From 754916997255e20bd398c12c0e7997b2eebfb085 Mon Sep 17 00:00:00 2001
From: Drew T <50529377+Druthulu@users.noreply.github.com>
Date: Sat, 12 Sep 2026 18:21:33 -0600
Subject: [PATCH] =?UTF-8?q?src(phase-37):=20T4=20step=20(d)=20t4=5Fsig6=20?=
 =?UTF-8?q?=E2=80=94=20restruct:=20signature=20func=5F80185578=20=E2=80=94?=
 =?UTF-8?q?=20IDENTICAL=20=C2=B7=203=20files=20written=20|=20R22=20check-a?=
 =?UTF-8?q?ll:=20218=20passed,=200=20failed=20of=20218=20|=20=F0=9F=9B=91?=
 =?UTF-8?q?=20T4=20in=20progress=20(S108,=20sig=5Fcycle)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .run/P36/delever/calibration.json         | 298 +++++++-------
 .run/P37/baseline/r22_t4_sig6.log         | 476 ++++++++++++++++++++++
 .run/P37/restruct/apply_t4_sig6.log       |   3 +
 .run/P37/restruct/calibrate_t4_sig6.log   |   5 +
 .run/P37/restruct/cycle_t4sig.log         |   6 +
 .run/P37/restruct/cycle_t4sig2.log        |   1 +
 .run/P37/restruct/ledger.jsonl            |   3 +
 .run/P37/restruct/run_t4_sig6.log         |   5 +
 .run/P37/restruct/snapshot_t4_sig6.log    |   1 +
 phase-ends/CURRENT_PHASE.md               |   4 +-
 src/ov_SC06_022/ov_SC06_022_jr_80182D08.c |   2 +-
 src/ov_SC06_022/ov_SC06_022_jr_80184304.c |   2 +-
 src/ov_SC06_022/ov_SC06_022_jr_80184A28.c |  25 +-
 13 files changed, 663 insertions(+), 168 deletions(-)
 create mode 100644 .run/P37/baseline/r22_t4_sig6.log
 create mode 100644 .run/P37/restruct/apply_t4_sig6.log
 create mode 100644 .run/P37/restruct/calibrate_t4_sig6.log
 create mode 100644 .run/P37/restruct/cycle_t4sig2.log
 create mode 100644 .run/P37/restruct/run_t4_sig6.log
 create mode 100644 .run/P37/restruct/snapshot_t4_sig6.log

diff --git a/.run/P36/delever/calibration.json b/.run/P36/delever/calibration.json
index 9d46781fbc..9a04d2ee6a 100644
--- a/.run/P36/delever/calibration.json
+++ b/.run/P36/delever/calibration.json
@@ -1,7 +1,7 @@
 {
- "head": "145d6a7cb",
+ "head": "e78a60b7d",
  "stamp": "e34b6679685f",
- "generated": "2026-09-12 18:16",
+ "generated": "2026-09-12 18:17",
  "aliases": [
   "main",
   "md_SC07_004",
@@ -21,175 +21,175 @@
   "main": {
    "objects": 85,
    "identical": 85,
-   "seconds": 6.5379999999999985,
-   "mean_s": 0.077
+   "seconds": 6.433,
+   "mean_s": 0.076
   },
   "md_SC07_004": {
    "objects": 1,
    "identical": 1,
-   "seconds": 0.505,
-   "mean_s": 0.505
+   "seconds": 0.516,
+   "mean_s": 0.516
   },
   "ov_SC03_015": {
    "objects": 32,
    "identical": 32,
-   "seconds": 4.484000000000001,
-   "mean_s": 0.14
+   "seconds": 4.572999999999999,
+   "mean_s": 0.143
   },
   "ov_SC04_011": {
    "objects": 28,
    "identical": 28,
-   "seconds": 3.8970000000000002,
-   "mean_s": 0.139
+   "seconds": 3.8070000000000004,
+   "mean_s": 0.136
   }
  },
  "per_object_seconds": {
-  "build/src/800.o": 0.754,
-  "build/src/800_b.o": 0.075,
-  "build/src/800_b_2.o": 0.284,
-  "build/src/800_b_o0a.o": 0.064,
-  "build/src/800_c.o": 0.184,
-  "build/src/800b2.o": 0.073,
-  "build/src/apicard1.o": 0.079,
-  "build/src/apicard2.o": 0.083,
-  "build/src/apicard3.o": 0.069,
-  "build/src/apicard4.o": 0.065,
-  "build/src/apicard5.o": 0.07,
-  "build/src/apicard6.o": 0.077,
-  "build/src/apicard7.o": 0.079,
-  "build/src/boot.o": 0.103,
-  "build/src/gap.o": 0.076,
-  "build/src/libapi1.o": 0.06,
-  "build/src/libapi2.o": 0.056,
-  "build/src/libc2_1.o": 0.058,
-  "build/src/libc2_2.o": 0.057,
-  "build/src/libcd1.o": 0.066,
-  "build/src/libcd2.o": 0.065,
+  "build/src/800.o": 0.709,
+  "build/src/800_b.o": 0.073,
+  "build/src/800_b_2.o": 0.31,
+  "build/src/800_b_o0a.o": 0.061,
+  "build/src/800_c.o": 0.187,
+  "build/src/800b2.o": 0.078,
+  "build/src/apicard1.o": 0.069,
+  "build/src/apicard2.o": 0.066,
+  "build/src/apicard3.o": 0.088,
+  "build/src/apicard4.o": 0.062,
+  "build/src/apicard5.o": 0.08,
+  "build/src/apicard6.o": 0.062,
+  "build/src/apicard7.o": 0.058,
+  "build/src/boot.o": 0.092,
+  "build/src/gap.o": 0.081,
+  "build/src/libapi1.o": 0.078,
+  "build/src/libapi2.o": 0.06,
+  "build/src/libc2_1.o": 0.063,
+  "build/src/libc2_2.o": 0.058,
+  "build/src/libcd1.o": 0.065,
+  "build/src/libcd2.o": 0.061,
   "build/src/libetc.o": 0.062,
-  "build/src/libgpu.o": 0.066,
-  "build/src/libgpu2.o": 0.073,
+  "build/src/libgpu.o": 0.065,
+  "build/src/libgpu2.o": 0.071,
   "build/src/libgs1.o": 0.059,
-  "build/src/libgs2.o": 0.067,
-  "build/src/libgs3.o": 0.062,
-  "build/src/libgs4.o": 0.065,
-  "build/src/libgs5.o": 0.06,
-  "build/src/libgs6.o": 0.07,
-  "build/src/libgs7.o": 0.062,
-  "build/src/libgs8.o": 0.059,
-  "build/src/libgte1.o": 0.069,
-  "build/src/libgte10.o": 0.059,
-  "build/src/libgte11.o": 0.055,
-  "build/src/libgte12.o": 0.063,
-  "build/src/libgte13.o": 0.061,
-  "build/src/libgte14.o": 0.063,
-  "build/src/libgte15.o": 0.063,
-  "build/src/libgte16.o": 0.066,
-  "build/src/libgte17.o": 0.061,
-  "build/src/libgte18.o": 0.066,
+  "build/src/libgs2.o": 0.058,
+  "build/src/libgs3.o": 0.065,
+  "build/src/libgs4.o": 0.06,
+  "build/src/libgs5.o": 0.058,
+  "build/src/libgs6.o": 0.073,
+  "build/src/libgs7.o": 0.058,
+  "build/src/libgs8.o": 0.057,
+  "build/src/libgte1.o": 0.06,
+  "build/src/libgte10.o": 0.06,
+  "build/src/libgte11.o": 0.06,
