diff --git a/config/dedup.us.yaml b/config/dedup.us.yaml
index 03b3ace0f..e06a715bf 100644
--- a/config/dedup.us.yaml
+++ b/config/dedup.us.yaml
@@ -13767,3 +13767,66 @@ groups:
     func: DEFINE_func_801412A8
     vram: 0x801412A8
     binaries: [ov_SC01_077, ov_SC01_005, ov_SC01_006, ov_SC03_001, ov_SC01_000, ov_SC01_001, ov_SC02_000, ov_SC02_003, ov_SC03_002, ov_SC03_006, ov_SC04_000, ov_SC04_018, ov_SC04_019, ov_SC05_000, ov_SC06_000, ov_SC07_000, ov_SC01_004, ov_SC01_008, ov_SC01_009, ov_SC01_074, ov_SC01_080, ov_SC01_084, ov_SC02_004, ov_SC02_005, ov_SC02_011, ov_SC02_015, ov_SC02_016, ov_SC02_017, ov_SC02_021, ov_SC02_026, ov_SC02_027, ov_SC02_028, ov_SC02_031, ov_SC02_035, ov_SC02_039, ov_SC02_041, ov_SC03_003, ov_SC03_007, ov_SC03_010, ov_SC03_011, ov_SC03_012, ov_SC03_013, ov_SC03_014, ov_SC03_015, ov_SC03_023, ov_SC03_024, ov_SC03_028, ov_SC03_029, ov_SC03_030, ov_SC03_031, ov_SC03_089, ov_SC03_090, ov_SC03_091, ov_SC03_092, ov_SC03_093, ov_SC03_094, ov_SC03_095, ov_SC03_096, ov_SC03_097, ov_SC03_098, ov_SC03_099, ov_SC03_100, ov_SC03_101, ov_SC03_102, ov_SC03_103, ov_SC03_104, ov_SC03_105, ov_SC03_108, ov_SC03_109, ov_SC03_110, ov_SC03_111, ov_SC03_112, ov_SC03_113, ov_SC03_114, ov_SC03_115, ov_SC03_116, ov_SC03_117, ov_SC03_118, ov_SC03_119, ov_SC03_121, ov_SC03_124, ov_SC03_125, ov_SC03_126, ov_SC04_002, ov_SC04_003, ov_SC04_004, ov_SC04_005, ov_SC04_006, ov_SC04_007, ov_SC04_008, ov_SC04_009, ov_SC04_010, ov_SC04_011, ov_SC04_012, ov_SC04_015, ov_SC04_016, ov_SC04_020, ov_SC04_021, ov_SC05_001, ov_SC05_002, ov_SC05_003, ov_SC05_004, ov_SC05_005, ov_SC05_006, ov_SC05_007, ov_SC05_008, ov_SC05_009, ov_SC05_010, ov_SC05_011, ov_SC05_017, ov_SC05_018, ov_SC05_019, ov_SC06_006, ov_SC06_008, ov_SC06_010, ov_SC06_011, ov_SC06_013, ov_SC06_014, ov_SC06_015, ov_SC06_016, ov_SC06_018, ov_SC06_020, ov_SC06_022, ov_SC06_024, ov_SC06_025, ov_SC06_027, ov_SC06_029, ov_SC06_030, ov_SC06_032, ov_SC06_033, ov_SC07_001, ov_SC07_002, ov_SC07_008, ov_SC07_009, ov_SC07_006, ov_SC07_007, ov_SC07_010, ov_SC07_011, ov_MAIN_012, ov_SC02_037, ov_SC03_107]
+  - id: E_func_801EF790
+    tier: h_exact
+    hash: 7678540574197b420f17571673856a74783eb9d5
+    source: src/shared/engine_core.h
+    func: DEFINE_func_801EF790
+    vram: 0x801EF790
+    binaries: [md_SC03_073, md_SC03_074, md_SC03_075, md_SC03_078]
+  - id: E_func_801EF85C
+    tier: h_exact
+    hash: 7678540574197b420f17571673856a74783eb9d5
+    source: src/shared/engine_core.h
+    func: DEFINE_func_801EF85C
+    vram: 0x801EF85C
+    binaries: [md_SC03_073, md_SC03_074, md_SC03_075, md_SC03_078]
+  - id: E_func_801EF5D4
+    tier: h_exact
+    hash: 37f67f3adb2e4e2b3392abbf4d460a287e3a0242
+    source: src/shared/engine_core.h
+    func: DEFINE_func_801EF5D4
+    vram: 0x801EF5D4
+    binaries: [md_SC03_073, md_SC03_074, md_SC03_075, md_SC03_078]
+  - id: E_func_801EF7D4
+    tier: h_exact
+    hash: 88741b5adb4e8a5dd0a66638938cf23fb9b7f066
+    source: src/shared/engine_core.h
+    func: DEFINE_func_801EF7D4
+    vram: 0x801EF7D4
+    binaries: [md_SC03_073, md_SC03_074, md_SC03_075, md_SC03_078]
+  - id: E_func_801EF4D4
+    tier: h_exact
+    hash: 511a8b68802b6800ebb271e89b28604ee53e3401
+    source: src/shared/engine_core.h
+    func: DEFINE_func_801EF4D4
+    vram: 0x801EF4D4
+    binaries: [md_SC03_073, md_SC03_074, md_SC03_075, md_SC03_078]
+  - id: E_func_801EF6A8
+    tier: h_exact
+    hash: b9caea59f74f751ecba04ee2292b4bbae825b673
+    source: src/shared/engine_core.h
+    func: DEFINE_func_801EF6A8
+    vram: 0x801EF6A8
+    binaries: [md_SC03_073, md_SC03_074, md_SC03_075, md_SC03_078]
+  - id: E_func_801EF4F8
+    tier: h_exact
+    hash: 54f18e02ce1c686b2286215e0e141cb1f25ee47e
+    source: src/shared/engine_core.h
+    func: DEFINE_func_801EF4F8
+    vram: 0x801EF4F8
+    binaries: [md_SC03_073, md_SC03_074, md_SC03_075, md_SC03_078]
+  - id: E_func_801EF544
+    tier: h_exact
+    hash: f054e0c427606ab0cdd12d7fe9fc2e330024d47d
+    source: src/shared/engine_core.h
+    func: DEFINE_func_801EF544
+    vram: 0x801EF544
+    binaries: [md_SC03_073, md_SC03_074, md_SC03_075]
+  - id: E_func_801EF864
+    tier: h_exact
+    hash: 9d4f47042e9a9f81e4e9ef6f5ad53664d4e46bc3
+    source: src/shared/engine_core.h
+    func: DEFINE_func_801EF864
+    vram: 0x801EF864
+    binaries: [md_SC03_073, md_SC03_074, md_SC03_075, md_SC03_078]
diff --git a/src/md_SC03_073/md_SC03_073.c b/src/md_SC03_073/md_SC03_073.c
index c1ffa3a89..607a7002c 100644
--- a/src/md_SC03_073/md_SC03_073.c
+++ b/src/md_SC03_073/md_SC03_073.c
@@ -1,33 +1,20 @@
 #include "common.h"
+#include "../shared/engine_core.h"
 
