diff --git a/src/ov_SC02_003/ov_SC02_003_jr_8018173C.c b/src/ov_SC02_003/ov_SC02_003_jr_8018173C.c
index 968c6bbf4..3e5562bc8 100644
--- a/src/ov_SC02_003/ov_SC02_003_jr_8018173C.c
+++ b/src/ov_SC02_003/ov_SC02_003_jr_8018173C.c
@@ -5359,7 +5359,7 @@ typedef struct {
 
 extern s32 func_8012BEE8(s32 a0);
 extern s32 func_8012AD50(void *a0);
-extern void *func_80189DB8(void *a0, s32 color);
+extern u32 func_80189DB8();
 extern void func_80189B1C(void *a0, Range_80189B1C *a1, void *a2, void *a3);
 extern u8 D_8018F71C[];
 
@@ -5384,7 +5384,7 @@ typedef struct {
 
 extern u8 D_8018F71C[];
 extern s16 D_8018F71E;
-extern void *func_80189DB8();
+extern u32 func_80189DB8();
 
 void func_80189A70(s32 *a0)
 {
@@ -5417,7 +5417,26 @@ INCLUDE_ASM("asm/ov_SC02_003/nonmatchings/ov_SC02_003_jr_8018173C", func_80189C6
 
 INCLUDE_ASM("asm/ov_SC02_003/nonmatchings/ov_SC02_003_jr_8018173C", func_80189D10);
 
-INCLUDE_ASM("asm/ov_SC02_003/nonmatchings/ov_SC02_003_jr_8018173C", func_80189DB8);
+extern u16 D_800B99DA;
+
+u32 func_80189DB8(param_1, param_2)
+u32 param_1;
+u32 param_2;
+{
+    if (D_800B99DA & 1) {
+        u8 b[4];
+        *(u32*)b = param_2;
+        b[0] = (u8)(b[0] - 8);
+        if (b[0] >= 0xF8) b[0] = 0;
+        b[1] = (u8)(b[1] - 8);
+        if (b[1] >= 0xF8) b[1] = 0;
+        b[2] = (u8)(b[2] - 8);
+        if (b[2] >= 0xF8) b[2] = 0;
+        param_2 = *(u32*)b;
+    }
+    return param_2;
+}
+
 
 
 // @class: struct
diff --git a/src/ov_SC02_017/ov_SC02_017_jr_8017DF34.c b/src/ov_SC02_017/ov_SC02_017_jr_8017DF34.c
index 0c9f2d8a7..738112489 100644
--- a/src/ov_SC02_017/ov_SC02_017_jr_8017DF34.c
+++ b/src/ov_SC02_017/ov_SC02_017_jr_8017DF34.c
@@ -8904,7 +8904,23 @@ void func_8018838C(void *a0) {
     }
 
 
-INCLUDE_ASM("asm/ov_SC02_017/nonmatchings/ov_SC02_017_jr_8017DF34", func_801883A0);
+extern void D_801E9CCC;
+extern void func_8012A828(s32 a0, void *a1);
+
+s32 func_801883A0(a0)
+void *a0;
+{
+    u16 v;
+    *(u16 *)((s32)a0 + 2) = 3;
+    func_8012A828((s32)a0, &D_801E9CCC);
+    v = *(u16 *)(*(s32 *)((s32)a0 + 0x78) + 2);
+    *(u16 *)((s32)a0 + 0x5E) = 0;
+    *(u16 *)((s32)a0 + 0xDC) = 0;
+    *(s32 *)((s32)a0 + 0x1C) = 0x3C;
+    *(u16 *)((s32)a0 + 0xFE) = 0;
+    *(u16 *)((s32)a0 + 0x5C) = v;
+}
+
 
 extern s32 (*D_801E2130[])(void);
 extern s32 func_8012C044(s32 a0);
@@ -9047,7 +9063,7 @@ void func_8018875C(s32 a0) {
 
 
 extern s32 func_8012BEE8(s32 arg);
-    extern void func_801883A0(s32 *a0);
+    extern s32 func_801883A0();
     void func_801887C8(s32 *a0) {
         if (func_8012BEE8((s32)a0)) {
             func_801883A0(a0);
diff --git a/src/ov_SC02_027/ov_SC02_027_jr_8017D898.c b/src/ov_SC02_027/ov_SC02_027_jr_8017D898.c
index 772ebc79c..d57051a83 100644
--- a/src/ov_SC02_027/ov_SC02_027_jr_8017D898.c
+++ b/src/ov_SC02_027/ov_SC02_027_jr_8017D898.c
@@ -5032,7 +5032,17 @@ extern void func_8012AD44(s32 *a0, s16 a1);
     }
 
