From 201584a707f6413939763a0086b236e713ae0714 Mon Sep 17 00:00:00 2001
From: petrie911 <69443847+petrie911@users.noreply.github.com>
Date: Sat, 26 Sep 2020 20:28:27 -0500
Subject: [PATCH] mori_bigst (#392)

* Darkmeiro decompilation

Bg_Gnd_Darkmeiro decompiled, matched, and documented.

* give this a shot

* fix conflict

* one more try

* mori_bigst matched and documented

* forgot the .s files again

* Update src/overlays/actors/ovl_Bg_Mori_Bigst/z_bg_mori_bigst.c

Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com>

* one .s got away

* more cleanup

* one more thing

* wait for mori tex

* cleanup

* Update z_bg_mori_bigst.c

Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com>
---
 .../ovl_Bg_Mori_Bigst/BgMoriBigst_Destroy.s   |  14 -
 .../ovl_Bg_Mori_Bigst/BgMoriBigst_Init.s      | 121 ---------
 .../ovl_Bg_Mori_Bigst/BgMoriBigst_Update.s    |  33 ---
 .../actors/ovl_Bg_Mori_Bigst/func_808A0BC0.s  |   3 -
 .../actors/ovl_Bg_Mori_Bigst/func_808A0BC8.s  |  50 ----
 .../actors/ovl_Bg_Mori_Bigst/func_808A0DDC.s  |  11 -
 .../actors/ovl_Bg_Mori_Bigst/func_808A0E04.s  |  59 -----
 .../actors/ovl_Bg_Mori_Bigst/func_808A0ED0.s  |  10 -
 .../actors/ovl_Bg_Mori_Bigst/func_808A0EF4.s  |  66 -----
 .../actors/ovl_Bg_Mori_Bigst/func_808A0FB0.s  |  31 ---
 .../actors/ovl_Bg_Mori_Bigst/func_808A1024.s  |  11 -
 .../actors/ovl_Bg_Mori_Bigst/func_808A104C.s  |  38 ---
 .../actors/ovl_Bg_Mori_Bigst/func_808A10D4.s  |  37 ---
 .../actors/ovl_Bg_Mori_Bigst/func_808A1164.s  |  13 -
 .../actors/ovl_Bg_Mori_Bigst/func_808A1190.s  | 108 --------
 .../actors/ovl_Bg_Mori_Bigst/func_808A12C4.s  |  27 --
 .../actors/ovl_Bg_Mori_Bigst/func_808A1320.s  |  10 -
 .../actors/ovl_Bg_Mori_Bigst/func_808A13B4.s  |  82 ------
 data/overlays/actors/z_bg_mori_bigst.data.s   |  20 --
 data/overlays/actors/z_bg_mori_bigst.reloc.s  |  13 -
 include/functions.h                           |   1 +
 spec                                          |   3 +-
 .../ovl_Bg_Mori_Bigst/z_bg_mori_bigst.c       | 243 ++++++++++++++++--
 .../ovl_Bg_Mori_Bigst/z_bg_mori_bigst.h       |   8 +-
 undefined_syms.txt                            |   4 +
 25 files changed, 235 insertions(+), 781 deletions(-)
 delete mode 100644 asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/BgMoriBigst_Destroy.s
 delete mode 100644 asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/BgMoriBigst_Init.s
 delete mode 100644 asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/BgMoriBigst_Update.s
 delete mode 100644 asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0BC0.s
 delete mode 100644 asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0BC8.s
 delete mode 100644 asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0DDC.s
 delete mode 100644 asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0E04.s
 delete mode 100644 asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0ED0.s
 delete mode 100644 asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0EF4.s
 delete mode 100644 asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0FB0.s
 delete mode 100644 asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A1024.s
 delete mode 100644 asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A104C.s
 delete mode 100644 asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A10D4.s
 delete mode 100644 asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A1164.s
 delete mode 100644 asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A1190.s
 delete mode 100644 asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A12C4.s
 delete mode 100644 asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A1320.s
 delete mode 100644 asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A13B4.s
 delete mode 100644 data/overlays/actors/z_bg_mori_bigst.data.s
 delete mode 100644 data/overlays/actors/z_bg_mori_bigst.reloc.s

diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/BgMoriBigst_Destroy.s b/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/BgMoriBigst_Destroy.s
deleted file mode 100644
index 561f4c9043..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/BgMoriBigst_Destroy.s
+++ /dev/null
@@ -1,14 +0,0 @@
-glabel BgMoriBigst_Destroy
-/* 001EC 808A0DAC 27BDFFE8 */  addiu   $sp, $sp, 0xFFE8           ## $sp = FFFFFFE8
-/* 001F0 808A0DB0 AFA40018 */  sw      $a0, 0x0018($sp)           
-/* 001F4 808A0DB4 8FAE0018 */  lw      $t6, 0x0018($sp)           
-/* 001F8 808A0DB8 AFBF0014 */  sw      $ra, 0x0014($sp)           
-/* 001FC 808A0DBC 00A02025 */  or      $a0, $a1, $zero            ## $a0 = 00000000
-/* 00200 808A0DC0 24A50810 */  addiu   $a1, $a1, 0x0810           ## $a1 = 00000810
-/* 00204 808A0DC4 0C00FB56 */  jal     DynaPolyInfo_Free
-              ## DynaPolyInfo_delReserve
-/* 00208 808A0DC8 8DC6014C */  lw      $a2, 0x014C($t6)           ## 0000014C
-/* 0020C 808A0DCC 8FBF0014 */  lw      $ra, 0x0014($sp)           
-/* 00210 808A0DD0 27BD0018 */  addiu   $sp, $sp, 0x0018           ## $sp = 00000000
-/* 00214 808A0DD4 03E00008 */  jr      $ra                        
-/* 00218 808A0DD8 00000000 */  nop
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/BgMoriBigst_Init.s b/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/BgMoriBigst_Init.s
deleted file mode 100644
index de63b63e8c..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/BgMoriBigst_Init.s
+++ /dev/null
@@ -1,121 +0,0 @@
-.rdata
-glabel D_808A1558
-    .asciz "mori (bigST.鍵型天井)(arg : %04x)(sw %d)(noE %d)(roomC %d)(playerPosY %f)\n"
-    .balign 4
-
-glabel D_808A15A4
-    .asciz "【ビッグスタルフォス鍵型天井】 バンク危険！\n"
-    .balign 4
-
-glabel D_808A15D4
-    .asciz "%s %d\n"
-    .balign 4
-
-glabel D_808A15DC
-    .asciz "../z_bg_mori_bigst.c"
-    .balign 4
-
-.text
-glabel BgMoriBigst_Init
-/* 00090 808A0C50 27BDFFB8 */  addiu   $sp, $sp, 0xFFB8           ## $sp = FFFFFFB8
-/* 00094 808A0C54 AFB00024 */  sw      $s0, 0x0024($sp)           
-/* 00098 808A0C58 00808025 */  or      $s0, $a0, $zero            ## $s0 = 00000000
-/* 0009C 808A0C5C AFB10028 */  sw      $s1, 0x0028($sp)           
-/* 000A0 808A0C60 00A08825 */  or      $s1, $a1, $zero            ## $s1 = 00000000
-/* 000A4 808A0C64 AFBF002C */  sw      $ra, 0x002C($sp)           
-/* 000A8 808A0C68 00A02025 */  or      $a0, $a1, $zero            ## $a0 = 00000000
-/* 000AC 808A0C6C 8605001C */  lh      $a1, 0x001C($s0)           ## 0000001C
-/* 000B0 808A0C70 00052A03 */  sra     $a1, $a1,  8               
-/* 000B4 808A0C74 0C00B2D0 */  jal     Flags_GetSwitch
-              
-/* 000B8 808A0C78 30A5003F */  andi    $a1, $a1, 0x003F           ## $a1 = 00000000
-/* 000BC 808A0C7C AFA20034 */  sw      $v0, 0x0034($sp)           
-/* 000C0 808A0C80 82050003 */  lb      $a1, 0x0003($s0)           ## 00000003
-/* 000C4 808A0C84 0C00B349 */  jal     Flags_GetTempClear
-              
-/* 000C8 808A0C88 02202025 */  or      $a0, $s1, $zero            ## $a0 = 00000000
-/* 000CC 808A0C8C AFA20038 */  sw      $v0, 0x0038($sp)           
-/* 000D0 808A0C90 82050003 */  lb      $a1, 0x0003($s0)           ## 00000003
-/* 000D4 808A0C94 0C00B337 */  jal     Flags_GetClear
-              
-/* 000D8 808A0C98 02202025 */  or      $a0, $s1, $zero            ## $a0 = 00000000
-/* 000DC 808A0C9C 8605001C */  lh      $a1, 0x001C($s0)           ## 0000001C
-/* 000E0 808A0CA0 AFA20010 */  sw      $v0, 0x0010($sp)           
-/* 000E4 808A0CA4 8E2E1C44 */  lw      $t6, 0x1C44($s1)           ## 00001C44
-/* 000E8 808A0CA8 3C04808A */  lui     $a0, %hi(D_808A1558)       ## $a0 = 808A0000
-/* 000EC 808A0CAC 24841558 */  addiu   $a0, $a0, %lo(D_808A1558)  ## $a0 = 808A1558
-/* 000F0 808A0CB0 C5C40028 */  lwc1    $f4, 0x0028($t6)           ## 00000028
-/* 000F4 808A0CB4 8FA60034 */  lw      $a2, 0x0034($sp)           
-/* 000F8 808A0CB8 8FA70038 */  lw      $a3, 0x0038($sp)           
-/* 000FC 808A0CBC 460021A1 */  cvt.d.s $f6, $f4                   
-/* 00100 808A0CC0 0C00084C */  jal     osSyncPrintf
-              
-/* 00104 808A0CC4 F7A60018 */  sdc1    $f6, 0x0018($sp)           
-/* 00108 808A0CC8 3C060600 */  lui     $a2, 0x0600                ## $a2 = 06000000
-/* 0010C 808A0CCC 24C6221C */  addiu   $a2, $a2, 0x221C           ## $a2 = 0600221C
-/* 00110 808A0CD0 02002025 */  or      $a0, $s0, $zero            ## $a0 = 00000000
-/* 00114 808A0CD4 02202825 */  or      $a1, $s1, $zero            ## $a1 = 00000000
-/* 00118 808A0CD8 0C2282F2 */  jal     func_808A0BC8              
-/* 0011C 808A0CDC 00003825 */  or      $a3, $zero, $zero          ## $a3 = 00000000
-/* 00120 808A0CE0 3C05808A */  lui     $a1, %hi(D_808A14E0)       ## $a1 = 808A0000
-/* 00124 808A0CE4 24A514E0 */  addiu   $a1, $a1, %lo(D_808A14E0)  ## $a1 = 808A14E0
-/* 00128 808A0CE8 0C01E037 */  jal     Actor_ProcessInitChain
-              
-/* 0012C 808A0CEC 02002025 */  or      $a0, $s0, $zero            ## $a0 = 00000000
-/* 00130 808A0CF0 3C010001 */  lui     $at, 0x0001                ## $at = 00010000
-/* 00134 808A0CF4 342117A4 */  ori     $at, $at, 0x17A4           ## $at = 000117A4
-/* 00138 808A0CF8 02212021 */  addu    $a0, $s1, $at              
-/* 0013C 808A0CFC 0C02604B */  jal     Object_GetIndex
-              ## ObjectIndex
-/* 00140 808A0D00 24050073 */  addiu   $a1, $zero, 0x0073         ## $a1 = 00000073
-/* 00144 808A0D04 A202016A */  sb      $v0, 0x016A($s0)           ## 0000016A
-/* 00148 808A0D08 820F016A */  lb      $t7, 0x016A($s0)           ## 0000016A
-/* 0014C 808A0D0C 3C04808A */  lui     $a0, %hi(D_808A15A4)       ## $a0 = 808A0000
-/* 00150 808A0D10 05E3000E */  bgezl   $t7, .L808A0D4C            
-/* 00154 808A0D14 8605001C */  lh      $a1, 0x001C($s0)           ## 0000001C
-/* 00158 808A0D18 0C00084C */  jal     osSyncPrintf
-              
-/* 0015C 808A0D1C 248415A4 */  addiu   $a0, $a0, %lo(D_808A15A4)  ## $a0 = 808A15A4
-/* 00160 808A0D20 3C04808A */  lui     $a0, %hi(D_808A15D4)       ## $a0 = 808A0000
-/* 00164 808A0D24 3C05808A */  lui     $a1, %hi(D_808A15DC)       ## $a1 = 808A0000
-/* 00168 808A0D28 24A515DC */  addiu   $a1, $a1, %lo(D_808A15DC)  ## $a1 = 808A15DC
-/* 0016C 808A0D2C 248415D4 */  addiu   $a0, $a0, %lo(D_808A15D4)  ## $a0 = 808A15D4
-/* 00170 808A0D30 0C00084C */  jal     osSyncPrintf
-              
-/* 00174 808A0D34 240600EA */  addiu   $a2, $zero, 0x00EA         ## $a2 = 000000EA
-/* 00178 808A0D38 0C00B55C */  jal     Actor_Kill
-              
-/* 0017C 808A0D3C 02002025 */  or      $a0, $s0, $zero            ## $a0 = 00000000
-/* 00180 808A0D40 10000016 */  beq     $zero, $zero, .L808A0D9C   
-/* 00184 808A0D44 8FBF002C */  lw      $ra, 0x002C($sp)           
-/* 00188 808A0D48 8605001C */  lh      $a1, 0x001C($s0)           ## 0000001C
-.L808A0D4C:
-/* 0018C 808A0D4C 02202025 */  or      $a0, $s1, $zero            ## $a0 = 00000000
-/* 00190 808A0D50 00052A03 */  sra     $a1, $a1,  8               
-/* 00194 808A0D54 0C00B2D0 */  jal     Flags_GetSwitch
-              
-/* 00198 808A0D58 30A5003F */  andi    $a1, $a1, 0x003F           ## $a1 = 00000000
-/* 0019C 808A0D5C 10400004 */  beq     $v0, $zero, .L808A0D70     
-/* 001A0 808A0D60 02002025 */  or      $a0, $s0, $zero            ## $a0 = 00000000
-/* 001A4 808A0D64 C608000C */  lwc1    $f8, 0x000C($s0)           ## 0000000C
-/* 001A8 808A0D68 10000006 */  beq     $zero, $zero, .L808A0D84   
-/* 001AC 808A0D6C E6080028 */  swc1    $f8, 0x0028($s0)           ## 00000028
-.L808A0D70:
-/* 001B0 808A0D70 3C014387 */  lui     $at, 0x4387                ## $at = 43870000
-/* 001B4 808A0D74 44818000 */  mtc1    $at, $f16                  ## $f16 = 270.00
-/* 001B8 808A0D78 C60A000C */  lwc1    $f10, 0x000C($s0)          ## 0000000C
-/* 001BC 808A0D7C 46105480 */  add.s   $f18, $f10, $f16           
-/* 001C0 808A0D80 E6120028 */  swc1    $f18, 0x0028($s0)          ## 00000028
-.L808A0D84:
-/* 001C4 808A0D84 0C00B56E */  jal     Actor_SetHeight
-              
-/* 001C8 808A0D88 3C054248 */  lui     $a1, 0x4248                ## $a1 = 42480000
-/* 001CC 808A0D8C 02002025 */  or      $a0, $s0, $zero            ## $a0 = 00000000
-/* 001D0 808A0D90 0C228377 */  jal     func_808A0DDC              
-/* 001D4 808A0D94 02202825 */  or      $a1, $s1, $zero            ## $a1 = 00000000
-/* 001D8 808A0D98 8FBF002C */  lw      $ra, 0x002C($sp)           
-.L808A0D9C:
-/* 001DC 808A0D9C 8FB00024 */  lw      $s0, 0x0024($sp)           
-/* 001E0 808A0DA0 8FB10028 */  lw      $s1, 0x0028($sp)           
-/* 001E4 808A0DA4 03E00008 */  jr      $ra                        
-/* 001E8 808A0DA8 27BD0048 */  addiu   $sp, $sp, 0x0048           ## $sp = 00000000
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/BgMoriBigst_Update.s b/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/BgMoriBigst_Update.s
deleted file mode 100644
index 2a99fafaa5..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/BgMoriBigst_Update.s
+++ /dev/null
@@ -1,33 +0,0 @@
-glabel BgMoriBigst_Update
-/* 00784 808A1344 27BDFFE0 */  addiu   $sp, $sp, 0xFFE0           ## $sp = FFFFFFE0
-/* 00788 808A1348 AFBF001C */  sw      $ra, 0x001C($sp)           
-/* 0078C 808A134C AFB00018 */  sw      $s0, 0x0018($sp)           
-/* 00790 808A1350 AFA50024 */  sw      $a1, 0x0024($sp)           
-/* 00794 808A1354 00808025 */  or      $s0, $a0, $zero            ## $s0 = 00000000
-/* 00798 808A1358 0C00B56E */  jal     Actor_SetHeight
-              
-/* 0079C 808A135C 3C054248 */  lui     $a1, 0x4248                ## $a1 = 42480000
-/* 007A0 808A1360 86020168 */  lh      $v0, 0x0168($s0)           ## 00000168
-/* 007A4 808A1364 18400002 */  blez    $v0, .L808A1370            
-/* 007A8 808A1368 244EFFFF */  addiu   $t6, $v0, 0xFFFF           ## $t6 = FFFFFFFF
-/* 007AC 808A136C A60E0168 */  sh      $t6, 0x0168($s0)           ## 00000168
-.L808A1370:
-/* 007B0 808A1370 0C010D64 */  jal     func_80043590              
-/* 007B4 808A1374 02002025 */  or      $a0, $s0, $zero            ## $a0 = 00000000
-/* 007B8 808A1378 10400003 */  beq     $v0, $zero, .L808A1388     
-/* 007BC 808A137C 8FA40024 */  lw      $a0, 0x0024($sp)           
-/* 007C0 808A1380 0C01D33A */  jal     func_80074CE8              
-/* 007C4 808A1384 24050006 */  addiu   $a1, $zero, 0x0006         ## $a1 = 00000006
-.L808A1388:
-/* 007C8 808A1388 8E020164 */  lw      $v0, 0x0164($s0)           ## 00000164
-/* 007CC 808A138C 02002025 */  or      $a0, $s0, $zero            ## $a0 = 00000000
-/* 007D0 808A1390 50400004 */  beql    $v0, $zero, .L808A13A4     
-/* 007D4 808A1394 8FBF001C */  lw      $ra, 0x001C($sp)           
-/* 007D8 808A1398 0040F809 */  jalr    $ra, $v0                   
-/* 007DC 808A139C 8FA50024 */  lw      $a1, 0x0024($sp)           
-/* 007E0 808A13A0 8FBF001C */  lw      $ra, 0x001C($sp)           
-.L808A13A4:
-/* 007E4 808A13A4 8FB00018 */  lw      $s0, 0x0018($sp)           
-/* 007E8 808A13A8 27BD0020 */  addiu   $sp, $sp, 0x0020           ## $sp = 00000000
-/* 007EC 808A13AC 03E00008 */  jr      $ra                        
-/* 007F0 808A13B0 00000000 */  nop
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0BC0.s b/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0BC0.s
deleted file mode 100644
index 0eab171c04..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0BC0.s
+++ /dev/null
@@ -1,3 +0,0 @@
-glabel func_808A0BC0
-/* 00000 808A0BC0 03E00008 */  jr      $ra                        
-/* 00004 808A0BC4 AC850164 */  sw      $a1, 0x0164($a0)           ## 00000164
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0BC8.s b/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0BC8.s
deleted file mode 100644
index 838517e0fc..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0BC8.s
+++ /dev/null
@@ -1,50 +0,0 @@
-.rdata
-glabel D_808A1500
-    .asciz "Warning : move BG 登録失敗(%s %d)(name %d)(arg_data 0x%04x)\n"
-    .balign 4
-
-glabel D_808A1540
-    .asciz "../z_bg_mori_bigst.c"
-    .balign 4
-
-.text
-glabel func_808A0BC8
-/* 00008 808A0BC8 27BDFFC8 */  addiu   $sp, $sp, 0xFFC8           ## $sp = FFFFFFC8
-/* 0000C 808A0BCC AFBF0024 */  sw      $ra, 0x0024($sp)           
-/* 00010 808A0BD0 AFB00020 */  sw      $s0, 0x0020($sp)           
-/* 00014 808A0BD4 AFA5003C */  sw      $a1, 0x003C($sp)           
-/* 00018 808A0BD8 00808025 */  or      $s0, $a0, $zero            ## $s0 = 00000000
-/* 0001C 808A0BDC AFA60040 */  sw      $a2, 0x0040($sp)           
-/* 00020 808A0BE0 AFA00030 */  sw      $zero, 0x0030($sp)         
-/* 00024 808A0BE4 0C010D20 */  jal     DynaPolyInfo_SetActorMove
-              
-/* 00028 808A0BE8 00E02825 */  or      $a1, $a3, $zero            ## $a1 = 00000000
-/* 0002C 808A0BEC 8FA40040 */  lw      $a0, 0x0040($sp)           
-/* 00030 808A0BF0 0C010620 */  jal     DynaPolyInfo_Alloc
-              
-/* 00034 808A0BF4 27A50030 */  addiu   $a1, $sp, 0x0030           ## $a1 = FFFFFFF8
-/* 00038 808A0BF8 8FA4003C */  lw      $a0, 0x003C($sp)           
