Table of Contents
- What is NAGI?
- Identifying and Isolating an AGI Game
- Adding a New Game to the CRC List
- Submitting an Unknown Game's Details
- NAGI Warnings
- Bugs in Sierra’s Interpreter
- External Font Format (NBF)
What is NAGI?
NAGI (New Adventure Game Interpreter) is a clone of Sierra's own
AGI which they created and used through the 80's to produce a whole
bunch of great adventure games like Space Quest, Leisure Suit Larry
and Kings Quest. NAGI was created by disassembling the original AGI
executable and writing equivalent C code that would run under
SDL which is a free generic library
for low-level access
to graphics and audio. It can read both v2 and v3 game data for the
I started working on this (disassembling and learning
stuff) around November 1999. I didn't really do much work on it
until the start of 2001 when I finished the picture rendering code.
So I started with a program that draws agi pics to this... I actually
got the initial idea from the guy who
recreated an old game called Digger
. He did the same
thing by disassembling the original game and recoding it all in C.
The original name for NAGI was GI-Jay.. like GI-Joe only different.
It evolved from JayGI. NAGI sounds a bit more sophisticated anyway
and can be confused with a
whole bunch of things
From the "3D Animated Adventure Game Reference Card For MS-DOS":
Sierra's 3D animated adventures represent a totally new approach to
computer gaming -- a third generation in computer adventure. They feature
colourful hi-res graphics, with animated characters moving through three
dimensional background screens. The improved parser lets you talk
to the computer in whole sentences.
Sierra's new series of adventures are interactive, changing as you explore
and solve the puzzles. New facets are revealed as you delved into the
game. In fact, you can play the game many times over and never play
the same game twice.
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