 
-INCLUDE_ASM("asm/ov_SC02_027/nonmatchings/ov_SC02_027_jr_8017D898", func_801825D8);
+extern void func_8002D4C8(s32 a0, s32 a1);
+extern void func_8012AD44(s32 *a0, s16 a1);
+
+s32 func_801825D8(arg0)
+void *arg0;
+{
+    *(s32 *)((char *)arg0 + 0x10) = 0x18000;
+    func_8012AD44(arg0, 2);
+    func_8002D4C8(0x675, 0);
+}
+
 
 extern void (*D_8018B99C)(void *);
 
diff --git a/src/ov_SC03_002/ov_SC03_002_jr_8017D604.c b/src/ov_SC03_002/ov_SC03_002_jr_8017D604.c
index 6fa6cf565..e09f47037 100644
--- a/src/ov_SC03_002/ov_SC03_002_jr_8017D604.c
+++ b/src/ov_SC03_002/ov_SC03_002_jr_8017D604.c
@@ -4678,7 +4678,7 @@ extern void func_8012E8E0(s32, s32);
 extern void func_8012E8A8(u8 *a0);
 extern s32  func_80183158(s32 arg0, s32 arg1);
 extern s32  func_801788B8(s32 arg0, s32 arg1);
-extern void func_8018118C();
+extern s32 func_8018118C();
 
 void func_80180F1C(void *a0) {
 
diff --git a/src/ov_SC03_003/ov_SC03_003_jr_8017D5C0.c b/src/ov_SC03_003/ov_SC03_003_jr_8017D5C0.c
index 71f897bcf..6fe6d29e0 100644
--- a/src/ov_SC03_003/ov_SC03_003_jr_8017D5C0.c
+++ b/src/ov_SC03_003/ov_SC03_003_jr_8017D5C0.c
@@ -3407,7 +3407,23 @@ void func_8017EBF4(void *a0) {
 }
 
 
-INCLUDE_ASM("asm/ov_SC03_003/nonmatchings/ov_SC03_003_jr_8017D5C0", func_8017EC64);
+extern s32 D_801151D4;
+
+s32 func_8017EC64(arg0)
+s32 arg0;
+{
+    s32 *ptr = (s32 *) D_801151D4;
+
+    *(s32 *) (arg0 + 0x204) += 0x30000;
+    ptr[4] -= *(s16 *) (arg0 + 0x206);
+    ptr[5] = ptr[4];
+    if (ptr[4] < 0x12C) {
+        ptr[4] = 0x12C;
+        ptr[5] = 0x12C;
+    }
+    return ptr[4];
+}
+
 
 
 extern void (*D_80182FB4[])(void);
diff --git a/src/ov_SC03_006/ov_SC03_006_jr_8017AE2C.c b/src/ov_SC03_006/ov_SC03_006_jr_8017AE2C.c
index 8d80fa52f..b4aa022eb 100644
--- a/src/ov_SC03_006/ov_SC03_006_jr_8017AE2C.c
+++ b/src/ov_SC03_006/ov_SC03_006_jr_8017AE2C.c
@@ -13542,7 +13542,23 @@ void func_8018B210(void *a0) {
     }
 