-/* 0003C 808A0BFC 02003025 */  or      $a2, $s0, $zero            ## $a2 = 00000000
-/* 00040 808A0C00 8FA70030 */  lw      $a3, 0x0030($sp)           
-/* 00044 808A0C04 0C00FA9D */  jal     DynaPolyInfo_RegisterActor
-              ## DynaPolyInfo_setActor
-/* 00048 808A0C08 24850810 */  addiu   $a1, $a0, 0x0810           ## $a1 = 00000810
-/* 0004C 808A0C0C 24010032 */  addiu   $at, $zero, 0x0032         ## $at = 00000032
-/* 00050 808A0C10 1441000A */  bne     $v0, $at, .L808A0C3C       
-/* 00054 808A0C14 AE02014C */  sw      $v0, 0x014C($s0)           ## 0000014C
-/* 00058 808A0C18 860E001C */  lh      $t6, 0x001C($s0)           ## 0000001C
-/* 0005C 808A0C1C 3C04808A */  lui     $a0, %hi(D_808A1500)       ## $a0 = 808A0000
-/* 00060 808A0C20 3C05808A */  lui     $a1, %hi(D_808A1540)       ## $a1 = 808A0000
-/* 00064 808A0C24 86070000 */  lh      $a3, 0x0000($s0)           ## 00000000
-/* 00068 808A0C28 24A51540 */  addiu   $a1, $a1, %lo(D_808A1540)  ## $a1 = 808A1540
-/* 0006C 808A0C2C 24841500 */  addiu   $a0, $a0, %lo(D_808A1500)  ## $a0 = 808A1500
-/* 00070 808A0C30 240600BE */  addiu   $a2, $zero, 0x00BE         ## $a2 = 000000BE
-/* 00074 808A0C34 0C00084C */  jal     osSyncPrintf
-              
-/* 00078 808A0C38 AFAE0010 */  sw      $t6, 0x0010($sp)           
-.L808A0C3C:
-/* 0007C 808A0C3C 8FBF0024 */  lw      $ra, 0x0024($sp)           
-/* 00080 808A0C40 8FB00020 */  lw      $s0, 0x0020($sp)           
-/* 00084 808A0C44 27BD0038 */  addiu   $sp, $sp, 0x0038           ## $sp = 00000000
-/* 00088 808A0C48 03E00008 */  jr      $ra                        
-/* 0008C 808A0C4C 00000000 */  nop
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0DDC.s b/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0DDC.s
deleted file mode 100644
index 97a686b130..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0DDC.s
+++ /dev/null
@@ -1,11 +0,0 @@
-glabel func_808A0DDC
-/* 0021C 808A0DDC 27BDFFE8 */  addiu   $sp, $sp, 0xFFE8           ## $sp = FFFFFFE8
-/* 00220 808A0DE0 AFA5001C */  sw      $a1, 0x001C($sp)           
-/* 00224 808A0DE4 AFBF0014 */  sw      $ra, 0x0014($sp)           
-/* 00228 808A0DE8 3C05808A */  lui     $a1, %hi(func_808A0E04)    ## $a1 = 808A0000
-/* 0022C 808A0DEC 0C2282F0 */  jal     func_808A0BC0              
-/* 00230 808A0DF0 24A50E04 */  addiu   $a1, $a1, %lo(func_808A0E04) ## $a1 = 808A0E04
-/* 00234 808A0DF4 8FBF0014 */  lw      $ra, 0x0014($sp)           
-/* 00238 808A0DF8 27BD0018 */  addiu   $sp, $sp, 0x0018           ## $sp = 00000000
-/* 0023C 808A0DFC 03E00008 */  jr      $ra                        
-/* 00240 808A0E00 00000000 */  nop
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0E04.s b/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0E04.s
deleted file mode 100644
index ba0ddf92fb..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0E04.s
+++ /dev/null
@@ -1,59 +0,0 @@
-glabel func_808A0E04
-/* 00244 808A0E04 27BDFFE0 */  addiu   $sp, $sp, 0xFFE0           ## $sp = FFFFFFE0
-/* 00248 808A0E08 AFB00014 */  sw      $s0, 0x0014($sp)           
-/* 0024C 808A0E0C 3C010001 */  lui     $at, 0x0001                ## $at = 00010000
-/* 00250 808A0E10 00808025 */  or      $s0, $a0, $zero            ## $s0 = 00000000
-/* 00254 808A0E14 AFB10018 */  sw      $s1, 0x0018($sp)           
-/* 00258 808A0E18 342117A4 */  ori     $at, $at, 0x17A4           ## $at = 000117A4
-/* 0025C 808A0E1C 00A08825 */  or      $s1, $a1, $zero            ## $s1 = 00000000
-/* 00260 808A0E20 AFBF001C */  sw      $ra, 0x001C($sp)           
-/* 00264 808A0E24 00A12021 */  addu    $a0, $a1, $at              
-/* 00268 808A0E28 0C026062 */  jal     Object_IsLoaded
-              
-/* 0026C 808A0E2C 8205016A */  lb      $a1, 0x016A($s0)           ## 0000016A
-/* 00270 808A0E30 10400022 */  beq     $v0, $zero, .L808A0EBC     
-/* 00274 808A0E34 3C0E808A */  lui     $t6, %hi(func_808A13B4)    ## $t6 = 808A0000
-/* 00278 808A0E38 25CE13B4 */  addiu   $t6, $t6, %lo(func_808A13B4) ## $t6 = 808A13B4
-/* 0027C 808A0E3C AE0E0134 */  sw      $t6, 0x0134($s0)           ## 00000134
-/* 00280 808A0E40 02202025 */  or      $a0, $s1, $zero            ## $a0 = 00000000
-/* 00284 808A0E44 0C00B337 */  jal     Flags_GetClear
-              
-/* 00288 808A0E48 82050003 */  lb      $a1, 0x0003($s0)           ## 00000003
-/* 0028C 808A0E4C 10400019 */  beq     $v0, $zero, .L808A0EB4     
-/* 00290 808A0E50 02002025 */  or      $a0, $s0, $zero            ## $a0 = 00000000
-/* 00294 808A0E54 8E2F1C44 */  lw      $t7, 0x1C44($s1)           ## 00001C44
-/* 00298 808A0E58 3C01442F */  lui     $at, 0x442F                ## $at = 442F0000
-/* 0029C 808A0E5C 44812000 */  mtc1    $at, $f4                   ## $f4 = 700.00
-/* 002A0 808A0E60 C5E60028 */  lwc1    $f6, 0x0028($t7)           ## 00000028
-/* 002A4 808A0E64 4606203C */  c.lt.s  $f4, $f6                   
-/* 002A8 808A0E68 00000000 */  nop
-/* 002AC 808A0E6C 45000011 */  bc1f    .L808A0EB4                 
-/* 002B0 808A0E70 00000000 */  nop
-/* 002B4 808A0E74 8605001C */  lh      $a1, 0x001C($s0)           ## 0000001C
-/* 002B8 808A0E78 02202025 */  or      $a0, $s1, $zero            ## $a0 = 00000000
-/* 002BC 808A0E7C 00052A03 */  sra     $a1, $a1,  8               
-/* 002C0 808A0E80 0C00B2D0 */  jal     Flags_GetSwitch
-              
-/* 002C4 808A0E84 30A5003F */  andi    $a1, $a1, 0x003F           ## $a1 = 00000000
-/* 002C8 808A0E88 10400006 */  beq     $v0, $zero, .L808A0EA4     
-/* 002CC 808A0E8C 02002025 */  or      $a0, $s0, $zero            ## $a0 = 00000000
-/* 002D0 808A0E90 02002025 */  or      $a0, $s0, $zero            ## $a0 = 00000000
-/* 002D4 808A0E94 0C2284C8 */  jal     func_808A1320              
-/* 002D8 808A0E98 02202825 */  or      $a1, $s1, $zero            ## $a1 = 00000000
-/* 002DC 808A0E9C 10000008 */  beq     $zero, $zero, .L808A0EC0   
-/* 002E0 808A0EA0 8FBF001C */  lw      $ra, 0x001C($sp)           
-.L808A0EA4:
-/* 002E4 808A0EA4 0C2283BD */  jal     func_808A0EF4              
-/* 002E8 808A0EA8 02202825 */  or      $a1, $s1, $zero            ## $a1 = 00000000
-/* 002EC 808A0EAC 10000004 */  beq     $zero, $zero, .L808A0EC0   
-/* 002F0 808A0EB0 8FBF001C */  lw      $ra, 0x001C($sp)           
-.L808A0EB4:
-/* 002F4 808A0EB4 0C2283B4 */  jal     func_808A0ED0              
-/* 002F8 808A0EB8 02202825 */  or      $a1, $s1, $zero            ## $a1 = 00000000
-.L808A0EBC:
-/* 002FC 808A0EBC 8FBF001C */  lw      $ra, 0x001C($sp)           
-.L808A0EC0:
-/* 00300 808A0EC0 8FB00014 */  lw      $s0, 0x0014($sp)           
-/* 00304 808A0EC4 8FB10018 */  lw      $s1, 0x0018($sp)           
-/* 00308 808A0EC8 03E00008 */  jr      $ra                        
-/* 0030C 808A0ECC 27BD0020 */  addiu   $sp, $sp, 0x0020           ## $sp = 00000000
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0ED0.s b/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0ED0.s
deleted file mode 100644
index bac7a6edf1..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0ED0.s
+++ /dev/null
@@ -1,10 +0,0 @@
-glabel func_808A0ED0
-/* 00310 808A0ED0 27BDFFE8 */  addiu   $sp, $sp, 0xFFE8           ## $sp = FFFFFFE8
-/* 00314 808A0ED4 AFBF0014 */  sw      $ra, 0x0014($sp)           
-/* 00318 808A0ED8 AFA5001C */  sw      $a1, 0x001C($sp)           
-/* 0031C 808A0EDC 0C2282F0 */  jal     func_808A0BC0              
-/* 00320 808A0EE0 00002825 */  or      $a1, $zero, $zero          ## $a1 = 00000000
-/* 00324 808A0EE4 8FBF0014 */  lw      $ra, 0x0014($sp)           
-/* 00328 808A0EE8 27BD0018 */  addiu   $sp, $sp, 0x0018           ## $sp = 00000000
-/* 0032C 808A0EEC 03E00008 */  jr      $ra                        
-/* 00330 808A0EF0 00000000 */  nop
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0EF4.s b/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0EF4.s
deleted file mode 100644
index 731671d44a..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0EF4.s
+++ /dev/null
@@ -1,66 +0,0 @@
-.rdata
-glabel D_808A15F4
-    .asciz "Warning : 第２スタルフォス発生失敗\n"
-    .balign 4
-
-.late_rodata
-glabel D_808A16B0
-    .float 827.0
-glabel D_808A16B4
-    .float -3320.0
-
-.text
-glabel func_808A0EF4
-/* 00334 808A0EF4 27BDFFC0 */  addiu   $sp, $sp, 0xFFC0           ## $sp = FFFFFFC0
-/* 00338 808A0EF8 AFA50044 */  sw      $a1, 0x0044($sp)           
-/* 0033C 808A0EFC AFBF003C */  sw      $ra, 0x003C($sp)           
-/* 00340 808A0F00 AFB00038 */  sw      $s0, 0x0038($sp)           
-/* 00344 808A0F04 3C05808A */  lui     $a1, %hi(func_808A0FB0)    ## $a1 = 808A0000
-/* 00348 808A0F08 00808025 */  or      $s0, $a0, $zero            ## $s0 = 00000000
-/* 0034C 808A0F0C 0C2282F0 */  jal     func_808A0BC0              
-/* 00350 808A0F10 24A50FB0 */  addiu   $a1, $a1, %lo(func_808A0FB0) ## $a1 = 808A0FB0
-/* 00354 808A0F14 8FA40044 */  lw      $a0, 0x0044($sp)           
-/* 00358 808A0F18 0C00B342 */  jal     Flags_UnsetClear
-              
-/* 0035C 808A0F1C 82050003 */  lb      $a1, 0x0003($s0)           ## 00000003
-/* 00360 808A0F20 3C014351 */  lui     $at, 0x4351                ## $at = 43510000
-/* 00364 808A0F24 44812000 */  mtc1    $at, $f4                   ## $f4 = 209.00
-/* 00368 808A0F28 3C01808A */  lui     $at, %hi(D_808A16B0)       ## $at = 808A0000
-/* 0036C 808A0F2C C42616B0 */  lwc1    $f6, %lo(D_808A16B0)($at)  
-/* 00370 808A0F30 3C01808A */  lui     $at, %hi(D_808A16B4)       ## $at = 808A0000
-/* 00374 808A0F34 8FA60044 */  lw      $a2, 0x0044($sp)           
-/* 00378 808A0F38 C42816B4 */  lwc1    $f8, %lo(D_808A16B4)($at)  
-/* 0037C 808A0F3C 240E0001 */  addiu   $t6, $zero, 0x0001         ## $t6 = 00000001
-/* 00380 808A0F40 AFAE0028 */  sw      $t6, 0x0028($sp)           
-/* 00384 808A0F44 02002825 */  or      $a1, $s0, $zero            ## $a1 = 00000000
-/* 00388 808A0F48 24070002 */  addiu   $a3, $zero, 0x0002         ## $a3 = 00000002
-/* 0038C 808A0F4C AFA0001C */  sw      $zero, 0x001C($sp)         
-/* 00390 808A0F50 AFA00020 */  sw      $zero, 0x0020($sp)         
-/* 00394 808A0F54 AFA00024 */  sw      $zero, 0x0024($sp)         
-/* 00398 808A0F58 E7A40010 */  swc1    $f4, 0x0010($sp)           
-/* 0039C 808A0F5C E7A60014 */  swc1    $f6, 0x0014($sp)           
-/* 003A0 808A0F60 24C41C24 */  addiu   $a0, $a2, 0x1C24           ## $a0 = 00001C24
-/* 003A4 808A0F64 0C00C916 */  jal     Actor_SpawnAsChild
-              
-/* 003A8 808A0F68 E7A80018 */  swc1    $f8, 0x0018($sp)           
-/* 003AC 808A0F6C 10400006 */  beq     $v0, $zero, .L808A0F88     
-/* 003B0 808A0F70 3C04808A */  lui     $a0, %hi(D_808A15F4)       ## $a0 = 808A0000
-/* 003B4 808A0F74 860F0018 */  lh      $t7, 0x0018($s0)           ## 00000018
-/* 003B8 808A0F78 AE00011C */  sw      $zero, 0x011C($s0)         ## 0000011C
-/* 003BC 808A0F7C 25F80001 */  addiu   $t8, $t7, 0x0001           ## $t8 = 00000001
-/* 003C0 808A0F80 10000003 */  beq     $zero, $zero, .L808A0F90   
-/* 003C4 808A0F84 A6180018 */  sh      $t8, 0x0018($s0)           ## 00000018
-.L808A0F88:
-/* 003C8 808A0F88 0C00084C */  jal     osSyncPrintf
-              
-/* 003CC 808A0F8C 248415F4 */  addiu   $a0, $a0, %lo(D_808A15F4)  ## $a0 = 808A15F4
-.L808A0F90:
-/* 003D0 808A0F90 8FA40044 */  lw      $a0, 0x0044($sp)           
-/* 003D4 808A0F94 0C00B33C */  jal     Flags_SetClear
-              
-/* 003D8 808A0F98 82050003 */  lb      $a1, 0x0003($s0)           ## 00000003
-/* 003DC 808A0F9C 8FBF003C */  lw      $ra, 0x003C($sp)           
-/* 003E0 808A0FA0 8FB00038 */  lw      $s0, 0x0038($sp)           
-/* 003E4 808A0FA4 27BD0040 */  addiu   $sp, $sp, 0x0040           ## $sp = 00000000
-/* 003E8 808A0FA8 03E00008 */  jr      $ra                        
-/* 003EC 808A0FAC 00000000 */  nop
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0FB0.s b/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0FB0.s
deleted file mode 100644
index 3d67cbd4fe..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0FB0.s
+++ /dev/null
@@ -1,31 +0,0 @@
-glabel func_808A0FB0
-/* 003F0 808A0FB0 27BDFFE0 */  addiu   $sp, $sp, 0xFFE0           ## $sp = FFFFFFE0
-/* 003F4 808A0FB4 AFBF001C */  sw      $ra, 0x001C($sp)           
-/* 003F8 808A0FB8 848E0018 */  lh      $t6, 0x0018($a0)           ## 00000018
-/* 003FC 808A0FBC 00803825 */  or      $a3, $a0, $zero            ## $a3 = 00000000
-/* 00400 808A0FC0 3C0140A0 */  lui     $at, 0x40A0                ## $at = 40A00000
-/* 00404 808A0FC4 55C00014 */  bnel    $t6, $zero, .L808A1018     
-/* 00408 808A0FC8 8FBF001C */  lw      $ra, 0x001C($sp)           
-/* 0040C 808A0FCC C486000C */  lwc1    $f6, 0x000C($a0)           ## 0000000C
-/* 00410 808A0FD0 44814000 */  mtc1    $at, $f8                   ## $f8 = 5.00
-/* 00414 808A0FD4 8CAF1C44 */  lw      $t7, 0x1C44($a1)           ## 00001C44
-/* 00418 808A0FD8 46083281 */  sub.s   $f10, $f6, $f8             
-/* 0041C 808A0FDC C5E40028 */  lwc1    $f4, 0x0028($t7)           ## 00000028
-/* 00420 808A0FE0 4604503E */  c.le.s  $f10, $f4                  
-/* 00424 808A0FE4 00000000 */  nop
-/* 00428 808A0FE8 4502000B */  bc1fl   .L808A1018                 
