begin save.s decomp, thanks revo!

include/save.h

@@ -0,0 +1,92 @@
+#ifndef GUARD_SAVE_H
+#define GUARD_SAVE_H
+
+struct SaveSectionLocation
+{
+    void *data;
+    u16 size;
+};
+
+struct SaveSection
+{
+    u8 data[0xFF4];
+    u16 id;
+    u16 checksum;
+    u32 security;
+    u32 counter;
+}; // size is 0x1000
+
+// headless save section?
+struct UnkSaveSection
+{
+    u8 data[0xFF4];
+    u32 security;
+}; // size is 0xFF8
+
+struct SaveSectionOffsets
+{
+	u16 toAdd;
+	u16 size;
+};
+
+// Emerald changes this definition to be the sectors per slot.
+#define NUM_SECTORS_PER_SLOT 16 // move to save.h
+
+#define UNKNOWN_CHECK_VALUE 0x8012025
+
+// SetDamagedSectorBits states
+enum
+{
+    ENABLE,
+    DISABLE,
+    CHECK // unused
+};
+
+// Do save types
+enum
+{
+    NORMAL_SAVE,
+    LINK_SAVE,
+    //EREADER_SAVE, // depreciated in Emerald
+	LINK2_SAVE, // unknown 2nd link save
+    HOF_SAVE,
+    DIFFERENT_FILE_SAVE,
+    HOF_DELETE_SAVE // unused
+};
+
+void ClearSaveData(void);
+void ResetSaveCounters(void);
+//bool32 ManipulateSectorBits(u8 op, u8 bit);
+//u8 save_write_to_flash(u16 a1, const struct SaveSectionLocation *a2);
+u8 HandleWriteSector(u16, const struct SaveSectionLocation *);
+//u8 HandleWriteSectorNBytes(u8 sector, u8 *data, u16 size);
+u8 TryWriteSector(u8, u8 *);
+//u32 RestoreSaveBackupVarsAndIncrement(const struct SaveSectionLocation *location);
+//u32 RestoreSaveBackupVars(const struct SaveSectionLocation *location);
+//u8 sub_812550C(u16 a1, const struct SaveSectionLocation *location);
+u8 sub_8152A34(u16 a1, const struct SaveSectionLocation *location);
+u8 ClearSaveData_2(u16, const struct SaveSectionLocation *location);
+//u8 sub_8125758(u16 a1, const struct SaveSectionLocation *location);
+//u8 sub_81257F0(u16 a1, const struct SaveSectionLocation *location);
+//u8 sub_812587C(u16 a1, const struct SaveSectionLocation *location);
+u8 sub_8152E10(u16, const struct SaveSectionLocation *location);
+u8 GetSaveValidStatus(const struct SaveSectionLocation *location);
+//u8 sub_8125B88(u8 a1, u8 *data, u16 size);
+u8 DoReadFlashWholeSection(u8, struct SaveSection *);
+u16 CalculateChecksum(void *, u16);
+//u8 HandleSavingData(u8 saveType);
+//u8 TrySavingData(u8 saveType);
+//u8 sub_8125D80(void);
+//bool8 sub_8125DA8(void);
+//u8 sub_8125DDC(void);
+//u8 sub_8125E04(void);
+//u8 sub_8125E2C(void);
+//bool8 sub_8125E6C(void);
+//u8 sub_8125EC8(u8 a1);
+//bool8 unref_sub_8125F4C(struct UnkSaveSection *a1);
+//u8 unref_sub_8125FA0(void);
+//u8 unref_sub_8125FF0(u8 *data, u16 size);
+//u8 unref_sub_8126068(u8 sector, u8 *data, u32 size);
+//u8 unref_sub_8126080(u8 sector, u8 *data);
+
+#endif