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James Dansereau 0010270f1b Repo cleanup: reference footage to docs/reference/, ignore local artifacts

- Move the two N64 reference screenshots out of the repo root into
  docs/reference/ (n64-footage-2026-08-24.jpg, n64-footage-gun-barrel.png);
  HANDOFF.md now points there.
- Gitignore screenshots/ (session captures) and tools_pc/mupen64/ (local
  Mupen64 Plus checkout used for N64 reference footage; 8 MB of binaries).
- Commit tools_pc/mtxtest.c, the standalone fast3d matrix-convention
  harness that HANDOFF/D72.3 docs reference as kept-for-reference.
- Refresh PORTING.md: status was still 'scaffolding / building once
  implementation lands'; now reflects Phase 2 in progress and points at
  docs/HANDOFF.md for current session state.

2026-08-27 19:27:05 -04:00

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GoldenEye 007 — PC Port

A work-in-progress port of GoldenEye 007 to modern platforms (Windows / Linux / macOS), built on the decompilation in this repository.

It follows the approach of the Perfect Dark PC port, which ports the same Rare "Indy" engine (a later revision).

Status: Phase 2 (rendering) in progress. The game boots on PC, plays the intro music, and renders the entire intro (logo → gun barrel → cast); the current blocker is first stage load (BG-file endianness, finding D69). Current session state and immediate tasks: docs/HANDOFF.md.

Read this first

docs/PCPortResearch.md — the preliminary research: how the PD port works, what GE-specific work remains (the G_SETTEX RSP command, custom color-combiner/render modes), the hardware surfaces that must be shimmed, and the phased plan. Start here.
port/README.md — the port layer layout and how it fits together.

How it works (one paragraph)

The N64 game code (src/game, src) is compiled unmodified for the host. The RSP (the N64's 3D coprocessor) is emulated in software (port/fast3d/): it interprets the display list the game builds and emits OpenGL calls, bypassing the RDP. All other N64 hardware (VI, AI, PI, SI, OS threads/timers) is shimmed in port/src/libultra.c and friends. Saves (Memory Pak / EEPROM) are backed by files.

Layout

CMakeLists.txt        # PC build (parallel to the N64 Makefile)
cmake/                # CMake helper modules
build-pc.sh           # configure + build helper
port/
├── fast3d/           # software RSP (adapted from the PD port)
├── include/          # port-facing headers
└── src/              # port layer (main, libultra shims, video, audio, input, ...)
docs/PCPortResearch.md

The N64 build (Makefile, tools/, rsp/, etc.) is untouched.

Building

./build-pc.sh ntsc-final     # or pal-final / jpn-final

Then put your ROM in ./data/ and run the binary from the repo root. (The ROM is not distributed; you must own the game.)

Phased plan (summary)

Phase	Goal	Status
0	Scaffolding: build system + port-layer interfaces	done
1 (+1.5)	Boot to window / first frame: ROM map, OS shims, ABI reconciliation	done
2	Rendering: fast3d software RSP, asset conversion/fixups	in progress (full intro renders; stage load = D69)
3	Audio + input (SDL device, mixer, gamepad)	not started
4	Saves + polish (file-backed EEPROM, widescreen, config)	not started

Details and risks: docs/PCPortResearch.md §8–9.

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