 INCLUDE_ASM("asm/md_SC03_073/nonmatchings/md_SC03_073", func_801EF47C);
 
 
-extern s32 func_800167F0(s32 a0);
-
-s32 func_801EF4D4(void) {
-    return (func_800167F0(0) & 0xffff) != 0;
-}
+DEFINE_func_801EF4D4()  /* dedup: shared engine-core @0x801EF4D4 (src/shared) */
 
 
 
-extern void func_8016EDEC(s32 a0, s32 a1, s32 a2);
-extern void func_801EF798(void *arg0);
-
-s32 func_801EF4F8(s32 param_1) {
-    ((void (*)(void *, s32))func_8016EDEC)((void *)func_801EF798, 0x1000000);
-    *(u8 *)(param_1 + 0x15) = *(u8 *)(param_1 + 0x15) + 1;
-    *(s32 *)(param_1 + 0x28) = 16;
-    return 0;
-}
+DEFINE_func_801EF4F8()  /* dedup: shared engine-core @0x801EF4F8 (src/shared) */
 
 
-INCLUDE_ASM("asm/md_SC03_073/nonmatchings/md_SC03_073", func_801EF544);
+DEFINE_func_801EF544()  /* dedup: shared engine-core @0x801EF544 (src/shared) */
 
-extern void func_800D1EBC(void);
-void func_801EF5D4(void) {
-    func_800D1EBC();
-}
+
+DEFINE_func_801EF5D4()  /* dedup: shared engine-core @0x801EF5D4 (src/shared) */
 