+  "build/src/libgte12.o": 0.055,
+  "build/src/libgte13.o": 0.058,
+  "build/src/libgte14.o": 0.058,
+  "build/src/libgte15.o": 0.058,
+  "build/src/libgte16.o": 0.064,
+  "build/src/libgte17.o": 0.062,
+  "build/src/libgte18.o": 0.061,
   "build/src/libgte19.o": 0.061,
-  "build/src/libgte2.o": 0.061,
-  "build/src/libgte20.o": 0.06,
-  "build/src/libgte21.o": 0.062,
-  "build/src/libgte22.o": 0.063,
-  "build/src/libgte23.o": 0.063,
-  "build/src/libgte24.o": 0.067,
-  "build/src/libgte25.o": 0.062,
-  "build/src/libgte26.o": 0.065,
-  "build/src/libgte27.o": 0.064,
-  "build/src/libgte28.o": 0.064,
-  "build/src/libgte29.o": 0.063,
-  "build/src/libgte3.o": 0.064,
-  "build/src/libgte30.o": 0.063,
+  "build/src/libgte2.o": 0.059,
+  "build/src/libgte20.o": 0.058,
+  "build/src/libgte21.o": 0.061,
+  "build/src/libgte22.o": 0.061,
+  "build/src/libgte23.o": 0.062,
+  "build/src/libgte24.o": 0.057,
+  "build/src/libgte25.o": 0.063,
+  "build/src/libgte26.o": 0.055,
+  "build/src/libgte27.o": 0.063,
+  "build/src/libgte28.o": 0.061,
+  "build/src/libgte29.o": 0.069,
+  "build/src/libgte3.o": 0.054,
+  "build/src/libgte30.o": 0.059,
   "build/src/libgte4.o": 0.06,
-  "build/src/libgte5.o": 0.061,
-  "build/src/libgte6.o": 0.061,
-  "build/src/libgte7.o": 0.064,
-  "build/src/libgte8.o": 0.063,
-  "build/src/libgte9.o": 0.062,
-  "build/src/libmcrd1.o": 0.076,
-  "build/src/libmcrd2.o": 0.059,
-  "build/src/libpad1.o": 0.067,
-  "build/src/libpad2.o": 0.064,
-  "build/src/sgap.o": 0.064,
-  "build/src/sgap_2.o": 0.061,
-  "build/src/sgap_3.o": 0.062,
-  "build/src/sgap_4.o": 0.071,
-  "build/src/sgap_5.o": 0.06,
-  "build/src/sgap_6.o": 0.056,
-  "build/src/sgap_8.o": 0.07,
-  "build/src/snd1.o": 0.069,
-  "build/src/snd10.o": 0.058,
+  "build/src/libgte5.o": 0.06,
+  "build/src/libgte6.o": 0.062,
+  "build/src/libgte7.o": 0.062,
+  "build/src/libgte8.o": 0.061,
+  "build/src/libgte9.o": 0.06,
+  "build/src/libmcrd1.o": 0.067,
+  "build/src/libmcrd2.o": 0.052,
+  "build/src/libpad1.o": 0.061,
+  "build/src/libpad2.o": 0.072,
+  "build/src/sgap.o": 0.062,
+  "build/src/sgap_2.o": 0.057,
+  "build/src/sgap_3.o": 0.061,
+  "build/src/sgap_4.o": 0.07,
+  "build/src/sgap_5.o": 0.064,
+  "build/src/sgap_6.o": 0.062,
+  "build/src/sgap_8.o": 0.064,
+  "build/src/snd1.o": 0.068,
+  "build/src/snd10.o": 0.061,
   "build/src/snd11.o": 0.063,
-  "build/src/snd12.o": 0.058,
-  "build/src/snd2.o": 0.066,
+  "build/src/snd12.o": 0.062,
+  "build/src/snd2.o": 0.069,
   "build/src/snd3.o": 0.065,
-  "build/src/snd4.o": 0.059,
-  "build/src/snd5.o": 0.062,
-  "build/src/snd6.o": 0.063,
-  "build/src/snd7.o": 0.062,
-  "build/src/snd8.o": 0.06,
-  "build/src/snd9.o": 0.062,
-  "build/src/md_SC07_004/md_SC07_004.o": 0.505,
-  "build/src/ov_SC03_015/ov_SC03_015.o": 0.124,
-  "build/src/ov_SC03_015/ov_SC03_015_after.o": 0.499,
-  "build/src/ov_SC03_015/ov_SC03_015_jr_8012ACE0.o": 0.384,
-  "build/src/ov_SC03_015/ov_SC03_015_jr_80135888.o": 0.062,
-  "build/src/ov_SC03_015/ov_SC03_015_jr_80135A4C.o": 0.057,
-  "build/src/ov_SC03_015/ov_SC03_015_jr_80135D20.o": 0.118,
-  "build/src/ov_SC03_015/ov_SC03_015_jr_801380E0.o": 0.163,
-  "build/src/ov_SC03_015/ov_SC03_015_jr_8013C98C.o": 0.109,
-  "build/src/ov_SC03_015/ov_SC03_015_jr_8013F350.o": 0.074,
-  "build/src/ov_SC03_015/ov_SC03_015_jr_8013FFD8.o": 0.069,
-  "build/src/ov_SC03_015/ov_SC03_015_jr_80140608.o": 0.18,
-  "build/src/ov_SC03_015/ov_SC03_015_jr_8015444C.o": 0.086,
-  "build/src/ov_SC03_015/ov_SC03_015_jr_80154C24.o": 0.177,
-  "build/src/ov_SC03_015/ov_SC03_015_jr_801588CC.o": 0.087,
+  "build/src/snd4.o": 0.065,
+  "build/src/snd5.o": 0.068,
+  "build/src/snd6.o": 0.078,
+  "build/src/snd7.o": 0.058,
+  "build/src/snd8.o": 0.055,
+  "build/src/snd9.o": 0.078,
+  "build/src/md_SC07_004/md_SC07_004.o": 0.516,
+  "build/src/ov_SC03_015/ov_SC03_015.o": 0.125,
+  "build/src/ov_SC03_015/ov_SC03_015_after.o": 0.492,
+  "build/src/ov_SC03_015/ov_SC03_015_jr_8012ACE0.o": 0.38,
+  "build/src/ov_SC03_015/ov_SC03_015_jr_80135888.o": 0.057,
+  "build/src/ov_SC03_015/ov_SC03_015_jr_80135A4C.o": 0.059,
+  "build/src/ov_SC03_015/ov_SC03_015_jr_80135D20.o": 0.136,
+  "build/src/ov_SC03_015/ov_SC03_015_jr_801380E0.o": 0.164,
+  "build/src/ov_SC03_015/ov_SC03_015_jr_8013C98C.o": 0.123,
+  "build/src/ov_SC03_015/ov_SC03_015_jr_8013F350.o": 0.084,
+  "build/src/ov_SC03_015/ov_SC03_015_jr_8013FFD8.o": 0.068,
+  "build/src/ov_SC03_015/ov_SC03_015_jr_80140608.o": 0.19,
+  "build/src/ov_SC03_015/ov_SC03_015_jr_8015444C.o": 0.073,
+  "build/src/ov_SC03_015/ov_SC03_015_jr_80154C24.o": 0.167,
+  "build/src/ov_SC03_015/ov_SC03_015_jr_801588CC.o": 0.086,
   "build/src/ov_SC03_015/ov_SC03_015_jr_80159C84.o": 0.06,
-  "build/src/ov_SC03_015/ov_SC03_015_jr_8015A3C8.o": 0.052,
-  "build/src/ov_SC03_015/ov_SC03_015_jr_8015AE2C.o": 0.086,
-  "build/src/ov_SC03_015/ov_SC03_015_jr_8015C32C.o": 0.447,
-  "build/src/ov_SC03_015/ov_SC03_015_jr_8016AB6C.o": 0.253,
-  "build/src/ov_SC03_015/ov_SC03_015_jr_80171B4C.o": 0.101,
-  "build/src/ov_SC03_015/ov_SC03_015_jr_801734BC.o": 0.186,
-  "build/src/ov_SC03_015/ov_SC03_015_jr_801789AC.o": 0.055,
-  "build/src/ov_SC03_015/ov_SC03_015_jr_80178D40.o": 0.095,
