diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/BgSpot12Gate_Destroy.s b/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/BgSpot12Gate_Destroy.s
deleted file mode 100644
index 34d4e0f551..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/BgSpot12Gate_Destroy.s
+++ /dev/null
@@ -1,16 +0,0 @@
-glabel BgSpot12Gate_Destroy
-/* 00100 808B3090 27BDFFE8 */  addiu   $sp, $sp, 0xFFE8           ## $sp = FFFFFFE8
-/* 00104 808B3094 AFA40018 */  sw      $a0, 0x0018($sp)           
-/* 00108 808B3098 8FAE0018 */  lw      $t6, 0x0018($sp)           
-/* 0010C 808B309C AFBF0014 */  sw      $ra, 0x0014($sp)           
-/* 00110 808B30A0 00A02025 */  or      $a0, $a1, $zero            ## $a0 = 00000000
-/* 00114 808B30A4 24A50810 */  addiu   $a1, $a1, 0x0810           ## $a1 = 00000810
-/* 00118 808B30A8 0C00FB56 */  jal     DynaPolyInfo_Free
-              ## DynaPolyInfo_delReserve
-/* 0011C 808B30AC 8DC6014C */  lw      $a2, 0x014C($t6)           ## 0000014C
-/* 00120 808B30B0 8FBF0014 */  lw      $ra, 0x0014($sp)           
-/* 00124 808B30B4 27BD0018 */  addiu   $sp, $sp, 0x0018           ## $sp = 00000000
-/* 00128 808B30B8 03E00008 */  jr      $ra                        
-/* 0012C 808B30BC 00000000 */  nop
-
-
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/BgSpot12Gate_Draw.s b/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/BgSpot12Gate_Draw.s
deleted file mode 100644
index 34a49ac654..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/BgSpot12Gate_Draw.s
+++ /dev/null
@@ -1,17 +0,0 @@
-glabel BgSpot12Gate_Draw
-/* 00348 808B32D8 27BDFFE8 */  addiu   $sp, $sp, 0xFFE8           ## $sp = FFFFFFE8
-/* 0034C 808B32DC AFA40018 */  sw      $a0, 0x0018($sp)           
-/* 00350 808B32E0 00A02025 */  or      $a0, $a1, $zero            ## $a0 = 00000000
-/* 00354 808B32E4 AFBF0014 */  sw      $ra, 0x0014($sp)           
-/* 00358 808B32E8 3C050600 */  lui     $a1, 0x0600                ## $a1 = 06000000
-/* 0035C 808B32EC 0C00D498 */  jal     Draw_DListOpa
-              
-/* 00360 808B32F0 24A51080 */  addiu   $a1, $a1, 0x1080           ## $a1 = 06001080
-/* 00364 808B32F4 8FBF0014 */  lw      $ra, 0x0014($sp)           
-/* 00368 808B32F8 27BD0018 */  addiu   $sp, $sp, 0x0018           ## $sp = 00000000
-/* 0036C 808B32FC 03E00008 */  jr      $ra                        
-/* 00370 808B3300 00000000 */  nop
-/* 00374 808B3304 00000000 */  nop
-/* 00378 808B3308 00000000 */  nop
-/* 0037C 808B330C 00000000 */  nop
-
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/BgSpot12Gate_Init.s b/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/BgSpot12Gate_Init.s
deleted file mode 100644
index f77f5a919c..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/BgSpot12Gate_Init.s
+++ /dev/null
@@ -1,37 +0,0 @@
-glabel BgSpot12Gate_Init
-/* 00088 808B3018 27BDFFE0 */  addiu   $sp, $sp, 0xFFE0           ## $sp = FFFFFFE0
-/* 0008C 808B301C AFBF001C */  sw      $ra, 0x001C($sp)           
-/* 00090 808B3020 AFB00018 */  sw      $s0, 0x0018($sp)           
-/* 00094 808B3024 3C060600 */  lui     $a2, 0x0600                ## $a2 = 06000000
-/* 00098 808B3028 00808025 */  or      $s0, $a0, $zero            ## $s0 = 00000000
-/* 0009C 808B302C AFA50024 */  sw      $a1, 0x0024($sp)           
-/* 000A0 808B3030 24C611EC */  addiu   $a2, $a2, 0x11EC           ## $a2 = 060011EC
-/* 000A4 808B3034 0C22CBE4 */  jal     func_808B2F90              
-/* 000A8 808B3038 00003825 */  or      $a3, $zero, $zero          ## $a3 = 00000000
-/* 000AC 808B303C 3C05808B */  lui     $a1, %hi(D_808B3330)       ## $a1 = 808B0000
-/* 000B0 808B3040 24A53330 */  addiu   $a1, $a1, %lo(D_808B3330)  ## $a1 = 808B3330
-/* 000B4 808B3044 0C01E037 */  jal     Actor_ProcessInitChain