 
 
@@ -57,12 +44,7 @@ void func_801EF66C(void *a0) {
 }
 
 
-extern void func_80171A1C(void*);
-extern void func_80175414(s32 _arg0);
-void func_801EF6A8(void) {
-    ((void (*)(void))func_80171A1C)();
-    ((void (*)(void))func_80175414)();
-}
+DEFINE_func_801EF6A8()  /* dedup: shared engine-core @0x801EF6A8 (src/shared) */
 
 
 INCLUDE_RODATA("asm/md_SC03_073/nonmatchings/md_SC03_073", D_801EF468);
@@ -86,8 +68,7 @@ void func_801EF738(void *arg0) {
 }
 
 
-void func_801EF790(void) {
-}
+DEFINE_func_801EF790()  /* dedup: shared engine-core @0x801EF790 (src/shared) */
 
 
 
@@ -98,54 +79,15 @@ void func_801EF798(void *a0) {
 }
 
 
-extern void func_80171A1C(void*);
-void func_801EF7D4(void) {
-    ((void (*)(void))func_80171A1C)();
-}
+DEFINE_func_801EF7D4()  /* dedup: shared engine-core @0x801EF7D4 (src/shared) */
 
 
 INCLUDE_ASM("asm/md_SC03_073/nonmatchings/md_SC03_073", func_801EF7F4);
 
-void func_801EF85C(void) {
-}
+DEFINE_func_801EF85C()  /* dedup: shared engine-core @0x801EF85C (src/shared) */
 
 
-extern void func_8012A018(s32 a0, s32 a1);
-extern void func_8012A094(s32 a0);
-extern void func_801EF928(void *a0);
-
-void func_801EF864(void) {
-
-    extern s32 D_80126950;
-    extern s32 D_80126954;
-    extern s32 D_8012695C;
-    extern s16 D_80126968;
-    extern s16 D_8012696A;
-    extern s16 D_8012696C;
-    extern s16 D_80126976;
-    extern s16 D_80126978;
-    extern s16 D_8012697A;
-    extern u8 D_80126948[];
-    extern s16 D_801274E8;
-    extern s16 D_801274EA;
-    extern s16 D_801274EC;
-
-    D_80126954 = 0x190;
-    D_80126950 = 0x190;
-    D_8012695C = 0x82;
-    D_80126968 = 0xFB1;
-    D_8012696A = 0x7C7;
-    D_8012696C = 0;
-    D_80126976 = 0;
-    D_80126978 = -0x36;
-    D_8012697A = 0;
-    func_8012A018((s32)func_801EF928, 0);
-    func_801EF928(D_80126948);
-    func_8012A094((s32)D_80126948);
-    D_801274EA = -0x82;
-    D_801274E8 = 0;
-    D_801274EC = -0x1B0;
-}
+DEFINE_func_801EF864()  /* dedup: shared engine-core @0x801EF864 (src/shared) */
 
 
 
diff --git a/src/md_SC03_074/md_SC03_074.c b/src/md_SC03_074/md_SC03_074.c
index a2952a60a..143d16808 100644
--- a/src/md_SC03_074/md_SC03_074.c
+++ b/src/md_SC03_074/md_SC03_074.c
@@ -1,33 +1,19 @@
 #include "common.h"
+#include "../shared/engine_core.h"
 
 INCLUDE_ASM("asm/md_SC03_074/nonmatchings/md_SC03_074", func_801EF47C);
 
 
-extern s32 func_800167F0(s32 a0);
-
-s32 func_801EF4D4(void) {
-    return (func_800167F0(0) & 0xffff) != 0;
-}
+DEFINE_func_801EF4D4()  /* dedup: shared engine-core @0x801EF4D4 (src/shared) */
 
 
 
-extern void func_8016EDEC(s32 a0, s32 a1, s32 a2);
-extern void func_801EF798(void *arg0);
-
-s32 func_801EF4F8(s32 param_1) {
-    ((void (*)(void *, s32))func_8016EDEC)((void *)func_801EF798, 0x1000000);
-    *(u8 *)(param_1 + 0x15) = *(u8 *)(param_1 + 0x15) + 1;
-    *(s32 *)(param_1 + 0x28) = 16;
-    return 0;
-}
+DEFINE_func_801EF4F8()  /* dedup: shared engine-core @0x801EF4F8 (src/shared) */
 