 
-INCLUDE_ASM("asm/ov_SC03_006/nonmatchings/ov_SC03_006_jr_8017AE2C", func_8018B224);
+extern void D_801E7D24;
+extern void func_8012A828(s32 a0, void *a1);
+
+s32 func_8018B224(a0)
+void *a0;
+{
+    u16 v;
+    *(u16 *)((s32)a0 + 2) = 3;
+    func_8012A828((s32)a0, &D_801E7D24);
+    v = *(u16 *)(*(s32 *)((s32)a0 + 0x78) + 2);
+    *(u16 *)((s32)a0 + 0x5E) = 0;
+    *(u16 *)((s32)a0 + 0xDC) = 0;
+    *(s32 *)((s32)a0 + 0x1C) = 0x3C;
+    *(u16 *)((s32)a0 + 0xFE) = 0;
+    *(u16 *)((s32)a0 + 0x5C) = v;
+}
+
 
 extern s32 (*D_801E0188[])(void);
 extern s32 func_8012C044(s32 a0);
diff --git a/src/ov_SC03_030/ov_SC03_030_jr_8017AE2C.c b/src/ov_SC03_030/ov_SC03_030_jr_8017AE2C.c
index 30116468b..7daa5efcf 100644
--- a/src/ov_SC03_030/ov_SC03_030_jr_8017AE2C.c
+++ b/src/ov_SC03_030/ov_SC03_030_jr_8017AE2C.c
@@ -4345,7 +4345,21 @@ extern s32 func_80012DBC(s32 arg0, s32 arg1, s32 arg2, s32 arg3);
     }
 
 
-INCLUDE_ASM("asm/ov_SC03_030/nonmatchings/ov_SC03_030_jr_8017AE2C", func_8017E240);
+void func_8017E240(void* a0)
+{
+    s32 temp;
+
+    if (func_801489E8(a0) != 0) {
+        temp = *(u16 *)(a0 + 0x132) + 0x71;
+    } else {
+        if (func_80148A48(a0) == 0) {
+            return;
+        }
+        temp = *(u16 *)(a0 + 0x132) - 0x71;
+    }
+    *(u16 *)(a0 + 0x132) = temp & 0xFFF;
+}
+
 
 extern void func_8016EE40(s32 a0, s32 a1, s32 a2);
 extern M2C_UNK D_8018592C;
diff --git a/src/ov_SC03_101/ov_SC03_101_jr_8017CA80.c b/src/ov_SC03_101/ov_SC03_101_jr_8017CA80.c
index 028c91654..e443a8f10 100644
--- a/src/ov_SC03_101/ov_SC03_101_jr_8017CA80.c
+++ b/src/ov_SC03_101/ov_SC03_101_jr_8017CA80.c
@@ -7088,7 +7088,7 @@ void func_80183084(void *a0) {
 }
 
 
-extern u16 func_8018330C(void *a0);
+extern s32 func_8018330C();
 
 void func_80183284(s32 a0)
 {
@@ -7106,7 +7106,30 @@ void func_80183284(s32 a0)
 }
 
 
-INCLUDE_ASM("asm/ov_SC03_101/nonmatchings/ov_SC03_101_jr_8017CA80", func_8018330C);
+extern void func_80015978(s32 a0, s32 *a1);
+extern void func_8012EFB8(s32 a0);
+
+s32 func_8018330C(a0)
+s32 a0;
+{
+    extern void func_8012EFB8(s32 a0);
+    s32 sp10;
+    s32 v1;
+
+    func_80015978(a0 + 4, &sp10);
+    if ((((s32 (*)(s32, s32))func_8012EFB8)((s32)&sp10, (s32)&sp10) & 0xFFFFEFFF) != 0) {
+        v1 = 1;
+    } else {
+        v1 = (*(s16 *)&sp10 * 64) / 160 + 0x40;
+    }
+    if (v1 <= 0) {
+        v1 = 1;
+    } else if (v1 >= 0x80) {
+        v1 = 0x7F;
+    }
+    return v1;
+}
+
 
 extern void (*D_8019B2AC[])(void);
 
diff --git a/src/ov_SC03_103/ov_SC03_103_jr_8017C294.c b/src/ov_SC03_103/ov_SC03_103_jr_8017C294.c
index 88944c6a5..e9d876566 100644
--- a/src/ov_SC03_103/ov_SC03_103_jr_8017C294.c
+++ b/src/ov_SC03_103/ov_SC03_103_jr_8017C294.c
@@ -7601,7 +7601,30 @@ void func_80183AEC(s32 a0)
 }
 
