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Implement History timed callback scrolling

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gamer147
2026-07-19 21:15:15 -04:00
parent 3fa09b8b42
commit 5ba16505d6
10 changed files with 291 additions and 37 deletions
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11
docs/engine-ctx-reference.md
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@@ -36,6 +36,16 @@ Struct `EngineCtx`, size `0xa1000`. Applied to the Ghidra `/v2` image (dispatch-
| `0x55248` | `ret_stack_a` | `void*` | per-frame return stack (op 0x8f call pushes) |
| `0x552e8` | `ret_stack_b` | `void*` | per-frame return stack (companion) |
| `0x5f304` | `sleep_timer` | `int` | sleep timer object (op 0xc8; +8 active, +0x14 start-ms, +0x18 duration) |
| `0x5f3ac` | `timed_callback_timer` | `int` | elapsed timer object armed by op 0xd5 and sampled by the timed callback scheduler |
| `0x5f690` | `timed_callback_abort_pc` | `int` | optional local fallback PC supplied to op 0xd5; -1 disables abort redirection |
| `0x5f694` | `timed_callback_entries_vector` | `int` | MSVC vector object base for 16-byte schedule entries; begin/end/capacity pointers follow |
| `0x5f698` | `timed_callback_entries_begin` | `void*` | begin pointer for 16-byte entries {deadline_ms, field_100, primary_pc, catchup_pc} |
| `0x5f69c` | `timed_callback_entries_end` | `void*` | end pointer for the timed callback entry vector |
| `0x5f6a0` | `timed_callback_entries_capacity` | `void*` | capacity-end pointer for the timed callback entry vector |
| `0x5f6a4` | `timed_callback_last_index` | `int` | last appended schedule index; op 0xd3 resets to -1 and op 0xd4 increments per entry |
| `0x5f6a8` | `timed_callback_cursor` | `int` | next schedule entry consumed by timed_callback_sequence_tick; op 0xd3 resets to zero |
| `0x5f6b4` | `timed_callback_script_resource_id` | `uint` | active frame script resource retained by op 0xd5 for local callback dispatch safety |
| `0x5f6b8` | `timed_callback_script_resource_guard` | `uint` | companion current-script identity checked before redirecting to a scheduled callback |
| `0x6da78` | `message_skip_activation_guard` | `int` | set when op 0x88 enables Skip; suppresses the enabling click from immediately becoming a hotspot activation |
| `0x6da80` | `message_skip_cancel_click_phase` | `int` | press/release phase used only when set:CancelMesSkipOnClick is nonzero |
| `0x6da88` | `coroutine_yield_a` | `void*` | op 0x7b yield-state save (op1 -> +ctxidx*4) |
@@ -51,3 +61,4 @@ Struct `EngineCtx`, size `0xa1000`. Applied to the Ghidra `/v2` image (dispatch-
| `0xa0cc4` | `screen_h` | `int` | screen height (480) |
| `0xa0cc8` | `screen_bpp` | `int` | screen bpp (8) |
| `0xa0ce4` | `run_state_flags` | `uint` | interpreter run-state flags (bit1 sleeping; 0x8000000 skip/fast-forward) |
| `0xa0ce8` | `timed_callback_abort_signal` | `int` | scheduler-polled abort/input signal cleared when op 0xd5 starts; redirects to abort PC when configured |