-              
-/* 000B8 808B3048 02002025 */  or      $a0, $s0, $zero            ## $a0 = 00000000
-/* 000BC 808B304C 8605001C */  lh      $a1, 0x001C($s0)           ## 0000001C
-/* 000C0 808B3050 8FA40024 */  lw      $a0, 0x0024($sp)           
-/* 000C4 808B3054 0C00B2D0 */  jal     Flags_GetSwitch
-              
-/* 000C8 808B3058 30A5003F */  andi    $a1, $a1, 0x003F           ## $a1 = 00000000
-/* 000CC 808B305C 10400005 */  beq     $v0, $zero, .L808B3074     
-/* 000D0 808B3060 00000000 */  nop
-/* 000D4 808B3064 0C22CC9D */  jal     func_808B3274              
-/* 000D8 808B3068 02002025 */  or      $a0, $s0, $zero            ## $a0 = 00000000
-/* 000DC 808B306C 10000004 */  beq     $zero, $zero, .L808B3080   
-/* 000E0 808B3070 8FBF001C */  lw      $ra, 0x001C($sp)           
-.L808B3074:
-/* 000E4 808B3074 0C22CC30 */  jal     func_808B30C0              
-/* 000E8 808B3078 02002025 */  or      $a0, $s0, $zero            ## $a0 = 00000000
-/* 000EC 808B307C 8FBF001C */  lw      $ra, 0x001C($sp)           
-.L808B3080:
-/* 000F0 808B3080 8FB00018 */  lw      $s0, 0x0018($sp)           
-/* 000F4 808B3084 27BD0020 */  addiu   $sp, $sp, 0x0020           ## $sp = 00000000
-/* 000F8 808B3088 03E00008 */  jr      $ra                        
-/* 000FC 808B308C 00000000 */  nop
-
-
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/BgSpot12Gate_Update.s b/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/BgSpot12Gate_Update.s
deleted file mode 100644
index 275228c3e3..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/BgSpot12Gate_Update.s
+++ /dev/null
@@ -1,17 +0,0 @@
-glabel BgSpot12Gate_Update
-/* 00314 808B32A4 27BDFFE8 */  addiu   $sp, $sp, 0xFFE8           ## $sp = FFFFFFE8
-/* 00318 808B32A8 AFBF0014 */  sw      $ra, 0x0014($sp)           
-/* 0031C 808B32AC 84820168 */  lh      $v0, 0x0168($a0)           ## 00000168
-/* 00320 808B32B0 18400002 */  blez    $v0, .L808B32BC            
-/* 00324 808B32B4 244EFFFF */  addiu   $t6, $v0, 0xFFFF           ## $t6 = FFFFFFFF
-/* 00328 808B32B8 A48E0168 */  sh      $t6, 0x0168($a0)           ## 00000168
-.L808B32BC:
-/* 0032C 808B32BC 8C990164 */  lw      $t9, 0x0164($a0)           ## 00000164
-/* 00330 808B32C0 0320F809 */  jalr    $ra, $t9                   
-/* 00334 808B32C4 00000000 */  nop
-/* 00338 808B32C8 8FBF0014 */  lw      $ra, 0x0014($sp)           
-/* 0033C 808B32CC 27BD0018 */  addiu   $sp, $sp, 0x0018           ## $sp = 00000000
-/* 00340 808B32D0 03E00008 */  jr      $ra                        
-/* 00344 808B32D4 00000000 */  nop
-
-
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B2F90.s b/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B2F90.s
deleted file mode 100644
index b4aa10b68f..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B2F90.s
+++ /dev/null
@@ -1,42 +0,0 @@
-glabel func_808B2F90
-/* 00000 808B2F90 27BDFFC8 */  addiu   $sp, $sp, 0xFFC8           ## $sp = FFFFFFC8
-/* 00004 808B2F94 AFBF0024 */  sw      $ra, 0x0024($sp)           
-/* 00008 808B2F98 AFB00020 */  sw      $s0, 0x0020($sp)           
-/* 0000C 808B2F9C AFA5003C */  sw      $a1, 0x003C($sp)           
-/* 00010 808B2FA0 00808025 */  or      $s0, $a0, $zero            ## $s0 = 00000000
-/* 00014 808B2FA4 AFA60040 */  sw      $a2, 0x0040($sp)           
-/* 00018 808B2FA8 AFA00030 */  sw      $zero, 0x0030($sp)         
-/* 0001C 808B2FAC 0C010D20 */  jal     DynaPolyInfo_SetActorMove
-              
-/* 00020 808B2FB0 00E02825 */  or      $a1, $a3, $zero            ## $a1 = 00000000
-/* 00024 808B2FB4 8FA40040 */  lw      $a0, 0x0040($sp)           
-/* 00028 808B2FB8 0C010620 */  jal     DynaPolyInfo_Alloc
-              
-/* 0002C 808B2FBC 27A50030 */  addiu   $a1, $sp, 0x0030           ## $a1 = FFFFFFF8
