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Implement ADV History data navigation

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gamer147
2026-07-18 23:41:23 -04:00
parent b7ea16b54c
commit ac5437c5cf
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docs/phase-a-slice-plan.md
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@@ -1704,3 +1704,27 @@ safe-noop.
**Next:** implement generic inline integer arrays (`0x64`) and value-switch dispatch (`0xa1/0xa2/0xa3`),
then wire History navigation/query ops `0x1d0`, `0x1d3`, and `0x1d4` against this model. Rendering op `0x1d1`
and its presentation operations can follow once those data-side script paths execute correctly.
### ADV History data-side navigation implemented (2026-07-18)
The second bounded slice is complete. `Script.BodyDwords` retains the original SYS4 body for runtime data
operands, and op `0x64` copies its plain count-prefixed footer values into consecutive global or local VM
cells. The native rotate/XOR sequence reverses AGE's loader-created in-memory representation; applying it
again to the file would corrupt HISTORY's visibly plain rectangle and coordinate arrays. Generic
`0xa1/0xa2/0xa3` value-switch sequences now use formatted keys and branch to their registered or default PC.
The retained model now exposes native navigation and query behavior. Layout boundaries update a latest-entry
anchor; op `0x1d0` resolves cumulative deltas from that anchor without mutating it, skipping duplicate first-
record offsets and navigation-filtered records. Ops `0x1d3/0x1d4` scan from a supplied record through one
group and return typed metadata or the voice pair with native defaults. Ghidra confirms both opcodes' third
operands reach unused helper parameters despite HISTORY passing 1.
Eight new focused cases cover signed inline values, real HISTORY footer retention, matched/default value
switches, cumulative group navigation, duplicate/filter skipping, metadata/voice queries, and missing-value
defaults. Validation: engine 190/190, opcode generator tests/lint clean, zero-warning Godot build, threaded
`SELFTEST OK`. HISTORY is now 63/78 distinct opcodes and 833/854 instructions handled or safe-noop; its 15
remaining effectful gaps total 21 instructions.
**Next:** implement History's display slice around `0x1d1`, layout origin `0x198`, message-window alpha
`0x131`, surface fill `0x20b`, and retained-object presentation `0x222`. After visible backlog rows render,
finish rectangle hover/interaction, voice replay, and the `0xd3/0xd4/0xd5` smooth-scroll scheduler details.