-  "build/src/ov_SC03_015/ov_SC03_015_jr_8017A4AC.o": 0.065,
-  "build/src/ov_SC03_015/ov_SC03_015_jr_8017AE2C.o": 0.165,
-  "build/src/ov_SC03_015/ov_SC03_015_jr_8017EB7C.o": 0.196,
-  "build/src/ov_SC03_015/ov_SC03_015_jr_80184440.o": 0.044,
-  "build/src/ov_SC03_015/ov_SC03_015_jr_801848E4.o": 0.266,
-  "build/src/ov_SC03_015/ov_SC03_015_o0b.o": 0.058,
-  "build/src/ov_SC03_015/ov_SC03_015_o0c.o": 0.052,
-  "build/src/ov_SC03_015/ov_SC03_015_o0d.o": 0.052,
-  "build/src/ov_SC03_015/ov_SC03_015_o0e.o": 0.062,
-  "build/src/ov_SC04_011/ov_SC04_011.o": 0.12,
-  "build/src/ov_SC04_011/ov_SC04_011_after.o": 0.419,
-  "build/src/ov_SC04_011/ov_SC04_011_jr_8012ACE0.o": 0.333,
-  "build/src/ov_SC04_011/ov_SC04_011_jr_80135888.o": 0.051,
-  "build/src/ov_SC04_011/ov_SC04_011_jr_80135A4C.o": 0.048,
-  "build/src/ov_SC04_011/ov_SC04_011_jr_80135D20.o": 0.109,
-  "build/src/ov_SC04_011/ov_SC04_011_jr_801380E0.o": 0.146,
-  "build/src/ov_SC04_011/ov_SC04_011_jr_8013C98C.o": 0.116,
-  "build/src/ov_SC04_011/ov_SC04_011_jr_8013F350.o": 0.067,
-  "build/src/ov_SC04_011/ov_SC04_011_jr_8013FFD8.o": 0.061,
-  "build/src/ov_SC04_011/ov_SC04_011_jr_80140608.o": 0.182,
-  "build/src/ov_SC04_011/ov_SC04_011_jr_8015444C.o": 0.066,
-  "build/src/ov_SC04_011/ov_SC04_011_jr_80154C24.o": 0.158,
-  "build/src/ov_SC04_011/ov_SC04_011_jr_801588CC.o": 0.085,
-  "build/src/ov_SC04_011/ov_SC04_011_jr_80159C84.o": 0.064,
-  "build/src/ov_SC04_011/ov_SC04_011_jr_8015A3C8.o": 0.066,
-  "build/src/ov_SC04_011/ov_SC04_011_jr_8015AE2C.o": 0.099,
-  "build/src/ov_SC04_011/ov_SC04_011_jr_8015C32C.o": 0.35,
-  "build/src/ov_SC04_011/ov_SC04_011_jr_8016AB6C.o": 0.215,
-  "build/src/ov_SC04_011/ov_SC04_011_jr_80171B4C.o": 0.099,
-  "build/src/ov_SC04_011/ov_SC04_011_jr_801734BC.o": 0.17,
-  "build/src/ov_SC04_011/ov_SC04_011_jr_801789AC.o": 0.06,
-  "build/src/ov_SC04_011/ov_SC04_011_jr_80178D40.o": 0.096,
-  "build/src/ov_SC04_011/ov_SC04_011_jr_8017A4AC.o": 0.067,
-  "build/src/ov_SC04_011/ov_SC04_011_jr_8017AE2C.o": 0.101,
-  "build/src/ov_SC04_011/ov_SC04_011_jr_8017D494.o": 0.436,
-  "build/src/ov_SC04_011/ov_SC04_011_o0b.o": 0.053,
-  "build/src/ov_SC04_011/ov_SC04_011_o0c.o": 0.06
+  "build/src/ov_SC03_015/ov_SC03_015_jr_8015A3C8.o": 0.07,
+  "build/src/ov_SC03_015/ov_SC03_015_jr_8015AE2C.o": 0.09,
+  "build/src/ov_SC03_015/ov_SC03_015_jr_8015C32C.o": 0.457,
+  "build/src/ov_SC03_015/ov_SC03_015_jr_8016AB6C.o": 0.244,
+  "build/src/ov_SC03_015/ov_SC03_015_jr_80171B4C.o": 0.09,
+  "build/src/ov_SC03_015/ov_SC03_015_jr_801734BC.o": 0.193,
+  "build/src/ov_SC03_015/ov_SC03_015_jr_801789AC.o": 0.068,
+  "build/src/ov_SC03_015/ov_SC03_015_jr_80178D40.o": 0.102,
+  "build/src/ov_SC03_015/ov_SC03_015_jr_8017A4AC.o": 0.073,
+  "build/src/ov_SC03_015/ov_SC03_015_jr_8017AE2C.o": 0.172,
+  "build/src/ov_SC03_015/ov_SC03_015_jr_8017EB7C.o": 0.19,
+  "build/src/ov_SC03_015/ov_SC03_015_jr_80184440.o": 0.055,
+  "build/src/ov_SC03_015/ov_SC03_015_jr_801848E4.o": 0.263,
+  "build/src/ov_SC03_015/ov_SC03_015_o0b.o": 0.055,
+  "build/src/ov_SC03_015/ov_SC03_015_o0c.o": 0.062,
+  "build/src/ov_SC03_015/ov_SC03_015_o0d.o": 0.055,
+  "build/src/ov_SC03_015/ov_SC03_015_o0e.o": 0.07,
+  "build/src/ov_SC04_011/ov_SC04_011.o": 0.118,
+  "build/src/ov_SC04_011/ov_SC04_011_after.o": 0.43,
+  "build/src/ov_SC04_011/ov_SC04_011_jr_8012ACE0.o": 0.338,
+  "build/src/ov_SC04_011/ov_SC04_011_jr_80135888.o": 0.046,
+  "build/src/ov_SC04_011/ov_SC04_011_jr_80135A4C.o": 0.049,
+  "build/src/ov_SC04_011/ov_SC04_011_jr_80135D20.o": 0.117,
+  "build/src/ov_SC04_011/ov_SC04_011_jr_801380E0.o": 0.14,
+  "build/src/ov_SC04_011/ov_SC04_011_jr_8013C98C.o": 0.105,
+  "build/src/ov_SC04_011/ov_SC04_011_jr_8013F350.o": 0.071,
+  "build/src/ov_SC04_011/ov_SC04_011_jr_8013FFD8.o": 0.057,
+  "build/src/ov_SC04_011/ov_SC04_011_jr_80140608.o": 0.168,
+  "build/src/ov_SC04_011/ov_SC04_011_jr_8015444C.o": 0.065,
+  "build/src/ov_SC04_011/ov_SC04_011_jr_80154C24.o": 0.157,
+  "build/src/ov_SC04_011/ov_SC04_011_jr_801588CC.o": 0.092,
+  "build/src/ov_SC04_011/ov_SC04_011_jr_80159C84.o": 0.065,
+  "build/src/ov_SC04_011/ov_SC04_011_jr_8015A3C8.o": 0.069,
+  "build/src/ov_SC04_011/ov_SC04_011_jr_8015AE2C.o": 0.085,
+  "build/src/ov_SC04_011/ov_SC04_011_jr_8015C32C.o": 0.353,
+  "build/src/ov_SC04_011/ov_SC04_011_jr_8016AB6C.o": 0.212,
+  "build/src/ov_SC04_011/ov_SC04_011_jr_80171B4C.o": 0.093,
+  "build/src/ov_SC04_011/ov_SC04_011_jr_801734BC.o": 0.158,
+  "build/src/ov_SC04_011/ov_SC04_011_jr_801789AC.o": 0.052,
+  "build/src/ov_SC04_011/ov_SC04_011_jr_80178D40.o": 0.088,
+  "build/src/ov_SC04_011/ov_SC04_011_jr_8017A4AC.o": 0.065,
+  "build/src/ov_SC04_011/ov_SC04_011_jr_8017AE2C.o": 0.092,
+  "build/src/ov_SC04_011/ov_SC04_011_jr_8017D494.o": 0.427,
+  "build/src/ov_SC04_011/ov_SC04_011_o0b.o": 0.046,
+  "build/src/ov_SC04_011/ov_SC04_011_o0c.o": 0.049
  },
  "ok": true,
  "seconds": 2.0
diff --git a/.run/P37/baseline/r22_t4_sig6.log b/.run/P37/baseline/r22_t4_sig6.log
new file mode 100644
index 0000000000..6aa57b5c4e
--- /dev/null
+++ b/.run/P37/baseline/r22_t4_sig6.log
@@ -0,0 +1,476 @@
+clean: removed build/, expected/, and the regenerated splat tree (asm/, assets/, undefined_*_auto.txt).
