diff --git a/src/ines.c b/src/ines.c
index 5127c06..615e5ce 100644
--- a/src/ines.c
+++ b/src/ines.c
@@ -47,12 +47,14 @@ uint8 *trainerpoo       = NULL;
 uint8 *ROM              = NULL;
 uint8 *VROM             = NULL;
 uint8 *ExtraNTARAM      = NULL;
+uint8 *MiscROM          = NULL;
 iNES_HEADER head        = {0};
 
 CartInfo iNESCart       = {0};
 
 uint32 ROM_size         = 0;
 uint32 VROM_size        = 0;
+uint32 MiscROM_size;
 
 static int CHRRAMSize   = -1;
 
diff --git a/src/ines.h b/src/ines.h
index ec33660..efea123 100644
--- a/src/ines.h
+++ b/src/ines.h
@@ -40,8 +40,10 @@ typedef struct {
 
 extern uint8 *ROM;
 extern uint8 *VROM;
+extern uint8 *MiscROM;
 extern uint32 ROM_size;		/* prg size in 16K chunks */
 extern uint32 VROM_size;	/* chr size in 8K chunks */
+extern uint32 MiscROM_size;
 extern iNES_HEADER head;
 
 void NSFVRC6_Init(void);