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#file-format

3 posts

RetrogamingDeep Dive October 14, 2026 8 min read

Doom Demo Playback: Tic Commands, Version Headers, and Reproducible Runs

Inspect Doom demo framing, shorttics and longtics input records, playback dependencies, and safe ways to reproduce desyncs without treating a demo as video.

#retrogaming#doom#file-format

RetrogamingDeep Dive October 13, 2026 9 min read

Doom WAD Internals: Lump Tables, Search Order, and Defensive Parsing

Read Doom's WAD directory as an indexed archive, understand classic patch precedence, and build a bounded inspector without trusting old loader code.

#retrogaming#doom#wad

RetrogamingDeep Dive October 12, 2026 7 min read

PlayStation Memory Cards: Serial Transactions and Save-Image Layout

Read PlayStation memory-card transactions and image structure through a pinned emulator implementation, while keeping backups separate from raw inspection.

#playstation#memory-card#emulation