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Implement legacy black surface fades

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gamer147
2026-07-29 10:40:38 -04:00
parent e70b506ec4
commit 2777da435b
10 changed files with 124 additions and 23 deletions
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docs/phase-b-framework.md
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@@ -828,9 +828,9 @@ native defaults, category isolation, getter/setter round trips, idempotent route
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
39 instructions. The widest are unknown `0x22` (eight sites across seven scripts), unknown `0x230`
(six sites across two scripts), then `0x21` and `0x1b2` (three sites each); every other gap has at most two
**Post-tranche rerank:** a fresh 481-script aggregate found exactly 18 effectful gaps totaling only
39 instructions. The widest were `0x22` (eight sites across seven scripts), `0x230`
(six sites across two scripts), then `0x21` and `0x1b2` (three sites each); every other gap had at most two
sites. CONFIG itself is now 1659/1665 instructions implemented, with four unrelated calls remaining
(`0x142` twice, `0xb7`, and `0xb8`).
@@ -841,11 +841,19 @@ timer conversion and full-frame snapshot lifecycle. All 11 combined Himegari sit
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
**Black-fade pair implemented (2026-07-29):** `0x21` and `0x22` now dispatch through the shared blocking
full-frame transition path. The compositor represents the solid-black side explicitly as an empty captured
object list over its normal opaque-black clear: source-empty for black-to-surface and target-empty for
surface-to-black. This preserves mode-4 `0x25`'s separate missing-target fallback, shares the native timing
conversion and exact terminal-frame publication, and closes all 11 sites. The remaining effectful inventory
is 16 distinct opcodes / 28 instructions. All 477 engine tests, opcode build/lint, the zero-warning Godot
build, and the Himegari-targeted threaded selftest pass.
The follow-up `0x230(handle)` is 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`.
**NEXT:** implement `0x230`.
## Later Phase B breadth