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#118 alarm dig complete: the TechStatus bit model -- MarkGeneratorOut bridge removed

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The gauge-alarm "condition" is a STATUS-FLAG BIT INDEX edge-scanned by
MechTech (bit 0/1 structure, 2 leak, 3 heat, 4 AmmoBurning, 5 Jammed,
6 !HasVoltage). Conditions 4/5 -> the engEject flash = the AMMO purge/unjam
invite (flashing the very key whose streamed function is EjectAmmo) --
never pilot eject; cond 6 -> the bus-switch invite; the PANIC lamp is the
sole pilot-eject indicator.

The destruction->stateAlarm(4) bridge is REMOVED as unfounded: alarms never
read stateAlarm; state 4 is the THERMAL BREAKER state produced by
GeneratorSimulation itself (byte-matched vs FUN_004b1f7c). And the binary's
crit distributor (@0049c9a8, read raw) touches nothing electrical -- a
generator destroyed in place keeps stale Ready voltage until any transition
recomputes output via (1 - damage) x rated. The port now matches that
subtlety exactly (verified: single-gen force-kill -> no bus invite, no arm,
silent unarmed keypad -- all authentic).

KB: the full bit table + invite semantics + electrical subtlety recorded in
decomp-reference.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Joe DiPrima
2026-08-04 03:18:50 -05:00
co-authored by Claude Fable 5
parent 609dde8051
commit a728fa6de9
3 changed files with 43 additions and 16 deletions
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context/decomp-reference.md
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@@ -363,6 +363,30 @@ From the weapon `.SUB` records + the charge-curve `.data` constants (PE-parsed a
(master-gated) + `GetEjectPermitted()` accessor; `BT_EJECT_LOG=1` logs the
arm edges. Adjacent table fact: id 0x1a `DuckRequest@0049fa00` latches
mech+0x398 = 1 — that latch has NO reader anywhere in the image (vestigial).
- **THE TECHSTATUS / GAUGE-ALARM MODEL decoded 2026-08-04 [T1]:** the gauge-alarm
"condition" = a **STATUS-FLAG BIT INDEX** (0..6, TechStatusTypeCount). MechTech's
`TechnicalAssistance` edge-scans every monitored subsystem's `GetStatusFlags()`
(vtable +0x30) and on a bit flip calls `ReportStatusSet/Cleared(sink, owner, sub,
bitIndex, alarmModel)` → `GaugeAlarmManager::Activate(condition=bitIndex)` → the
SHARED 'mechalrm' stream's items matching that condition flash their lamps
(SetAlertState → RIO flashFast). The bit table, all byte-grounded overrides:
**bit 0** structure ≥ StatusThreshold (@004ac18c) | **bit 1** structure >
StatusFloor | **bit 2** coolantActive && HeatModelActive (CoolantLeaking) |
**bit 3** heatAlarm ≠ 0 | **bit 4** linked AmmoBin cookOffArmed (**AmmoBurning**)
| **bit 5** weaponAlarm == 5 (**Jammed**) | **bit 6** !HasVoltage (no usable
voltage; `HasVoltage` = source stateAlarm==2 Ready && |outputVoltage| > ε,
@004b0b5c). **Invite semantics:** conds 4/5 → gotoEngineering 0x80 + engEject
0x85 = the AMMO purge/unjam invite (flashes the very key whose streamed function
is EjectAmmo msg 0xB) — NEVER pilot eject; cond 6 → 0x80 + engBusMode 0x86 =
the bus-switch invite; cond 2 → the coolant loop/placement lamps (#98). The
PANIC LAMP (mode-linked, solid) is the SOLE pilot-eject indicator. **Electrical
subtlety [T1, @0049c9a8 + FUN_004b1f7c]:** the crit distributor touches nothing
electrical, and the generator sim has NO Ready-case recompute — a generator
destroyed IN PLACE keeps stale Ready voltage (no bit-6 invite) until any
transition (thermal trip → stateAlarm 4 GeneratorOut, short, switch-off)
recomputes output via `(1 − damage) × rated` and zeroes it. stateAlarm 4's
producer = the THERMAL BREAKER in GeneratorSimulation itself; a 2026-08-03
destruction→state-4 bridge was removed as unfounded.
- **DEATH SCORE COST decoded 2026-08-02 (#118 tail) [T1]:** the death handler tail
`@004c07cd-0x4c0828` (inside the @004c05c4 export gap — missing from the #52
reconstruction) gates on `advancedDamageOn`(+0x264) and hands the ENGINE base