diff --git a/src/field_effect.c b/src/field_effect.c
new file mode 100644
index 0000000000..628dc776a1
--- /dev/null
+++ b/src/field_effect.c
@@ -0,0 +1,15 @@
+
+// Includes
+#include "global.h"
+
+// Static type declarations
+
+// Static RAM declarations
+
+IWRAM_DATA u8 gUnknown_03000F58[32];
+
+// Static ROM declarations
+
+// .rodata
+
+// .text
diff --git a/src/field_screen.c b/src/field_screen.c
new file mode 100644
index 0000000000..2d33d237ff
--- /dev/null
+++ b/src/field_screen.c
@@ -0,0 +1,15 @@
+
+// Includes
+#include "global.h"
+
+// Static type declarations
+
+// Static RAM declarations
+IWRAM_DATA u8 *gUnknown_03000F50;
+IWRAM_DATA u32 filler_03000f54;
+
+// Static ROM declarations
+
+// .rodata
+
+// .text
diff --git a/src/fldeff_cut.c b/src/fldeff_cut.c
new file mode 100644
index 0000000000..9929dd6f96
--- /dev/null
+++ b/src/fldeff_cut.c
@@ -0,0 +1,19 @@
+
+// Includes
+#include "global.h"
+
+// Static type declarations
+
+// Static RAM declarations
+
+IWRAM_DATA u8 gUnknown_03001100;
+IWRAM_DATA u8 gUnknown_03001101;
+IWRAM_DATA u8 gUnknown_03001102;
+IWRAM_DATA u32 fldeff_cut_unused_03001104;
+IWRAM_DATA u8 gUnknown_03001108[25];
+
+// Static ROM declarations
+
+// .rodata
+
+// .text
diff --git a/src/pokemon_storage_system.c b/src/pokemon_storage_system.c
new file mode 100644
index 0000000000..3e409244c4
--- /dev/null
+++ b/src/pokemon_storage_system.c
@@ -0,0 +1,15 @@
+
+// Includes
+#include "global.h"
+
+// Static type declarations
+
+// Static RAM declarations
+
+IWRAM_DATA u8 gUnknown_03000F78[0x188];
+
+// Static ROM declarations
+
+// .rodata
+
+// .text
diff --git a/src/script_menu.c b/src/script_menu.c
new file mode 100644
index 0000000000..04f1e82b7b
--- /dev/null
+++ b/src/script_menu.c
@@ -0,0 +1,16 @@
+
+// Includes
+#include "global.h"
+
+// Static type declarations
+
+// Static RAM declarations
+
+IWRAM_DATA u8 gUnknown_03001124[6];
+IWRAM_DATA u32 filler_0300112c;
+
+// Static ROM declarations
+
+// .rodata
+
+// .text
diff --git a/sym_bss.txt b/sym_bss.txt
index 3416b67df5..a90378a4ff 100644
--- a/sym_bss.txt
+++ b/sym_bss.txt
@@ -1,4 +1,3 @@
-gUnknown_03000000: @ 3000000
 	.include "src/main.o"
 	.include "src/malloc.o"
 	.include "src/dma3_manager.o"
@@ -20,30 +19,11 @@ gUnknown_03000000: @ 3000000
     .include "src/tileset_anims.o"
     .include "src/palette.o"
     .include "src/sound.o"
-
-gUnknown_03000F50: @ 3000F50
-	.space 0x8
-
-gUnknown_03000F58: @ 3000F58
-	.space 0x20
-
-gUnknown_03000F78: @ 3000F78
-	.space 0x188
-
-gUnknown_03001100: @ 3001100
-	.space 0x1
-
-gUnknown_03001101: @ 3001101
-	.space 0x1
-
-gUnknown_03001102: @ 3001102
-	.space 0x6
-
-gUnknown_03001108: @ 3001108
-	.space 0x1C
-
-gUnknown_03001124: @ 3001124
-	.space 0xC
+    .include "src/field_screen.o"
+    .include "src/field_effect.o"
+    .include "src/pokemon_storage_system.o"
+    .include "src/fldeff_cut.o"
+    .include "src/script_menu.o"
 
 gUnknown_03001130: @ 3001130
 	.space 0x4