 
-INCLUDE_ASM("asm/md_SC03_074/nonmatchings/md_SC03_074", func_801EF544);
+DEFINE_func_801EF544()  /* dedup: shared engine-core @0x801EF544 (src/shared) */
 
-extern void func_800D1EBC(void);
-void func_801EF5D4(void) {
-    func_800D1EBC();
-}
+DEFINE_func_801EF5D4()  /* dedup: shared engine-core @0x801EF5D4 (src/shared) */
 
 
 
@@ -57,12 +43,7 @@ void func_801EF66C(void *a0) {
 }
 
 
-extern void func_80171A1C(void*);
-extern void func_80175414(s32 _arg0);
-void func_801EF6A8(void) {
-    ((void (*)(void))func_80171A1C)();
-    ((void (*)(void))func_80175414)();
-}
+DEFINE_func_801EF6A8()  /* dedup: shared engine-core @0x801EF6A8 (src/shared) */
 
 
 INCLUDE_RODATA("asm/md_SC03_074/nonmatchings/md_SC03_074", D_801EF468);
@@ -86,8 +67,7 @@ void func_801EF738(void *arg0) {
 }
 
 
-void func_801EF790(void) {
-}
+DEFINE_func_801EF790()  /* dedup: shared engine-core @0x801EF790 (src/shared) */
 
 
 
@@ -98,54 +78,15 @@ void func_801EF798(void *a0) {
 }
 
 
-extern void func_80171A1C(void*);
-void func_801EF7D4(void) {
-    ((void (*)(void))func_80171A1C)();
-}
+DEFINE_func_801EF7D4()  /* dedup: shared engine-core @0x801EF7D4 (src/shared) */
 
 
 INCLUDE_ASM("asm/md_SC03_074/nonmatchings/md_SC03_074", func_801EF7F4);
 
-void func_801EF85C(void) {
-}
+DEFINE_func_801EF85C()  /* dedup: shared engine-core @0x801EF85C (src/shared) */
 
 
-extern void func_8012A018(s32 a0, s32 a1);
-extern void func_8012A094(s32 a0);
-extern void func_801EF928(void *a0);
-
-void func_801EF864(void) {
-
-    extern s32 D_80126950;
-    extern s32 D_80126954;
-    extern s32 D_8012695C;
-    extern s16 D_80126968;
-    extern s16 D_8012696A;
-    extern s16 D_8012696C;
-    extern s16 D_80126976;
-    extern s16 D_80126978;
-    extern s16 D_8012697A;
-    extern u8 D_80126948[];
-    extern s16 D_801274E8;
-    extern s16 D_801274EA;
-    extern s16 D_801274EC;
-
-    D_80126954 = 0x190;
-    D_80126950 = 0x190;
-    D_8012695C = 0x82;
-    D_80126968 = 0xFB1;
-    D_8012696A = 0x7C7;
-    D_8012696C = 0;
-    D_80126976 = 0;
-    D_80126978 = -0x36;
-    D_8012697A = 0;
-    func_8012A018((s32)func_801EF928, 0);
-    func_801EF928(D_80126948);
-    func_8012A094((s32)D_80126948);
-    D_801274EA = -0x82;
-    D_801274E8 = 0;
-    D_801274EC = -0x1B0;
-}
+DEFINE_func_801EF864()  /* dedup: shared engine-core @0x801EF864 (src/shared) */
 
 
 
diff --git a/src/md_SC03_075/md_SC03_075.c b/src/md_SC03_075/md_SC03_075.c
index 3200667f1..38df1d0d4 100644
--- a/src/md_SC03_075/md_SC03_075.c
+++ b/src/md_SC03_075/md_SC03_075.c
@@ -1,33 +1,19 @@
 #include "common.h"
+#include "../shared/engine_core.h"
 
 INCLUDE_ASM("asm/md_SC03_075/nonmatchings/md_SC03_075", func_801EF47C);
 
 
-extern s32 func_800167F0(s32 a0);
-
-s32 func_801EF4D4(void) {
-    return (func_800167F0(0) & 0xffff) != 0;
-}
+DEFINE_func_801EF4D4()  /* dedup: shared engine-core @0x801EF4D4 (src/shared) */
 
 
 