+disc-extract: up to date — extracted/retail/ matches the committed manifest (sha1 e5c6019249dec3c71bb2cf40658a78439dddb037)
+splat 0.41.0 (powered by spimdisasm 1.41.0)
+
  0%|          | 0/1096 [00:00<?, ?it/s]
Loading symbols (symbols.us):   0%|          | 0/1096 [00:00<?, ?it/s]
Loading symbols (symbols.us): 100%|██████████| 1096/1096 [00:00<00:00, 214550.41it/s]
+
  0%|          | 0/47 [00:00<?, ?it/s]
Loading symbols (symbols.us.ram):   0%|          | 0/47 [00:00<?, ?it/s]
Loading symbols (symbols.us.ram): 100%|██████████| 47/47 [00:00<00:00, 617969.55it/s]
+
  0%|          | 0/2 [00:00<?, ?it/s]
Scanning header:   0%|          | 0/2 [00:00<?, ?it/s]
Scanning main:   0%|          | 0/2 [00:00<?, ?it/s]  
+Rodata segment '800' may belong to the text segment '800'
+    Based on the usage from the function LzssDecodeSector to the symbol jtbl_80072A38
+
+The rodata segment '800' has jumptables that are not aligned properly file-wise, indicating one or more likely file split.
+File split suggestions for this segment will follow in config yaml format:
+      - [0x6324C, .rodata]
+      - [0x63388, .rodata]
+      - [0x633FC, .rodata]
+
+
+Rodata segment '800_b' may belong to the text segment '800_b'
+    Based on the usage from the function func_8002B0B4 to the symbol jtbl_80072E44
+
+Rodata segment '800_b_2' may belong to the text segment '800_b_2'
+    Based on the usage from the function func_8002DC68 to the symbol jtbl_80072F3C
+
+The rodata segment '800_b_2' has jumptables that are not aligned properly file-wise, indicating one or more likely file split.
+File split suggestions for this segment will follow in config yaml format:
+      - [0x63920, .rodata]
+
+
+Rodata segment '800_c' may belong to the text segment '800_c'
+    Based on the usage from the function func_80035270 to the symbol jtbl_800732A0
+
Scanning main: 100%|██████████| 2/2 [00:01<00:00,  1.68it/s]
Scanning main: 100%|██████████| 2/2 [00:01<00:00,  1.68it/s]
+
  0%|          | 0/2 [00:00<?, ?it/s]
Splitting header:   0%|          | 0/2 [00:00<?, ?it/s]
Splitting main:   0%|          | 0/2 [00:00<?, ?it/s]  
Splitting main: 100%|██████████| 2/2 [00:00<00:00,  2.92it/s]
Splitting main: 100%|██████████| 2/2 [00:00<00:00,  2.92it/s]
+
  0%|          | 0/2 [00:00<?, ?it/s]
Linker script header:   0%|          | 0/2 [00:00<?, ?it/s]
Linker script main:   0%|          | 0/2 [00:00<?, ?it/s]  
Linker script main: 100%|██████████| 2/2 [00:00<00:00, 110.54it/s]
+Split 340 KB (82.28%) in defined segments
+              header:     2 KB (0.50%) 1 split, 0 cached
+                   c:   338 KB (81.78%) 85 split, 0 cached
+             unknown:      0 B (0.00%) from unknown bin files
+ld_interleave --order: .main island = 8 pieces [53198.data.o, 800.o, 63470.data.o, 800_b.o, 800_b_2.o, 63940.data.o, 800_c.o, 63C4C.data.o]; pre=0 text=85 empties=166 bss=85
+[ OK ] resident
+[ OK ] ov_SC05_000
+[ OK ] ov_SC01_000
+[ OK ] ov_SC04_000
+[ OK ] ov_SC06_000
+[ OK ] ov_SC01_006
+[ OK ] ov_SC03_002
+[ OK ] ov_SC01_005
+[ OK ] ov_SC04_019
+[ OK ] ov_SC04_018
+[ OK ] ov_SC02_003
+[ OK ] ov_SC01_077
+[ OK ] ov_SC03_001
+[ OK ] ov_SC02_000
+[ OK ] ov_SC01_001
+[ OK ] ov_SC03_006
+[ OK ] ov_SC01_004
+[ OK ] ov_SC01_008
+[ OK ] ov_SC01_074
+[ OK ] ov_SC07_000
+[ OK ] ov_SC02_004
+[ OK ] ov_SC02_015
+[ OK ] ov_SC01_080
+[ OK ] ov_SC01_084
+[ OK ] ov_SC02_021
+[ OK ] ov_SC02_016
+[ OK ] ov_SC01_009
+[ OK ] ov_SC02_005
+[ OK ] ov_SC02_011
+[ OK ] ov_SC02_039
+[ OK ] ov_SC02_026
+[ OK ] ov_SC02_031
+[ OK ] ov_SC02_028
+[ OK ] ov_SC02_027
+[ OK ] ov_SC02_035
+[ OK ] ov_SC03_003
+[ OK ] ov_SC02_017
+[ OK ] ov_SC02_041
+[ OK ] ov_SC03_010
+[ OK ] ov_SC03_012
+[ OK ] ov_SC03_011
+[ OK ] ov_SC03_013
+[ OK ] ov_SC03_023
+[ OK ] ov_SC03_007
+[ OK ] ov_SC03_024
+[ OK ] ov_SC03_089
+[ OK ] ov_SC03_031
+[ OK ] ov_SC03_029
+[ OK ] ov_SC03_090
+[ OK ] ov_SC03_014
+[ OK ] ov_SC03_015
+[ OK ] ov_SC03_092
+[ OK ] ov_SC03_091
+[ OK ] ov_SC03_030
+[ OK ] ov_SC03_095
+[ OK ] ov_SC03_028
+[ OK ] ov_SC03_096
+[ OK ] ov_SC03_093
+[ OK ] ov_SC03_094
+[ OK ] ov_SC03_097
+[ OK ] ov_SC03_101
+[ OK ] ov_SC03_109
+[ OK ] ov_SC03_098
+[ OK ] ov_SC03_110
+[ OK ] ov_SC03_108
+[ OK ] ov_SC03_100
+[ OK ] ov_SC03_099
+[ OK ] ov_SC03_102
+[ OK ] ov_SC03_103
+[ OK ] ov_SC03_115
+[ OK ] ov_SC03_112
+[ OK ] ov_SC03_113
+[ OK ] ov_SC03_111
+[ OK ] ov_SC03_104
+[ OK ] ov_SC03_105
+[ OK ] ov_SC03_114
+[ OK ] ov_SC03_116
+[ OK ] ov_SC03_126
+[ OK ] ov_SC03_121
+[ OK ] ov_SC04_008
+[ OK ] ov_SC04_003
+[ OK ] ov_SC04_006
+[ OK ] ov_SC04_009
+[ OK ] ov_SC03_117
+[ OK ] ov_SC03_118
+[ OK ] ov_SC03_119
+[ OK ] ov_SC03_125
+[ OK ] ov_SC04_004
+[ OK ] ov_SC04_007
+[ OK ] ov_SC04_002