-/* 00030 808B2FC0 8FA4003C */  lw      $a0, 0x003C($sp)           
-/* 00034 808B2FC4 02003025 */  or      $a2, $s0, $zero            ## $a2 = 00000000
-/* 00038 808B2FC8 8FA70030 */  lw      $a3, 0x0030($sp)           
-/* 0003C 808B2FCC 0C00FA9D */  jal     DynaPolyInfo_RegisterActor
-              ## DynaPolyInfo_setActor
-/* 00040 808B2FD0 24850810 */  addiu   $a1, $a0, 0x0810           ## $a1 = 00000810
-/* 00044 808B2FD4 24010032 */  addiu   $at, $zero, 0x0032         ## $at = 00000032
-/* 00048 808B2FD8 1441000A */  bne     $v0, $at, .L808B3004       
-/* 0004C 808B2FDC AE02014C */  sw      $v0, 0x014C($s0)           ## 0000014C
-/* 00050 808B2FE0 860E001C */  lh      $t6, 0x001C($s0)           ## 0000001C
-/* 00054 808B2FE4 3C04808B */  lui     $a0, %hi(D_808B3340)       ## $a0 = 808B0000
-/* 00058 808B2FE8 3C05808B */  lui     $a1, %hi(D_808B3380)       ## $a1 = 808B0000
-/* 0005C 808B2FEC 86070000 */  lh      $a3, 0x0000($s0)           ## 00000000
-/* 00060 808B2FF0 24A53380 */  addiu   $a1, $a1, %lo(D_808B3380)  ## $a1 = 808B3380
-/* 00064 808B2FF4 24843340 */  addiu   $a0, $a0, %lo(D_808B3340)  ## $a0 = 808B3340
-/* 00068 808B2FF8 24060091 */  addiu   $a2, $zero, 0x0091         ## $a2 = 00000091
-/* 0006C 808B2FFC 0C00084C */  jal     osSyncPrintf
-              
-/* 00070 808B3000 AFAE0010 */  sw      $t6, 0x0010($sp)           
-.L808B3004:
-/* 00074 808B3004 8FBF0024 */  lw      $ra, 0x0024($sp)           
-/* 00078 808B3008 8FB00020 */  lw      $s0, 0x0020($sp)           
-/* 0007C 808B300C 27BD0038 */  addiu   $sp, $sp, 0x0038           ## $sp = 00000000
-/* 00080 808B3010 03E00008 */  jr      $ra                        
-/* 00084 808B3014 00000000 */  nop
-
-
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B30C0.s b/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B30C0.s
deleted file mode 100644
index 661b051144..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B30C0.s
+++ /dev/null
@@ -1,9 +0,0 @@
-glabel func_808B30C0
-/* 00130 808B30C0 C484000C */  lwc1    $f4, 0x000C($a0)           ## 0000000C
-/* 00134 808B30C4 3C0E808B */  lui     $t6, %hi(func_808B30D8)    ## $t6 = 808B0000
-/* 00138 808B30C8 25CE30D8 */  addiu   $t6, $t6, %lo(func_808B30D8) ## $t6 = 808B30D8
-/* 0013C 808B30CC AC8E0164 */  sw      $t6, 0x0164($a0)           ## 00000164
-/* 00140 808B30D0 03E00008 */  jr      $ra                        
-/* 00144 808B30D4 E4840028 */  swc1    $f4, 0x0028($a0)           ## 00000028
-
-
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B30D8.s b/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B30D8.s
deleted file mode 100644
index da55ab1c17..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B30D8.s
+++ /dev/null
@@ -1,28 +0,0 @@
-glabel func_808B30D8
-/* 00148 808B30D8 27BDFFE0 */  addiu   $sp, $sp, 0xFFE0           ## $sp = FFFFFFE0
-/* 0014C 808B30DC AFA40020 */  sw      $a0, 0x0020($sp)           
-/* 00150 808B30E0 8FAE0020 */  lw      $t6, 0x0020($sp)           
-/* 00154 808B30E4 AFBF001C */  sw      $ra, 0x001C($sp)           
-/* 00158 808B30E8 AFA50024 */  sw      $a1, 0x0024($sp)           
-/* 0015C 808B30EC 00A02025 */  or      $a0, $a1, $zero            ## $a0 = 00000000
-/* 00160 808B30F0 85C5001C */  lh      $a1, 0x001C($t6)           ## 0000001C
-/* 00164 808B30F4 0C00B2D0 */  jal     Flags_GetSwitch
-              
-/* 00168 808B30F8 30A5003F */  andi    $a1, $a1, 0x003F           ## $a1 = 00000000
-/* 0016C 808B30FC 5040000A */  beql    $v0, $zero, .L808B3128     
-/* 00170 808B3100 8FBF001C */  lw      $ra, 0x001C($sp)           
-/* 00174 808B3104 0C22CC4D */  jal     func_808B3134              
-/* 00178 808B3108 8FA40020 */  lw      $a0, 0x0020($sp)           
