diff --git a/Cart_Reader/NES.ino b/Cart_Reader/NES.ino
index 9d027a0..4427c81 100644
--- a/Cart_Reader/NES.ino
+++ b/Cart_Reader/NES.ino
@@ -106,13 +106,14 @@ static const byte PROGMEM mapsize[] = {
   185, 0, 1, 1, 1, 0, 0,  // cnrom lockout
   200, 1, 4, 1, 4, 0, 0,  // HN-02 multicarts [UNLICENSED]
   201, 1, 8, 1, 9, 0, 0,  // NROM-256 multicarts [UNLICENSED]
+  202, 0, 3, 1, 4, 0, 0,  // BMC-150IN1 multicarts [UNLICENSED]
   203, 1, 4, 1, 4, 0, 0,  // various NROM-128 multicarts [UNLICENSED]
   206, 1, 3, 2, 4, 0, 0,  // dxrom
   207, 4, 4, 5, 5, 0, 0,  // taito x1-005 variant (fudou myouou den)
   210, 3, 5, 5, 6, 0, 0,  // namco 175/340
   213, 1, 6, 1, 6, 0, 0,  // BMC-GKB (C)NROM-based multicarts, duplicate of mapper 58 [UNLICENSED]
   225, 7, 7, 8, 8, 0, 0,  // ET-4310 (FC) + K-1010 (NES) [UNLICENSED]
-  229, 5, 5, 6, 6, 0, 0,  // BMC 31-IN-1
+  229, 5, 5, 6, 6, 0, 0,  // BMC 31-IN-1 [UNLICENSED]
   232, 4, 4, 0, 0, 0, 0,  // Camerica/Codemasters "Quattro" cartridges [UNLICENSED]
   235, 6, 8, 0, 0, 0, 0,  // "Golden Game" multicarts [UNLICENSED]
   242, 5, 5, 0, 0, 0, 0,  // ET-113 [UNLICENSED]
@@ -3521,6 +3522,16 @@ void readPRG(boolean readrom) {
           }
         }
         break;
+        
+      case 202:
+        banks = int_pow(2, prgsize);
+        for (int i = 0; i < banks; i++) {
+          write_prg_byte(0x8000 | (i << 1), 0);
+          for (word address = 0x0; address < 0x4000; address += 512) {
+            dumpPRG(base, address);
+          }
+        }
+        break;
 
       case 203:
         banks = int_pow(2, prgsize) / 2;
@@ -4268,6 +4279,16 @@ void readCHR(boolean readrom) {
           }
         }
         break;
+          
+        case 202:
+          banks = int_pow(2, chrsize) / 2;
+          for (int i = 0; i < banks; i++) {
+            write_prg_byte(0x8000 | (i << 1), 0);
+            for (word address = 0x0; address < 0x2000; address += 512) {
+              dumpCHR(address);
+            }
+          }
+          break;
 
         case 203:
           banks = int_pow(2, chrsize) / 2;