diff --git a/src/emucore/Console.cxx b/src/emucore/Console.cxx
index 260478441..2e5ab45e1 100644
--- a/src/emucore/Console.cxx
+++ b/src/emucore/Console.cxx
@@ -1176,57 +1176,76 @@ bool Console::parseAdresses(Int32& variation, Int32& player, Int32 scores[])
   //   n-times 82,    ; score addresses player 1 in hex, high to low
   //   n-times 83,    ; score addresses player 2 in hex, high to low
   //   ...
+
+  // Formats:
+  //   2,             ; score addresses per player
+  //   10,            ; score multiplier
+  //   b,             ; score format (BCD, HEX)
+  //   b,             ; variation format (BCD, HEX)
+  //   0,             ; add to variation
+  // Addresses
+  //   n*v-times 82,  ; score addresses player x in hex, high to low
+  //   80,            ; variation address in hex
+  //   81,            ; player address in hex
+  //   ...
+
   /*
     Frogger
     "Cart.Players" "2"
     "Cart.Variations" "6"
-    "Cart.Addresses" "b,0,dd,e6,b,1,2,cc,ce,cd,cf"
+    //"Cart.Addresses" "b,0,dd,e6,b,1,2,cc,ce,cd,cf"
+    "Cart.Formats" "2,1,b,b,0"
+    "Cart.Addresses" "cc,ce,cd,cf,dd,e6"
+
 
     Chopper Command:
     "Cart.Variations" "4"
     "Cart.Players" "2"
-    "Cart.Addresses" "b,1,e0,eb,b,1,3,ec,ee,f0,ed,ef,f1"
+    //"Cart.Addresses" "b,1,e0,eb,b,1,3,ec,ee,f0,ed,ef,f1"
+    "Cart.Formats" "3,1,b,b,1"
+    "Cart.Addresses" "ec,ee,f0,ed,ef,f1,e0,eb"
 
     Asteroids
     "Cart.Players" "2"
     "Cart.Variations" "66"
-    "Cart.Addresses" "h,1,80,c7,b,10,2,bd,be,c0,c1"
-
+    //"Cart.Addresses" "h,1,80,c7,b,10,2,bd,be,c0,c1"
+    "Cart.Formats" "2,10,b,h,1"
+    "Cart.Addresses" "bd,be,c0,c1,80,c7"
   */
+  // TODO: 
+  // - player bits (Asteroids)
+  // - score swaps (Asteroids)
+
+
+  string formats = myProperties.get(PropType::Cart_Formats);
   string addresses = myProperties.get(PropType::Cart_Addresses);
-  char format;
+  char scoreFormat;
+  char varFormat;
   Int16 addr;
   Int32 varAdd, numScoreAddr, scoreMult;
 
   // Since istringstream swallows whitespace, we have to make the
   // delimiters be spaces
+  std::replace(formats.begin(), formats.end(), ',', ' ');
+  std::replace(formats.begin(), formats.end(), '|', ' ');
   std::replace(addresses.begin(), addresses.end(), ',', ' ');
   std::replace(addresses.begin(), addresses.end(), '|', ' ');
-  istringstream buf(addresses);
+  istringstream addrBuf(addresses);
+  istringstream formatBuf(formats);
 
-  // 1. retrieve current variation (0..255)
-  if (!(buf >> format && buf >> varAdd && buf >> std::hex >> addr))
-    return false;
-
-  variation = mySystem->peek(addr);
-  if (format == 'b')
-    variation = (variation >> 4) * 10 + variation % 16;
-  variation += varAdd;
-  variation = std::min(variation, numVariations());
-
-  // 2. retrieve current player (0..3)
-  string playerFormat;
-
-  if (!(buf >> std::hex >> addr))
-    return false;
-
-  player = mySystem->peek(addr);
-  player = std::min(player, numPlayers());
-
-  // 3. retrieve current scores for all players
-  if (!(buf >> format && buf >> std::dec >> scoreMult && buf >> std::hex >> numScoreAddr))
-    return false;
+  // 1. retrieve formats
+  if (!(formatBuf >> numScoreAddr))
+    numScoreAddr = 2;
+  if (!(formatBuf >> scoreMult))
+    scoreMult = 1;
+  if (!(formatBuf >> scoreFormat))
+    scoreFormat = 'b';
+  if (!(formatBuf >> varFormat))
+    varFormat = 'b';
+  if (!(formatBuf >> varAdd))
+    varAdd = 0;
 