-/* 0017C 808B310C 8FA40024 */  lw      $a0, 0x0024($sp)           
-/* 00180 808B3110 24051040 */  addiu   $a1, $zero, 0x1040         ## $a1 = 00001040
-/* 00184 808B3114 2406FF9D */  addiu   $a2, $zero, 0xFF9D         ## $a2 = FFFFFF9D
-/* 00188 808B3118 8FA70020 */  lw      $a3, 0x0020($sp)           
-/* 0018C 808B311C 0C02003E */  jal     func_800800F8              
-/* 00190 808B3120 AFA00010 */  sw      $zero, 0x0010($sp)         
-/* 00194 808B3124 8FBF001C */  lw      $ra, 0x001C($sp)           
-.L808B3128:
-/* 00198 808B3128 27BD0020 */  addiu   $sp, $sp, 0x0020           ## $sp = 00000000
-/* 0019C 808B312C 03E00008 */  jr      $ra                        
-/* 001A0 808B3130 00000000 */  nop
-
-
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B3134.s b/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B3134.s
deleted file mode 100644
index 0d71903ec2..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B3134.s
+++ /dev/null
@@ -1,9 +0,0 @@
-glabel func_808B3134
-/* 001A4 808B3134 3C0E808B */  lui     $t6, %hi(func_808B314C)    ## $t6 = 808B0000
-/* 001A8 808B3138 25CE314C */  addiu   $t6, $t6, %lo(func_808B314C) ## $t6 = 808B314C
-/* 001AC 808B313C 240F0028 */  addiu   $t7, $zero, 0x0028         ## $t7 = 00000028
-/* 001B0 808B3140 AC8E0164 */  sw      $t6, 0x0164($a0)           ## 00000164
-/* 001B4 808B3144 03E00008 */  jr      $ra                        
-/* 001B8 808B3148 A48F0168 */  sh      $t7, 0x0168($a0)           ## 00000168
-
-
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B314C.s b/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B314C.s
deleted file mode 100644
index a6831e2823..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B314C.s
+++ /dev/null
@@ -1,16 +0,0 @@
-glabel func_808B314C
-/* 001BC 808B314C 27BDFFE8 */  addiu   $sp, $sp, 0xFFE8           ## $sp = FFFFFFE8
-/* 001C0 808B3150 AFBF0014 */  sw      $ra, 0x0014($sp)           
-/* 001C4 808B3154 AFA5001C */  sw      $a1, 0x001C($sp)           
-/* 001C8 808B3158 848E0168 */  lh      $t6, 0x0168($a0)           ## 00000168
-/* 001CC 808B315C 5DC00004 */  bgtzl   $t6, .L808B3170            
-/* 001D0 808B3160 8FBF0014 */  lw      $ra, 0x0014($sp)           
-/* 001D4 808B3164 0C22CC5F */  jal     func_808B317C              
-/* 001D8 808B3168 00000000 */  nop
-/* 001DC 808B316C 8FBF0014 */  lw      $ra, 0x0014($sp)           
-.L808B3170:
-/* 001E0 808B3170 27BD0018 */  addiu   $sp, $sp, 0x0018           ## $sp = 00000000
-/* 001E4 808B3174 03E00008 */  jr      $ra                        
-/* 001E8 808B3178 00000000 */  nop
-
-
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B317C.s b/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B317C.s
deleted file mode 100644
index 2fd18e3ea3..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B317C.s
+++ /dev/null
@@ -1,7 +0,0 @@
-glabel func_808B317C
-/* 001EC 808B317C 3C0E808B */  lui     $t6, %hi(func_808B318C)    ## $t6 = 808B0000
-/* 001F0 808B3180 25CE318C */  addiu   $t6, $t6, %lo(func_808B318C) ## $t6 = 808B318C
-/* 001F4 808B3184 03E00008 */  jr      $ra                        
-/* 001F8 808B3188 AC8E0164 */  sw      $t6, 0x0164($a0)           ## 00000164
-
-
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B318C.s b/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B318C.s
deleted file mode 100644
index 143ee7731f..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B318C.s
+++ /dev/null
@@ -1,66 +0,0 @@
-glabel func_808B318C
-/* 001FC 808B318C 27BDFFC8 */  addiu   $sp, $sp, 0xFFC8           ## $sp = FFFFFFC8
-/* 00200 808B3190 AFB00020 */  sw      $s0, 0x0020($sp)           
-/* 00204 808B3194 AFA5003C */  sw      $a1, 0x003C($sp)           
-/* 00208 808B3198 00808025 */  or      $s0, $a0, $zero            ## $s0 = 00000000
