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NAGI Documentation

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Identifying and Isolating an AGI Game

Of all the AGI games I have encountered, they all follow a few basic file name arrangements.

• Version 2 - object, words.tok, logdir, picdir, viewdir, snddir, vol.X
• Version 3 - object, words.tok, <GAMEID>dir, <GAMEID>vol.X
• Amiga Version 3 - object, words.tok, dirs, vol.X

Where <GAMEID> is replaced by the game's actual id (eg "KQ4" for Kings Quest 4).

The original Sierra interpreter used these files and are not used by NAGI:
agi, sierra.com, agidata.ovl, cga_graf.ovl, ega_graf.ovl, hgc_font, hgc_graf.ovl, hgc_objs.ovl, ibm_objs.ovl, jr_graf.ovl, vg_graf.ovl
They can be safely deleted or moved to another directory to save space.

Sierra also has a later interpreter called SCI.  NAGI does not run these data files but FreeSCI does!  You can pick out these files because they follow the format:
resource.XXX, resource.map
Very tidy.

NAGI also runs Amiga games.  They can be handily found at Back 2 the Roots .  Just search for "Sierra".  The last I heard, they were given permission to distribute the old Amiga versions of the games.  However, they first have to be extracted from the amiga disk image (ADF) first. There's a nice program called ADF Opus that does this work for you.  Just extract all the files found in the "data" directory and NAGI should be able to run those files with no trouble at all.

There are some slight differences between the Amiga games and the PC games.  Some of the older games don't support the "ESC" key to access the menu, instead it just pauses the game.  To access the menu you will have to click on the status bar with the mouse, just like the Amigians had to do.  Older Amiga games accepted the "ESC" key properly.

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