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vs-sr-dev / cdi-origami-doc

Reverse-engineering notes on Origami (Philips CD-i, EagleVision 1993): Green Book file system, OS-9/68000 modules, multi-channel real-time files, DYUV/CLUT7 video, Level B/C ADPCM, and a fifth language nobody catalogued.

documentation reverse-engineering origami file-format retrocomputing m68k adpcm disc-image cd-i philips-cdi 1993 os-9 game-preservation green-book dyuv

Updated Aug 31, 2026
Python

vs-sr-dev / cdi-platformnotes-doc

Star

The canonical Philips CD-i platform checklist, carried across documentation pipelines: Green Book filesystem, OS-9/68000 modules, real-time streaming, DYUV/CLUT/RL7, ADPCM - and the 29 seconds of authoring-system audio that turns up byte-identical on unrelated 1993 discs.

Updated Aug 31, 2026

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