The first commit

src/MM/code_1AD0.c

@@ -0,0 +1,34 @@
+//!!!DONE
+#include <ultra64.h>
+#include "functions.h"
+#include "variables.h"
+
+u8 D_803899C0[] = {0x00, 0x0C, 0x74, 0x0C, 0xCD, 0x24, 0x9C, 0xB3, 0x00, 0x00, 0xD4, 0x4F};
+
+void func_802D1724(void);
+
+void func_80387EC0(void) {
+    u32 *temp_v0;
+    u32 temp_a0;
+
+    temp_v0 = (u32* )func_802D1724;
+    if (getGameMode() != 7) {
+        temp_a0 = (temp_v0[2] & 0x03FFFFFF)*4; //get offset
+        temp_a0 += (u32)&temp_v0[3] & 0xF0000000; //get region
+        ((u32 *)temp_a0)[0] = 0x03E00008; //jr $ra
+        ((u32 *)temp_a0)[1] = 0x24020002; //addiu $v0, $zero, 0x2
+        
+        osWritebackDCache((void *)temp_a0, 8);
+        osInvalICache((void *)temp_a0, 8);
+    }
+}
+
+void func_80387F44(void) {
+    s32 sp1C;
+
+    osPiReadIo(0x578, (u32 *)&sp1C);
+    sp1C = sp1C & (sp1C ^ 0xFFFF0000);
+    if (sp1C != 0x8965){
+        func_80387EC0();
+    }
+}