+[ OK ] ov_SC04_005
+[ OK ] ov_SC03_124
+[ OK ] ov_SC04_010
+[ OK ] ov_SC04_012
+[ OK ] ov_SC04_021
+[ OK ] ov_SC04_016
+[ OK ] ov_SC05_006
+[ OK ] ov_SC05_002
+[ OK ] ov_SC05_004
+[ OK ] ov_SC05_007
+[ OK ] ov_SC05_001
+[ OK ] ov_SC04_020
+[ OK ] ov_SC05_008
+[ OK ] ov_SC05_003
+[ OK ] ov_SC04_015
+[ OK ] ov_SC05_005
+[ OK ] ov_SC05_009
+[ OK ] ov_SC04_011
+[ OK ] ov_SC05_011
+[ OK ] ov_SC05_010
+[ OK ] ov_SC05_019
+[ OK ] ov_SC06_013
+[ OK ] ov_SC06_015
+[ OK ] ov_SC06_008
+[ OK ] ov_SC06_014
+[ OK ] ov_SC06_016
+[ OK ] ov_SC06_011
+[ OK ] ov_SC06_010
+[ OK ] ov_SC06_020
+[ OK ] ov_SC05_017
+[ OK ] ov_SC05_018
+[ OK ] ov_SC06_018
+[ OK ] ov_SC06_027
+[ OK ] ov_SC06_006
+[ OK ] ov_SC06_025
+[ OK ] ov_SC06_022
+[ OK ] ov_SC06_024
+[ OK ] md_MAIN_013
+[ OK ] ov_SC07_008
+[ OK ] ov_SC07_002
+[ OK ] md_MAIN_014
+[ OK ] md_MAIN_015
+[ OK ] md_MAIN_016
+[ OK ] md_MAIN_017
+[ OK ] ov_SC07_001
+[ OK ] md_MAIN_018
+[ OK ] md_MAIN_019
+[ OK ] ov_SC06_030
+[ OK ] md_MAIN_020
+[ OK ] md_MAIN_021
+[ OK ] md_MAIN_022
+[ OK ] md_MAIN_023
+[ OK ] md_MAIN_024
+[ OK ] md_MAIN_025
+[ OK ] ov_SC07_009
+[ OK ] md_MAIN_026
+[ OK ] ov_SC06_032
+[ OK ] md_MAIN_027
+[ OK ] md_MAIN_028
+[ OK ] md_MAIN_029
+[ OK ] md_MAIN_030
+[ OK ] md_MAIN_031
+[ OK ] md_MAIN_032
+[ OK ] md_MAIN_033
+[ OK ] md_MAIN_034
+[ OK ] md_MAIN_035
+[ OK ] md_MAIN_037
+[ OK ] md_MAIN_036
+[ OK ] md_MAIN_038
+[ OK ] md_MAIN_039
+[ OK ] md_MAIN_041
+[ OK ] ov_MAIN_012
+[ OK ] md_MAIN_040
+[ OK ] md_MAIN_042
+[ OK ] ov_SC06_029
+[ OK ] ov_SC06_033
+[ OK ] ov_SC07_011
+[ OK ] ov_SC07_010
+[ OK ] md_MAIN_043
+[ OK ] md_MAIN_044
+[ OK ] md_MAIN_045
+[ OK ] md_MAIN_046
+[ OK ] md_MAIN_008
+[ OK ] md_MAIN_047
+[ OK ] md_MAIN_001
+[ OK ] md_MAIN_011
+[ OK ] md_SC03_074
+[ OK ] md_SC03_073
+[ OK ] ov_SC07_007
+[ OK ] md_SC03_078
+[ OK ] md_SC03_075
+[ OK ] md_SC03_077
+[ OK ] md_SC03_076
+[ OK ] md_SC03_079
+[ OK ] md_SC03_132
+[ OK ] ov_SC03_107
+[ OK ] md_SC03_133
+[ OK ] md_SC03_137
+[ OK ] md_SC03_134
+[ OK ] md_SC03_135
+[ OK ] md_SC03_136
+[ OK ] md_MAIN_003
+[ OK ] md_SC04_024
+[ OK ] md_SC04_029
+[ OK ] md_SC04_026
+[ OK ] md_SC03_138
+[ OK ] md_SC04_025
+[ OK ] md_SC04_028
+[ OK ] md_SC04_027
+[ OK ] md_SC05_023
+[ OK ] md_SC05_024
+[ OK ] md_SC04_030
+[ OK ] md_SC05_025
+[ OK ] md_SC05_028
+[ OK ] md_MAIN_007
+[ OK ] md_MAIN_009
+[ OK ] md_SC05_027
+[ OK ] md_SC03_054
+[ OK ] md_SC03_056
+[ OK ] md_SC05_026
+[ OK ] md_SC03_053
+[ OK ] md_SC05_029
+[ OK ] md_SC02_009
+[ OK ] ov_SC02_037
+[ OK ] ov_SC07_006
+[ OK ] md_SC07_004
+[ OK ] md_SC07_003
+extract-all: 217 extracted, 0 failed of 217 (+ main, serial)
+[ OK ] resident
+[ OK ] ov_SC05_000
+[ OK ] ov_SC01_000
+[ OK ] ov_SC04_000
+[ OK ] ov_SC01_006
+[ OK ] ov_SC01_001
+[ OK ] ov_SC01_005
+[ OK ] ov_SC03_002
+[ OK ] ov_SC03_006
+[ OK ] ov_SC06_000
+[ OK ] ov_SC04_018
+[ OK ] ov_SC01_077
+[ OK ] ov_SC04_019
+[ OK ] ov_SC03_001
+[ OK ] ov_SC02_000
+[ OK ] ov_SC02_003
+[ OK ] ov_SC01_004
+[ OK ] ov_SC07_000
+[ OK ] ov_SC01_074
+[ OK ] ov_SC02_004
+[ OK ] ov_SC01_008
+[ OK ] ov_SC01_080
+[ OK ] ov_SC01_009
+[ OK ] ov_SC02_015
+[ OK ] ov_SC01_084
+[ OK ] ov_SC02_021
+[ OK ] ov_SC02_016
+[ OK ] ov_SC02_026
+[ OK ] ov_SC02_017
+[ OK ] ov_SC02_011
+[ OK ] ov_SC02_005
+[ OK ] ov_SC02_039
+[ OK ] ov_SC02_031
+[ OK ] ov_SC02_035
+[ OK ] ov_SC03_003
+[ OK ] ov_SC02_027
+[ OK ] ov_SC02_028
+[ OK ] ov_SC02_041
+[ OK ] ov_SC03_010
+[ OK ] ov_SC03_012
+[ OK ] ov_SC03_007
+[ OK ] ov_SC03_011
+[ OK ] ov_SC03_013
+[ OK ] ov_SC03_023
+[ OK ] ov_SC03_014
+[ OK ] ov_SC03_015
+[ OK ] ov_SC03_030
+[ OK ] ov_SC03_024
+[ OK ] ov_SC03_031
+[ OK ] ov_SC03_029
+[ OK ] ov_SC03_089
+[ OK ] ov_SC03_090
+[ OK ] ov_SC03_028
+[ OK ] main
+[ OK ] ov_SC03_092
+[ OK ] ov_SC03_093
+[ OK ] ov_SC03_091
+[ OK ] ov_SC03_095
+[ OK ] ov_SC03_096
+[ OK ] ov_SC03_094
+[ OK ] ov_SC03_097
+[ OK ] ov_SC03_098
+[ OK ] ov_SC03_099
+[ OK ] ov_SC03_101
+[ OK ] ov_SC03_100
+[ OK ] ov_SC03_109
+[ OK ] ov_SC03_102
+[ OK ] ov_SC03_103
+[ OK ] ov_SC03_108
+[ OK ] ov_SC03_110
+[ OK ] ov_SC03_114
+[ OK ] ov_SC03_111
+[ OK ] ov_SC03_113
+[ OK ] ov_SC03_104
+[ OK ] ov_SC03_105
+[ OK ] ov_SC03_112
+[ OK ] ov_SC03_115
+[ OK ] ov_SC03_116
+[ OK ] ov_SC03_117
+[ OK ] ov_SC03_118
+[ OK ] ov_SC03_119
+[ OK ] ov_SC03_126
+[ OK ] ov_SC03_121
+[ OK ] ov_SC03_125
+[ OK ] ov_SC04_003
+[ OK ] ov_SC04_004
+[ OK ] ov_SC04_006
+[ OK ] ov_SC04_008
+[ OK ] ov_SC04_002
+[ OK ] ov_SC03_124
+[ OK ] ov_SC04_005
+[ OK ] ov_SC04_009
+[ OK ] ov_SC04_007
+[ OK ] ov_SC04_010
+[ OK ] ov_SC04_012
+[ OK ] ov_SC04_015
+[ OK ] ov_SC04_016
+[ OK ] ov_SC04_021
+[ OK ] ov_SC04_020
+[ OK ] ov_SC04_011
+[ OK ] ov_SC05_002
+[ OK ] ov_SC05_005
+[ OK ] ov_SC05_006
+[ OK ] ov_SC05_003
