From bad793c73efa6013a8f4febf44aebaf1b42b4579 Mon Sep 17 00:00:00 2001
From: Drew T <50529377+Druthulu@users.noreply.github.com>
Date: Mon, 24 Aug 2026 12:26:58 -0600
Subject: [PATCH] =?UTF-8?q?feat(decomp):=20jtbl=20lane=20=E2=80=94=20func?=
 =?UTF-8?q?=5F801F218C=20banked=20in=20md=5FSC03=5F076=20(88=20ins,=20cove?=
 =?UTF-8?q?red)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

carve→draft→bank through harvest_verify's gate-time jtbl prep (island split §260); whole-binary SHA green.
---
 src/md_SC03_076/md_SC03_076_jr_801F218C.c | 62 ++++++++++++++++++++++-
 1 file changed, 61 insertions(+), 1 deletion(-)

diff --git a/src/md_SC03_076/md_SC03_076_jr_801F218C.c b/src/md_SC03_076/md_SC03_076_jr_801F218C.c
index 0fb7c913e5..e67375edc8 100644
--- a/src/md_SC03_076/md_SC03_076_jr_801F218C.c
+++ b/src/md_SC03_076/md_SC03_076_jr_801F218C.c
@@ -80,7 +80,67 @@ extern void func_8012F14C(s32 a0, s32 a1, s32 a2);
 /* ==== end §8b carried decl layer ==== */
 
 
-INCLUDE_ASM("asm/md_SC03_076/nonmatchings/md_SC03_076_jr_801F218C", func_801F218C);
+
+
+
+
+
+extern s32 D_80126B10;
+extern u8 D_801F35C4[];
+extern u8 D_801F3630[];
+extern u8 D_801F3648[];
+extern s32 func_801789AC(u8 *a0);
+extern void func_80178CBC(u8 *a0, u8 *a1);
+extern s16 func_80188F10(void);
+extern void func_80188F20(s32 a0);
+extern void func_80174438(s32 a0);
+extern void func_801EF6E4(void);
+extern s16 func_801EF70C(void);
+
+void func_801F218C(u8 *a0) {
+    switch (*(u16 *)(a0 + 0x34)) {
+    case 0:
+        switch (func_801789AC(a0)) {
+        case 2:
+            func_80178CBC(a0, D_801F3630);
+            *(u16 *)(a0 + 0x34) = 0;
+            break;
+        case 1:
+            *(u16 *)(a0 + 0x34) = 2;
+            func_80188F20(4);
+            break;
+        case 3:
+            func_80178CBC(a0, D_801F3648);
+            *(u16 *)(a0 + 0x34) = 3;
+            break;
+        }
+        break;
+    case 1:
+        break;
+    case 2:
+        if (func_80188F10() != 0) {
+            func_801EF6E4();
+            *(u16 *)(a0 + 0x34) = 4;
+        } else {
+            func_80178CBC(a0, D_801F35C4);
+            *(u16 *)(a0 + 0x34) = 0;
+        }
+        break;
+    case 3:
+        if (func_801789AC(a0) != 0) {
+            func_80174438(D_80126B10);
+            *(u16 *)(a0 + 0x34) = 1;
+        }
+        break;
+    case 4:
+        if (func_801EF70C() != 0) {
+            *(u16 *)(a0 + 0x34) = 2;
+            func_80188F20(4);
+        }
+        break;
+    }
+}
+