1 files changed, 66 insertions, 1 deletions
diff --git a/src/save.c b/src/save.c
index 5d39bfe..037938a 100644
--- a/src/save.c
+++ b/src/save.c
@@ -2,9 +2,14 @@
 
 extern u32 gUnknown_203B17C;
 extern u32 gUnknown_203B180;
-extern u32 *gUnknown_203B184;
+extern vu32 gUnknown_203B184;
 extern u32 gUnknown_202DE28;
 
+extern s32 ReadFlashData(s32 sector, u8 *src, s32 size);
+extern s32 WriteFlashData(s32 sector, u8 *src, s32 size);
+extern bool8 sub_800DAB0(u16, u8*, s32);
+extern bool8 sub_800DAB4(u16, u8*, s32);
+extern bool8 sub_800DAB8(void);
 
 u32 sub_8011C1C(void)
 {
@@ -62,3 +67,63 @@ bool8 ValidateChecksum(u8 *in, u32 size)
         return TRUE;
     return FALSE;
 }
+
+void sub_8011CA8(u32 *out, s32 b)
+{
+    gUnknown_203B184; // Needed to match
+    *out += (b + 0xFFF) / 0x1000;
+}
+
+u32 WriteSaveSector(u32 *a, u8 *b, s32 size, u32 d)
+{
+    u32 r6 = *a;
+    u32 num;
+    sub_8011CA8(a, size);
+    CalculateChecksum(b, size);
+    if (!gUnknown_203B184) {
+        num = WriteFlashData(r6, b, size);
+    }
+    else if (sub_800DAB8()) {
+        num = sub_800DAB4(r6, b, size) ? 0 : 3;
+    }
+    else {
+        return 2;
+    }
+    if (num == 4) {
+        return 1;
+    }
+    else if (num) {
+        return 2;
+    }
+    else {
+        return 0;
+    }
+}
+
+u32 ReadSaveSector(u32 *a, u8 *b, s32 size, u32 d)
+{
+    u32 r6 = *a;
+    u32 num;
+    sub_8011CA8(a, size);
+    if (!gUnknown_203B184) {
+        num = ReadFlashData(r6, b, size);
+    }
+    else if (sub_800DAB8()) {
+        if (!sub_800DAB0(r6, b, size)) {
+            num = 1;
+        }
+        else {
+            num = 0;
+        }
+    }
+    else {
+        return 1;
+    }
+    if (num) {
+        return 1;
+    }
+    if (ValidateChecksum(b, size)) {
+        return 2;
+    }
+    return 0;    
+}