+[ OK ] ov_SC05_004
+[ OK ] ov_SC05_001
+[ OK ] ov_SC05_007
+[ OK ] ov_SC05_009
+[ OK ] ov_SC05_008
+[ OK ] ov_SC05_010
+[ OK ] ov_SC05_011
+[ OK ] ov_SC05_019
+[ OK ] ov_SC06_010
+[ OK ] ov_SC06_013
+[ OK ] ov_SC06_015
+[ OK ] ov_SC06_011
+[ OK ] ov_SC06_008
+[ OK ] ov_SC05_018
+[ OK ] ov_SC06_014
+[ OK ] ov_SC06_006
+[ OK ] ov_SC06_016
+[ OK ] ov_SC06_020
+[ OK ] ov_SC05_017
+[ OK ] ov_SC06_022
+[ OK ] ov_SC06_018
+[ OK ] ov_SC06_024
+[ OK ] ov_SC06_025
+[ OK ] ov_SC06_027
+[ OK ] md_MAIN_013
+[ OK ] md_MAIN_014
+[ OK ] ov_SC07_009
+[ OK ] ov_SC07_008
+[ OK ] md_MAIN_015
+[ OK ] md_MAIN_016
+[ OK ] md_MAIN_017
+[ OK ] ov_SC06_030
+[ OK ] ov_SC07_001
+[ OK ] md_MAIN_018
+[ OK ] md_MAIN_019
+[ OK ] md_MAIN_021
+[ OK ] md_MAIN_020
+[ OK ] md_MAIN_022
+[ OK ] ov_SC07_002
+[ OK ] md_MAIN_023
+[ OK ] md_MAIN_024
+[ OK ] md_MAIN_026
+[ OK ] md_MAIN_025
+[ OK ] md_MAIN_027
+[ OK ] md_MAIN_028
+[ OK ] md_MAIN_029
+[ OK ] md_MAIN_030
+[ OK ] md_MAIN_032
+[ OK ] md_MAIN_031
+[ OK ] md_MAIN_033
+[ OK ] ov_SC07_010
+[ OK ] ov_SC06_029
+[ OK ] md_MAIN_034
+[ OK ] md_MAIN_035
+[ OK ] md_MAIN_036
+[ OK ] ov_SC07_007
+[ OK ] md_MAIN_037
+[ OK ] md_MAIN_038
+[ OK ] md_MAIN_039
+[ OK ] md_MAIN_040
+[ OK ] md_MAIN_041
+[ OK ] md_MAIN_042
+[ OK ] md_MAIN_043
+[ OK ] md_MAIN_044
+[ OK ] md_MAIN_045
+[ OK ] md_MAIN_047
+[ OK ] md_MAIN_046
+[ OK ] md_MAIN_001
+[ OK ] md_MAIN_008
+[ OK ] ov_SC07_006
+[ OK ] ov_MAIN_012
+[ OK ] md_MAIN_011
+[ OK ] md_SC03_073
+[ OK ] ov_SC07_011
+[ OK ] md_SC03_075
+[ OK ] md_SC03_074
+[ OK ] ov_SC06_032
+[ OK ] ov_SC06_033
+[ OK ] md_SC03_078
+[ OK ] md_SC03_079
+[ OK ] md_SC03_132
+[ OK ] md_SC03_077
+[ OK ] md_SC03_133
+[ OK ] md_SC07_003
+[ OK ] md_SC03_076
+[ OK ] md_SC03_134
+[ OK ] md_SC03_137
+[ OK ] md_SC04_024
+[ OK ] md_SC03_138
+[ OK ] md_SC04_025
+[ OK ] md_SC03_136
+[ OK ] md_SC04_026
+[ OK ] md_SC03_135
+[ OK ] md_SC04_029
+[ OK ] md_MAIN_003
+[ OK ] md_SC04_030
+[ OK ] md_SC05_023
+[ OK ] md_SC05_024
+[ OK ] md_SC04_028
+[ OK ] md_SC05_025
+[ OK ] md_SC04_027
+[ OK ] md_SC05_028
+[ OK ] md_SC05_029
+[ OK ] md_SC02_009
+[ OK ] md_MAIN_009
+[ OK ] md_MAIN_007
+[ OK ] md_SC05_027
+[ OK ] md_SC03_053
+[ OK ] md_SC05_026
+[ OK ] md_SC03_056
+[ OK ] md_SC07_004
+[ OK ] md_SC03_054
+[ OK ] ov_SC02_037
+[ OK ] ov_SC03_107
+check-all: 218 passed, 0 failed of 218
+wall=83.33 s
+exit=0
diff --git a/.run/P37/restruct/apply_t4_sig6.log b/.run/P37/restruct/apply_t4_sig6.log
new file mode 100644
index 0000000000..2273e5478c
--- /dev/null
+++ b/.run/P37/restruct/apply_t4_sig6.log
@@ -0,0 +1,3 @@
+18:20:07 signature func_80185578: `s32 func_80185578(s32 arg0, s32 arg1)` — 1 definition(s) in ['src/ov_SC06_022/ov_SC06_022_jr_80184A28.c'], 5 declarations in 2 other files
+18:20:07 signature func_80185578: IDENTICAL on every recipe (3 objects, 0.3 s) — 3 files written
+18:20:07 restruct: signature func_80185578 — IDENTICAL · 3 files written
diff --git a/.run/P37/restruct/calibrate_t4_sig6.log b/.run/P37/restruct/calibrate_t4_sig6.log
new file mode 100644
index 0000000000..ad70789f87
--- /dev/null
+++ b/.run/P37/restruct/calibrate_t4_sig6.log
@@ -0,0 +1,5 @@
+delever_oracle --calibrate main md_SC07_004 ov_SC03_015 ov_SC04_011: 146/146 objects byte-identical untouched; twin checks 32 (0 mismatch); positive control DIFFERS on build/src/800.o; 2.0 s — OK
+   main           85/85 identical, mean 0.076 s per object
+   md_SC07_004    1/1 identical, mean 0.516 s per object
+   ov_SC03_015    32/32 identical, mean 0.143 s per object
+   ov_SC04_011    28/28 identical, mean 0.136 s per object
diff --git a/.run/P37/restruct/cycle_t4sig.log b/.run/P37/restruct/cycle_t4sig.log
index 58bcf62c3e..670f66422e 100644
--- a/.run/P37/restruct/cycle_t4sig.log
+++ b/.run/P37/restruct/cycle_t4sig.log
@@ -7,3 +7,9 @@ cycle: t4_sig3 committed ee3419ff0 — restruct: signature func_80035210 — IDE
 log: t4_sig4
 cycle: t4_sig4 committed 145d6a7cb — restruct: signature func_800384A8 — IDENTICAL · 2 files written | check-all: 218 passed, 0 failed of 218
 log: t4_sig5
+cycle: t4_sig5 committed e78a60b7d — restruct: signature func_80183CC4 — COMPILE-ERROR · 0 files written | (no src change)
+cycle: t4_sig6 — no verify line
+Command exited with non-zero status 1
+t4_sig6 wall=40.05 s
+exit=1
+cycle exit=1
diff --git a/.run/P37/restruct/cycle_t4sig2.log b/.run/P37/restruct/cycle_t4sig2.log
new file mode 100644
index 0000000000..fd6c244b30
--- /dev/null
+++ b/.run/P37/restruct/cycle_t4sig2.log
@@ -0,0 +1 @@
+log: t4_sig6
diff --git a/.run/P37/restruct/ledger.jsonl b/.run/P37/restruct/ledger.jsonl
index f8c4d7f720..df67e8c04a 100644
--- a/.run/P37/restruct/ledger.jsonl
+++ b/.run/P37/restruct/ledger.jsonl
