Header file for fio (#505)

* just putting this unmatched function here for now

* fio header file.

* Fixed some stuff for the fio header file.

* More fixes for fio header file.

* Final fix for fio header file.

* FINAL final fix.

Co-authored-by: Ponmander <ponderman@DESKTOP-8JAKKAV.localdomain>
Co-authored-by: Alex Bates <hi@imalex.xyz>

src/entity/SaveBlock.c

@@ -1,4 +1,5 @@
 #include "common.h"
+#include "fio.h"
 
 typedef struct struct802E10F4 {
     char unk_0[4];

src/fio.c

@@ -1,17 +1,7 @@
-#include "common.h"
+#include "fio.h"
 
 char magicSaveString[] = "Mario Story 006";
 
-extern s32 logicalSaveInfo[4][2]; // 0x8009BA30
-extern s32 physicalSaveInfo[6][2]; // 0x8009BA50
-extern s32 nextAvailableSavePage; // 0x8009BA80
-extern s32 D_800D95E8[];
-extern s32 D_8009A6B0[];
-
-void fio_serialize_state(void);
-void fio_erase_flash(s32 pageNum);
-void fio_write_flash(s32 pageNum, s32* readBuffer, s32 numBytes);
-
 s32 get_spirits_rescued(void) {
     s32 storyProgress = evt_get_variable(NULL, EVT_STORY_PROGRESS);
     s32 ret = 7;

src/fio.h

@@ -0,0 +1,58 @@
+#ifndef _FIO_H_
+#define _FIO_H_
+
+#include "common.h"
+
+extern char magicSaveString[];
+
+void fio_serialize_state(void);
+
+void fio_erase_flash(s32 pageNum);
+
+void fio_write_flash(s32 pageNum, s32* readBuffer, s32 numBytes);
+
+s32 get_spirits_rescued(void);
+
+s32 fio_calc_header_checksum(void);
+
+s32 fio_validate_header_checksums(void);
+
+s32 fio_has_valid_backup(void);
+
+s32 fio_flush_backups(void);
+
+s32 fio_calc_file_checksum(SaveData* saveData);
+
+s32 fio_validate_file_checksum(SaveData* saveData);
+
+s32 fio_fetch_saved_file_info(void);
+
+s32 fio_load_game(s32 saveSlot);
+
+void fio_save_game(s32 saveSlot);
+
+void fio_erase_game(s32 saveSlot);
+
+//fio_deserialize_state;
+
+void func_8002B608(void);
+
+//fio_init_flash;
+
+//fio_serialize_state;
+
+//fio_read_flash;
+
+//fio_write_flash;
+
+extern s32 logicalSaveInfo[4][2];
+
+extern s32 physicalSaveInfo[6][2];
+
+extern s32 nextAvailableSavePage;
+
+extern s32 D_800D95E8[];
+
+extern s32 D_8009A6B0[];
+
+#endif

src/state_startup.c

@@ -1,5 +1,6 @@
 #include "common.h"
 #include "hud_element.h"
+#include "fio.h"
 #include "sprite.h"
 
 void state_init_startup(void) {