 
-INCLUDE_ASM("asm/ov_SC03_103/nonmatchings/ov_SC03_103_jr_8017C294", func_80183B74);
+extern void func_80015978(s32 a0, s32 *a1);
+extern void func_8012EFB8(s32 a0);
+
+s32 func_80183B74(a0)
+s32 a0;
+{
+    extern void func_8012EFB8(s32 a0);
+    s32 sp10;
+    s32 v1;
+
+    func_80015978(a0 + 4, &sp10);
+    if ((((s32 (*)(s32, s32))func_8012EFB8)((s32)&sp10, (s32)&sp10) & 0xFFFFEFFF) != 0) {
+        v1 = 1;
+    } else {
+        v1 = (*(s16 *)&sp10 * 64) / 160 + 0x40;
+    }
+    if (v1 <= 0) {
+        v1 = 1;
+    } else if (v1 >= 0x80) {
+        v1 = 0x7F;
+    }
+    return v1;
+}
+
 
 
 extern void (*D_801C20DC[])(void);
diff --git a/src/ov_SC03_119/ov_SC03_119_jr_8017FB84.c b/src/ov_SC03_119/ov_SC03_119_jr_8017FB84.c
index 9e2d36cdd..91adc77fe 100644
--- a/src/ov_SC03_119/ov_SC03_119_jr_8017FB84.c
+++ b/src/ov_SC03_119/ov_SC03_119_jr_8017FB84.c
@@ -4793,7 +4793,7 @@ extern void func_800D0C48(s32 a0);                         /* TU:1469 */
 extern s32 func_8014CB2C(void);                            /* TU:560 */
 extern void func_8012A018(s32 a, s32 b);                   /* TU:2412 */
 extern void func_801842DC(s32 a0);                         /* TU:4023 INCLUDE_ASM (no decl) */
-extern s32 func_80183830();                            /* TU:3930 INCLUDE_ASM (no decl) */
+extern s32 func_80183830(void);                            /* TU:3930 INCLUDE_ASM (no decl) */
 extern void func_80029124(s32, s32);                       /* TU:50 */
 extern s32 func_8016F0AC();                                /* TU:1945 */
 extern void func_8012C588(s32 a0, s32 a1);                 /* not in TU */
diff --git a/src/ov_SC03_125/ov_SC03_125_jr_8017D604.c b/src/ov_SC03_125/ov_SC03_125_jr_8017D604.c
index 1c5647678..03e9e6e95 100644
--- a/src/ov_SC03_125/ov_SC03_125_jr_8017D604.c
+++ b/src/ov_SC03_125/ov_SC03_125_jr_8017D604.c
@@ -3712,7 +3712,7 @@ extern void func_8012CAE4(void *a0);
 extern void func_8012E88C(s32 a0);
 extern void func_8012E8A8(u8 *a0);
 extern void func_8012E8E0(s32 a0, s32 a1);
-extern void func_8017F68C();
+extern s32 func_8017F68C();
 
 void func_8017F41C(a0)
 void *a0;
@@ -3790,7 +3790,38 @@ void func_8017F62C(void *arg0) {
 }
 
 
-INCLUDE_ASM("asm/ov_SC03_125/nonmatchings/ov_SC03_125_jr_8017D604", func_8017F68C);
+extern s32 func_8012BD14(s32 a0);
+extern s32 func_80178BF8();
+extern void func_80172710(void);
+
+s32 func_8017F68C(a0)
+void *a0;
+{
+    s32 ptr;
+    u16 st;
+
+    ptr = *(s32 *)((s32)a0 + 0x64);
+    st = *(u16 *)((s32)ptr + 0x2);
+    if (st != 2) {
+        return 0;
+    }
+
+    if (func_8012BD14((s32)a0) >= 0x4000) {
+        return 0;
+    }
+
+    {
+        s32 p;
+        u16 st2;
+        p = *(s32 *)((s32)a0 + 0x64);
+        st2 = *(u16 *)((s32)p + 0x2);
+        st2++;
+        *(u16 *)((s32)p + 0x2) = st2;
+    }
+    func_80178BF8();
+    return (s32)func_80172710;
+}
+
 