-/* 0042C 808A0FEC 8FBF001C */  lw      $ra, 0x001C($sp)           
-/* 00430 808A0FF0 AFA50024 */  sw      $a1, 0x0024($sp)           
-/* 00434 808A0FF4 0C228409 */  jal     func_808A1024              
-/* 00438 808A0FF8 AFA70020 */  sw      $a3, 0x0020($sp)           
-/* 0043C 808A0FFC 8FA70020 */  lw      $a3, 0x0020($sp)           
-/* 00440 808A1000 8FA40024 */  lw      $a0, 0x0024($sp)           
-/* 00444 808A1004 24050C94 */  addiu   $a1, $zero, 0x0C94         ## $a1 = 00000C94
-/* 00448 808A1008 24060048 */  addiu   $a2, $zero, 0x0048         ## $a2 = 00000048
-/* 0044C 808A100C 0C02003E */  jal     func_800800F8              
-/* 00450 808A1010 AFA00010 */  sw      $zero, 0x0010($sp)         
-/* 00454 808A1014 8FBF001C */  lw      $ra, 0x001C($sp)           
-.L808A1018:
-/* 00458 808A1018 27BD0020 */  addiu   $sp, $sp, 0x0020           ## $sp = 00000000
-/* 0045C 808A101C 03E00008 */  jr      $ra                        
-/* 00460 808A1020 00000000 */  nop
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A1024.s b/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A1024.s
deleted file mode 100644
index 76ea164644..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A1024.s
+++ /dev/null
@@ -1,11 +0,0 @@
-glabel func_808A1024
-/* 00464 808A1024 27BDFFE8 */  addiu   $sp, $sp, 0xFFE8           ## $sp = FFFFFFE8
-/* 00468 808A1028 AFA5001C */  sw      $a1, 0x001C($sp)           
-/* 0046C 808A102C AFBF0014 */  sw      $ra, 0x0014($sp)           
-/* 00470 808A1030 3C05808A */  lui     $a1, %hi(func_808A104C)    ## $a1 = 808A0000
-/* 00474 808A1034 0C2282F0 */  jal     func_808A0BC0              
-/* 00478 808A1038 24A5104C */  addiu   $a1, $a1, %lo(func_808A104C) ## $a1 = 808A104C
-/* 0047C 808A103C 8FBF0014 */  lw      $ra, 0x0014($sp)           
-/* 00480 808A1040 27BD0018 */  addiu   $sp, $sp, 0x0018           ## $sp = 00000000
-/* 00484 808A1044 03E00008 */  jr      $ra                        
-/* 00488 808A1048 00000000 */  nop
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A104C.s b/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A104C.s
deleted file mode 100644
index 250783a51c..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A104C.s
+++ /dev/null
@@ -1,38 +0,0 @@
-glabel func_808A104C
-/* 0048C 808A104C 27BDFFD8 */  addiu   $sp, $sp, 0xFFD8           ## $sp = FFFFFFD8
-/* 00490 808A1050 AFBF0024 */  sw      $ra, 0x0024($sp)           
-/* 00494 808A1054 AFB00020 */  sw      $s0, 0x0020($sp)           
-/* 00498 808A1058 00808025 */  or      $s0, $a0, $zero            ## $s0 = 00000000
-/* 0049C 808A105C 0C00B638 */  jal     Actor_MoveForward
-              
-/* 004A0 808A1060 AFA5002C */  sw      $a1, 0x002C($sp)           
-/* 004A4 808A1064 C600000C */  lwc1    $f0, 0x000C($s0)           ## 0000000C
-/* 004A8 808A1068 C6040028 */  lwc1    $f4, 0x0028($s0)           ## 00000028
-/* 004AC 808A106C 02002025 */  or      $a0, $s0, $zero            ## $a0 = 00000000
-/* 004B0 808A1070 4600203E */  c.le.s  $f4, $f0                   
-/* 004B4 808A1074 00000000 */  nop
-/* 004B8 808A1078 45020012 */  bc1fl   .L808A10C4                 
-/* 004BC 808A107C 8FBF0024 */  lw      $ra, 0x0024($sp)           
-/* 004C0 808A1080 E6000028 */  swc1    $f0, 0x0028($s0)           ## 00000028
-/* 004C4 808A1084 0C228435 */  jal     func_808A10D4              
-/* 004C8 808A1088 8FA5002C */  lw      $a1, 0x002C($sp)           
-/* 004CC 808A108C 02002025 */  or      $a0, $s0, $zero            ## $a0 = 00000000
-/* 004D0 808A1090 0C00BE0A */  jal     Audio_PlayActorSound2
-              
-/* 004D4 808A1094 2405281D */  addiu   $a1, $zero, 0x281D         ## $a1 = 0000281D
-/* 004D8 808A1098 8FA4002C */  lw      $a0, 0x002C($sp)           
-/* 004DC 808A109C 240503FC */  addiu   $a1, $zero, 0x03FC         ## $a1 = 000003FC
-/* 004E0 808A10A0 24060008 */  addiu   $a2, $zero, 0x0008         ## $a2 = 00000008
-/* 004E4 808A10A4 02003825 */  or      $a3, $s0, $zero            ## $a3 = 00000000
-/* 004E8 808A10A8 0C02003E */  jal     func_800800F8              
-/* 004EC 808A10AC AFA00010 */  sw      $zero, 0x0010($sp)         
-/* 004F0 808A10B0 8FA4002C */  lw      $a0, 0x002C($sp)           
-/* 004F4 808A10B4 00002825 */  or      $a1, $zero, $zero          ## $a1 = 00000000
-/* 004F8 808A10B8 0C00B7CE */  jal     func_8002DF38              
-/* 004FC 808A10BC 2406003C */  addiu   $a2, $zero, 0x003C         ## $a2 = 0000003C
-/* 00500 808A10C0 8FBF0024 */  lw      $ra, 0x0024($sp)           
-.L808A10C4:
-/* 00504 808A10C4 8FB00020 */  lw      $s0, 0x0020($sp)           
-/* 00508 808A10C8 27BD0028 */  addiu   $sp, $sp, 0x0028           ## $sp = 00000000
-/* 0050C 808A10CC 03E00008 */  jr      $ra                        
-/* 00510 808A10D0 00000000 */  nop
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A10D4.s b/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A10D4.s
deleted file mode 100644
index 1bf469b2ca..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A10D4.s
+++ /dev/null
@@ -1,37 +0,0 @@
-glabel func_808A10D4
-/* 00514 808A10D4 27BDFFD0 */  addiu   $sp, $sp, 0xFFD0           ## $sp = FFFFFFD0
-/* 00518 808A10D8 AFA50034 */  sw      $a1, 0x0034($sp)           
-/* 0051C 808A10DC AFBF001C */  sw      $ra, 0x001C($sp)           
-/* 00520 808A10E0 3C05808A */  lui     $a1, %hi(func_808A1164)    ## $a1 = 808A0000
-/* 00524 808A10E4 AFA40030 */  sw      $a0, 0x0030($sp)           
-/* 00528 808A10E8 0C2282F0 */  jal     func_808A0BC0              
-/* 0052C 808A10EC 24A51164 */  addiu   $a1, $a1, %lo(func_808A1164) ## $a1 = 808A1164
-/* 00530 808A10F0 8FAF0030 */  lw      $t7, 0x0030($sp)           
-/* 00534 808A10F4 8FA20034 */  lw      $v0, 0x0034($sp)           
-/* 00538 808A10F8 240E0012 */  addiu   $t6, $zero, 0x0012         ## $t6 = 00000012
-/* 0053C 808A10FC A5EE0168 */  sh      $t6, 0x0168($t7)           ## 00000168
-/* 00540 808A1100 845807A0 */  lh      $t8, 0x07A0($v0)           ## 000007A0
-/* 00544 808A1104 24050003 */  addiu   $a1, $zero, 0x0003         ## $a1 = 00000003
-/* 00548 808A1108 0018C880 */  sll     $t9, $t8,  2               
-/* 0054C 808A110C 00594021 */  addu    $t0, $v0, $t9              
-/* 00550 808A1110 0C024BE2 */  jal     Quake_Add              
-/* 00554 808A1114 8D040790 */  lw      $a0, 0x0790($t0)           ## 00000790
-/* 00558 808A1118 00022400 */  sll     $a0, $v0, 16               
-/* 0055C 808A111C AFA20028 */  sw      $v0, 0x0028($sp)           
-/* 00560 808A1120 00042403 */  sra     $a0, $a0, 16               
-/* 00564 808A1124 0C024B6B */  jal     Quake_SetSpeed              
-/* 00568 808A1128 240561A8 */  addiu   $a1, $zero, 0x61A8         ## $a1 = 000061A8
-/* 0056C 808A112C 87A4002A */  lh      $a0, 0x002A($sp)           
-/* 00570 808A1130 24050005 */  addiu   $a1, $zero, 0x0005         ## $a1 = 00000005
-/* 00574 808A1134 00003025 */  or      $a2, $zero, $zero          ## $a2 = 00000000
-/* 00578 808A1138 00003825 */  or      $a3, $zero, $zero          ## $a3 = 00000000
-/* 0057C 808A113C AFA00010 */  sw      $zero, 0x0010($sp)         
-/* 00580 808A1140 0C024B9C */  jal     Quake_SetQuakeValues              
-/* 00584 808A1144 AFA40024 */  sw      $a0, 0x0024($sp)           
-/* 00588 808A1148 8FA40024 */  lw      $a0, 0x0024($sp)           
-/* 0058C 808A114C 0C024B7C */  jal     Quake_SetCountdown              
-/* 00590 808A1150 24050010 */  addiu   $a1, $zero, 0x0010         ## $a1 = 00000010
-/* 00594 808A1154 8FBF001C */  lw      $ra, 0x001C($sp)           
-/* 00598 808A1158 27BD0030 */  addiu   $sp, $sp, 0x0030           ## $sp = 00000000
-/* 0059C 808A115C 03E00008 */  jr      $ra                        
-/* 005A0 808A1160 00000000 */  nop
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A1164.s b/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A1164.s
deleted file mode 100644
index f5de908dce..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A1164.s
+++ /dev/null
@@ -1,13 +0,0 @@
-glabel func_808A1164
-/* 005A4 808A1164 27BDFFE8 */  addiu   $sp, $sp, 0xFFE8           ## $sp = FFFFFFE8
-/* 005A8 808A1168 AFBF0014 */  sw      $ra, 0x0014($sp)           
-/* 005AC 808A116C 848E0168 */  lh      $t6, 0x0168($a0)           ## 00000168
-/* 005B0 808A1170 5DC00004 */  bgtzl   $t6, .L808A1184            
-/* 005B4 808A1174 8FBF0014 */  lw      $ra, 0x0014($sp)           
-/* 005B8 808A1178 0C228464 */  jal     func_808A1190              
-/* 005BC 808A117C 00000000 */  nop
-/* 005C0 808A1180 8FBF0014 */  lw      $ra, 0x0014($sp)           
-.L808A1184:
-/* 005C4 808A1184 27BD0018 */  addiu   $sp, $sp, 0x0018           ## $sp = 00000000
-/* 005C8 808A1188 03E00008 */  jr      $ra                        
-/* 005CC 808A118C 00000000 */  nop
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A1190.s b/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A1190.s
deleted file mode 100644
index 51c9e16484..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A1190.s
+++ /dev/null
@@ -1,108 +0,0 @@
-.rdata
-glabel D_808A1618
-    .asciz "Warning : 第３-1スタルフォス発生失敗\n"
-    .balign 4
-
-glabel D_808A1640
-    .asciz "Warning : 第３-2スタルフォス発生失敗\n"
-    .balign 4
-
-.late_rodata
-glabel D_808A16B8
-    .float 827.0
-glabel D_808A16BC
-    .float -3383.0
-glabel D_808A16C0
-    .float 827.0
-glabel D_808A16C4
-    .float -3260.0
-
-.text
-glabel func_808A1190
-/* 005D0 808A1190 27BDFFB0 */  addiu   $sp, $sp, 0xFFB0           ## $sp = FFFFFFB0
-/* 005D4 808A1194 AFB10038 */  sw      $s1, 0x0038($sp)           
-/* 005D8 808A1198 00A08825 */  or      $s1, $a1, $zero            ## $s1 = 00000000
-/* 005DC 808A119C AFBF003C */  sw      $ra, 0x003C($sp)           
-/* 005E0 808A11A0 AFB00034 */  sw      $s0, 0x0034($sp)           
-/* 005E4 808A11A4 3C05808A */  lui     $a1, %hi(func_808A12C4)    ## $a1 = 808A0000
-/* 005E8 808A11A8 00808025 */  or      $s0, $a0, $zero            ## $s0 = 00000000
-/* 005EC 808A11AC 0C2282F0 */  jal     func_808A0BC0              
-/* 005F0 808A11B0 24A512C4 */  addiu   $a1, $a1, %lo(func_808A12C4) ## $a1 = 808A12C4
-/* 005F4 808A11B4 02202025 */  or      $a0, $s1, $zero            ## $a0 = 00000000
-/* 005F8 808A11B8 0C00B342 */  jal     Flags_UnsetClear
-              
-/* 005FC 808A11BC 82050003 */  lb      $a1, 0x0003($s0)           ## 00000003
-/* 00600 808A11C0 3C01428C */  lui     $at, 0x428C                ## $at = 428C0000
-/* 00604 808A11C4 44812000 */  mtc1    $at, $f4                   ## $f4 = 70.00
-/* 00608 808A11C8 3C01808A */  lui     $at, %hi(D_808A16B8)       ## $at = 808A0000
-/* 0060C 808A11CC C42616B8 */  lwc1    $f6, %lo(D_808A16B8)($at)  
-/* 00610 808A11D0 3C01808A */  lui     $at, %hi(D_808A16BC)       ## $at = 808A0000
-/* 00614 808A11D4 C42816BC */  lwc1    $f8, %lo(D_808A16BC)($at)  
-/* 00618 808A11D8 26241C24 */  addiu   $a0, $s1, 0x1C24           ## $a0 = 00001C24
-/* 0061C 808A11DC 240E0005 */  addiu   $t6, $zero, 0x0005         ## $t6 = 00000005
-/* 00620 808A11E0 AFAE0028 */  sw      $t6, 0x0028($sp)           
-/* 00624 808A11E4 AFA40044 */  sw      $a0, 0x0044($sp)           
-/* 00628 808A11E8 02002825 */  or      $a1, $s0, $zero            ## $a1 = 00000000
-/* 0062C 808A11EC 02203025 */  or      $a2, $s1, $zero            ## $a2 = 00000000
-/* 00630 808A11F0 24070002 */  addiu   $a3, $zero, 0x0002         ## $a3 = 00000002
-/* 00634 808A11F4 AFA0001C */  sw      $zero, 0x001C($sp)         
-/* 00638 808A11F8 AFA00020 */  sw      $zero, 0x0020($sp)         
-/* 0063C 808A11FC AFA00024 */  sw      $zero, 0x0024($sp)         
-/* 00640 808A1200 E7A40010 */  swc1    $f4, 0x0010($sp)           
-/* 00644 808A1204 E7A60014 */  swc1    $f6, 0x0014($sp)           
-/* 00648 808A1208 0C00C916 */  jal     Actor_SpawnAsChild
-              
-/* 0064C 808A120C E7A80018 */  swc1    $f8, 0x0018($sp)           
-/* 00650 808A1210 10400006 */  beq     $v0, $zero, .L808A122C     
-/* 00654 808A1214 3C04808A */  lui     $a0, %hi(D_808A1618)       ## $a0 = 808A0000
-/* 00658 808A1218 860F0018 */  lh      $t7, 0x0018($s0)           ## 00000018
-/* 0065C 808A121C AE00011C */  sw      $zero, 0x011C($s0)         ## 0000011C
-/* 00660 808A1220 25F80001 */  addiu   $t8, $t7, 0x0001           ## $t8 = 00000001
-/* 00664 808A1224 10000003 */  beq     $zero, $zero, .L808A1234   
-/* 00668 808A1228 A6180018 */  sh      $t8, 0x0018($s0)           ## 00000018
-.L808A122C:
-/* 0066C 808A122C 0C00084C */  jal     osSyncPrintf
-              
-/* 00670 808A1230 24841618 */  addiu   $a0, $a0, %lo(D_808A1618)  ## $a0 = 808A1618
-.L808A1234:
-/* 00674 808A1234 3C01432A */  lui     $at, 0x432A                ## $at = 432A0000
-/* 00678 808A1238 44815000 */  mtc1    $at, $f10                  ## $f10 = 170.00
-/* 0067C 808A123C 3C01808A */  lui     $at, %hi(D_808A16C0)       ## $at = 808A0000
-/* 00680 808A1240 C43016C0 */  lwc1    $f16, %lo(D_808A16C0)($at) 
-/* 00684 808A1244 3C01808A */  lui     $at, %hi(D_808A16C4)       ## $at = 808A0000
-/* 00688 808A1248 C43216C4 */  lwc1    $f18, %lo(D_808A16C4)($at) 