-/* 0020C 808B319C AFBF0024 */  sw      $ra, 0x0024($sp)           
-/* 00210 808B31A0 3C053FCC */  lui     $a1, 0x3FCC                ## $a1 = 3FCC0000
-/* 00214 808B31A4 3C063CF5 */  lui     $a2, 0x3CF5                ## $a2 = 3CF50000
-/* 00218 808B31A8 34C6C28F */  ori     $a2, $a2, 0xC28F           ## $a2 = 3CF5C28F
-/* 0021C 808B31AC 34A5CCCD */  ori     $a1, $a1, 0xCCCD           ## $a1 = 3FCCCCCD
-/* 00220 808B31B0 0C01DE80 */  jal     Math_ApproxF
-              
-/* 00224 808B31B4 24840060 */  addiu   $a0, $a0, 0x0060           ## $a0 = 00000060
-/* 00228 808B31B8 3C014348 */  lui     $at, 0x4348                ## $at = 43480000
-/* 0022C 808B31BC 44813000 */  mtc1    $at, $f6                   ## $f6 = 200.00
-/* 00230 808B31C0 C604000C */  lwc1    $f4, 0x000C($s0)           ## 0000000C
-/* 00234 808B31C4 26040028 */  addiu   $a0, $s0, 0x0028           ## $a0 = 00000028
-/* 00238 808B31C8 8E060060 */  lw      $a2, 0x0060($s0)           ## 00000060
-/* 0023C 808B31CC 46062200 */  add.s   $f8, $f4, $f6              
-/* 00240 808B31D0 44054000 */  mfc1    $a1, $f8                   
-/* 00244 808B31D4 0C01DE80 */  jal     Math_ApproxF
-              
-/* 00248 808B31D8 00000000 */  nop
-/* 0024C 808B31DC 1040001E */  beq     $v0, $zero, .L808B3258     
-/* 00250 808B31E0 02002025 */  or      $a0, $s0, $zero            ## $a0 = 00000000
-/* 00254 808B31E4 0C22CC9D */  jal     func_808B3274              
-/* 00258 808B31E8 02002025 */  or      $a0, $s0, $zero            ## $a0 = 00000000
-/* 0025C 808B31EC 8FA2003C */  lw      $v0, 0x003C($sp)           
-/* 00260 808B31F0 24050003 */  addiu   $a1, $zero, 0x0003         ## $a1 = 00000003
-/* 00264 808B31F4 844E07A0 */  lh      $t6, 0x07A0($v0)           ## 000007A0
-/* 00268 808B31F8 000E7880 */  sll     $t7, $t6,  2               
-/* 0026C 808B31FC 004FC021 */  addu    $t8, $v0, $t7              
-/* 00270 808B3200 0C024BE2 */  jal     func_80092F88              
-/* 00274 808B3204 8F040790 */  lw      $a0, 0x0790($t8)           ## 00000790
-/* 00278 808B3208 00022400 */  sll     $a0, $v0, 16               
-/* 0027C 808B320C AFA20030 */  sw      $v0, 0x0030($sp)           
-/* 00280 808B3210 00042403 */  sra     $a0, $a0, 16               
-/* 00284 808B3214 0C024B6B */  jal     func_80092DAC              
-/* 00288 808B3218 2405C350 */  addiu   $a1, $zero, 0xC350         ## $a1 = FFFFC350
-/* 0028C 808B321C 87A40032 */  lh      $a0, 0x0032($sp)           
-/* 00290 808B3220 24050003 */  addiu   $a1, $zero, 0x0003         ## $a1 = 00000003
-/* 00294 808B3224 00003025 */  or      $a2, $zero, $zero          ## $a2 = 00000000
-/* 00298 808B3228 00003825 */  or      $a3, $zero, $zero          ## $a3 = 00000000
-/* 0029C 808B322C AFA00010 */  sw      $zero, 0x0010($sp)         
-/* 002A0 808B3230 0C024B9C */  jal     func_80092E70              
-/* 002A4 808B3234 AFA4002C */  sw      $a0, 0x002C($sp)           
-/* 002A8 808B3238 8FA4002C */  lw      $a0, 0x002C($sp)           
-/* 002AC 808B323C 0C024B7C */  jal     func_80092DF0              
-/* 002B0 808B3240 2405000C */  addiu   $a1, $zero, 0x000C         ## $a1 = 0000000C
-/* 002B4 808B3244 02002025 */  or      $a0, $s0, $zero            ## $a0 = 00000000
-/* 002B8 808B3248 0C00BE0A */  jal     Audio_PlayActorSound2
-              
-/* 002BC 808B324C 2405280E */  addiu   $a1, $zero, 0x280E         ## $a1 = 0000280E
-/* 002C0 808B3250 10000004 */  beq     $zero, $zero, .L808B3264   
-/* 002C4 808B3254 8FBF0024 */  lw      $ra, 0x0024($sp)           
-.L808B3258:
-/* 002C8 808B3258 0C00BE5D */  jal     func_8002F974              
-/* 002CC 808B325C 24052067 */  addiu   $a1, $zero, 0x2067         ## $a1 = 00002067
-/* 002D0 808B3260 8FBF0024 */  lw      $ra, 0x0024($sp)           
