thejayman77 ba74bbd5aa Snapshot: fog implementation + fidelity tooling baseline (pre bilinear-clamp fix)
Per-vertex GS fog end-to-end (gs_stub emit incl. persp_emit5, gs_prim_list_feeder
XYZ2->XYZF2 on PRIM.FGE, gs_make_sh3_scheduler_fixture.py F/FGE packing), new fog
TBs, fidelity attribution tooling. Functional baseline before removing the dead
bilinear lerp8 clamps (Codex: 161-node comb loop -> -0.042ns setup fail).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-20 19:56:46 -04:00

retroDE_ps2 Planning Docs

This directory is the working design scaffold for the PS2 core.

Purpose:

  • define the intended repository shape before RTL lands,
  • define subsystem boundaries before implementation choices harden,
  • document what each block owns, what crosses the boundary, and how we will validate it.

Recommended reading order:

  1. repo_layout.md
  2. phase0_checklist.md
  3. contracts/README.md
  4. stub_module_plan.md
  5. wave2_dma_gif_plan.md
  6. wave25_memory_backed_dma_plan.md
  7. wave26_multi_beat_dma_plan.md

Relationship to references/:

  • references/ is the research library.
  • docs/ is the project-definition layer.

Rule of thumb:

  • If a file explains PS2 hardware as it exists, it belongs under references/.
  • If a file explains how retroDE_ps2 intends to model, partition, or validate that hardware, it belongs under docs/.
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