diff --git a/arm9/source/game/bdri.c b/arm9/source/game/bdri.c
index 3de4649..35613d8 100644
--- a/arm9/source/game/bdri.c
+++ b/arm9/source/game/bdri.c
@@ -7,6 +7,75 @@
 #define getfatindex(uv) ((uv) & 0x7FFFFFFFUL)
 #define buildfatuv(index, flag) ((index) | ((flag) ? 0x80000000UL : 0))
 
+typedef struct {
+    char magic[4]; // "BDRI"
+    u32 version; // == 0x30000
+    u64 info_offset; // == 0x20
+    u64 image_size; // in blocks; and including the pre-header
+    u32 image_block_size;
+    u8 padding1[4];
+    u8 unknown[4];
+    u32 data_block_size;
+    u64 dht_offset;
+    u32 dht_bucket_count;
+    u8 padding2[4];
+    u64 fht_offset;
+    u32 fht_bucket_count;
+    u8 padding3[4];
+    u64 fat_offset;
+    u32 fat_entry_count; // exculdes 0th entry
+    u8 padding4[4];
+    u64 data_offset;
+    u32 data_block_count; // == fat_entry_count
+    u8 padding5[4];
+    u32 det_start_block;
+    u32 det_block_count;
+    u32 max_dir_count;
+    u8 padding6[4];
+    u32 fet_start_block;
+    u32 fet_block_count;
+    u32 max_file_count;
+    u8 padding7[4];
+} __attribute__((packed)) BDRIFsHeader;
+
+typedef struct {
+    char magic[8]; // varies based on media type and importdb vs titledb
+    u8 reserved[0x78];
+    BDRIFsHeader fs_header;
+} __attribute__((packed)) TitleDBPreHeader;
+
+typedef struct {
+    char magic[4]; // "TICK"
+    u32 unknown1; // usually (assuming always) == 1
+    u32 unknown2;
+    u32 unknown3;
+    BDRIFsHeader fs_header;
+} __attribute__((packed)) TickDBPreHeader;
+
+typedef struct {
+    u32 parent_index;
+    u8 title_id[8];
+    u32 next_sibling_index;
+    u8 padding1[4];
+    u32 start_block_index;
+    u64 size; // in bytes
+    u8 padding2[8];
+    u32 hash_bucket_next_index;
+} __attribute__((packed)) TdbFileEntry;
+
+typedef struct {
+    u32 total_entry_count;
+    u32 max_entry_count; // == max_file_count + 1
+    u8 padding[32];
+    u32 next_dummy_index;
+} __attribute__((packed)) DummyFileEntry;
+
+typedef struct {
+    u32 unknown; // usually (assuming always) == 1
+    u32 ticket_size; // == 0x350 == sizeof(Ticket)
+    Ticket ticket;
+} __attribute__((packed, aligned(4))) TicketEntry;
+
 static FIL* bdrifp;
 
 static FRESULT BDRIRead(UINT ofs, UINT btr, void* buf) {
diff --git a/arm9/source/game/bdri.h b/arm9/source/game/bdri.h
index 28d68c6..4eb2d86 100644
--- a/arm9/source/game/bdri.h
+++ b/arm9/source/game/bdri.h
@@ -9,69 +9,6 @@
 // https://www.3dbrew.org/wiki/Inner_FAT
 // https://www.3dbrew.org/wiki/Title_Database
 
-typedef struct {
-    char magic[4]; // "BDRI"
-    u32 version; // == 0x30000
-    u64 info_offset; // == 0x20
-    u64 image_size; // in blocks; and including the pre-header
-    u32 image_block_size;
-    u8 padding1[4];
-    u8 unknown[4];
-    u32 data_block_size;
-    u64 dht_offset;
-    u32 dht_bucket_count;
-    u8 padding2[4];
-    u64 fht_offset;
-    u32 fht_bucket_count;
-    u8 padding3[4];
-    u64 fat_offset;
-    u32 fat_entry_count; // exculdes 0th entry
-    u8 padding4[4];
-    u64 data_offset;
-    u32 data_block_count; // == fat_entry_count
-    u8 padding5[4];
-    u32 det_start_block;
-    u32 det_block_count;
-    u32 max_dir_count;
-    u8 padding6[4];
-    u32 fet_start_block;
-    u32 fet_block_count;
-    u32 max_file_count;
-    u8 padding7[4];
-} __attribute__((packed)) BDRIFsHeader;
-
-typedef struct {
-    char magic[8]; // varies based on media type and importdb vs titledb
-    u8 reserved[0x78];
-    BDRIFsHeader fs_header;
-} __attribute__((packed)) TitleDBPreHeader;
-
-typedef struct {
-    char magic[4]; // "TICK"
-    u32 unknown1; // usually (assuming always) == 1
-    u32 unknown2;
-    u32 unknown3;
-    BDRIFsHeader fs_header;
-} __attribute__((packed)) TickDBPreHeader;
-
-typedef struct {
-    u32 parent_index;
-    u8 title_id[8];
-    u32 next_sibling_index;
-    u8 padding1[4];
-    u32 start_block_index;
-    u64 size; // in bytes
-    u8 padding2[8];
-    u32 hash_bucket_next_index;
-} __attribute__((packed)) TdbFileEntry;
-
-typedef struct {
-    u32 total_entry_count;
-    u32 max_entry_count; // == max_file_count + 1
-    u8 padding[32];
-    u32 next_dummy_index;
-} __attribute__((packed)) DummyFileEntry;
-
 typedef struct {
     u64 title_size; // in bytes
     u32 title_type; // usually == 0x40
@@ -89,12 +26,6 @@ typedef struct {
     u8 reserved3[44];
 } __attribute__((packed)) TitleInfoEntry;
 