+  // 2. retrieve current scores for all players
   for (int i = 0; i < numPlayers(); ++i)
   {
     Int32 totalScore = 0;
@@ -1235,18 +1254,35 @@ bool Console::parseAdresses(Int32& variation, Int32& player, Int32 scores[])
     {
       Int32 score;
 
-      if (!(buf >> std::hex >> addr))
+      if (!(addrBuf >> std::hex >> addr))
         return false;
 
-      totalScore *= (format == 'b') ? 100 : 256;
+      totalScore *= (scoreFormat == 'b') ? 100 : 256;
 
       score = mySystem->peek(addr);
-      if (format == 'b')
+      if (scoreFormat == 'b')
         score = (score >> 4) * 10 + score % 16;
       totalScore += score;
     }
     scores[i] = totalScore * scoreMult;
   }
+
+  // 3. retrieve current variation (0..255)
+  if (!(addrBuf >> std::hex >> addr))
+    return false;
+  variation = mySystem->peek(addr);
+  if (varFormat == 'b')
+    variation = (variation >> 4) * 10 + variation % 16;
+  variation += varAdd;
+  variation = std::min(variation, numVariations());
+
+  // 4. retrieve current player (0..3)
+  if (!(addrBuf >> std::hex >> addr))
+    return false;
+
+  player = mySystem->peek(addr);
+  player = std::min(player, numPlayers() - 1);
+
   return true;
 }
 
diff --git a/src/emucore/Props.cxx b/src/emucore/Props.cxx
index 6b3296262..e5188eb43 100644
--- a/src/emucore/Props.cxx
+++ b/src/emucore/Props.cxx
@@ -258,6 +258,7 @@ void Properties::print() const
        << get(PropType::Display_PPBlend)        << "|"
        << get(PropType::Cart_Players)           << "|"
        << get(PropType::Cart_Variations)        << "|"
+       << get(PropType::Cart_Formats)           << "|"
        << get(PropType::Cart_Addresses)
        << endl;
 }
@@ -306,6 +307,7 @@ void Properties::printHeader()
        << "Display_PPBlend|"
        << "Cart_Players|"
        << "Cart_Variations|"
+       << "Cart_Formats|"
        << "Cart_Addresses"
        << endl;
 }
@@ -336,6 +338,7 @@ std::array<string, Properties::NUM_PROPS> Properties::ourDefaultProperties =
   "0",      // Display.PPBlend
   "1",      // Cart.Players
   "1",      // Cart.Variations
+  "",       // Cart.Formats,
   ""        // Cart.Addresses
 };
 
@@ -365,5 +368,6 @@ std::array<string, Properties::NUM_PROPS> Properties::ourPropertyNames =
   "Display.PPBlend",
   "Cart.Players",
   "Cart.Variations",
+  "Cart.Formats",
   "Cart.Addresses"
 };
diff --git a/src/emucore/Props.hxx b/src/emucore/Props.hxx
index d7fcbf7b4..dacc099e9 100644
--- a/src/emucore/Props.hxx
+++ b/src/emucore/Props.hxx
@@ -44,6 +44,7 @@ enum class PropType : uInt8 {
   Display_PPBlend,
   Cart_Players,
   Cart_Variations,
+  Cart_Formats,
   Cart_Addresses,
   NumTypes
 };
diff --git a/src/emucore/stella.pro b/src/emucore/stella.pro
index e48c5808a..d9293939d 100644
--- a/src/emucore/stella.pro
+++ b/src/emucore/stella.pro
@@ -213,7 +213,7 @@
 "Display.Phosphor" "YES"
 "Cart.Players" "2"
 "Cart.Variations" "6"
-"Cart.Addresses" "b,0,dd,e6,b,1,2,cc,ce,cd,cf"
+"Cart.Addresses" "cc,ce,cd,cf,dd,e6"
 ""
 