-/* 0068C 808A124C 24190005 */  addiu   $t9, $zero, 0x0005         ## $t9 = 00000005
-/* 00690 808A1250 AFB90028 */  sw      $t9, 0x0028($sp)           
-/* 00694 808A1254 8FA40044 */  lw      $a0, 0x0044($sp)           
-/* 00698 808A1258 02002825 */  or      $a1, $s0, $zero            ## $a1 = 00000000
-/* 0069C 808A125C 02203025 */  or      $a2, $s1, $zero            ## $a2 = 00000000
-/* 006A0 808A1260 24070002 */  addiu   $a3, $zero, 0x0002         ## $a3 = 00000002
-/* 006A4 808A1264 AFA0001C */  sw      $zero, 0x001C($sp)         
-/* 006A8 808A1268 AFA00020 */  sw      $zero, 0x0020($sp)         
-/* 006AC 808A126C AFA00024 */  sw      $zero, 0x0024($sp)         
-/* 006B0 808A1270 E7AA0010 */  swc1    $f10, 0x0010($sp)          
-/* 006B4 808A1274 E7B00014 */  swc1    $f16, 0x0014($sp)          
-/* 006B8 808A1278 0C00C916 */  jal     Actor_SpawnAsChild
-              
-/* 006BC 808A127C E7B20018 */  swc1    $f18, 0x0018($sp)          
-/* 006C0 808A1280 10400006 */  beq     $v0, $zero, .L808A129C     
-/* 006C4 808A1284 3C04808A */  lui     $a0, %hi(D_808A1640)       ## $a0 = 808A0000
-/* 006C8 808A1288 86080018 */  lh      $t0, 0x0018($s0)           ## 00000018
-/* 006CC 808A128C AE00011C */  sw      $zero, 0x011C($s0)         ## 0000011C
-/* 006D0 808A1290 25090001 */  addiu   $t1, $t0, 0x0001           ## $t1 = 00000001
-/* 006D4 808A1294 10000003 */  beq     $zero, $zero, .L808A12A4   
-/* 006D8 808A1298 A6090018 */  sh      $t1, 0x0018($s0)           ## 00000018
-.L808A129C:
-/* 006DC 808A129C 0C00084C */  jal     osSyncPrintf
-              
-/* 006E0 808A12A0 24841640 */  addiu   $a0, $a0, %lo(D_808A1640)  ## $a0 = 808A1640
-.L808A12A4:
-/* 006E4 808A12A4 02202025 */  or      $a0, $s1, $zero            ## $a0 = 00000000
-/* 006E8 808A12A8 0C00B33C */  jal     Flags_SetClear
-              
-/* 006EC 808A12AC 82050003 */  lb      $a1, 0x0003($s0)           ## 00000003
-/* 006F0 808A12B0 8FBF003C */  lw      $ra, 0x003C($sp)           
-/* 006F4 808A12B4 8FB00034 */  lw      $s0, 0x0034($sp)           
-/* 006F8 808A12B8 8FB10038 */  lw      $s1, 0x0038($sp)           
-/* 006FC 808A12BC 03E00008 */  jr      $ra                        
-/* 00700 808A12C0 27BD0050 */  addiu   $sp, $sp, 0x0050           ## $sp = 00000000
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A12C4.s b/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A12C4.s
deleted file mode 100644
index c2efdefd6c..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A12C4.s
+++ /dev/null
@@ -1,27 +0,0 @@
-glabel func_808A12C4
-/* 00704 808A12C4 27BDFFE8 */  addiu   $sp, $sp, 0xFFE8           ## $sp = FFFFFFE8
-/* 00708 808A12C8 AFBF0014 */  sw      $ra, 0x0014($sp)           
-/* 0070C 808A12CC AFA40018 */  sw      $a0, 0x0018($sp)           
-/* 00710 808A12D0 AFA5001C */  sw      $a1, 0x001C($sp)           
-/* 00714 808A12D4 848F0018 */  lh      $t7, 0x0018($a0)           ## 00000018
-/* 00718 808A12D8 55E0000E */  bnel    $t7, $zero, .L808A1314     
-/* 0071C 808A12DC 8FBF0014 */  lw      $ra, 0x0014($sp)           
-/* 00720 808A12E0 0C023A62 */  jal     Player_InCsMode              
-/* 00724 808A12E4 00A02025 */  or      $a0, $a1, $zero            ## $a0 = 00000000
-/* 00728 808A12E8 14400009 */  bne     $v0, $zero, .L808A1310     
-/* 0072C 808A12EC 8FB80018 */  lw      $t8, 0x0018($sp)           
-/* 00730 808A12F0 8705001C */  lh      $a1, 0x001C($t8)           ## 0000001C
-/* 00734 808A12F4 8FA4001C */  lw      $a0, 0x001C($sp)           
-/* 00738 808A12F8 00052A03 */  sra     $a1, $a1,  8               
-/* 0073C 808A12FC 0C00B2DD */  jal     Flags_SetSwitch
-              
-/* 00740 808A1300 30A5003F */  andi    $a1, $a1, 0x003F           ## $a1 = 00000000
-/* 00744 808A1304 8FA40018 */  lw      $a0, 0x0018($sp)           
-/* 00748 808A1308 0C2284C8 */  jal     func_808A1320              
-/* 0074C 808A130C 8FA5001C */  lw      $a1, 0x001C($sp)           
-.L808A1310:
-/* 00750 808A1310 8FBF0014 */  lw      $ra, 0x0014($sp)           
-.L808A1314:
-/* 00754 808A1314 27BD0018 */  addiu   $sp, $sp, 0x0018           ## $sp = 00000000
-/* 00758 808A1318 03E00008 */  jr      $ra                        
-/* 0075C 808A131C 00000000 */  nop
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A1320.s b/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A1320.s
deleted file mode 100644
index e14fb99738..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A1320.s
+++ /dev/null
@@ -1,10 +0,0 @@
-glabel func_808A1320
-/* 00760 808A1320 27BDFFE8 */  addiu   $sp, $sp, 0xFFE8           ## $sp = FFFFFFE8
-/* 00764 808A1324 AFBF0014 */  sw      $ra, 0x0014($sp)           
-/* 00768 808A1328 AFA5001C */  sw      $a1, 0x001C($sp)           
-/* 0076C 808A132C 0C2282F0 */  jal     func_808A0BC0              
-/* 00770 808A1330 00002825 */  or      $a1, $zero, $zero          ## $a1 = 00000000
-/* 00774 808A1334 8FBF0014 */  lw      $ra, 0x0014($sp)           
-/* 00778 808A1338 27BD0018 */  addiu   $sp, $sp, 0x0018           ## $sp = 00000000
-/* 0077C 808A133C 03E00008 */  jr      $ra                        
-/* 00780 808A1340 00000000 */  nop
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A13B4.s b/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A13B4.s
deleted file mode 100644
index df78378a61..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A13B4.s
+++ /dev/null
@@ -1,82 +0,0 @@
-.rdata
-glabel D_808A1668
-    .asciz "../z_bg_mori_bigst.c"
-    .balign 4
-
-glabel D_808A1680
-    .asciz "../z_bg_mori_bigst.c"
-    .balign 4
-
-glabel D_808A1698
-    .asciz "../z_bg_mori_bigst.c"
-    .balign 4
-
-.text
-glabel func_808A13B4
-/* 007F4 808A13B4 27BDFFB0 */  addiu   $sp, $sp, 0xFFB0           ## $sp = FFFFFFB0
-/* 007F8 808A13B8 AFB10018 */  sw      $s1, 0x0018($sp)           
-/* 007FC 808A13BC 00A08825 */  or      $s1, $a1, $zero            ## $s1 = 00000000
-/* 00800 808A13C0 AFBF001C */  sw      $ra, 0x001C($sp)           
-/* 00804 808A13C4 AFB00014 */  sw      $s0, 0x0014($sp)           
-/* 00808 808A13C8 AFA40050 */  sw      $a0, 0x0050($sp)           
-/* 0080C 808A13CC 8CA50000 */  lw      $a1, 0x0000($a1)           ## 00000000
-/* 00810 808A13D0 3C06808A */  lui     $a2, %hi(D_808A1668)       ## $a2 = 808A0000
-/* 00814 808A13D4 24C61668 */  addiu   $a2, $a2, %lo(D_808A1668)  ## $a2 = 808A1668
-/* 00818 808A13D8 27A40034 */  addiu   $a0, $sp, 0x0034           ## $a0 = FFFFFFE4
-/* 0081C 808A13DC 2407021D */  addiu   $a3, $zero, 0x021D         ## $a3 = 0000021D
-/* 00820 808A13E0 0C031AB1 */  jal     Graph_OpenDisps              
-/* 00824 808A13E4 00A08025 */  or      $s0, $a1, $zero            ## $s0 = 00000000
-/* 00828 808A13E8 0C024F46 */  jal     func_80093D18              
-/* 0082C 808A13EC 8E240000 */  lw      $a0, 0x0000($s1)           ## 00000000
-/* 00830 808A13F0 8E0202C0 */  lw      $v0, 0x02C0($s0)           ## 000002C0
-/* 00834 808A13F4 3C0FDB06 */  lui     $t7, 0xDB06                ## $t7 = DB060000
-/* 00838 808A13F8 35EF0020 */  ori     $t7, $t7, 0x0020           ## $t7 = DB060020
-/* 0083C 808A13FC 244E0008 */  addiu   $t6, $v0, 0x0008           ## $t6 = 00000008
-/* 00840 808A1400 AE0E02C0 */  sw      $t6, 0x02C0($s0)           ## 000002C0
-/* 00844 808A1404 AC4F0000 */  sw      $t7, 0x0000($v0)           ## 00000000
-/* 00848 808A1408 8FB80050 */  lw      $t8, 0x0050($sp)           
-/* 0084C 808A140C 3C0A0001 */  lui     $t2, 0x0001                ## $t2 = 00010000
-/* 00850 808A1410 3C0CDA38 */  lui     $t4, 0xDA38                ## $t4 = DA380000
-/* 00854 808A1414 8319016A */  lb      $t9, 0x016A($t8)           ## 0000016A
-/* 00858 808A1418 358C0003 */  ori     $t4, $t4, 0x0003           ## $t4 = DA380003
-/* 0085C 808A141C 3C05808A */  lui     $a1, %hi(D_808A1680)       ## $a1 = 808A0000
-/* 00860 808A1420 00194100 */  sll     $t0, $t9,  4               
-/* 00864 808A1424 01194021 */  addu    $t0, $t0, $t9              
-/* 00868 808A1428 00084080 */  sll     $t0, $t0,  2               
-/* 0086C 808A142C 02284821 */  addu    $t1, $s1, $t0              
-/* 00870 808A1430 01495021 */  addu    $t2, $t2, $t1              
-/* 00874 808A1434 8D4A17B4 */  lw      $t2, 0x17B4($t2)           ## 000117B4
-/* 00878 808A1438 24A51680 */  addiu   $a1, $a1, %lo(D_808A1680)  ## $a1 = 808A1680
-/* 0087C 808A143C 24060224 */  addiu   $a2, $zero, 0x0224         ## $a2 = 00000224
-/* 00880 808A1440 AC4A0004 */  sw      $t2, 0x0004($v0)           ## 00000004
-/* 00884 808A1444 8E0202C0 */  lw      $v0, 0x02C0($s0)           ## 000002C0
-/* 00888 808A1448 244B0008 */  addiu   $t3, $v0, 0x0008           ## $t3 = 00000008
-/* 0088C 808A144C AE0B02C0 */  sw      $t3, 0x02C0($s0)           ## 000002C0
-/* 00890 808A1450 AC4C0000 */  sw      $t4, 0x0000($v0)           ## 00000000
-/* 00894 808A1454 8E240000 */  lw      $a0, 0x0000($s1)           ## 00000000
-/* 00898 808A1458 0C0346A2 */  jal     Matrix_NewMtx              
-/* 0089C 808A145C AFA2002C */  sw      $v0, 0x002C($sp)           
-/* 008A0 808A1460 8FA3002C */  lw      $v1, 0x002C($sp)           
-/* 008A4 808A1464 3C0F0600 */  lui     $t7, 0x0600                ## $t7 = 06000000
-/* 008A8 808A1468 25EF1E50 */  addiu   $t7, $t7, 0x1E50           ## $t7 = 06001E50
-/* 008AC 808A146C AC620004 */  sw      $v0, 0x0004($v1)           ## 00000004
-/* 008B0 808A1470 8E0202C0 */  lw      $v0, 0x02C0($s0)           ## 000002C0
-/* 008B4 808A1474 3C0EDE00 */  lui     $t6, 0xDE00                ## $t6 = DE000000
-/* 008B8 808A1478 3C06808A */  lui     $a2, %hi(D_808A1698)       ## $a2 = 808A0000
-/* 008BC 808A147C 244D0008 */  addiu   $t5, $v0, 0x0008           ## $t5 = 00000008
-/* 008C0 808A1480 AE0D02C0 */  sw      $t5, 0x02C0($s0)           ## 000002C0
-/* 008C4 808A1484 AC4F0004 */  sw      $t7, 0x0004($v0)           ## 00000004
-/* 008C8 808A1488 AC4E0000 */  sw      $t6, 0x0000($v0)           ## 00000000
-/* 008CC 808A148C 8E250000 */  lw      $a1, 0x0000($s1)           ## 00000000
-/* 008D0 808A1490 24C61698 */  addiu   $a2, $a2, %lo(D_808A1698)  ## $a2 = 808A1698
-/* 008D4 808A1494 27A40034 */  addiu   $a0, $sp, 0x0034           ## $a0 = FFFFFFE4
-/* 008D8 808A1498 0C031AD5 */  jal     Graph_CloseDisps              
-/* 008DC 808A149C 24070229 */  addiu   $a3, $zero, 0x0229         ## $a3 = 00000229
-/* 008E0 808A14A0 8FBF001C */  lw      $ra, 0x001C($sp)           
-/* 008E4 808A14A4 8FB00014 */  lw      $s0, 0x0014($sp)           
-/* 008E8 808A14A8 8FB10018 */  lw      $s1, 0x0018($sp)           
-/* 008EC 808A14AC 03E00008 */  jr      $ra                        
-/* 008F0 808A14B0 27BD0050 */  addiu   $sp, $sp, 0x0050           ## $sp = 00000000
-/* 008F4 808A14B4 00000000 */  nop
-/* 008F8 808A14B8 00000000 */  nop
-/* 008FC 808A14BC 00000000 */  nop
diff --git a/data/overlays/actors/z_bg_mori_bigst.data.s b/data/overlays/actors/z_bg_mori_bigst.data.s
deleted file mode 100644
index d3eca92e46..0000000000
--- a/data/overlays/actors/z_bg_mori_bigst.data.s
+++ /dev/null
@@ -1,20 +0,0 @@
-.include "macro.inc"
-
- # assembler directives
- .set noat      # allow manual use of $at
- .set noreorder # don't insert nops after branches
- .set gp=64     # allow use of 64-bit general purpose registers
-
-.section .data
-
-.balign 16
-
-glabel Bg_Mori_Bigst_InitVars
- .word 0x00860100, 0x00000010, 0x00720000, 0x0000016C
-.word BgMoriBigst_Init
-.word BgMoriBigst_Destroy
-.word BgMoriBigst_Update
-.word 0x00000000
-glabel D_808A14E0
- .word 0xB0F40BB8, 0xB0F80BB8, 0xB0FC0BB8, 0xB86CFE0C, 0xB870D120, 0x485003E8, 0x00000000, 0x00000000
-
diff --git a/data/overlays/actors/z_bg_mori_bigst.reloc.s b/data/overlays/actors/z_bg_mori_bigst.reloc.s
deleted file mode 100644
index 838fda448f..0000000000
--- a/data/overlays/actors/z_bg_mori_bigst.reloc.s
+++ /dev/null
@@ -1,13 +0,0 @@
-.include "macro.inc"
-
- # assembler directives
- .set noat      # allow manual use of $at
- .set noreorder # don't insert nops after branches
- .set gp=64     # allow use of 64-bit general purpose registers
-
-.section .rodata
-
-.balign 16
-
-glabel D_808A16D0
-    .incbin "baserom/ovl_Bg_Mori_Bigst", 0xB10, 0x00000130
diff --git a/include/functions.h b/include/functions.h
index 5fa21c736b..a33e91c0eb 100644
--- a/include/functions.h
+++ b/include/functions.h
@@ -927,6 +927,7 @@ void func_80073988(GlobalContext*, EnvironmentContext*, View*, GraphicsContext*,
 // ? func_80073A5C(?);
 f32 func_800746DC();
 // ? func_80074704(?);
+void func_80074CE8(GlobalContext* globalCtx, s32 arg1);
 // ? func_80074D6C(?);
 // ? func_80074FF4(?);
 // ? func_800750C0(?);
diff --git a/spec b/spec
index 360afe5ae7..247fb340c3 100644
--- a/spec
+++ b/spec
@@ -1099,8 +1099,7 @@ endseg
 beginseg
     name "ovl_Bg_Mori_Bigst"
     include "build/src/overlays/actors/ovl_Bg_Mori_Bigst/z_bg_mori_bigst.o"
-    include "build/data/overlays/actors/z_bg_mori_bigst.data.o"
-    include "build/data/overlays/actors/z_bg_mori_bigst.reloc.o"
+    include "build/src/overlays/actors/ovl_Bg_Mori_Bigst/ovl_Bg_Mori_Bigst_reloc.o"
 endseg
 
