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Map legacy surface fades and cyclic reset

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gamer147
2026-07-29 10:34:03 -04:00
parent 1678459b05
commit e70b506ec4
5 changed files with 155 additions and 69 deletions
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docs/phase-b-framework.md
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@@ -823,9 +823,9 @@ writer updates only the nine audio keys and preserves every unrelated option. Ra
native `2 ↔ -1` band toggling. Godot applies
gains through its nested audio buses, so master and category volume compose, and route changes immediately
stop/mute active playback according to the native worker distinctions. All 37 CONFIG sites now dispatch,
reducing the effectful fallthrough inventory from 22 to 18 distinct opcodes. Seven focused tests cover
reducing the effectful fallthrough inventory from 22 to 18 distinct opcodes. Eight focused tests cover
native defaults, category isolation, getter/setter round trips, idempotent routes, cross-VM state, invalid
selectors, path resolution, CP932 INI preservation, and persistence. All 475 engine tests, the
selectors, native and redirected path resolution, CP932 INI preservation, and persistence. All 476 engine tests, the
warning-free Godot build, opcode lint, and the Himegari-targeted threaded selftest pass.
**Post-tranche rerank:** a fresh 481-script aggregate confirms exactly 18 effectful gaps totaling only
@@ -834,8 +834,18 @@ warning-free Godot build, opcode lint, and the Himegari-targeted threaded selfte
sites. CONFIG itself is now 1659/1665 instructions implemented, with four unrelated calls remaining
(`0x142` twice, `0xb7`, and `0xb8`).
**NEXT:** investigate `0x22` as the widest remaining independent opcode, with `0x230` as the next
candidate if `0x22` proves to own a larger subsystem.
**Next-opcode investigation complete (2026-07-29):** `0x22` is the mode-1 half of AGE's blocking
single-surface black-fade pair, not a larger subsystem. `0x21(surface,timing)` fades black to the captured
surface; `0x22(surface,timing)` fades the captured surface to black. They share `0x25`'s already-modeled
timer conversion and full-frame snapshot lifecycle. All 11 combined Himegari sites use `(1,30)`, about
480 ms, across menu entry/exit paths. The existing `LegacyScreenTransition` host seam can own the pair,
but it needs an explicit black endpoint rather than its mode-4 missing-surface fallback.
The follow-up `0x230(handle)` is also decoded: it clears the retained object's cyclic active flag and five
looping-channel start/period pairs without changing current/base transforms. Its six calls are five
DEBUGADV effect demonstrations plus one FIELD movement setup.
**NEXT:** implement `0x21` and `0x22` together as one black-fade slice, then implement `0x230`.
## Later Phase B breadth