diff --git a/src/boards/518.c b/src/boards/518.c
index 369c48b..9a8944c 100644
--- a/src/boards/518.c
+++ b/src/boards/518.c
@@ -91,5 +91,6 @@ void Mapper518_Init (CartInfo *info) {
 	info->Reset = reset;
 	GameStateRestore = restore;
 	PPU_hook = trapPPUAddressChange;
+	AddExState(reg, 2, 0, "REGS");
 	AddExState(&chr, 1, 0, "CHRB");
 }
diff --git a/src/boards/fifo.c b/src/boards/fifo.c
index 542671c..e66419a 100644
--- a/src/boards/fifo.c
+++ b/src/boards/fifo.c
@@ -1,3 +1,23 @@
+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2025 NewRisingSun
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
 #include "mapinc.h"
 #include <stdio.h>
 #include <stdlib.h>
@@ -37,7 +57,7 @@ void FIFO_init (FIFO *fifo, size_t newCapacity) {
 
 void FIFO_close (FIFO *fifo) {
 	if (fifo->data) {
-		free(fifo->data);
+		FCEU_gfree(fifo->data);
 		fifo->data = NULL;
 	}
 }
diff --git a/src/boards/msm6585.c b/src/boards/msm6585.c
index bf1a702..0d3880d 100644
--- a/src/boards/msm6585.c
+++ b/src/boards/msm6585.c
@@ -1,3 +1,23 @@
+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2025 NewRisingSun
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
 #include "mapinc.h"
 #include "msm6585.h"