 beginseg
diff --git a/src/overlays/actors/ovl_Bg_Mori_Bigst/z_bg_mori_bigst.c b/src/overlays/actors/ovl_Bg_Mori_Bigst/z_bg_mori_bigst.c
index a769f40107..4b9042ea95 100644
--- a/src/overlays/actors/ovl_Bg_Mori_Bigst/z_bg_mori_bigst.c
+++ b/src/overlays/actors/ovl_Bg_Mori_Bigst/z_bg_mori_bigst.c
@@ -1,3 +1,9 @@
+/*
+ * File: z_bg_mori_bigst.c
+ * Overlay: ovl_Bg_Mori_Bigst
+ * Description: Forest Temple falling platform and Stalfos fight
+ */
+
 #include "z_bg_mori_bigst.h"
 
 #define FLAGS 0x00000010
@@ -7,8 +13,24 @@
 void BgMoriBigst_Init(Actor* thisx, GlobalContext* globalCtx);
 void BgMoriBigst_Destroy(Actor* thisx, GlobalContext* globalCtx);
 void BgMoriBigst_Update(Actor* thisx, GlobalContext* globalCtx);
+void BgMoriBigst_Draw(Actor* thisx, GlobalContext* globalCtx);
+
+void BgMoriBigst_SetupWaitForMoriTex(BgMoriBigst* this, GlobalContext* globalCtx);
+void BgMoriBigst_WaitForMoriTex(BgMoriBigst* this, GlobalContext* globalCtx);
+void BgMoriBigst_SetupNoop(BgMoriBigst* this, GlobalContext* globalCtx);
+void BgMoriBigst_SetupStalfosFight(BgMoriBigst* this, GlobalContext* globalCtx);
+void BgMoriBigst_StalfosFight(BgMoriBigst* this, GlobalContext* globalCtx);
+void BgMoriBigst_SetupFall(BgMoriBigst* this, GlobalContext* globalCtx);
+void BgMoriBigst_Fall(BgMoriBigst* this, GlobalContext* globalCtx);
+void BgMoriBigst_SetupLanding(BgMoriBigst* this, GlobalContext* globalCtx);
+void BgMoriBigst_Landing(BgMoriBigst* this, GlobalContext* globalCtx);
+void BgMoriBigst_SetupStalfosPairFight(BgMoriBigst* this, GlobalContext* globalCtx);
+void BgMoriBigst_StalfosPairFight(BgMoriBigst* this, GlobalContext* globalCtx);
+void BgMoriBigst_SetupDone(BgMoriBigst* this, GlobalContext* globalCtx);
+
+extern ColHeader D_0600221C;
+extern Gfx D_06001E50[];
 
