1 files changed, 109 insertions, 0 deletions
diff --git a/src/librfu_rfu.c b/src/librfu_rfu.c
new file mode 100644
index 000000000..cf3fe12ad
--- /dev/null
+++ b/src/librfu_rfu.c
@@ -0,0 +1,109 @@
+#include "global.h"
+#include "main.h"
+
+#include "librfu.h"
+
+struct RfuUnk1
+{
+    u8 unk_0[0x14];
+    u32 unk_14;
+    u32 unk_18;
+    struct RfuIntrStruct unk_1c;
+};
+
+struct RfuUnk2
+{
+    u8 unk_0[0x68];
+    u32 unk_68;
+    u32 unk_6c;
+    u8 unk_70[0x70];
+};
+
+struct RfuUnk3
+{
+    u32 unk_0;
+    u32 unk_4;
+    u8 unk_8[0xD4];
+    u32 unk_dc;
+};
+
+extern u32 *gUnknown_03007890;
+extern u32 *gUnknown_03007894;
+extern struct RfuUnk3* gUnknown_03007898;
+extern struct RfuUnk2* gUnknown_03007880[4];
+extern struct RfuUnk1* gUnknown_03007870[4];
+extern void* sub_82E53F4;
+extern void rfu_STC_clearAPIVariables(void);
+
+// Nonmatching, only register differences
+/*u16 rfu_initializeAPI(u32 *unk0, u16 unk1, IntrFunc *interrupt, bool8 copyInterruptToRam)
+{
+    u16 i;
+    u16 *v13;
+    u16 *v12;
+    u16 num;
+
+    if (((u32)unk0 & 0xF000000) == 0x2000000 && copyInterruptToRam)
+    {
+        return 2;
+    }
+    
+    if ((u32)unk0 & 3)
+        return 2;
+    
+    // Nintendo pls, just use a ternary for once
+    if (copyInterruptToRam)
+    {
+        // An assert/debug print may have existed before, ie
+        // printf("%s %u < %u", "somefile.c:12345", unk1, num)
+        // to push this into r3?
+        num = 0xe64;
+        if (unk1 < num)
+            return 1;
+    }
+
+    if (copyInterruptToRam == FALSE)
+    {
+        num = 0x504; // same as above, this should be r3 not r0
+        if (unk1 < num)
+            return 1;
+    }
+    gUnknown_03007890 = unk0;
+    gUnknown_03007894 = unk0 + (0xB4 / sizeof(u32));
+    gUnknown_03007898 = (struct RfuUnk3*)(unk0 + (0xDC / sizeof(u32)));
+    gUnknown_03007880[0] = (struct RfuUnk2*)(unk0 + (0x1BC / sizeof(u32)));
+    gUnknown_03007870[0] = (struct RfuUnk1*)(unk0 + (0x37C / sizeof(u32)));
+
+    for (i = 1; i < 4; i++, num)
+    {
+        gUnknown_03007880[i] = (struct RfuUnk2*)&gUnknown_03007880[i-1]->unk_70;
+        gUnknown_03007870[i] = (struct RfuUnk1*)&gUnknown_03007870[i-1]->unk_1c;
+    }
+    
+    gUnknown_03007898->unk_dc = (u32)&gUnknown_03007870[3]->unk_1c;
+    STWI_init_all(&gUnknown_03007870[3]->unk_1c, interrupt, copyInterruptToRam);
+    rfu_STC_clearAPIVariables();
+
+    for (i = 0; i < 4; i++)
+    {
+        gUnknown_03007880[i]->unk_68 = 0;
+        gUnknown_03007880[i]->unk_6c = 0;
+        gUnknown_03007870[i]->unk_14 = 0;
+        gUnknown_03007870[i]->unk_18 = 0;
+    }
+
+    // Not matching, register differences
+    v12 = (u16*)((u32)&sub_82E53F4 & ~1);
+    v13 = (u16*)gUnknown_03007898->unk_8;
+        
+    for (i = 47; i != 0xFFFF; i--)
+    {
+        *v13 = *v12;
+        ++v12;
+        ++v13;
+    }
+        
+    gUnknown_03007898->unk_4 = (u32)(&gUnknown_03007898->unk_8[1]);
+        
+    return 0;
+}*/