Update NES.ino - added mapper 399

added mapper 399

Author: nsx0r

Cart_Reader/NES.ino

@@ -323,6 +323,7 @@ static const struct mapper_NES PROGMEM mapsize[] = {
   { 366, 0, 6, 0, 8, 0, 0 },   // GN-45
   { 380, 0, 5, 0, 0, 0, 0 },   // 970630C / KN-35A
   { 396, 0, 6, 0, 0, 0, 0 },   // 晶太 [Jīngtài] YY850437C
+  { 399, 0, 6, 0, 0, 0, 0 },   // BATMAP-000
   { 422, 1, 8, 0, 8, 0, 0 },   // TEC9719
   { 446, 0, 8, 0, 0, 0, 0 },   // SMD172B_FPGA
   { 470, 0, 11, 0, 0, 0, 0 },  // INX_007T_V01
@@ -3355,6 +3356,14 @@ void readPRG(bool readrom) {
         }
         break;
 
+      case 399:
+        banks = int_pow(2, prgsize);
+        for (size_t i = 0; i < banks; i++) {
+          write_prg_byte(0xE001, i);
+          dumpBankPRG(0x0, 0x4000, base);
+        }
+        break;
+
       case 446:
         banks = int_pow(2, prgsize) * 2;
         write_prg_byte(0x5003, 0);