Document ADV system menu input path

tools/age_opcodes_himegari.py

@@ -9,6 +9,7 @@ INFERRED: dict[int, dict] = {
     0x6c: dict(name='zero-int-range', category='compute', noop=False, confidence='high', source='investigation', summary='(destination)(count) — write logical integer zero to count consecutive VM cells beginning at the resolved destination.'),
     0x7b: dict(name='coroutine-save-yield-handlers', category='control', noop=False, confidence='high', source='investigation', summary='(handler1_pc)(handler2_pc) — scene-coroutine: save the two per-frame yield/resume handler PCs. Native writes op1→ctx[0x6da88+idx*4], op2→ctx[0x6db28+idx*4] (idx=ctx[0x53d14] script-context index); its generic handler prologue records the 5-dword instruction length. SC0000 0x79: `0x7b label_3c9 label_41e` registers the ADV per-frame render→poll→yield handlers. Part of the scene-coroutine framework (see engine-re.md §Scene-coroutine framework); pairs with 0x7c (resume) + 0x140 (loop iterator).'),
     0x7c: dict(name='coroutine-resume', category='control', noop=False, confidence='high', source='investigation', summary='() — scene-coroutine RESUME point. Native requires run-state bit 0x2000000 (ctx[0x6dbc8]) set — THROWS (__CxxThrowException) if unset, so it is only ever reached on a scheduler-driven re-entry, NEVER on a cold first pass (cold flow jmps over it). Restores PC=ctx[0x53d28]+ctx[0x6dbcc]*4, clears the run-bit (ctx+0xa0ce4 &= ~0x2000000), resets input/line state. SC0000 0x443 (falls into the main loop label_444). See engine-re.md §Scene-coroutine framework.'),
+    0x80: dict(name='set-default-gfx-object-slot', category='draw', noop=False, confidence='high', source='investigation', summary='(slot) - select the retained graphics-object slot used when op 0x1d9 receives explicit slot zero.'),
     0x86: dict(name='set-cursor-resource', category='input', noop=False, confidence='high', source='investigation', summary='(resource_id) - load an indexed cursor asset and install it as the active custom cursor.'),
     0x87: dict(name='clear-cursor-resource', category='input', noop=False, confidence='high', source='investigation', summary='Clear the active custom cursor and refresh the OS cursor when the game window is active.'),
     0x88: dict(name='set-message-skip', category='input', noop=False, confidence='high', source='investigation', summary='(enabled) - set persistent all-message Skip state. Nonzero makes the interpreter inject ADV fast-forward input every tick; zero stops injection and clears the transient skip run-state bit.'),
@@ -16,7 +17,7 @@ INFERRED: dict[int, dict] = {
     0x90: dict(name='register-hotspot-callbacks', category='input', noop=True, confidence='high', source='investigation', summary="(x)(y)(w)(h)(on_enter_pc)(on_leave_pc)(on_activate_pc) - append an inclusive cursor rectangle and three callback PCs to the current script frame's native input registry. This opcode only registers; the ADV input service dispatches callbacks later."),
     0x93: dict(name='cancel-hotspot-wait', category='input', noop=True, confidence='high', source='investigation', summary="Reset the current frame's hotspot registry/input wait and clear native run-state bit 0x00800000. Used before opening History, Menu, or HIDEWIN flows."),
     0x94: dict(name='arm-hotspot-wait', category='input', noop=True, confidence='high', source='investigation', summary='Arm native hotspot input processing after the script has registered its rectangles.'),
-    0x97: dict(name='bind-hotspot-key', category='input', noop=True, confidence='high', source='investigation', summary='(x)(y)(w)(h)(input_bit) - find the already-registered rectangle with identical bounds and bind an input/key bit number to it.'),
+    0x97: dict(name='bind-hotspot-key', category='input', noop=True, confidence='high', source='investigation', summary='(x)(y)(w)(h)(logical_action) - find the already-registered rectangle with identical bounds and bind a logical input action to its activation callback.'),
     0xae: dict(name='continue-save-load-stack-restore', category='control', noop=False, confidence='high', source='investigation', 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.'),
     0xb4: dict(name='sfx-load', category='audio', noop=False, confidence='high', source='investigation', summary="(packed_raw_resource_id)(channel) — synchronously open the universal SYS4INI/AAI catalog entry and replace the channel's decoded sound buffer without starting playback. A zero high byte is a raw SYS4INI index; a nonzero high byte selects an append catalog and uses the low 24-bit index. Native manager supports channels 0..12; SC0000 uses 0..9."),
     0xb5: dict(name='sfx-start', category='audio', noop=False, confidence='high', source='investigation', summary='(channel) — start the already-loaded channel once (logical loop=false). DirectSound publishes synchronously through Play(0,0,DSBPLAY_LOOPING); the low-level flag loops only the streaming ring, while decoder EOF stops logical playback.'),