-.L808B3264:
-/* 002D4 808B3264 8FB00020 */  lw      $s0, 0x0020($sp)           
-/* 002D8 808B3268 27BD0038 */  addiu   $sp, $sp, 0x0038           ## $sp = 00000000
-/* 002DC 808B326C 03E00008 */  jr      $ra                        
-/* 002E0 808B3270 00000000 */  nop
-
-
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B3274.s b/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B3274.s
deleted file mode 100644
index 12c439236c..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B3274.s
+++ /dev/null
@@ -1,12 +0,0 @@
-glabel func_808B3274
-/* 002E4 808B3274 3C014348 */  lui     $at, 0x4348                ## $at = 43480000
-/* 002E8 808B3278 44813000 */  mtc1    $at, $f6                   ## $f6 = 200.00
-/* 002EC 808B327C C484000C */  lwc1    $f4, 0x000C($a0)           ## 0000000C
-/* 002F0 808B3280 3C0E808B */  lui     $t6, %hi(func_808B3298)    ## $t6 = 808B0000
-/* 002F4 808B3284 25CE3298 */  addiu   $t6, $t6, %lo(func_808B3298) ## $t6 = 808B3298
-/* 002F8 808B3288 46062200 */  add.s   $f8, $f4, $f6              
-/* 002FC 808B328C AC8E0164 */  sw      $t6, 0x0164($a0)           ## 00000164
-/* 00300 808B3290 03E00008 */  jr      $ra                        
-/* 00304 808B3294 E4880028 */  swc1    $f8, 0x0028($a0)           ## 00000028
-
-
diff --git a/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B3298.s b/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B3298.s
deleted file mode 100644
index e019848f93..0000000000
--- a/asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B3298.s
+++ /dev/null
@@ -1,6 +0,0 @@
-glabel func_808B3298
-/* 00308 808B3298 AFA40000 */  sw      $a0, 0x0000($sp)           
-/* 0030C 808B329C 03E00008 */  jr      $ra                        
-/* 00310 808B32A0 AFA50004 */  sw      $a1, 0x0004($sp)           
-
-
diff --git a/data/overlays/actors/z_bg_spot12_gate.data.s b/data/overlays/actors/z_bg_spot12_gate.data.s
deleted file mode 100644
index 8eda552b04..0000000000
--- a/data/overlays/actors/z_bg_spot12_gate.data.s
+++ /dev/null
@@ -1,18 +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 purposee registers
-
-.section .data
-
-glabel Bg_Spot12_Gate_InitVars
- .word 0x01900100, 0x00000000, 0x01620000, 0x0000016C
-.word BgSpot12Gate_Init
-.word BgSpot12Gate_Destroy
-.word BgSpot12Gate_Update
-.word BgSpot12Gate_Draw
-glabel D_808B3330
- .word 0xC8500064, 0xB0F409C4, 0xB0F801F4, 0x30FC04B0
-
diff --git a/data/overlays/actors/z_bg_spot12_gate.reloc.s b/data/overlays/actors/z_bg_spot12_gate.reloc.s
deleted file mode 100644
index 978444c5bd..0000000000
--- a/data/overlays/actors/z_bg_spot12_gate.reloc.s
+++ /dev/null
@@ -1,11 +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 purposee registers
-
-.section .rodata
-glabel D_808B33A0
-
-.incbin "baserom/ovl_Bg_Spot12_Gate", 0x410, 0x00000080
diff --git a/data/overlays/actors/z_bg_spot12_gate.rodata.s b/data/overlays/actors/z_bg_spot12_gate.rodata.s
deleted file mode 100644
index cd8c467d28..0000000000
--- a/data/overlays/actors/z_bg_spot12_gate.rodata.s
+++ /dev/null
@@ -1,17 +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 purposee registers
-
-.section .rodata
-
-glabel D_808B3340
-    .asciz "Warning : move BG 登録失敗(%s %d)(name %d)(arg_data 0x%04x)\n"
-    .balign 4
-
-glabel D_808B3380
- .word 0x2E2E2F7A, 0x5F62675F, 0x73706F74, 0x31325F67, 0x6174652E, 0x63000000, 0x00000000, 0x00000000
-
-
diff --git a/spec b/spec
index 7ec58264da..774a935a27 100644
--- a/spec
+++ b/spec
@@ -1478,9 +1478,7 @@ endseg
 beginseg
     name "ovl_Bg_Spot12_Gate"
     include "build/src/overlays/actors/ovl_Bg_Spot12_Gate/z_bg_spot12_gate.o"
-    include "build/data/overlays/actors/z_bg_spot12_gate.data.o"
-    include "build/data/overlays/actors/z_bg_spot12_gate.rodata.o"
