diff --git a/docs/index.html b/docs/index.html
index e760290c9..2b87a90f8 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -2657,9 +2657,9 @@ Ms Pac-Man (Stella extended codes):
 				<tr><td>F6SC </td><td>16K Atari + ram </td></tr>
 				<tr><td>F8 </td><td>8K Atari </td></tr>
 				<tr><td>F8SC </td><td>8K Atari + ram </td></tr>
-				<tr><td>FASC </td><td>CBS RAM Plus </td></tr>
+				<tr><td>FA </td><td>CBS RAM Plus </td></tr>
 				<tr><td>FE </td><td>8K Decathlon </td></tr>
-				<tr><td>MB </td><td>Dynacom Megaboy </td></tr>
+				<tr><td>F0 </td><td>Dynacom Megaboy </td></tr>
 				<tr><td>MC &#185;&#178;</td><td>C. Wilkson Megacart </td></tr>
 				<tr><td>SB </td><td>128-256k SUPERbanking </td></tr>
 				<tr><td>UA </td><td>8K UA Ltd. </td></tr>
diff --git a/src/emucore/Cart.cxx b/src/emucore/Cart.cxx
index abec988c8..e5430226f 100644
--- a/src/emucore/Cart.cxx
+++ b/src/emucore/Cart.cxx
@@ -162,13 +162,13 @@ Cartridge* Cartridge::create(const uInt8* image, uInt32 size, string& md5,
     cartridge = new CartridgeF8(image, true);
   else if(type == "F8SC")
     cartridge = new CartridgeF8SC(image);
-  else if(type == "FASC")
+  else if(type == "FA" || type == "FASC")
     cartridge = new CartridgeFASC(image);
   else if(type == "FE")
     cartridge = new CartridgeFE(image);
   else if(type == "MC")
     cartridge = new CartridgeMC(image, size);
-  else if(type == "MB")
+  else if(type == "F0" || type == "MB")
     cartridge = new CartridgeMB(image);
   else if(type == "CV")
     cartridge = new CartridgeCV(image, size);
@@ -317,7 +317,7 @@ string Cartridge::autodetectType(const uInt8* image, uInt32 size)
     // 512 bytes of ROM and finds if either the lower 256 bytes or
     // higher 256 bytes are all the same.  For now, we assume that
     // all carts of 12K are CBS RAM Plus/FASC.
-    type = "FASC";
+    type = "FA";
   }
   else if(size == 16384)  // 16K
   {
@@ -360,7 +360,7 @@ string Cartridge::autodetectType(const uInt8* image, uInt32 size)
     else if(isProbablyX07(image, size))
       type = "X07";
     else
-      type = "MB";
+      type = "F0";
   }
   else if(size == 128*1024)  // 128K
   {
diff --git a/src/emucore/CartFASC.hxx b/src/emucore/CartFASC.hxx
index 269593a9e..c9b7d8c86 100644
--- a/src/emucore/CartFASC.hxx
+++ b/src/emucore/CartFASC.hxx
@@ -28,6 +28,11 @@ class System;
   Cartridge class used for CBS' RAM Plus cartridges.  There are
   three 4K banks and 256 bytes of RAM.
 
+  Note that while the bankswitch type for this class has historically
+  been 'FASC', one must now use 'FA' to activate it.
+  This brings the bankswitch names in line with those used in z26 and
+  the various cart programming apps for KrokCart and Harmony/Melody.
+
   @author  Bradford W. Mott
   @version $Id$
 */
@@ -117,7 +122,7 @@ class CartridgeFASC : public Cartridge
 
       @return The name of the object
     */
-    virtual string name() const { return "CartridgeFASC"; }
+    virtual string name() const { return "CartridgeFA"; }
 
   public:
     /**
diff --git a/src/emucore/CartMB.hxx b/src/emucore/CartMB.hxx
index 0de893ac9..82ee1ff7c 100644
--- a/src/emucore/CartMB.hxx
+++ b/src/emucore/CartMB.hxx
@@ -29,6 +29,11 @@ class System;
   There are 16 4K banks.
   Accessing $1FF0 switches to next bank.
 