 "Cart.MD5" "02cee0b140d2f1a1efcfb1d482a5c392"
@@ -645,7 +645,7 @@
 "Display.Phosphor" "YES"
 "Cart.Players" "2"
 "Cart.Variations" "6"
-"Cart.Addresses" "b,0,dd,e6,b,1,2,cc,ce,cd,cf"
+"Cart.Addresses" "cc,ce,cd,cf,dd,e6"
 ""
 
 "Cart.MD5" "082fdc8bd47fef01482ce5883c4ffdb8"
@@ -1511,7 +1511,8 @@
 "Cart.Name" "Chopper Command (1982) (Activision) (PAL)"
 "Cart.Players" "2"
 "Cart.Variations" "4"
-"Cart.Addresses" "b,1,e0,eb,b,1,3,ec,ee,f0,ed,ef,f1"
+"Cart.Formats" "3,1,b,b,1"
+"Cart.Addresses" "ec,ee,f0,ed,ef,f1,e0,eb"
 ""
 
 "Cart.MD5" "11bcf5c752088b5aaf86d6c7a6a11e8d"
@@ -2222,7 +2223,8 @@
 "Display.Phosphor" "YES"
 "Cart.Players" "2"
 "Cart.Variations" "66"
-"Cart.Addresses" "h,1,80,c7,b,10,2,bd,be,c0,c1"
+"Cart.Formats" "2,10,b,h,1"
+"Cart.Addresses" "bd,be,c0,c1,80,c7"
 ""
 
 "Cart.MD5" "19b3b807507653516985ba95da92499d"
@@ -2396,7 +2398,8 @@
 "Cart.Note" "2600 Screen Search Console"
 "Cart.Players" "2"
 "Cart.Variations" "4"
-"Cart.Addresses" "b,1,e0,eb,b,1,3,ec,ee,f0,ed,ef,f1"
+"Cart.Formats" "3,1,b,b,1"
+"Cart.Addresses" "ec,ee,f0,ed,ef,f1,e0,eb"
 ""
 
 "Cart.MD5" "1cafa9f3f9a2fce4af6e4b85a2bbd254"
@@ -3157,7 +3160,8 @@
 "Cart.Name" "Chopper Command (1982) (Activision) (16K)"
 "Cart.Players" "2"
 "Cart.Variations" "4"
-"Cart.Addresses" "b,1,e0,eb,b,1,3,ec,ee,f0,ed,ef,f1"
+"Cart.Formats" "3,1,b,b,1"
+"Cart.Addresses" "ec,ee,f0,ed,ef,f1,e0,eb"
 ""
 
 "Cart.MD5" "25e73efb9a6edf119114718bd2f646ba"
@@ -3575,7 +3579,8 @@
 "Cart.Note" "AKA Chopper Command"
 "Cart.Players" "2"
 "Cart.Variations" "4"
-"Cart.Addresses" "b,1,e0,eb,b,1,3,ec,ee,f0,ed,ef,f1"
+"Cart.Formats" "3,1,b,b,1"
+"Cart.Addresses" "ec,ee,f0,ed,ef,f1,e0,eb"
 ""
 
 "Cart.MD5" "2a9f9001540c55a302befd8e9d54b47b"
@@ -3902,7 +3907,8 @@
 "Display.Phosphor" "YES"
 "Cart.Players" "2"
 "Cart.Variations" "66"
-"Cart.Addresses" "h,1,80,c7,b,10,2,bd,be,c0,c1"
+"Cart.Formats" "2,10,b,h,1"
+"Cart.Addresses" "bd,be,c0,c1,80,c7"
 ""
 
 "Cart.MD5" "2dcf9ce486393cd36ca0928cd53b96cb"
@@ -4290,7 +4296,8 @@
 "Display.Phosphor" "YES"
 "Cart.Players" "2"
 "Cart.Variations" "66"
-"Cart.Addresses" "h,1,80,c7,b,10,2,bd,be,c0,c1"
+"Cart.Formats" "2,10,b,h,1"
+"Cart.Addresses" "bd,be,c0,c1,80,c7"
 ""
 