-    include "build/data/overlays/actors/z_bg_spot12_gate.reloc.o"
+    include "build/src/overlays/actors/ovl_Bg_Spot12_Gate/z_bg_spot12_gate_reloc.o"
 endseg
 
 beginseg
diff --git a/src/overlays/actors/ovl_Bg_Spot12_Gate/z_bg_spot12_gate.c b/src/overlays/actors/ovl_Bg_Spot12_Gate/z_bg_spot12_gate.c
index 65f8e8ef02..f8a190be0b 100644
--- a/src/overlays/actors/ovl_Bg_Spot12_Gate/z_bg_spot12_gate.c
+++ b/src/overlays/actors/ovl_Bg_Spot12_Gate/z_bg_spot12_gate.c
@@ -1,14 +1,28 @@
+/*
+ * File: z_bg_spot12_gate.c
+ * Overlay: Bg_Spot12_Gate
+ * Description:
+ */
+
 #include "z_bg_spot12_gate.h"
 
 #define ROOM 0x00
 #define FLAGS 0x00000000
 
-void BgSpot12Gate_Init(BgSpot12Gate* this, GlobalContext* globalCtx);
-void BgSpot12Gate_Destroy(BgSpot12Gate* this, GlobalContext* globalCtx);
-void BgSpot12Gate_Update(BgSpot12Gate* this, GlobalContext* globalCtx);
-void BgSpot12Gate_Draw(BgSpot12Gate* this, GlobalContext* globalCtx);
+static void BgSpot12Gate_Init(BgSpot12Gate* this, GlobalContext* globalCtx);
+static void BgSpot12Gate_Destroy(BgSpot12Gate* this, GlobalContext* globalCtx);
+static void BgSpot12Gate_Update(BgSpot12Gate* this, GlobalContext* globalCtx);
+static void BgSpot12Gate_Draw(BgSpot12Gate* this, GlobalContext* globalCtx);
+
+static void func_808B30C0(BgSpot12Gate* this);
+static void func_808B30D8(BgSpot12Gate* this, GlobalContext* globalCtx);
+static void func_808B3134(BgSpot12Gate* this);
+static void func_808B314C(BgSpot12Gate* this, GlobalContext* globalCtx);
+static void func_808B317C(BgSpot12Gate* this);
+static void func_808B318C(BgSpot12Gate* this, GlobalContext* globalCtx);
+static void func_808B3274(BgSpot12Gate* this);
+static void func_808B3298(BgSpot12Gate* this, GlobalContext* globalCtx);
 
-/*
 const ActorInit Bg_Spot12_Gate_InitVars = {
     ACTOR_BG_SPOT12_GATE,
     ACTORTYPE_BG,
@@ -21,29 +35,113 @@ const ActorInit Bg_Spot12_Gate_InitVars = {
     (ActorFunc)BgSpot12Gate_Update,
     (ActorFunc)BgSpot12Gate_Draw,
 };
-*/
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B2F90.s")
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/BgSpot12Gate_Init.s")
+static InitChainEntry initChain[] = {
+    ICHAIN_VEC3F_DIV1000(scale, 100, ICHAIN_CONTINUE),
+    ICHAIN_F32(unk_F4, 2500, ICHAIN_CONTINUE),
+    ICHAIN_F32(unk_F8, 500, ICHAIN_CONTINUE),
+    ICHAIN_F32(unk_FC, 1200, ICHAIN_STOP),
+};
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/BgSpot12Gate_Destroy.s")
+extern UNK_TYPE D_06001080;
+extern UNK_TYPE D_060011EC;
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B30C0.s")
+static void func_808B2F90(BgSpot12Gate* this, GlobalContext* globalCtx, UNK_TYPE collision, DynaPolyMoveFlag flags) {
+    Actor* thisx = &this->dyna.actor;
+    s32 localC = 0;
+    s32 pad[2];
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B30D8.s")
+    DynaPolyInfo_SetActorMove(thisx, flags);
+    DynaPolyInfo_Alloc(collision, &localC);
+    this->dyna.dynaPolyId = DynaPolyInfo_RegisterActor(globalCtx, &globalCtx->colCtx.dyna, thisx, localC);
+    if (this->dyna.dynaPolyId == 0x32) {
+        osSyncPrintf("Warning : move BG 登録失敗(%s %d)(name %d)(arg_data 0x%04x)\n", "../z_bg_spot12_gate.c", 145,
+                     thisx->id, thisx->params);
+    }
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B3134.s")
+static void BgSpot12Gate_Init(BgSpot12Gate* this, GlobalContext* globalCtx) {
+    Actor* thisx = &this->dyna.actor;
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B314C.s")
+    func_808B2F90(this, globalCtx, &D_060011EC, 0);
+    Actor_ProcessInitChain(thisx, initChain);
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B317C.s")
+    if (Flags_GetSwitch(globalCtx, thisx->params & 0x3F)) {
