Refactor

src/lib/vga.c

@@ -7,12 +7,16 @@
 static char* cursor_pos = VIDEO_MEM;
 static int cursor_y = 0;
 
-void set_cursor_pos(int row, int col) { cursor_pos = (char*)(VIDEO_MEM + 2*(row*80 + col)); }
+void set_cursor_pos(unsigned int row, unsigned int col) { cursor_pos = (char*)(VIDEO_MEM + 2*(row*80 + col)); }
 
-void println(char* str, int str_len) {
-	for( int i = 0; i < str_len; i++ ) {
+void print(char* str, unsigned int str_len) {
+	for( unsigned int i = 0; i < str_len; i++ ) {
 		set_cursor_pos(i, cursor_y); 	// set cursor pos
 		*cursor_pos = str[i];		// Write char to video memory
 	}
+}
+
+void println(char* str, unsigned int str_len) {
+	print(str, str_len);
 	cursor_y++;				// Increment to next y-pos (newline)
 }