 "Cart.MD5" "3276c777cbe97cdd2b4a63ffc16b7151"
@@ -4758,7 +4765,8 @@
 "Display.Format" "PAL"
 "Cart.Players" "2"
 "Cart.Variations" "4"
-"Cart.Addresses" "b,1,e0,eb,b,1,3,ec,ee,f0,ed,ef,f1"
+"Cart.Formats" "3,1,b,b,1"
+"Cart.Addresses" "ec,ee,f0,ed,ef,f1,e0,eb"
 ""
 
 "Cart.MD5" "384db97670817103dd8c0bbdef132445"
@@ -5131,7 +5139,8 @@
 "Cart.Note" "AKA Chopper Command"
 "Cart.Players" "2"
 "Cart.Variations" "4"
-"Cart.Addresses" "b,1,e0,eb,b,1,3,ec,ee,f0,ed,ef,f1"
+"Cart.Formats" "3,1,b,b,1"
+"Cart.Addresses" "ec,ee,f0,ed,ef,f1,e0,eb"
 ""
 
 "Cart.MD5" "3c7a7b3a0a7e6319b2fa0f923ef6c9af"
@@ -5307,7 +5316,8 @@
 "Display.Phosphor" "YES"
 "Cart.Players" "2"
 "Cart.Variations" "66"
-"Cart.Addresses" "h,1,80,c7,b,10,2,bd,be,c0,c1"
+"Cart.Formats" "2,10,b,h,1"
+"Cart.Addresses" "bd,be,c0,c1,80,c7"
 ""
 
 "Cart.MD5" "3e5ca1afaa27c5da3c54c9942fec528b"
@@ -6062,7 +6072,8 @@
 "Display.Phosphor" "YES"
 "Cart.Players" "2"
 "Cart.Variations" "66"
-"Cart.Addresses" "h,1,80,c7,b,10,2,bd,be,c0,c1"
+"Cart.Formats" "2,10,b,h,1"
+"Cart.Addresses" "bd,be,c0,c1,80,c7"
 ""
 
 "Cart.MD5" "47cd61f83457a0890de381e478f5cf5f"
@@ -6922,7 +6933,8 @@
 "Cart.Name" "Chopper Command (1982) (Activision) (8K)"
 "Cart.Players" "2"
 "Cart.Variations" "4"
-"Cart.Addresses" "b,1,e0,eb,b,1,3,ec,ee,f0,ed,ef,f1"
+"Cart.Formats" "3,1,b,b,1"
+"Cart.Addresses" "ec,ee,f0,ed,ef,f1,e0,eb"
 ""
 
 "Cart.MD5" "521f4dd1eb84a09b2b19959a41839aad"
@@ -7723,7 +7735,8 @@
 "Display.Phosphor" "YES"
 "Cart.Players" "2"
 "Cart.Variations" "66"
-"Cart.Addresses" "h,1,80,c7,b,10,2,bd,be,c0,c1"
+"Cart.Formats" "2,10,b,h,1"
+"Cart.Addresses" "bd,be,c0,c1,80,c7"
 ""
 
 "Cart.MD5" "5bcc83677d68f7ef74c1b4a0697ba2a8"
@@ -7760,7 +7773,8 @@
 "Cart.Note" "AKA Chopper Command"
 "Cart.Players" "2"
 "Cart.Variations" "4"
-"Cart.Addresses" "b,1,e0,eb,b,1,3,ec,ee,f0,ed,ef,f1"
+"Cart.Formats" "3,1,b,b,1"
+"Cart.Addresses" "ec,ee,f0,ed,ef,f1,e0,eb"
 ""
 
 "Cart.MD5" "5c19f6da638c4c7c1f98d09e63df43e4"
@@ -9510,7 +9524,8 @@
 "Cart.Note" "AKA Chopper Command"
 "Cart.Players" "2"
 "Cart.Variations" "4"
-"Cart.Addresses" "b,1,e0,eb,b,1,3,ec,ee,f0,ed,ef,f1"
+"Cart.Formats" "3,1,b,b,1"
+"Cart.Addresses" "ec,ee,f0,ed,ef,f1,e0,eb"
 ""
 