@@ -143663,3 +143663,6 @@
 {"ts": "2026-09-12 18:16:49", "label": "t4_sig5", "rung": "D", "calib": {"head": "145d6a7cb", "stamp": "e34b6679685f"}, "tu": "src/ov_SC03_029/ov_SC03_029_jr_80186A34.c", "unit": "def:func_80183CC4", "callee": "func_80183CC4", "signature": "s32 func_80183CC4(s16 *a0, s32 a1)", "definition": false, "verdict": "REFUSED", "err": "src/ov_SC03_006/ov_SC03_006_jr_8017AE2C.c:8227: `D_801AE958' undeclared (first use this function)\nsrc/ov_SC03_006/ov_SC03_006_jr_8017AE2C.c:8227: (Each undeclared identifier is reported only once\nsrc/", "nhash_before": null, "nhash_after": null, "sites": []}
 {"ts": "2026-09-12 18:16:49", "label": "t4_sig5", "rung": "D", "calib": {"head": "145d6a7cb", "stamp": "e34b6679685f"}, "tu": "src/ov_SC03_090/ov_SC03_090_jr_80188274.c", "unit": "def:func_80183CC4", "callee": "func_80183CC4", "signature": "s32 func_80183CC4(s16 *a0, s32 a1)", "definition": false, "verdict": "REFUSED", "err": "src/ov_SC03_006/ov_SC03_006_jr_8017AE2C.c:8227: `D_801AE958' undeclared (first use this function)\nsrc/ov_SC03_006/ov_SC03_006_jr_8017AE2C.c:8227: (Each undeclared identifier is reported only once\nsrc/", "nhash_before": null, "nhash_after": null, "sites": []}
 {"ts": "2026-09-12 18:16:49", "label": "t4_sig5", "rung": "D", "calib": {"head": "145d6a7cb", "stamp": "e34b6679685f"}, "tu": "src/ov_SC03_090/ov_SC03_090_jr_8018B58C.c", "unit": "def:func_80183CC4", "callee": "func_80183CC4", "signature": "s32 func_80183CC4(s16 *a0, s32 a1)", "definition": false, "verdict": "REFUSED", "err": "src/ov_SC03_006/ov_SC03_006_jr_8017AE2C.c:8227: `D_801AE958' undeclared (first use this function)\nsrc/ov_SC03_006/ov_SC03_006_jr_8017AE2C.c:8227: (Each undeclared identifier is reported only once\nsrc/", "nhash_before": null, "nhash_after": null, "sites": []}
+{"ts": "2026-09-12 18:20:07", "label": "t4_sig6", "rung": "D", "calib": {"head": "e78a60b7d", "stamp": "e34b6679685f"}, "tu": "src/ov_SC06_022/ov_SC06_022_jr_80184A28.c", "unit": "def:func_80185578", "callee": "func_80185578", "signature": "s32 func_80185578(s32 arg0, s32 arg1)", "definition": true, "verdict": "DECL-CANON", "err": "", "nhash_before": null, "nhash_after": null, "sites": []}
+{"ts": "2026-09-12 18:20:07", "label": "t4_sig6", "rung": "D", "calib": {"head": "e78a60b7d", "stamp": "e34b6679685f"}, "tu": "src/ov_SC06_022/ov_SC06_022_jr_80182D08.c", "unit": "def:func_80185578", "callee": "func_80185578", "signature": "s32 func_80185578(s32 arg0, s32 arg1)", "definition": false, "verdict": "DECL-CANON", "err": "", "nhash_before": null, "nhash_after": null, "sites": []}
+{"ts": "2026-09-12 18:20:07", "label": "t4_sig6", "rung": "D", "calib": {"head": "e78a60b7d", "stamp": "e34b6679685f"}, "tu": "src/ov_SC06_022/ov_SC06_022_jr_80184304.c", "unit": "def:func_80185578", "callee": "func_80185578", "signature": "s32 func_80185578(s32 arg0, s32 arg1)", "definition": false, "verdict": "DECL-CANON", "err": "", "nhash_before": null, "nhash_after": null, "sites": []}
diff --git a/.run/P37/restruct/run_t4_sig6.log b/.run/P37/restruct/run_t4_sig6.log
new file mode 100644
index 0000000000..dc9c8e3e41
--- /dev/null
+++ b/.run/P37/restruct/run_t4_sig6.log
@@ -0,0 +1,5 @@
+18:20:07 signature func_80185578: `s32 func_80185578(s32 arg0, s32 arg1)` — 1 definition(s) in ['src/ov_SC06_022/ov_SC06_022_jr_80184A28.c'], 5 declarations in 2 other files
+18:20:07 signature func_80185578: IDENTICAL on every recipe (3 objects, 0.3 s) — 3 files written
+18:20:07 restruct: signature func_80185578 — IDENTICAL · 3 files written
+t4_sig6 wall=39.90 s
+exit=0
diff --git a/.run/P37/restruct/snapshot_t4_sig6.log b/.run/P37/restruct/snapshot_t4_sig6.log
new file mode 100644
index 0000000000..9209860f0b
--- /dev/null
+++ b/.run/P37/restruct/snapshot_t4_sig6.log
@@ -0,0 +1 @@
+delever_oracle --snapshot-baseline: 7428 object(s) under .run/P36/delever/baseline at e78a60b7d; link inputs for 218/218 binaries under .run/P36/delever/baseline/_link (links.json)
diff --git a/phase-ends/CURRENT_PHASE.md b/phase-ends/CURRENT_PHASE.md
index 146986ee6d..b5d7349883 100644
--- a/phase-ends/CURRENT_PHASE.md
+++ b/phase-ends/CURRENT_PHASE.md
@@ -597,7 +597,9 @@ bucketed by what each bucket needs before any plan is proposed. **Candidates for
 
 - **2026-09-12 — T4 step (d) `t4_sig5`** (`restruct --apply --rung D --callee func_80183CC4 --body $A/ov_SC03_094__func_80183CC4/body.c --all-defs`; `.run/P37/restruct/run_t4_sig5.log`): `restruct: signature func_80183CC4 — COMPILE-ERROR · 0 files written` — (no src change) · cause: `signature func_80183CC4: COMPILE-ERROR src/ov_SC03_006/ov_SC03_006_jr_8017AE2C.c:8227: `D_801AE958' undeclared (first use this function)`.
