History / Nexus File Formats

Add file format documentation for all five games Comprehensive format specs for DM1, CSB, DM2, Nexus, and Therons Quest covering DUNGEON.DAT, GRAPHICS.DAT, GDAT, DGN, RLOWFIX, IBS, SAL/MAP, Track 02, save formats, and Saturn/PCE hardware context. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

yeager committed Aug 1, 2026