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PC port: phase 1.5 — handoff notes updated for D33 implementation session

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Record ROM-dump verification (No-Intro [!] byte-identical, CRCs re-checked)
in AGENTS.md phase status, PCPortResearch §H state, and HANDOFF current
state, so the next session starts from a verified foundation.
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James Dansereau committed 2026-08-21 20:30:50 -04:00
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AGENTS.md
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@@ -47,7 +47,7 @@ Run `/linkcheck` for this sweep. Record new findings in `docs/PCPortResearch.md`
- **Phase 0 (scaffolding):** done, committed.
- **Compile+link milestone:** all ~235 TUs compile and `ge007.x86_64.exe` links clean (`ninja ge007 -k 0`, 236/236). Findings D7–D17 in `docs/PCPortResearch.md` §11; asset stubs in `port/src/assetstubs.c`, fast3d no-ops in `port/src/gfxstub.c` (delete when real fast3d lands).
- **Phase 1 (boot to window):** done — ROM loads/validates/maps at cart base 0x10000000 (`romdata.c`), SDL2 window + GL clear loop (`video.c`), absolute asset symbols from `scripts/gen_romassets.py` → `port/src/romassets_<r>.s` (findings D18–D23).
- **Phase 1.5 (boot to first frame):** IN PROGRESS — mainThread runs through `bossInitMainthreadData()`; D31 (langInit file-load SIGSEGV) fixed via real-zlib decompression (`port/src/rzdecomp.c`, replaces the excluded `src/game/decompress.c`+`zlib.c`). Current blocker is **D32** (ROM-struct pointer-width): Part A (u32 layout in `ModelAnimation`) done; Part B **root-caused (D33)** — the ROM stores structured fields big-endian (per-field load-time fixup needed) + an x86-64 loop-stride bug in `expand_ani_table_entries`; fix designed, implementation next. Recurring sub-task: ABI/layout fixes per the D32 procedure (§H) as more asset loading is reached.
- **Phase 1.5 (boot to first frame):** IN PROGRESS — mainThread runs through `bossInitMainthreadData()`; D31 (langInit file-load SIGSEGV) fixed via real-zlib decompression (`port/src/rzdecomp.c`, replaces the excluded `src/game/decompress.c`+`zlib.c`). Current blocker is **D32** (ROM-struct pointer-width): Part A (u32 layout in `ModelAnimation`) done; Part B **root-caused (D33)** — the ROM stores structured fields big-endian (per-field load-time fixup needed) + an x86-64 loop-stride bug in `expand_ani_table_entries`; fix designed, implementation next. ROM dump verified against the No-Intro good dump (byte-identical, header CRCs re-checked — `tools_pc/romverify.c`). Recurring sub-task: ABI/layout fixes per the D32 procedure (§H) as more asset loading is reached.
- **Phase 2 (rendering):** bring in PD fast3d (replaces `port/src/gfxstub.c`), verify custom CC/RM modes against `gmain.s`, port the scheduler; replace asset stubs with ROM-backed data (D16). Assumes ABI-clean data loading from Phase 1.5.
- **Phase 3 (audio + input):** libaudio → SDL; decide the ASP strategy (C2: `aspMain*` dummies in `ucode.c`).
- **Phase 4 (saves + polish):** file-backed EEPROM; PFS/motor already no-op stubs.