 
-## 🛑 SESSION CHECKPOINT — S107 (2026-09-12, FINAL — written for a FRESH session at 84 % context; the session's last commit follows this): gate 1 APPROVED, **T0 ☑ T1 ☑ T2 ☑ T3 ☑ — T4 IN PROGRESS (☐)** — 🛑 **T4 NEXT: resume the declaration layer where the cycle stopped (below, §1 "T4 — where it stands and the exact next commands"); xHigh** | R22 `check-all: 218 passed, 0 failed of 218` at `f2b58011e` (every one of the 21 T4 commits carries its own) | HEAD after this commit is the checkpoint's commit; tree clean; nothing pushed after `79b2f6f15` (Drew pushes, R6) | last batch `t4_sig5` on 145d6a7cb: restruct: signature func_80183CC4 — COMPILE-ERROR · 0 files written
+- **2026-09-12 — T4 step (d) `t4_sig6`** (`restruct --apply --rung D --callee func_80185578 --body $A/ov_SC06_022__func_80185578/body.c --tu src/ov_SC06_022/ov_SC06_022_jr_80184A28.c`; `.run/P37/restruct/run_t4_sig6.log`): `restruct: signature func_80185578 — IDENTICAL · 3 files written` → R22 (`.run/P37/baseline/r22_t4_sig6.log`) **`check-all: 218 passed, 0 failed of 218`** (`wall=83.33 s`).
+
+## 🛑 SESSION CHECKPOINT — S107 (2026-09-12, FINAL — written for a FRESH session at 84 % context; the session's last commit follows this): gate 1 APPROVED, **T0 ☑ T1 ☑ T2 ☑ T3 ☑ — T4 IN PROGRESS (☐)** — 🛑 **T4 NEXT: resume the declaration layer where the cycle stopped (below, §1 "T4 — where it stands and the exact next commands"); xHigh** | R22 `check-all: 218 passed, 0 failed of 218` at `f2b58011e` (every one of the 21 T4 commits carries its own) | HEAD after this commit is the checkpoint's commit; tree clean; nothing pushed after `79b2f6f15` (Drew pushes, R6) | last batch `t4_sig6` on e78a60b7d: restruct: signature func_80185578 — IDENTICAL · 3 files written
 
 **Replay this block into the chat at the next session start (R64); it is the ONLY in-phase context the next session inherits. Everything below
 is what S107 knew and the next session must not re-derive.** **The checkpoint procedure (every session end, Drew 2026-09-12):** bank the
diff --git a/src/ov_SC06_022/ov_SC06_022_jr_80182D08.c b/src/ov_SC06_022/ov_SC06_022_jr_80182D08.c
index 05491429bb..e413aa877d 100644
--- a/src/ov_SC06_022/ov_SC06_022_jr_80182D08.c
+++ b/src/ov_SC06_022/ov_SC06_022_jr_80182D08.c
@@ -3602,7 +3602,7 @@ extern void func_80131E00(s32 a0, s32 a1);
 extern void func_8012B2CC(s32 a0);
 extern s32 func_80187EF4(s32 arg0, u16 arg1);
 extern void func_8012A828(s32 a0, void *a1);
-extern void func_80185578(s32 a0, s32 a1);
+extern s32 func_80185578(s32 arg0, s32 arg1);
 
 void func_80183FEC(s32 p) {
     s32 buf20[2];
diff --git a/src/ov_SC06_022/ov_SC06_022_jr_80184304.c b/src/ov_SC06_022/ov_SC06_022_jr_80184304.c
index bbe5150fc3..65d9315529 100644
--- a/src/ov_SC06_022/ov_SC06_022_jr_80184304.c
+++ b/src/ov_SC06_022/ov_SC06_022_jr_80184304.c
@@ -2975,7 +2975,7 @@ extern u8 D_801D4CC0[];
 extern void func_8012A828(s32 a0, void *a1);
 extern void func_8012B14C(s32 a0, s32 a1);
 extern void func_80131B14();
-extern void func_80185578(s32 a0, s32 a1);
+extern s32 func_80185578(s32 arg0, s32 arg1);
 
 void func_80184768(s32 *a0) {
     s32 s0 = a0;
diff --git a/src/ov_SC06_022/ov_SC06_022_jr_80184A28.c b/src/ov_SC06_022/ov_SC06_022_jr_80184A28.c
index 9c0d1177b6..00090cef01 100644
--- a/src/ov_SC06_022/ov_SC06_022_jr_80184A28.c
+++ b/src/ov_SC06_022/ov_SC06_022_jr_80184A28.c
@@ -2995,7 +2995,7 @@ void func_80184F88(s32 a0)
 
 
 extern void func_801850CC();  // K&R: 0 of 1 args (P37 rung D t4_D2)
-extern void func_80185578(s32 a0, s32 a1);
+extern s32 func_80185578(s32 arg0, s32 arg1);
 extern void func_8012A828(s32 a0, void * a1);
 
 void func_8018500C(s32 param_1) {
@@ -3285,36 +3285,32 @@ void func_801853B4(s32 a0) {
 
 
 /* SIMULATION of real-TU context: the TU carries these two rows before the def */
-extern void func_80185578(s32 a0, s32 a1);
-extern void func_80185578(s32 a0, s32 a1);
+extern s32 func_80185578(s32 arg0, s32 arg1);
+extern s32 func_80185578(s32 arg0, s32 arg1);
 
-void func_80185578(s32 arg0, s32 arg1) {
+s32 func_80185578(s32 arg0, s32 arg1) {
     extern u8 D_801BD0C4[];
     extern s32 D_801BD2FC[];
     extern u8 D_800D3918[];
     extern void func_80187414(s32 a0, void *a1, void *a2, s32 a3);
     extern void func_801873B0(s32 a0, void *a1, s32 a2, s32 a3, s32 a4, s32 a5);
     extern void func_8001C924(s32 a0, void *a1);
-    s32 rv;
     u8 buf[8];
-    s32 x = arg1;
-    s32 y;
+    s16 y = arg1;
     s32 res;
     s16 state;
     s32 flags;
 
-    __asm__("addu %0, %1, $zero" : "=r"(y) : "r"(x));  // !FAKE: instruction addu — NEEDED DIFFERS (P36 rung B tus9)
     state = *(u16 *)(arg0 + 0x70) & 0xF;
     flags = *(u32 *)(arg0 + 0xE0);
     if (flags & 4) {
-        rv = 0;
-        goto epi;
+        return 0;
     }
     switch (state) {
     case 0:
         if (flags & 1) {
             func_80187414(arg0, D_801BD0C4, buf, 0xC);
-            res = ((s32 (*)(s32, void *, s32, s32, s32, s32))func_801873B0)(arg0, buf, 0x27F, (s16)x, 0, 0);
+            res = ((s32 (*)(s32, void *, s32, s32, s32, s32))func_801873B0)(arg0, buf, 0x27F, (s16)arg1, 0, 0);
             *(s32 *)(arg0 + 0xD0) = res;
             *(u32 *)(arg0 + 0xE0) &= ~1;
             if (res != 0) {
@@ -3335,12 +3331,9 @@ void func_80185578(s32 arg0, s32 arg1) {
         }
         break;
     default:
-        rv = 1;
-        goto epi;
+        return 1;
     }
-    rv = 1;
-epi:
-    __asm__ volatile("" : : "r"(rv));  // !FAKE: keepalive — NEEDED DIFFERS (P36 rung B tus9)
+    return 1;
 }