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Restore complete numbered save state

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gamer147
2026-07-24 18:43:21 -04:00
parent ac265e576d
commit abda5b21c1
15 changed files with 329 additions and 61 deletions
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20
vm-map/opcodes.toml
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@@ -1716,7 +1716,7 @@ observed_types = ["imm"]
[[opcode]]
op = 0xae
label = "u00415130"
label = "continue-save-load-stack-restore"
argc = 0
abi_source = "kelebek+decode-validated"
@@ -1724,7 +1724,7 @@ abi_source = "kelebek+decode-validated"
name = "continue-save-load-stack-restore"
category = "control"
summary = "() - during serialized save restoration, replace the current frame PC with its saved resume/call target and advance through the saved script-context stack; otherwise a no-op."
details = "Layout 3 frame d259 indexes SYS4 T1 read-message reset sites, d260 indexes T2 call-script sites, and the saved local return stack indexes T3 local-call sites. Port status (2026-07-24): the active path reconstructs the saved recursive frame chain and resumes the terminal frame at its T1 boundary."
details = "Layout 3 frame d259 indexes SYS4 T1 read-message reset sites, d260 indexes T2 call-script sites, and the saved local return stack indexes T3 local-call sites. Port status (2026-07-24): the active path reconstructs the saved recursive frame chain and resumes the terminal frame at its T1 boundary. The installed SAVE00 continuation gate proves SYSTEM4 -> FORT restoration reaches FORT's CHMENU gameplay poll; the synthetic gate asserts the child frame enters with SaveRestore rather than ordinary CallScript cause."
noop_headless = false
source = "investigation"
confidence = "high"
@@ -1901,23 +1901,23 @@ observed_types = ["imm", "g-int", "l-int", "l-ptr"]
[[opcode]]
op = 0xc0
label = "u00415620"
label = "get-current-bgm-track"
argc = 1
abi_source = "kelebek+decode-validated"
[opcode.semantics]
name = "u00415620"
category = "unknown"
summary = ""
name = "get-current-bgm-track"
category = "audio"
summary = "(track_out) - return the direct-name BGM track id retained by the music facade; the same value is restored from numbered saves."
noop_headless = false
source = "kelebek"
confidence = "low"
source = "investigation"
confidence = "high"
depends_on = []
evidence = ""
evidence = "Ghidra /v2 op_0xc0_get_current_bgm_track@0x428440 writes EngineCtx.current_bgm_track_id (+0xa0b84) to operand 1. op 0xbf's bgm_play_track retains the selected direct-name id at the same music-facade field; layout-3 serialization copies it to payload +0x008 and restoration copies it back. Installed SAVE00 stores 0x18, matching FORT's BGM024."
[[opcode.semantics.args]]
i = 1
role = ""
role = "current BGM track id output"
observed_types = ["l-int"]
[[opcode]]