1: 5047
2: 4953
3: 0

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