diff --git a/src/file.c b/src/file.c
index fbd01a3..1e397c3 100644
--- a/src/file.c
+++ b/src/file.c
@@ -6,11 +6,7 @@
 #include <time.h>
 #include <unistd.h>
 #include "main.h"
-
-typedef struct {
-	int year, month, day;
-	int minute, hour;
-} metadata;
+#include "file.h"
 
 void tmFileDialog(bool save) {
 	int x;
diff --git a/src/file.h b/src/file.h
new file mode 100644
index 0000000..9225cb4
--- /dev/null
+++ b/src/file.h
@@ -0,0 +1,19 @@
+/* ToneMatrix - file.h
+ * Copyright (c) 2012 Tanner Babcock */
+#ifndef FILE_H
+#define FILE_H
+
+#define bool char
+#define MAX_SAVE_SLOTS 10
+
+typedef struct {
+	int year, month, day;
+	int minute, hour;
+} metadata;
+
+void				tmFileDialog(bool save);
+bool				tmDoesFileExist(const char *path);
+void				tmRead(int slot);
+void				tmWrite(int slot);
+
+#endif
diff --git a/src/main.c b/src/main.c
index 19321db..5a34074 100644
--- a/src/main.c
+++ b/src/main.c
@@ -12,7 +12,7 @@ PSP_HEAP_SIZE_KB(2048);
 
 void tmMainLoop(void) {
 	int x = 0, y = 0, q, m;
-	int tmpcurrent = current;
+	unsigned char tmpcurrent = current;
 	clock_t start, cu;
 	start = sceKernelLibcClock();
 	oslClearScreen(RGBA(0, 0, 0, 255));
diff --git a/src/main.h b/src/main.h
index ce9cac9..ad57a57 100644
--- a/src/main.h
+++ b/src/main.h
@@ -27,8 +27,7 @@ enum {
 	MAX_X = 16,
 	MAX_Y = 8,
 	MAX_BPM = 250,
-	MIN_BPM = 60,
-	MAX_SAVE_SLOTS = 10
+	MIN_BPM = 60
 };
 
 typedef struct {
@@ -51,12 +50,6 @@ OSL_IMAGE			*select;
 int					tmGetColor(char gridval, int x, int y);
 void 				tmDrawGrid(void);
 
-// file.c
-void				tmFileDialog(bool save);
-bool				tmDoesFileExist(const char *path);
-void				tmRead(int slot);
-void				tmWrite(int slot);
-
 // grid.c
 void				tmClear(tmGrid *g);
 bool				tmIsGridEmpty(tmGrid *g);