DMY.DAT - developer fixtures Confirmed
This file contains no real game content. DMY.DAT sits next to PROT.DAT (the disc's main asset archive) at the disc root, and its name suggests "dummy data" or a parallel asset bank - but what's inside is developer test fixtures, shipped on the retail disc and never loaded by the game.
Contents
Three discernable patterns:
- A memory-bus test pattern (alternating bit-walk values used to validate RAM during development).
- Paired random blobs (used as test inputs for the audio / video pipelines).
- A small offset table at the start.
No part of the file is referenced by retail gameplay code; the file is included on disc but never loaded.
Treatment
Skipped by the categorize pipeline (the sweep that classifies every archive entry by format). Not interesting for either preservation or the engine port - but knowing it's inert saves anyone else from digging through it.