+  Note that while the bankswitch type for this class has historically
+  been 'MB', one must now use 'F0' to activate it.
+  This brings the bankswitch names in line with those used in z26 and
+  the various cart programming apps for KrokCart and Harmony/Melody.
+
   @author  Eckhard Stolberg
   @version $Id$
 */
@@ -118,7 +123,7 @@ class CartridgeMB : public Cartridge
 
       @return The name of the object
     */
-    virtual string name() const { return "CartridgeMB"; }
+    virtual string name() const { return "CartridgeF0"; }
 
   public:
     /**
diff --git a/src/gui/GameInfoDialog.cxx b/src/gui/GameInfoDialog.cxx
index 75fe63a98..ad9de6549 100644
--- a/src/gui/GameInfoDialog.cxx
+++ b/src/gui/GameInfoDialog.cxx
@@ -151,15 +151,15 @@ GameInfoDialog::GameInfoDialog(
   items.push_back("E7 (16K M-network)",         "E7"   );
   items.push_back("EF (64K H. Runner)",         "EF"   );
   items.push_back("EFSC (64K H. Runner + ram)", "EFSC" );
+  items.push_back("F0 (Dynacom Megaboy)",       "F0"   );
   items.push_back("F4 (32K Atari)",             "F4"   );
   items.push_back("F4SC (32K Atari + ram)",     "F4SC" );
   items.push_back("F6 (16K Atari)",             "F6"   );
   items.push_back("F6SC (16K Atari + ram)",     "F6SC" );
   items.push_back("F8 (8K Atari)",              "F8"   );
   items.push_back("F8SC (8K Atari + ram)",      "F8SC" );
-  items.push_back("FASC (CBS RAM Plus)",        "FASC" );
+  items.push_back("FA (CBS RAM Plus)",          "FA"   );
   items.push_back("FE (8K Decathlon)",          "FE"   );
-  items.push_back("MB (Dynacom Megaboy)",       "MB"   );
   items.push_back("MC (C. Wilkson Megacart)",   "MC"   );
   items.push_back("SB (128-256K SUPERbank)",    "SB"   );
   items.push_back("UA (8K UA Ltd.)",            "UA"   );
diff --git a/src/gui/GlobalPropsDialog.cxx b/src/gui/GlobalPropsDialog.cxx
index e9b17b373..d769d96fb 100644
--- a/src/gui/GlobalPropsDialog.cxx
+++ b/src/gui/GlobalPropsDialog.cxx
@@ -82,15 +82,15 @@ GlobalPropsDialog::
   items.push_back("E7 (16K M-network)",         "E7"   );
   items.push_back("EF (64K H. Runner)",         "EF"   );
   items.push_back("EFSC (64K H. Runner + ram)", "EFSC" );
+  items.push_back("F0 (Dynacom Megaboy)",       "F0"   );
   items.push_back("F4 (32K Atari)",             "F4"   );
   items.push_back("F4SC (32K Atari + ram)",     "F4SC" );
   items.push_back("F6 (16K Atari)",             "F6"   );
   items.push_back("F6SC (16K Atari + ram)",     "F6SC" );
   items.push_back("F8 (8K Atari)",              "F8"   );
   items.push_back("F8SC (8K Atari + ram)",      "F8SC" );
-  items.push_back("FASC (CBS RAM Plus)",        "FASC" );
+  items.push_back("FA (CBS RAM Plus)",          "FA"   );
   items.push_back("FE (8K Decathlon)",          "FE"   );
-  items.push_back("MB (Dynacom Megaboy)",       "MB"   );
   items.push_back("MC (C. Wilkson Megacart)",   "MC"   );
   items.push_back("SB (128-256K SUPERbank)",    "SB"   );
   items.push_back("UA (8K UA Ltd.)",            "UA"   );