-typedef struct {
-    u32 unknown; // usually (assuming always) == 1
-    u32 ticket_size; // commonly == 0x350
-    Ticket ticket;
-} __attribute__((packed, aligned(4))) TicketEntry;
-
 u32 GetNumTitleInfoEntries(const char* path);
 u32 GetNumTickets(const char* path);
 u32 ListTitleInfoEntryTitleIDs(const char* path, u8* title_ids, u32 max_title_ids);
@@ -104,4 +35,4 @@ u32 ReadTicketFromDB(const char* path, const u8* title_id, Ticket** ticket);
 u32 RemoveTitleInfoEntryFromDB(const char* path, const u8* title_id);
 u32 RemoveTicketFromDB(const char* path, const u8* title_id);
 u32 AddTitleInfoEntryToDB(const char* path, const u8* title_id, const TitleInfoEntry* tie, bool replace);
-u32 AddTicketToDB(const char* path, const u8* title_id, const Ticket* ticket, bool replace);
\ No newline at end of file
+u32 AddTicketToDB(const char* path, const u8* title_id, const Ticket* ticket, bool replace);
diff --git a/arm9/source/game/disadiff.c b/arm9/source/game/disadiff.c
index ce0a104..a31b6a0 100644
--- a/arm9/source/game/disadiff.c
+++ b/arm9/source/game/disadiff.c
@@ -5,6 +5,98 @@
 
 #define GET_DPFS_BIT(b, lvl) (((((u32*) (void*) lvl)[b >> 5]) >> (31 - (b % 32))) & 1)
 
+typedef struct {
+    u8  magic[8]; // "DISA" 0x00040000
+    u32 n_partitions;
+    u8  padding0[4];
+    u64 offset_table1;
+    u64 offset_table0;
+    u64 size_table;
+    u64 offset_descA;
+    u64 size_descA;
+    u64 offset_descB;
+    u64 size_descB;
+    u64 offset_partitionA;
+    u64 size_partitionA;
+    u64 offset_partitionB;
+    u64 size_partitionB;
+    u8  active_table; // 0 or 1
+    u8  padding1[3];
+    u8  hash_table[0x20]; // for the active table
+    u8  unused[0x74];
+} PACKED_STRUCT DisaHeader;
+
+typedef struct {
+    u8  magic[8]; // "DIFF" 0x00030000
+    u64 offset_table1; // also desc offset
+    u64 offset_table0; // also desc offset
+    u64 size_table; // includes desc size
+    u64 offset_partition;
+    u64 size_partition;
+    u32 active_table; // 0 or 1
+    u8  hash_table[0x20]; // for the active table
+    u64 unique_id; // see: http://3dbrew.org/wiki/Extdata
+    u8  unused[0xA4];
+} PACKED_STRUCT DiffHeader;
+
+typedef struct {
+    u8  magic[8]; // "DIFI" 0x00010000
+    u64 offset_ivfc; // always 0x44
+    u64 size_ivfc; // always 0x78
+    u64 offset_dpfs; // always 0xBC
+    u64 size_dpfs; // always 0x50
+    u64 offset_hash; // always 0x10C
+    u64 size_hash; // may include padding
+    u8  ivfc_use_extlvl4;
+    u8  dpfs_lvl1_selector;
+    u8  padding[2];
+    u64 ivfc_offset_extlvl4;
+} PACKED_STRUCT DifiHeader;
+
+typedef struct {
+    u8  magic[8]; // "IVFC" 0x00020000
+    u64 size_hash; // same as the one in DIFI, may include padding
+    u64 offset_lvl1;
+    u64 size_lvl1;
+    u32 log_lvl1;
+    u8  padding0[4];
+    u64 offset_lvl2;
+    u64 size_lvl2;
+    u32 log_lvl2;
+    u8  padding1[4];
+    u64 offset_lvl3;
+    u64 size_lvl3;
+    u32 log_lvl3;
+    u8  padding2[4];
+    u64 offset_lvl4;
+    u64 size_lvl4;
+    u64 log_lvl4;
+    u64 size_ivfc; // 0x78
+} PACKED_STRUCT IvfcDescriptor;
+
+typedef struct {
+    u8  magic[8]; // "DPFS" 0x00010000
+    u64 offset_lvl1;
+    u64 size_lvl1;
+    u32 log_lvl1;
+    u8  padding0[4];
+    u64 offset_lvl2;
+    u64 size_lvl2;
+    u32 log_lvl2;
+    u8  padding1[4];
+    u64 offset_lvl3;
+    u64 size_lvl3;
+    u32 log_lvl3;
+    u8  padding2[4];
+} PACKED_STRUCT DpfsDescriptor;
+
+typedef struct {
+    DifiHeader difi;
+    IvfcDescriptor ivfc;
+    DpfsDescriptor dpfs;
+    u8 hash[0x20];
+    u8 padding[4]; // all zeroes when encrypted
+} PACKED_STRUCT DifiStruct;
 