-extern void func_8016EDEC(s32 a0, s32 a1, s32 a2);
-extern void func_801EF798(void *arg0);
-
-s32 func_801EF4F8(s32 param_1) {
-    ((void (*)(void *, s32))func_8016EDEC)((void *)func_801EF798, 0x1000000);
-    *(u8 *)(param_1 + 0x15) = *(u8 *)(param_1 + 0x15) + 1;
-    *(s32 *)(param_1 + 0x28) = 16;
-    return 0;
-}
+DEFINE_func_801EF4F8()  /* dedup: shared engine-core @0x801EF4F8 (src/shared) */
 
 
-INCLUDE_ASM("asm/md_SC03_075/nonmatchings/md_SC03_075", func_801EF544);
+DEFINE_func_801EF544()  /* dedup: shared engine-core @0x801EF544 (src/shared) */
 
-extern void func_800D1EBC(void);
-void func_801EF5D4(void) {
-    func_800D1EBC();
-}
+DEFINE_func_801EF5D4()  /* dedup: shared engine-core @0x801EF5D4 (src/shared) */
 
 
 
@@ -57,12 +43,7 @@ void func_801EF66C(void *a0) {
 }
 
 
-extern void func_80171A1C(void*);
-extern void func_80175414(s32 _arg0);
-void func_801EF6A8(void) {
-    ((void (*)(void))func_80171A1C)();
-    ((void (*)(void))func_80175414)();
-}
+DEFINE_func_801EF6A8()  /* dedup: shared engine-core @0x801EF6A8 (src/shared) */
 
 
 INCLUDE_RODATA("asm/md_SC03_075/nonmatchings/md_SC03_075", D_801EF468);
@@ -86,8 +67,7 @@ void func_801EF738(void *arg0) {
 }
 
 
-void func_801EF790(void) {
-}
+DEFINE_func_801EF790()  /* dedup: shared engine-core @0x801EF790 (src/shared) */
 
 
 
@@ -98,54 +78,15 @@ void func_801EF798(void *a0) {
 }
 
 
-extern void func_80171A1C(void*);
-void func_801EF7D4(void) {
-    ((void (*)(void))func_80171A1C)();
-}
+DEFINE_func_801EF7D4()  /* dedup: shared engine-core @0x801EF7D4 (src/shared) */
 
 
 INCLUDE_ASM("asm/md_SC03_075/nonmatchings/md_SC03_075", func_801EF7F4);
 
-void func_801EF85C(void) {
-}
+DEFINE_func_801EF85C()  /* dedup: shared engine-core @0x801EF85C (src/shared) */
 
 
-extern void func_8012A018(s32 a0, s32 a1);
-extern void func_8012A094(s32 a0);
-extern void func_801EF928(void *a0);
-
-void func_801EF864(void) {
-
-    extern s32 D_80126950;
-    extern s32 D_80126954;
-    extern s32 D_8012695C;
-    extern s16 D_80126968;
-    extern s16 D_8012696A;
-    extern s16 D_8012696C;
-    extern s16 D_80126976;
-    extern s16 D_80126978;
-    extern s16 D_8012697A;
-    extern u8 D_80126948[];
-    extern s16 D_801274E8;
-    extern s16 D_801274EA;
-    extern s16 D_801274EC;
-
-    D_80126954 = 0x190;
-    D_80126950 = 0x190;
-    D_8012695C = 0x82;
-    D_80126968 = 0xFB1;
-    D_8012696A = 0x7C7;
-    D_8012696C = 0;
-    D_80126976 = 0;
-    D_80126978 = -0x36;
-    D_8012697A = 0;
-    func_8012A018((s32)func_801EF928, 0);
-    func_801EF928(D_80126948);
-    func_8012A094((s32)D_80126948);
-    D_801274EA = -0x82;
-    D_801274E8 = 0;
-    D_801274EC = -0x1B0;
-}
+DEFINE_func_801EF864()  /* dedup: shared engine-core @0x801EF864 (src/shared) */
 
 
 
diff --git a/src/md_SC03_078/md_SC03_078.c b/src/md_SC03_078/md_SC03_078.c
index 6658a5705..076ac6ca8 100644
--- a/src/md_SC03_078/md_SC03_078.c
+++ b/src/md_SC03_078/md_SC03_078.c
@@ -1,33 +1,19 @@
 #include "common.h"
+#include "../shared/engine_core.h"
 