 "Cart.MD5" "6fc27a9233fc69d28d3f190b4ff80f03"
@@ -11421,7 +11436,8 @@
 "Cart.Name" "Chopper Command (1983) (CCE)"
 "Cart.Players" "2"
 "Cart.Variations" "4"
-"Cart.Addresses" "b,1,e0,eb,b,1,3,ec,ee,f0,ed,ef,f1"
+"Cart.Formats" "3,1,b,b,1"
+"Cart.Addresses" "ec,ee,f0,ed,ef,f1,e0,eb"
 ""
 
 "Cart.MD5" "85b1bca93e69f13905107cc802a02470"
@@ -11985,7 +12001,8 @@
 "Display.Phosphor" "YES"
 "Cart.Players" "2"
 "Cart.Variations" "66"
-"Cart.Addresses" "h,1,80,c7,b,10,2,bd,be,c0,c1"
+"Cart.Formats" "2,10,b,h,1"
+"Cart.Addresses" "bd,be,c0,c1,80,c7"
 ""
 
 "Cart.MD5" "8d00a38f4c8f8800f1c237215ac243fc"
@@ -12027,7 +12044,8 @@
 "Display.Phosphor" "YES"
 "Cart.Players" "2"
 "Cart.Variations" "66"
-"Cart.Addresses" "h,1,80,c7,b,10,2,bd,be,c0,c1"
+"Cart.Formats" "2,10,b,h,1"
+"Cart.Addresses" "bd,be,c0,c1,80,c7"
 ""
 
 "Cart.MD5" "8e0ab801b1705a740b476b7f588c6d16"
@@ -14134,7 +14152,8 @@
 "Display.Phosphor" "YES"
 "Cart.Players" "2"
 "Cart.Variations" "66"
-"Cart.Addresses" "h,1,80,c7,b,10,2,bd,be,c0,c1"
+"Cart.Formats" "2,10,b,h,1"
+"Cart.Addresses" "bd,be,c0,c1,80,c7"
 ""
 
 "Cart.MD5" "a97733b0852ee3096300102cb0689175"
@@ -14819,7 +14838,8 @@
 "Display.Phosphor" "YES"
 "Cart.Players" "2"
 "Cart.Variations" "66"
-"Cart.Addresses" "h,1,80,c7,b,10,2,bd,be,c0,c1"
+"Cart.Formats" "2,10,b,h,1"
+"Cart.Addresses" "bd,be,c0,c1,80,c7"
 ""
 
 "Cart.MD5" "b23ebf427713dd0198b7ef47dbd07ef4"
@@ -15396,7 +15416,8 @@
 "Cart.Name" "Chopper Command (SuperVision) (PAL)"
 "Cart.Players" "2"
 "Cart.Variations" "4"
-"Cart.Addresses" "b,1,e0,eb,b,1,3,ec,ee,f0,ed,ef,f1"
+"Cart.Formats" "3,1,b,b,1"
+"Cart.Addresses" "ec,ee,f0,ed,ef,f1,e0,eb"
 ""
 
 "Cart.MD5" "ba257438f8a78862a9e014d831143690"
@@ -15472,7 +15493,8 @@
 "Display.Phosphor" "YES"
 "Cart.Players" "2"
 "Cart.Variations" "66"
-"Cart.Addresses" "h,1,80,c7,b,10,2,bd,be,c0,c1"
+"Cart.Formats" "2,10,b,h,1"
+"Cart.Addresses" "bd,be,c0,c1,80,c7"
 ""
 
 "Cart.MD5" "bb579404924c40ca378b4aff6ccf302d"
@@ -15911,7 +15933,8 @@
 "Cart.Name" "Chopper Command (1982) (Activision)"
 "Cart.Players" "2"
 "Cart.Variations" "4"
-"Cart.Addresses" "b,1,e0,eb,b,1,3,ec,ee,f0,ed,ef,f1"
+"Cart.Formats" "3,1,b,b,1"
+"Cart.Addresses" "ec,ee,f0,ed,ef,f1,e0,eb"
 ""
 
