feat(decomp): main lane m74ab — 8 banked

One clean whole-EXE rebuild verified the batch (gate_main), and main re-checked
BYTE-IDENTICAL against config/check.us.sha before anything was credited.

  func_800112C8
  func_80011998
  func_80011CFC
  func_800120DC
  func_80012A60
  func_80012F74
  func_8001534C
  func_8005E188

src/800.c

@@ -588,7 +588,15 @@ void func_800129CC(s16 *s0, s16 *s1)
     }
 }
 
-INCLUDE_ASM("asm/nonmatchings/800", func_80012A60);
+extern s32 func_80012AB0(s32 a0, s32 a1);
+
+s32 func_80012A60(s16 a0, s16 a1) {
+    s32 w = func_80012AB0(a0, a1);
+    if ((s16)w > 0x7FF) {
+        w = 0xFFF - w;
+    }
+    return (s16)w;
+}
 
 s32 func_80012AB0(s32 arg0, s32 arg1) {
     return (arg0 - arg1) & 0xFFF;
@@ -639,7 +647,12 @@ INCLUDE_ASM("asm/nonmatchings/800", func_80012E0C);
 
 INCLUDE_ASM("asm/nonmatchings/800", func_80012E6C);
 
-INCLUDE_ASM("asm/nonmatchings/800", func_80012F74);
+extern s32 func_80012FC8(s32 a0, s32 a1, s32 a2, s32 a3);
+
+s32 func_80012F74(s32 x, s32 y, s32 z, s32 w)
+{
+    return (s16)(x + func_80012FC8((s16)x, (s16)y, (s16)z, (s16)w));
+}
 
 INCLUDE_ASM("asm/nonmatchings/800", func_80012FC8);
 
@@ -1900,7 +1913,16 @@ void func_80015310(void) {
     }
 }
 
-INCLUDE_ASM("asm/nonmatchings/800", func_8001534C);
+extern u8 D_800AF630[];
+
+void func_8001534C(s32 idx, s32 a1, s16 x, s16 y, u8 arg4, u8 arg5) {
+    u8 *p;
+    s32 off;
+
+    p = D_800AF630;
+    off = (s16)idx * 16 + 0x9DA8;
+    func_800153A4(p + off, a1, x, y, arg4, arg5);
+}
 
 
 void func_800153A4(void *a0, s32 a1, s16 a2, s16 a3, u8 arg4, u8 arg5) {

src/800c3.c

@@ -723,7 +723,10 @@ INCLUDE_ASM("asm/nonmatchings/800c3", SysEnqIntRP);
 
 INCLUDE_ASM("asm/nonmatchings/800c3", SysDeqIntRP);
 
-INCLUDE_ASM("asm/nonmatchings/800c3", func_8005E188);
+void func_8005E188(s32 arg0, s32 arg1, s8 arg2) {
+    *(s32*)(arg0 + 0x28) = arg1;
+    *(u8*)(arg0 + 0x34) = arg2;
+}
 
 void func_8005E194(void *arg0, u8 arg1, u32 arg2, u8 arg3) {
     *(u8 *)((u8 *)arg0 + 0x36) = arg1;

src/boot.c

@@ -471,7 +471,16 @@ void func_8001125C(void) {
 void func_800112A8(void) {
 }
 
-INCLUDE_ASM("asm/nonmatchings/boot", func_800112C8);
+extern int CdReadRequest(void *dst, void *src, int arg2, int arg3);
+extern void func_80011778(void);
+extern u8 D_800AE870;
+extern void *loadDestPtrTable;
+
+void func_800112C8(void) {
+    if (CdReadRequest(&D_800AE870, loadDestPtrTable, 0, 0) != 0) {
+        func_80011778();
+    }
+}
 
 extern u8 D_800AF630[];
 extern void func_800CEDFC(void);
@@ -543,7 +552,13 @@ void func_80011928(u16 arg0) {
     *(u16 *)(p + 0xA3BC) = 0;
 }
 
-INCLUDE_ASM("asm/nonmatchings/boot", func_80011998);
+extern u8 D_800AF630[];
+
+void func_80011998(void) {
+    register u8 *p = D_800AF630;
+    (*(u16 *)(p + 0xA3BA))++;
+    *(u16 *)(p + 0xA3BC) = 0;
+}
 
 extern u8 D_800AF630[];
 
@@ -615,7 +630,14 @@ void func_80011C8C(u16 arg0) {
     *(u16 *)(p + 0xA3CE) = 0;
 }
 
-INCLUDE_ASM("asm/nonmatchings/boot", func_80011CFC);
+extern u8 D_800AF630[];
+
+void func_80011CFC(void) {
+    register u8 *p = D_800AF630;
+
+    (*(u16 *)(p + 0xA3CC))++;
+    *(u16 *)(p + 0xA3CE) = 0;
+}
 
 extern u8 D_800AF630[];
 
@@ -686,6 +708,12 @@ void func_80011EB4(void) {
     }
 }
 
-INCLUDE_ASM("asm/nonmatchings/boot", func_800120DC);
+extern u16 D_80074794;
+extern u16 D_80074798;
+
+void func_800120DC(u16 *arg0, u16 *arg1) {
+    *arg0 = D_80074794;
+    *arg1 = D_80074798;
+}
 
 INCLUDE_ASM("asm/nonmatchings/boot", func_8001212C);