+        func_808B3274(this);
+    } else {
+        func_808B30C0(this);
+    }
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B318C.s")
+static void BgSpot12Gate_Destroy(BgSpot12Gate* this, GlobalContext* globalCtx) {
+    DynaPolyInfo_Free(globalCtx, &globalCtx->colCtx.dyna, this->dyna.dynaPolyId);
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B3274.s")
+static void func_808B30C0(BgSpot12Gate* this) {
+    Actor* thisx = &this->dyna.actor;
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/func_808B3298.s")
+    this->actionFunc = (ActorFunc)func_808B30D8;
+    thisx->posRot.pos.y = thisx->initPosRot.pos.y;
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/BgSpot12Gate_Update.s")
+static void func_808B30D8(BgSpot12Gate* this, GlobalContext* globalCtx) {
+    Actor* thisx = &this->dyna.actor;
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Spot12_Gate/BgSpot12Gate_Draw.s")
+    if (Flags_GetSwitch(globalCtx, thisx->params & 0x3F)) {
+        func_808B3134(this);
+        func_800800F8(globalCtx, 0x1040, -0x63, thisx, 0);
+    }
+}
+
+static void func_808B3134(BgSpot12Gate* this) {
+    this->actionFunc = (ActorFunc)func_808B314C;
+    this->unk_168 = 0x28;
+}
+
+static void func_808B314C(BgSpot12Gate* this, GlobalContext* globalCtx) {
+    if (this->unk_168 <= 0) {
+        func_808B317C(this);
+    }
+}
+
+static void func_808B317C(BgSpot12Gate* this) {
+    this->actionFunc = (ActorFunc)func_808B318C;
+}
+
+static void func_808B318C(BgSpot12Gate* this, GlobalContext* globalCtx) {
+    Actor* thisx = &this->dyna.actor;
+    s32 var;
+
+    Math_ApproxF(&thisx->velocity.y, 1.6f, 0.03f);
+    if (Math_ApproxF(&thisx->posRot.pos.y, thisx->initPosRot.pos.y + 200.0f, thisx->velocity.y)) {
+        func_808B3274(this);
+        var = func_80092F88(globalCtx->cameraCtx.activeCameraPtrs[globalCtx->cameraCtx.unk_5C0], 3);
+        func_80092DAC(var, -0x3CB0);
+        func_80092E70(var, 3, 0, 0, 0);
+        func_80092DF0(var, 0xC);
+        Audio_PlayActorSound2(thisx, NA_SE_EV_BRIDGE_OPEN_STOP);
+    } else {
+        func_8002F974(thisx, 0x2067);
+    }
+}
+
+static void func_808B3274(BgSpot12Gate* this) {
+    Actor* thisx = &this->dyna.actor;
+
+    this->actionFunc = (ActorFunc)func_808B3298;
+    thisx->posRot.pos.y = thisx->initPosRot.pos.y + 200.0f;
+}
+
+static void func_808B3298(BgSpot12Gate* this, GlobalContext* globalCtx) {
+}
+
+static void BgSpot12Gate_Update(BgSpot12Gate* this, GlobalContext* globalCtx) {
+    if (this->unk_168 > 0) {
+        this->unk_168 -= 1;
+    }
+    this->actionFunc(this, globalCtx);
+}
+
+static void BgSpot12Gate_Draw(BgSpot12Gate* this, GlobalContext* globalCtx) {
+    Draw_DListOpa(globalCtx, &D_06001080);
+}
diff --git a/src/overlays/actors/ovl_Bg_Spot12_Gate/z_bg_spot12_gate.h b/src/overlays/actors/ovl_Bg_Spot12_Gate/z_bg_spot12_gate.h
index 3a6d11ba25..9ba6dc086d 100644
--- a/src/overlays/actors/ovl_Bg_Spot12_Gate/z_bg_spot12_gate.h
+++ b/src/overlays/actors/ovl_Bg_Spot12_Gate/z_bg_spot12_gate.h
@@ -5,8 +5,9 @@
 #include <global.h>
 
 typedef struct {
-    /* 0x0000 */ Actor actor;
-    /* 0x014C */ char unk_14C[0x20];
+    /* 0x0000 */ DynaPolyActor dyna;
+    /* 0x0164 */ ActorFunc actionFunc;
+    /* 0x0168 */ s16 unk_168;
 } BgSpot12Gate; // size = 0x016C
 
 extern const ActorInit Bg_Spot12_Gate_InitVars;
diff --git a/undefined_syms.txt b/undefined_syms.txt
index 80c6aaebd7..c90f13470b 100644
--- a/undefined_syms.txt
+++ b/undefined_syms.txt
@@ -152,6 +152,10 @@ DOOR_TOKI_COLLISION_DATA = 0x06007888;
 // z_bg_spot09_obj
 D_06008010 = 0x06008010;
 
+// z_bg_spot12_gate
+D_06001080 = 0x06001080;
+D_060011EC = 0x060011EC;
+
 // z_bg_spot18_futa
 DL_SPOT18_FUTA = 0x06000368;
 DL_SPOT18_FUTA2 = 0x06000150;