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AGI Error Code Tutorial v1.0

by Nick Sonneveld
Last updated 9th March, 2002

Table of Contents

  1. Introduction
  2. Logic Errors
  3. Interpreter Errors
  4. Unacknowledged Errors
  5. Debugging Techniques
  6. Revision History

1. Introduction

Your error could be caused by this very friendly roach.
Lots of people ask questions like "I got this error when I ran my AGI game, and I don't know how to get around it.".  This document's aim is to list all the known errors that you can generate through the AGI interpreter and possible workarounds.

There are basically two different types of errors:
Both types of errors aren't recoverable and the game will have to exit shortly after displaying the error.  The reason for this is because it's got a quick hack to run logic.0 again but it's not expecting to return from logic.0, just exit.

NAGI, based very heavily on the original Sierra interpreter, shares a lot of the same errors.  NAGI has it's own bunch of helpful warnings which are documented in it's own documentation.  If there's demand, I'll document the errors/warnings of AGIL, NAGI and Sarien as well.

The tutorial will go through all the known available errors, suggest ways of getting around the majority of them and finally will have a list of helpful debugging techniques.  The debugging techniques will be essential whenever you encounter a strange bug, but you are unsure of the whereabouts.

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