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Claude
99a4002ffb
Adds a CD-command trace to psx-beetle (beetle_cdcmd_trace_hook.patch: callback in cdc.cpp's command dispatch, wired through beetle_libretro.cpp into cdrom_cmd_dump / cdrom_cmd_reset on the oracle debug server). This is the two-process oracle-diff the setup is built for, now working on Linux. Live-diff result (docs/kula-world-findings.md, bug 3): the oracle's game reads level data with a clean Setloc->SeekL->Setmode->ReadN->Pause per sector (SeekL x18, ReadN x22, GetlocL x89). Our runtime's game, in the wedge, issues NEITHER SeekL NOR ReadN — only GetStat/Init/Setloc/Pause, an error/retry branch the oracle never enters. Crucial: our runtime DID deliver 307 sectors during early boot (ReadN + data delivery work). Reads only stop at frame ~890 — the BIOS mid-game region revalidation (ReadTOC+GetID). The region fix made that PASS, but the post-ReadTOC CD state still stops the game resuming reads. Prime suspect: our ReadTOC (case 0x1E) is a bare stat+COMPLETE stub that does not model drive repositioning / the track table the game reads to recompute its seek. Documented for the next session. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01BdjxoRB1f9VQsNzZayCgGS