 "Cart.MD5" "c1e6e4e7ef5f146388a090f1c469a2fa"
@@ -16025,7 +16048,8 @@
 "Cart.Rarity" "Hack"
 "Cart.Players" "2"
 "Cart.Variations" "4"
-"Cart.Addresses" "b,1,e0,eb,b,1,3,ec,ee,f0,ed,ef,f1"
+"Cart.Formats" "3,1,b,b,1"
+"Cart.Addresses" "ec,ee,f0,ed,ef,f1,e0,eb"
 ""
 
 "Cart.MD5" "c2c8eb642765137bb82b83a65232961f"
@@ -16862,7 +16886,8 @@
 "Display.Phosphor" "YES"
 "Cart.Players" "2"
 "Cart.Variations" "66"
-"Cart.Addresses" "h,1,80,c7,b,10,2,bd,be,c0,c1"
+"Cart.Formats" "2,10,b,h,1"
+"Cart.Addresses" "bd,be,c0,c1,80,c7"
 ""
 
 "Cart.MD5" "cccfe9e9a11b1dad04beba46eefb7351"
@@ -17680,7 +17705,8 @@
 "Display.Phosphor" "YES"
 "Cart.Players" "2"
 "Cart.Variations" "66"
-"Cart.Addresses" "h,1,80,c7,b,10,2,bd,be,c0,c1"
+"Cart.Formats" "2,10,b,h,1"
+"Cart.Addresses" "bd,be,c0,c1,80,c7"
 ""
 
 "Cart.MD5" "d573089534ca596e64efef474be7b6bc"
@@ -18071,7 +18097,8 @@
 "Cart.Name" "Chopper Command (1983) (Digitel)"
 "Cart.Players" "2"
 "Cart.Variations" "4"
-"Cart.Addresses" "b,1,e0,eb,b,1,3,ec,ee,f0,ed,ef,f1"
+"Cart.Formats" "3,1,b,b,1"
+"Cart.Addresses" "ec,ee,f0,ed,ef,f1,e0,eb"
 ""
 
 "Cart.MD5" "da732c57697ad7d7af414998fa527e75"
@@ -18370,7 +18397,8 @@
 "Display.Phosphor" "YES"
 "Cart.Players" "2"
 "Cart.Variations" "66"
-"Cart.Addresses" "h,1,80,c7,b,10,2,bd,be,c0,c1"
+"Cart.Formats" "2,10,b,h,1"
+"Cart.Addresses" "bd,be,c0,c1,80,c7"
 ""
 
 "Cart.MD5" "dd8a2124d4eda200df715c698a6ea887"
@@ -18529,7 +18557,8 @@
 "Display.Phosphor" "YES"
 "Cart.Players" "2"
 "Cart.Variations" "66"
-"Cart.Addresses" "h,1,80,c7,b,10,2,bd,be,c0,c1"
+"Cart.Formats" "2,10,b,h,1"
+"Cart.Addresses" "bd,be,c0,c1,80,c7"
 ""
 
 "Cart.MD5" "df5cc5cccdc140eb7107f5b8adfacda1"
@@ -20814,7 +20843,8 @@
 "Cart.Rarity" "Hack"
 "Cart.Players" "2"
 "Cart.Variations" "4"
-"Cart.Addresses" "b,1,e0,eb,b,1,3,ec,ee,f0,ed,ef,f1"
+"Cart.Formats" "3,1,b,b,1"
+"Cart.Addresses" "ec,ee,f0,ed,ef,f1,e0,eb"
 ""
 
 "Cart.MD5" "f8b2a6a4d73ebff10d805a9b59041986"
@@ -21481,7 +21511,8 @@
 "Cart.Name" "Chopper Command (1983) (CCE) [a]"
 "Cart.Players" "2"
 "Cart.Variations" "4"
-"Cart.Addresses" "b,1,e0,eb,b,1,3,ec,ee,f0,ed,ef,f1"
+"Cart.Formats" "3,1,b,b,1"
+"Cart.Addresses" "ec,ee,f0,ed,ef,f1,e0,eb"
 ""
 
 "Cart.MD5" "ffe51989ba6da2c6ae5a12d277862e16"