 static FIL ddfile;
 static FIL* ddfp = NULL;
diff --git a/arm9/source/game/disadiff.h b/arm9/source/game/disadiff.h
index 5dd25bf..33b0efb 100644
--- a/arm9/source/game/disadiff.h
+++ b/arm9/source/game/disadiff.h
@@ -14,99 +14,6 @@
 #define DIFI_MAGIC  'D', 'I', 'F', 'I', 0x00, 0x00, 0x01, 0x00
 
 
-typedef struct {
-    u8  magic[8]; // "DISA" 0x00040000
-    u32 n_partitions;
-    u8  padding0[4];
-    u64 offset_table1;
-    u64 offset_table0;
-    u64 size_table;
-    u64 offset_descA;
-    u64 size_descA;
-    u64 offset_descB;
-    u64 size_descB;
-    u64 offset_partitionA;
-    u64 size_partitionA;
-    u64 offset_partitionB;
-    u64 size_partitionB;
-    u8  active_table; // 0 or 1
-    u8  padding1[3];
-    u8  hash_table[0x20]; // for the active table
-    u8  unused[0x74];
-} PACKED_STRUCT DisaHeader;
-
-typedef struct {
-    u8  magic[8]; // "DIFF" 0x00030000
-    u64 offset_table1; // also desc offset
-    u64 offset_table0; // also desc offset
-    u64 size_table; // includes desc size
-    u64 offset_partition;
-    u64 size_partition;
-    u32 active_table; // 0 or 1
-    u8  hash_table[0x20]; // for the active table
-    u64 unique_id; // see: http://3dbrew.org/wiki/Extdata
-    u8  unused[0xA4];
-} PACKED_STRUCT DiffHeader;
-
-typedef struct {
-    u8  magic[8]; // "DIFI" 0x00010000
-    u64 offset_ivfc; // always 0x44
-    u64 size_ivfc; // always 0x78
-    u64 offset_dpfs; // always 0xBC
-    u64 size_dpfs; // always 0x50
-    u64 offset_hash; // always 0x10C
-    u64 size_hash; // may include padding
-    u8  ivfc_use_extlvl4;
-    u8  dpfs_lvl1_selector;
-    u8  padding[2];
-    u64 ivfc_offset_extlvl4;
-} PACKED_STRUCT DifiHeader;
-
-typedef struct {
-    u8  magic[8]; // "IVFC" 0x00020000
-    u64 size_hash; // same as the one in DIFI, may include padding
-    u64 offset_lvl1;
-    u64 size_lvl1;
-    u32 log_lvl1;
-    u8  padding0[4];
-    u64 offset_lvl2;
-    u64 size_lvl2;
-    u32 log_lvl2;
-    u8  padding1[4];
-    u64 offset_lvl3;
-    u64 size_lvl3;
-    u32 log_lvl3;
-    u8  padding2[4];
-    u64 offset_lvl4;
-    u64 size_lvl4;
-    u64 log_lvl4;
-    u64 size_ivfc; // 0x78
-} PACKED_STRUCT IvfcDescriptor;
-
-typedef struct {
-    u8  magic[8]; // "DPFS" 0x00010000
-    u64 offset_lvl1;
-    u64 size_lvl1;
-    u32 log_lvl1;
-    u8  padding0[4];
-    u64 offset_lvl2;
-    u64 size_lvl2;
-    u32 log_lvl2;
-    u8  padding1[4];
-    u64 offset_lvl3;
-    u64 size_lvl3;
-    u32 log_lvl3;
-    u8  padding2[4];
-} PACKED_STRUCT DpfsDescriptor;
-
-typedef struct {
-    DifiHeader difi;
-    IvfcDescriptor ivfc;
-    DpfsDescriptor dpfs;
-    u8 hash[0x20];
-    u8 padding[4]; // all zeroes when encrypted
-} PACKED_STRUCT DifiStruct;
-
 // condensed info to enable reading/writing IVFC lvl4
 typedef struct {
     u32 offset_table;