 
 /* func_8017F700 — guarded dispatch: ask func_801819DC(9, 0x12); if it answers
diff --git a/src/ov_SC04_020/ov_SC04_020_jr_8017D604.c b/src/ov_SC04_020/ov_SC04_020_jr_8017D604.c
index 0b33cc270..599384c5e 100644
--- a/src/ov_SC04_020/ov_SC04_020_jr_8017D604.c
+++ b/src/ov_SC04_020/ov_SC04_020_jr_8017D604.c
@@ -4321,7 +4321,7 @@ void func_8018067C(void *arg0) {
 
 
 extern void func_8012CAE4(void *a0);
-extern void func_80180978(void);
+extern s32 func_80180978();
 
 void func_80180708(void *a0) {
 
@@ -4424,7 +4424,38 @@ void func_80180918(void *arg0) {
 }
 
 
-INCLUDE_ASM("asm/ov_SC04_020/nonmatchings/ov_SC04_020_jr_8017D604", func_80180978);
+extern s32 func_8012BD14(s32 a0);
+extern s32 func_80178BF8();
+extern void func_80172710(void);
+
+s32 func_80180978(a0)
+void *a0;
+{
+    s32 ptr;
+    u16 st;
+
+    ptr = *(s32 *)((s32)a0 + 0x64);
+    st = *(u16 *)((s32)ptr + 0x2);
+    if (st != 2) {
+        return 0;
+    }
+
+    if (func_8012BD14((s32)a0) >= 0x4000) {
+        return 0;
+    }
+
+    {
+        s32 p;
+        u16 st2;
+        p = *(s32 *)((s32)a0 + 0x64);
+        st2 = *(u16 *)((s32)p + 0x2);
+        st2++;
+        *(u16 *)((s32)p + 0x2) = st2;
+    }
+    func_80178BF8();
+    return (s32)func_80172710;
+}
+
 
 
 /* func_801809EC — guarded dispatch: ask func_80181388(9, 0x12); if it answers
diff --git a/src/ov_SC06_018/ov_SC06_018_jr_8017C24C.c b/src/ov_SC06_018/ov_SC06_018_jr_8017C24C.c
index 2897a918e..7589fdc7f 100644
--- a/src/ov_SC06_018/ov_SC06_018_jr_8017C24C.c
+++ b/src/ov_SC06_018/ov_SC06_018_jr_8017C24C.c
@@ -5016,7 +5016,42 @@ extern void func_8017EB8C(s32 arg0);
     }
 
 
-INCLUDE_ASM("asm/ov_SC06_018/nonmatchings/ov_SC06_018_jr_8017C24C", func_8017FD80);
+#include "common.h"
+
+/* func_8017FD80 (ov_SC06_018_jr_8017C24C) — card twin ov_SC06_008:func_8017FF74 (banked),
+ * mirrored spelling: block-scope externs, direct BEE8 test, bare & 0x2000, cast idiom.
+ * Tail callee is func_8017EB8C in THIS binary (twin's func_8017ED80 == same source fn,
+ * cf. this TU's aF8017ED80 __asm__("func_8017EB8C") alias); kept (s32)-proto for
+ * compatibility with this TU's earlier decls.
+ */
+
+void func_8017FD80(s32 a0)
+{
+    extern void func_801319E0(s32 a0);
+    extern s32  func_8012BEE8(s32 a0);
+    extern void func_8012CBF4(s32 a0);
+    extern void func_80131C78(s32 a0);
+    extern void func_80131E00(int a0, int a1);
+    extern void func_8017EB8C(s32 a0);
+    s16 field_a;
+    s32 result;
+
+    field_a = *(s16 *)(a0 + 0xA);
+    if (field_a >= 0x10) {
+        func_801319E0(a0);
+    } else {
+        if (func_8012BEE8(a0) != 0) {
+            func_80131E00(a0, 6);
+        } else {
+            result = ((s32 (*)(s32))func_8012CBF4)(a0);
+            if (result & 0x2000) {
+                func_80131C78(a0);
+            }
+            ((void (*)(s32))func_8017EB8C)(a0);
+        }
+    }
+}
+
 
 void func_8017FE0C(s32 a0) {