-/*
 const ActorInit Bg_Mori_Bigst_InitVars = {
     ACTOR_BG_MORI_BIGST,
     ACTORTYPE_BG,
@@ -20,39 +42,220 @@ const ActorInit Bg_Mori_Bigst_InitVars = {
     (ActorFunc)BgMoriBigst_Update,
     NULL,
 };
-*/
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0BC0.s")
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0BC8.s")
+static InitChainEntry sInitChain[] = {
+    ICHAIN_F32(uncullZoneForward, 3000, ICHAIN_CONTINUE),      ICHAIN_F32(uncullZoneScale, 3000, ICHAIN_CONTINUE),
+    ICHAIN_F32(uncullZoneDownward, 3000, ICHAIN_CONTINUE),     ICHAIN_F32_DIV1000(gravity, -500, ICHAIN_CONTINUE),
+    ICHAIN_F32_DIV1000(minVelocityY, -12000, ICHAIN_CONTINUE), ICHAIN_VEC3F_DIV1000(scale, 1000, ICHAIN_STOP),
+};
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/BgMoriBigst_Init.s")
+void BgMoriBigst_SetupAction(BgMoriBigst* this, BgMoriBigstActionFunc actionFunc) {
+    this->actionFunc = actionFunc;
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/BgMoriBigst_Destroy.s")
+void BgMoriBigst_InitDynapoly(BgMoriBigst* this, GlobalContext* globalCtx, ColHeader* collision, s32 moveFlag) {
+    s32 pad;
+    ColHeader* colHeader = NULL;
+    s32 pad2;
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0DDC.s")
+    DynaPolyInfo_SetActorMove(&this->dyna, moveFlag);
+    DynaPolyInfo_Alloc(collision, &colHeader);
+    this->dyna.dynaPolyId =
+        DynaPolyInfo_RegisterActor(globalCtx, &globalCtx->colCtx.dyna, &this->dyna.actor, colHeader);
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0E04.s")
+    if (this->dyna.dynaPolyId == 0x32) {
+        // Warning : move BG login failed
+        osSyncPrintf("Warning : move BG 登録失敗(%s %d)(name %d)(arg_data 0x%04x)\n", "../z_bg_mori_bigst.c", 190,
+                     this->dyna.actor.id, this->dyna.actor.params);
+    }
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0ED0.s")
+void BgMoriBigst_Init(Actor* thisx, GlobalContext* globalCtx) {
+    s32 pad;
+    BgMoriBigst* this = THIS;
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0EF4.s")
+    // mori (bigST.keyceiling)
+    osSyncPrintf("mori (bigST.鍵型天井)(arg : %04x)(sw %d)(noE %d)(roomC %d)(playerPosY %f)\n", this->dyna.actor.params,
+                 Flags_GetSwitch(globalCtx, (this->dyna.actor.params >> 8) & 0x3F),
+                 Flags_GetTempClear(globalCtx, this->dyna.actor.room), Flags_GetClear(globalCtx, this->dyna.actor.room),
+                 PLAYER->actor.posRot.pos.y);
+    BgMoriBigst_InitDynapoly(this, globalCtx, &D_0600221C, DPM_UNK);
+    Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
+    this->moriTexObjIndex = Object_GetIndex(&globalCtx->objectCtx, OBJECT_MORI_TEX);
+    if (this->moriTexObjIndex < 0) {
+        // 【Big Stalfos key ceiling】 bank danger!
+        osSyncPrintf("【ビッグスタルフォス鍵型天井】 バンク危険！\n");
+        osSyncPrintf("%s %d\n", "../z_bg_mori_bigst.c", 234);
+        Actor_Kill(&this->dyna.actor);
+        return;
+    }
+    if (Flags_GetSwitch(globalCtx, (this->dyna.actor.params >> 8) & 0x3F)) {
+        this->dyna.actor.posRot.pos.y = this->dyna.actor.initPosRot.pos.y;
+    } else {
+        this->dyna.actor.posRot.pos.y = this->dyna.actor.initPosRot.pos.y + 270.0f;
+    }
+    Actor_SetHeight(&this->dyna.actor, 50.0f);
+    BgMoriBigst_SetupWaitForMoriTex(this, globalCtx);
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A0FB0.s")
+void BgMoriBigst_Destroy(Actor* thisx, GlobalContext* globalCtx) {
+    s32 pad;
+    BgMoriBigst* this = THIS;
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A1024.s")
+    DynaPolyInfo_Free(globalCtx, &globalCtx->colCtx.dyna, this->dyna.dynaPolyId);
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A104C.s")
+void BgMoriBigst_SetupWaitForMoriTex(BgMoriBigst* this, GlobalContext* globalCtx) {
+    BgMoriBigst_SetupAction(this, BgMoriBigst_WaitForMoriTex);
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A10D4.s")
+void BgMoriBigst_WaitForMoriTex(BgMoriBigst* this, GlobalContext* globalCtx) {
+    Actor* thisx = &this->dyna.actor;
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A1164.s")
+    if (Object_IsLoaded(&globalCtx->objectCtx, this->moriTexObjIndex)) {
+        thisx->draw = BgMoriBigst_Draw;
+        if (Flags_GetClear(globalCtx, thisx->room) && (PLAYER->actor.posRot.pos.y > 700.0f)) {
+            if (Flags_GetSwitch(globalCtx, (thisx->params >> 8) & 0x3F)) {
+                BgMoriBigst_SetupDone(this, globalCtx);
+            } else {
+                BgMoriBigst_SetupStalfosFight(this, globalCtx);
+            }
+        } else {
+            BgMoriBigst_SetupNoop(this, globalCtx);
+        }
+    }
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A1190.s")
+void BgMoriBigst_SetupNoop(BgMoriBigst* this, GlobalContext* globalCtx) {
+    BgMoriBigst_SetupAction(this, NULL);
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A12C4.s")
+void BgMoriBigst_SetupStalfosFight(BgMoriBigst* this, GlobalContext* globalCtx) {
+    Actor* stalfos;
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A1320.s")
+    BgMoriBigst_SetupAction(this, BgMoriBigst_StalfosFight);
+    Flags_UnsetClear(globalCtx, this->dyna.actor.room);
+    stalfos = Actor_SpawnAsChild(&globalCtx->actorCtx, &this->dyna.actor, globalCtx, ACTOR_EN_TEST, 209.0f, 827.0f,
+                                 -3320.0f, 0, 0, 0, 1);
+    if (stalfos != NULL) {
+        this->dyna.actor.child = NULL;
+        this->dyna.actor.initPosRot.rot.z++;
+    } else {
+        // Second Stalfos failure
+        osSyncPrintf("Warning : 第２スタルフォス発生失敗\n");
+    }
+    Flags_SetClear(globalCtx, this->dyna.actor.room);
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/BgMoriBigst_Update.s")
+void BgMoriBigst_StalfosFight(BgMoriBigst* this, GlobalContext* globalCtx) {
+    Player* player = PLAYER;
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Mori_Bigst/func_808A13B4.s")
+    if ((this->dyna.actor.initPosRot.rot.z == 0) &&
+        ((this->dyna.actor.initPosRot.pos.y - 5.0f) <= PLAYER->actor.posRot.pos.y)) {
+        BgMoriBigst_SetupFall(this, globalCtx);
+        func_800800F8(globalCtx, 0xC94, 0x48, &this->dyna.actor, 0);
+    }
+}
+
+void BgMoriBigst_SetupFall(BgMoriBigst* this, GlobalContext* globalCtx) {
+    BgMoriBigst_SetupAction(this, BgMoriBigst_Fall);
+}
+
+void BgMoriBigst_Fall(BgMoriBigst* this, GlobalContext* globalCtx) {
+    Actor_MoveForward(&this->dyna.actor);
+    if (this->dyna.actor.posRot.pos.y <= this->dyna.actor.initPosRot.pos.y) {
+        this->dyna.actor.posRot.pos.y = this->dyna.actor.initPosRot.pos.y;
+        BgMoriBigst_SetupLanding(this, globalCtx);
+        Audio_PlayActorSound2(&this->dyna.actor, NA_SE_EV_STONE_BOUND);
+        func_800800F8(globalCtx, 0x3FC, 8, &this->dyna.actor, 0);
+        func_8002DF38(globalCtx, NULL, 0x3C);
+    }
+}
+
+void BgMoriBigst_SetupLanding(BgMoriBigst* this, GlobalContext* globalCtx) {
+    s32 pad;
+    s32 quake;
+
+    BgMoriBigst_SetupAction(this, BgMoriBigst_Landing);
+    this->waitTimer = 18;
+    quake = Quake_Add(ACTIVE_CAM, 3);
+    Quake_SetSpeed(quake, 25000);
+    Quake_SetQuakeValues(quake, 5, 0, 0, 0);
+    Quake_SetCountdown(quake, 16);
+}
+
+void BgMoriBigst_Landing(BgMoriBigst* this, GlobalContext* globalCtx) {
+    if (this->waitTimer <= 0) {
+        BgMoriBigst_SetupStalfosPairFight(this, globalCtx);
+    }
+}
+
+void BgMoriBigst_SetupStalfosPairFight(BgMoriBigst* this, GlobalContext* globalCtx) {
+    Actor* stalfos1;
+    Actor* stalfos2;
+
+    BgMoriBigst_SetupAction(this, BgMoriBigst_StalfosPairFight);
+    Flags_UnsetClear(globalCtx, this->dyna.actor.room);
+    stalfos1 =
+        Actor_SpawnAsChild(&globalCtx->actorCtx, &this->dyna.actor, globalCtx, ACTOR_EN_TEST, 70.0f, 827.0f, -3383.0f, 0, 0, 0, 5);
+    if (stalfos1 != NULL) {
+        this->dyna.actor.child = NULL;
+        this->dyna.actor.initPosRot.rot.z++;
+    } else {
+        // Warning: 3-1 Stalfos failure
+        osSyncPrintf("Warning : 第３-1スタルフォス発生失敗\n");
+    }
+    stalfos2 =
+        Actor_SpawnAsChild(&globalCtx->actorCtx, &this->dyna.actor, globalCtx, ACTOR_EN_TEST, 170.0f, 827.0f, -3260.0f, 0, 0, 0, 5);
+    if (stalfos2 != NULL) {
+        this->dyna.actor.child = NULL;
+        this->dyna.actor.initPosRot.rot.z++;
+    } else {
+        // Warning: 3-2 Stalfos failure
+        osSyncPrintf("Warning : 第３-2スタルフォス発生失敗\n");
+    }
+    Flags_SetClear(globalCtx, this->dyna.actor.room);
+}
+
+void BgMoriBigst_StalfosPairFight(BgMoriBigst* this, GlobalContext* globalCtx) {
+    if ((this->dyna.actor.initPosRot.rot.z == 0) && !Player_InCsMode(globalCtx)) {
+        Flags_SetSwitch(globalCtx, (this->dyna.actor.params >> 8) & 0x3F);
+        BgMoriBigst_SetupDone(this, globalCtx);
+    }
+}
+
+void BgMoriBigst_SetupDone(BgMoriBigst* this, GlobalContext* globalCtx) {
+    BgMoriBigst_SetupAction(this, NULL);
+}
+
+void BgMoriBigst_Update(Actor* thisx, GlobalContext* globalCtx) {
+    s32 pad;
+    BgMoriBigst* this = THIS;
+
+    Actor_SetHeight(&this->dyna.actor, 50.0f);
+    if (this->waitTimer > 0) {
+        this->waitTimer--;
+    }
+    if (func_80043590(&this->dyna)) {
+        func_80074CE8(globalCtx, 6);
+    }
+    if (this->actionFunc != NULL) {
+        this->actionFunc(this, globalCtx);
+    }
+}
+
+void BgMoriBigst_Draw(Actor* thisx, GlobalContext* globalCtx) {
+    s32 pad;
+    BgMoriBigst* this = THIS;
+
+    OPEN_DISPS(globalCtx->state.gfxCtx, "../z_bg_mori_bigst.c", 541);
+    func_80093D18(globalCtx->state.gfxCtx);
+
+    gSPSegment(oGfxCtx->polyOpa.p++, 0x08, globalCtx->objectCtx.status[this->moriTexObjIndex].segment);
+
+    gSPMatrix(oGfxCtx->polyOpa.p++, Matrix_NewMtx(globalCtx->state.gfxCtx, "../z_bg_mori_bigst.c", 548),
+              G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_MODELVIEW);
+
+    gSPDisplayList(oGfxCtx->polyOpa.p++, D_06001E50);
+    CLOSE_DISPS(globalCtx->state.gfxCtx, "../z_bg_mori_bigst.c", 553);
+}
diff --git a/src/overlays/actors/ovl_Bg_Mori_Bigst/z_bg_mori_bigst.h b/src/overlays/actors/ovl_Bg_Mori_Bigst/z_bg_mori_bigst.h
index ea622b843c..0900447327 100644
--- a/src/overlays/actors/ovl_Bg_Mori_Bigst/z_bg_mori_bigst.h
+++ b/src/overlays/actors/ovl_Bg_Mori_Bigst/z_bg_mori_bigst.h
@@ -6,9 +6,13 @@
 