 INCLUDE_ASM("asm/md_SC03_078/nonmatchings/md_SC03_078", func_801EF47C);
 
 
-extern s32 func_800167F0(s32 a0);
-
-s32 func_801EF4D4(void) {
-    return (func_800167F0(0) & 0xffff) != 0;
-}
+DEFINE_func_801EF4D4()  /* dedup: shared engine-core @0x801EF4D4 (src/shared) */
 
 
 
-extern void func_8016EDEC(s32 a0, s32 a1, s32 a2);
-extern void func_801EF798(void *arg0);
-
-s32 func_801EF4F8(s32 param_1) {
-    ((void (*)(void *, s32))func_8016EDEC)((void *)func_801EF798, 0x1000000);
-    *(u8 *)(param_1 + 0x15) = *(u8 *)(param_1 + 0x15) + 1;
-    *(s32 *)(param_1 + 0x28) = 16;
-    return 0;
-}
+DEFINE_func_801EF4F8()  /* dedup: shared engine-core @0x801EF4F8 (src/shared) */
 
 
 INCLUDE_ASM("asm/md_SC03_078/nonmatchings/md_SC03_078", func_801EF544);
 
-extern void func_800D1EBC(void);
-void func_801EF5D4(void) {
-    func_800D1EBC();
-}
+DEFINE_func_801EF5D4()  /* dedup: shared engine-core @0x801EF5D4 (src/shared) */
 
 
 
@@ -57,12 +43,7 @@ void func_801EF66C(void *a0) {
 }
 
 
-extern void func_80171A1C(void*);
-extern void func_80175414(s32 _arg0);
-void func_801EF6A8(void) {
-    ((void (*)(void))func_80171A1C)();
-    ((void (*)(void))func_80175414)();
-}
+DEFINE_func_801EF6A8()  /* dedup: shared engine-core @0x801EF6A8 (src/shared) */
 
 
 INCLUDE_RODATA("asm/md_SC03_078/nonmatchings/md_SC03_078", D_801EF468);
@@ -86,8 +67,7 @@ void func_801EF738(void *arg0) {
 }
 
 
-void func_801EF790(void) {
-}
+DEFINE_func_801EF790()  /* dedup: shared engine-core @0x801EF790 (src/shared) */
 
 
 
@@ -98,54 +78,15 @@ void func_801EF798(void *a0) {
 }
 
 
-extern void func_80171A1C(void*);
-void func_801EF7D4(void) {
-    ((void (*)(void))func_80171A1C)();
-}
+DEFINE_func_801EF7D4()  /* dedup: shared engine-core @0x801EF7D4 (src/shared) */
 
 
 INCLUDE_ASM("asm/md_SC03_078/nonmatchings/md_SC03_078", func_801EF7F4);
 
-void func_801EF85C(void) {
-}
+DEFINE_func_801EF85C()  /* dedup: shared engine-core @0x801EF85C (src/shared) */
 
 
-extern void func_8012A018(s32 a0, s32 a1);
-extern void func_8012A094(s32 a0);
-extern void func_801EF928(void *a0);
-
-void func_801EF864(void) {
-
-    extern s32 D_80126950;
-    extern s32 D_80126954;
-    extern s32 D_8012695C;
-    extern s16 D_80126968;
-    extern s16 D_8012696A;
-    extern s16 D_8012696C;
-    extern s16 D_80126976;
-    extern s16 D_80126978;
-    extern s16 D_8012697A;
-    extern u8 D_80126948[];
-    extern s16 D_801274E8;
-    extern s16 D_801274EA;
-    extern s16 D_801274EC;
-
-    D_80126954 = 0x190;
-    D_80126950 = 0x190;
-    D_8012695C = 0x82;
-    D_80126968 = 0xFB1;
-    D_8012696A = 0x7C7;
-    D_8012696C = 0;
-    D_80126976 = 0;
-    D_80126978 = -0x36;
-    D_8012697A = 0;
-    func_8012A018((s32)func_801EF928, 0);
-    func_801EF928(D_80126948);
-    func_8012A094((s32)D_80126948);
-    D_801274EA = -0x82;
-    D_801274E8 = 0;
-    D_801274EC = -0x1B0;
-}
+DEFINE_func_801EF864()  /* dedup: shared engine-core @0x801EF864 (src/shared) */
 
