diff --git a/src/mess/machine/c64_prophet64.c b/src/mess/machine/c64_prophet64.c
index 9a98d6e8576..fa6b9cf3c2f 100644
--- a/src/mess/machine/c64_prophet64.c
+++ b/src/mess/machine/c64_prophet64.c
@@ -1,6 +1,6 @@
 /**********************************************************************
 
-    Prophet-64 emulation
+    PROPHET64 cartridge emulation
 
     Copyright MESS Team.
     Visit http://mamedev.org for licensing and usage restrictions.
@@ -28,8 +28,9 @@ const device_type C64_PROPHET64 = &device_creator<c64_prophet64_cartridge_device
 //-------------------------------------------------
 
 c64_prophet64_cartridge_device::c64_prophet64_cartridge_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
-	device_t(mconfig, C64_PROPHET64, "C64 Prophet-64 cartridge", tag, owner, clock),
-	device_c64_expansion_card_interface(mconfig, *this)
+	device_t(mconfig, C64_PROPHET64, "PROPHET64", tag, owner, clock),
+	device_c64_expansion_card_interface(mconfig, *this),
+	m_bank(0)
 {
 }
 
@@ -51,6 +52,7 @@ void c64_prophet64_cartridge_device::device_start()
 
 void c64_prophet64_cartridge_device::device_reset()
 {
+	m_bank = 0;
 	m_exrom = 0;
 }
 
diff --git a/src/mess/machine/c64_prophet64.h b/src/mess/machine/c64_prophet64.h
index e975e5afaad..cb2dc5aa38e 100644
--- a/src/mess/machine/c64_prophet64.h
+++ b/src/mess/machine/c64_prophet64.h
@@ -1,6 +1,6 @@
 /**********************************************************************
 
-    Prophet-64 emulation
+    PROPHET64 cartridge emulation
 
     Copyright MESS Team.
     Visit http://mamedev.org for licensing and usage restrictions.
@@ -12,7 +12,6 @@
 #ifndef __PROPHET64__
 #define __PROPHET64__
 
-
 #include "emu.h"
 #include "machine/c64exp.h"
 
@@ -50,4 +49,5 @@ private:
 extern const device_type C64_PROPHET64;
 
 
+
 #endif
diff --git a/src/mess/machine/c64_sfx_sound_expander.c b/src/mess/machine/c64_sfx_sound_expander.c
index d094da08d88..b4770fea701 100644
--- a/src/mess/machine/c64_sfx_sound_expander.c
+++ b/src/mess/machine/c64_sfx_sound_expander.c
@@ -9,8 +9,16 @@
 
 #include "c64_sfx_sound_expander.h"
 
+
+
+//**************************************************************************
+//  MACROS / CONSTANTS
+//**************************************************************************
+
 #define YM3526_TAG	"ic3"
 
+
+
 //**************************************************************************
 //  DEVICE DEFINITIONS
 //**************************************************************************
diff --git a/src/mess/machine/c64_sfx_sound_expander.h b/src/mess/machine/c64_sfx_sound_expander.h
index f02f83897b0..658a978eac6 100644
--- a/src/mess/machine/c64_sfx_sound_expander.h
+++ b/src/mess/machine/c64_sfx_sound_expander.h
@@ -12,7 +12,6 @@
 #ifndef __SFX_SOUND_EXPANDER__
 #define __SFX_SOUND_EXPANDER__
 
-
 #include "emu.h"
 #include "machine/c64exp.h"
 #include "machine/cbmipt.h"
@@ -67,4 +66,5 @@ private:
 extern const device_type C64_SFX_SOUND_EXPANDER;
 
 
+
 #endif