 struct BgMoriBigst;
 
+typedef void (*BgMoriBigstActionFunc)(struct BgMoriBigst*, GlobalContext*);
+
 typedef struct BgMoriBigst {
-    /* 0x0000 */ Actor actor;
-    /* 0x014C */ char unk_14C[0x20];
+    /* 0x0000 */ DynaPolyActor dyna;
+    /* 0x0164 */ BgMoriBigstActionFunc actionFunc;
+    /* 0x0168 */ s16 waitTimer;
+    /* 0x016A */ s8 moriTexObjIndex;
 } BgMoriBigst; // size = 0x016C
 
 extern const ActorInit Bg_Mori_Bigst_InitVars;
diff --git a/undefined_syms.txt b/undefined_syms.txt
index 6149ee68b3..68f46d27cb 100644
--- a/undefined_syms.txt
+++ b/undefined_syms.txt
@@ -1107,6 +1107,10 @@ D_06000498 = 0x06000498;
 // z_bg_menkuri_eye
 D_06002D20 = 0x06002D20;
 
+// z_bg_mori_bigst
+D_0600221C = 0x0600221C;
+D_06001E50 = 0x06001E50;
+
 // z_bg_mori_hashira4
 D_06001AF8 = 0x06001AF8;
 D_060089E0 = 0x060089E0;