 
 
diff --git a/src/shared/engine_core.h b/src/shared/engine_core.h
index d2ac1033f..b1115b131 100644
--- a/src/shared/engine_core.h
+++ b/src/shared/engine_core.h
@@ -1738,6 +1738,105 @@
         return p + 1; \
     }
 
+#define DEFINE_func_801EF790() \
+    void func_801EF790(void) { \
+    }
+
+#define DEFINE_func_801EF85C() \
+    void func_801EF85C(void) { \
+    }
+
+#define DEFINE_func_801EF5D4() \
+    extern void func_800D1EBC(void); \
+    void func_801EF5D4(void) { \
+        func_800D1EBC(); \
+    }
+
+#define DEFINE_func_801EF7D4() \
+    extern void func_80171A1C(void*); \
+    void func_801EF7D4(void) { \
+        ((void (*)(void))func_80171A1C)(); \
+    }
+
+#define DEFINE_func_801EF4D4() \
+    extern s32 func_800167F0(s32 a0); \
+    s32 func_801EF4D4(void) { \
+        return (func_800167F0(0) & 0xffff) != 0; \
+    }
+
+#define DEFINE_func_801EF6A8() \
+    extern void func_80171A1C(void*); \
+    extern void func_80175414(s32 _arg0); \
+    void func_801EF6A8(void) { \
+        ((void (*)(void))func_80171A1C)(); \
+        ((void (*)(void))func_80175414)(); \
+    }
+
+#define DEFINE_func_801EF4F8() \
+    extern void func_8016EDEC(s32 a0, s32 a1, s32 a2); \
+    extern void func_801EF798(void *arg0); \
+    s32 func_801EF4F8(s32 param_1) { \
+        ((void (*)(void *, s32))func_8016EDEC)((void *)func_801EF798, 0x1000000); \
+        *(u8 *)(param_1 + 0x15) = *(u8 *)(param_1 + 0x15) + 1; \
+        *(s32 *)(param_1 + 0x28) = 16; \
+        return 0; \
+    }
+
+#define DEFINE_func_801EF544() \
+    extern s32 func_800D1E28(void); \
+    extern s32 func_8002D4C8(s32, s32); \
+    extern s32 func_8001BFD0(void); \
+    extern s32 func_800291B4(s32); \
+    extern s32 func_800D0C48(s32); \
+    s32 func_801EF544(s32 param_1) { \
+        if ((*(s32 *)(param_1 + 0x28) = *(s32 *)(param_1 + 0x28) - 1) == -1) { \
+            func_800D1E28(); \
+            func_8002D4C8(0x1C, 0); \
+            func_8001BFD0(); \
+            if ((func_800291B4(0xCE) & 0xFF) == 0) { \
+                func_8002D4C8(0x1D, 0); \
+                func_800D0C48(1); \
+            } \
+            *(u8 *)(param_1 + 0x15) = *(u8 *)(param_1 + 0x15) + 1; \
+        } \
+        return 0; \
+    }
+
+#define DEFINE_func_801EF864() \
+    extern void func_8012A018(s32 a0, s32 a1); \
+    extern void func_8012A094(s32 a0); \
+    extern void func_801EF928(void *a0); \
+    void func_801EF864(void) { \
+        extern s32 D_80126950; \
+        extern s32 D_80126954; \
+        extern s32 D_8012695C; \
+        extern s16 D_80126968; \
+        extern s16 D_8012696A; \
+        extern s16 D_8012696C; \
+        extern s16 D_80126976; \
+        extern s16 D_80126978; \
+        extern s16 D_8012697A; \
+        extern u8 D_80126948[]; \
+        extern s16 D_801274E8; \
+        extern s16 D_801274EA; \
+        extern s16 D_801274EC; \
+        D_80126954 = 0x190; \
+        D_80126950 = 0x190; \
+        D_8012695C = 0x82; \
+        D_80126968 = 0xFB1; \
+        D_8012696A = 0x7C7; \
+        D_8012696C = 0; \
+        D_80126976 = 0; \
+        D_80126978 = -0x36; \
+        D_8012697A = 0; \
+        func_8012A018((s32)func_801EF928, 0); \
+        func_801EF928(D_80126948); \
+        func_8012A094((s32)D_80126948); \
+        D_801274EA = -0x82; \
+        D_801274E8 = 0; \
+        D_801274EC = -0x1B0; \
+    }
+
 #endif
 
