Private A8PicoDuo Doom color delivery, 8 October 2026

games/DoomDuo.mpe is the self-contained private Atari A8P1 package, 2219736 bytes,
SHA-256 4eac28f3197f884d4e2d0462a0dc5303e5a61faf45a66e1297683e9292ce0b88.
Its package-owned A engine is 9c1e5f464117c41fee3a9f29919912efd0cfa4aa599e289b49c8e9dffe93ade6; its embedded B palette
worker is bca83e8d0a20b0b0b297fd4a115d2239d45a3dd177faef4adb8341370103e34e. No separate engine or legacy adapter file
is required on the cartridge.

This Doom delivery requires the existing generic 1.4.1-duo remote-worker host.
The firmware/ directory remains the unchanged 1.4.0-duo historical baseline for
the earlier local delivery; it is not the firmware pair qualified for this new
Doom package. The separately authorized H: installation already reported the
matching 1.4.1 worker firmware: A8DUO INFO A=6,197632,f35f544f B=6,382976,25b6cb44.
No firmware replacement accompanies this local Doom delivery.

source/Doom-Duo-Corresponding-Source.zip is the exact complete adapted A engine
and embedded B helper source, with independently reproduced executable recipes:
SHA-256 71c9a9caf74def3adc9bdc9b558c2cfba9d6b5d070219add9a7c1fedcdc95c40.
source/Doom-Duo-Qualification-Source.zip supplies the matching private test
sources and fixture dependencies:
SHA-256 01398ee6efb273d9669da8c5f5b929beb3c4b896e7b506d46cffccf5133c9df8.
The source ZIPs, base build receipt and qualification-source receipt are copied
verbatim; qualification-source.json binds the immutable build receipt and both
archives. External toolchains are not included. Maintained source commit:
654736b964cddb136c2143cbee3f1fcfe5d64027, verified on main and codex/a8pico-duo.

notices/ retains the existing upstream notices and Original-Source-offer.txt
verbatim. That historic offer identifies the original release and its original
hashes; this addendum identifies the new package and accompanying full adapted
source without rewriting the old offer. Applicable source licenses remain in
the notices and source archives. Original WHX game data, POKEY music and face
assets are byte-identical to the retained input. Doom shareware data retains its
separate license. The retained input did not contain standalone game-data
permission text; this is a private handoff and does not assert commercial
shipment or public redistribution permission.

qualification/ contains exact build, actual ARM A+B, host client, actual6502,
PAL/NTSC Altirra raster, source-reproduction, resource-preservation, sync and
installation receipts. The H: installation passed unbuffered byte readback,
preserved 251 other files and left firmware unchanged. It is distinct from
physical Atari gameplay, frame-rate measurement and full-game acceptance,
which remain unclaimed. V toggles grayscale; menus/help preserve their old
grayscale presentation. The qualification includes modeled older-host fallback,
but the delivery requirement remains 1.4.1-duo.

All 20 earlier local delivery entries, including OutRun, Double Dragon,
Gauntlet, firmware and SOURCES.txt, are preserved exactly. Their original
SOURCES.txt describes that historical baseline. The Doom extension is recorded
separately in delivery.json and this addendum. No HamsterOS is added here.