 #define DEFINE_func_80128EA8() \
@@ -32881,4 +32980,103 @@
         return p + 1; \
     }
 
+#define DEFINE_func_801EF790() \
+    void func_801EF790(void) { \
+    }
+
+#define DEFINE_func_801EF85C() \
+    void func_801EF85C(void) { \
+    }
+
+#define DEFINE_func_801EF5D4() \
+    extern void func_800D1EBC(void); \
+    void func_801EF5D4(void) { \
+        func_800D1EBC(); \
+    }
+
+#define DEFINE_func_801EF7D4() \
+    extern void func_80171A1C(void*); \
+    void func_801EF7D4(void) { \
+        ((void (*)(void))func_80171A1C)(); \
+    }
+
+#define DEFINE_func_801EF4D4() \
+    extern s32 func_800167F0(s32 a0); \
+    s32 func_801EF4D4(void) { \
+        return (func_800167F0(0) & 0xffff) != 0; \
+    }
+
+#define DEFINE_func_801EF6A8() \
+    extern void func_80171A1C(void*); \
+    extern void func_80175414(s32 _arg0); \
+    void func_801EF6A8(void) { \
+        ((void (*)(void))func_80171A1C)(); \
+        ((void (*)(void))func_80175414)(); \
+    }
+
+#define DEFINE_func_801EF4F8() \
+    extern void func_8016EDEC(s32 a0, s32 a1, s32 a2); \
+    extern void func_801EF798(void *arg0); \
+    s32 func_801EF4F8(s32 param_1) { \
+        ((void (*)(void *, s32))func_8016EDEC)((void *)func_801EF798, 0x1000000); \
+        *(u8 *)(param_1 + 0x15) = *(u8 *)(param_1 + 0x15) + 1; \
+        *(s32 *)(param_1 + 0x28) = 16; \
+        return 0; \
+    }
+
+#define DEFINE_func_801EF544() \
+    extern s32 func_800D1E28(void); \
+    extern s32 func_8002D4C8(s32, s32); \
+    extern s32 func_8001BFD0(void); \
+    extern s32 func_800291B4(s32); \
+    extern s32 func_800D0C48(s32); \
+    s32 func_801EF544(s32 param_1) { \
+        if ((*(s32 *)(param_1 + 0x28) = *(s32 *)(param_1 + 0x28) - 1) == -1) { \
+            func_800D1E28(); \
+            func_8002D4C8(0x1C, 0); \
+            func_8001BFD0(); \
+            if ((func_800291B4(0xCE) & 0xFF) == 0) { \
+                func_8002D4C8(0x1D, 0); \
+                func_800D0C48(1); \
+            } \
+            *(u8 *)(param_1 + 0x15) = *(u8 *)(param_1 + 0x15) + 1; \
+        } \
+        return 0; \
+    }
+
+#define DEFINE_func_801EF864() \
+    extern void func_8012A018(s32 a0, s32 a1); \
+    extern void func_8012A094(s32 a0); \
+    extern void func_801EF928(void *a0); \
+    void func_801EF864(void) { \
+        extern s32 D_80126950; \
+        extern s32 D_80126954; \
+        extern s32 D_8012695C; \
+        extern s16 D_80126968; \
+        extern s16 D_8012696A; \
+        extern s16 D_8012696C; \
+        extern s16 D_80126976; \
+        extern s16 D_80126978; \
+        extern s16 D_8012697A; \
+        extern u8 D_80126948[]; \
+        extern s16 D_801274E8; \
+        extern s16 D_801274EA; \
+        extern s16 D_801274EC; \
+        D_80126954 = 0x190; \
+        D_80126950 = 0x190; \
+        D_8012695C = 0x82; \
+        D_80126968 = 0xFB1; \
+        D_8012696A = 0x7C7; \
+        D_8012696C = 0; \
+        D_80126976 = 0; \
+        D_80126978 = -0x36; \
+        D_8012697A = 0; \
+        func_8012A018((s32)func_801EF928, 0); \
+        func_801EF928(D_80126948); \
+        func_8012A094((s32)D_80126948); \
+        D_801274EA = -0x82; \
+        D_801274E8 = 0; \
+        D_801274EC = -0x1B0; \
+    }
+
 #endif