diff --git a/extras/modules/GB/GB.ino b/extras/modules/GB/GB.ino
deleted file mode 100644
index 06cd8d6..0000000
--- a/extras/modules/GB/GB.ino
+++ /dev/null
@@ -1,684 +0,0 @@
-/******************************************
-   Variables
- *****************************************/
-// Game Boy
-int sramBanks;
-
-/******************************************
-   Menu
- *****************************************/
-// GB menu items
-const char GBMenuItem1[] PROGMEM = "Read Rom";
-const char GBMenuItem2[] PROGMEM = "Read Save";
-const char GBMenuItem3[] PROGMEM = "Write Save";
-const char GBMenuItem4[] PROGMEM = "Reset";
-const char* const menuOptionsGB[] PROGMEM = {GBMenuItem1, GBMenuItem2, GBMenuItem3, GBMenuItem4};
-
-void gbMenu() {
-  // Output a high signal on CS(PH3) WR(PH5) RD(PH6)
-  PORTH |= (1 << 3) | (1 << 5) | (1 << 6);
-
-  // create menu with title and 4 options to choose from
-  unsigned char mainMenu;
-  // Copy menuOptions of of progmem
-  convertPgm(menuOptionsGB, 4);
-  mainMenu = question_box("GB Cart Reader", menuOptions, 4, 0);
-
-  // wait for user choice to come back from the question box menu
-  switch (mainMenu)
-  {
-    case 0:
-      display_Clear();
-      // Change working dir to root
-      sd.chdir("/");
-      readROM_GB();
-      compare_checksum_GB();
-      break;
-
-    case 1:
-      display_Clear();
-      // Change working dir to root
-      sd.chdir("/");
-      readSRAM_GB();
-      break;
-
-    case 2:
-      display_Clear();
-      // Change working dir to root
-      sd.chdir("/");
-      writeSRAM_GB();
-      unsigned long wrErrors;
-      wrErrors = verifySRAM_GB();
-      if (wrErrors == 0) {
-        println_Msg(F("Verified OK"));
-        display_Update();
-      }
-      else {
-        print_Msg(F("Error: "));
-        print_Msg(wrErrors);
-        println_Msg(F(" bytes "));
-        print_Error(F("did not verify."), false);
-      }
-      break;
-
-    case 3:
-      asm volatile ("  jmp 0");
-      break;
-  }
-  println_Msg(F(""));
-  println_Msg(F("Press Button..."));
-  display_Update();
-  wait();
-}
-
-/******************************************
-   Setup
- *****************************************/
-void setup_GB() {
-  // Set RST(PH0) to Input
-  DDRH &= ~(1 << 0);
-  // Activate Internal Pullup Resistors
-  PORTH |= (1 << 0);
-
-  // Set Address Pins to Output
-  //A0-A7
-  DDRF = 0xFF;
-  //A8-A15
-  DDRK = 0xFF;
-
-  // Set Control Pins to Output CS(PH3) WR(PH5) RD(PH6)
-  DDRH |= (1 << 3) | (1 << 5) | (1 << 6);
-  // Output a high signal on all pins, pins are active low therefore everything is disabled now
-  PORTH |= (1 << 3) | (1 << 5) | (1 << 6);
-
-  // Set Data Pins (D0-D7) to Input
-  DDRC = 0x00;
-  // Enable Internal Pullups
-  //PORTC = 0xFF;
-
-  // Print start page
-  getCartInfo_GB();
-  display_Clear();
-  if (strcmp(checksumStr, "00") != 0) {
-    println_Msg(F("GB Cart Info"));
-    print_Msg(F("Rom Name: "));
-    println_Msg(romName);
-    print_Msg(F("Rom Type: "));
-    switch (romType) {
-      case 0: print_Msg(F("ROM ONLY")); break;
-      case 1: print_Msg(F("MBC1")); break;
-      case 2: print_Msg(F("MBC1+RAM")); break;
-      case 3: print_Msg(F("MBC1+RAM")); break;
-      case 5: print_Msg(F("MBC2")); break;
-      case 6: print_Msg(F("MBC2")); break;
-      case 8: print_Msg(F("ROM+RAM")); break;
-      case 9: print_Msg(F("ROM ONLY")); break;
-      case 11: print_Msg(F("MMM01")); break;
-      case 12: print_Msg(F("MMM01+RAM")); break;
-      case 13: print_Msg(F("MMM01+RAM")); break;
-      case 15: print_Msg(F("MBC3+TIMER")); break;
-      case 16: print_Msg(F("MBC3+TIMER+RAM")); break;
-      case 17: print_Msg(F("MBC3")); break;
-      case 18: print_Msg(F("MBC3+RAM")); break;
-      case 19: print_Msg(F("MBC3+RAM")); break;
-      case 21: print_Msg(F("MBC4")); break;
-      case 22: print_Msg(F("MBC4+RAM")); break;
-      case 23: print_Msg(F("MBC4+RAM")); break;
-      case 25: print_Msg(F("MBC5")); break;
-      case 26: print_Msg(F("MBC5+RAM")); break;
-      case 27: print_Msg(F("MBC5+RAM")); break;
-      case 28: print_Msg(F("MBC5+RUMBLE")); break;
-      case 29: print_Msg(F("MBC5+RUMBLE+RAM")); break;
-      case 30: print_Msg(F("MBC5+RUMBLE+RAM")); break;
-      case 252: print_Msg(F("Gameboy Camera")); break;
-      default: print_Msg(F("Not found"));
-    }
-    println_Msg(F(" "));
-    print_Msg(F("Rom Size: "));
-    switch (romSize) {
-      case 0:
-        print_Msg(F("32KByte"));
-        break;
-      case 1:
-        print_Msg(F("64KByte"));
-        break;
-      case 2:
-        print_Msg(F("128KByte"));
-        break;
-      case 3:
-        print_Msg(F("256KByte"));
-        break;
-      case 4:
-        print_Msg(F("512KByte"));
-        break;
-      case 5:
-        if (romType == 1 || romType == 2 || romType == 3) {
-          print_Msg(F("1MByte"));
-        }
-        else {
-          print_Msg(F("1MByte"));
-        }
-        break;
-      case 6:
-        if (romType == 1 || romType == 2 || romType == 3) {
-          print_Msg(F("2MByte"));
-        }
-        else {
-          print_Msg(F("2MByte"));
-        }
-        break;
-      case 7:
-        print_Msg(F("4MByte"));
-        break;
-      case 82:
-        print_Msg(F("1.1MByten"));
-        break;
-      case 83:
-        print_Msg(F("1.2MByte"));
-        break;
-      case 84:
-        print_Msg(F("1.5MByte"));
-        break;
-      default:
-        print_Msg(F("Not found"));
-    }
-    println_Msg(F(""));
-    print_Msg(F("Banks: "));
-    println_Msg(numBanks);
-
-    print_Msg(F("Sram Size: "));
-    switch (sramSize) {
-      case 0:
-        if (romType == 6) {
-          print_Msg(F("512 bytes"));
-        }
-        else {
-          print_Msg(F("None"));
-        }
-        break;
-      case 1:
-        print_Msg(F("2 KBytes"));
-        break;
-      case 2:
-        print_Msg(F("8 KBytes"));
-        break;
-      case 3:
-        print_Msg(F("32 KBytes"));
-        break;
-      case 4:
-        print_Msg(F("128 KBytes"));
-        break;
-      default:
-        print_Msg(F("Not found"));
-    }
-    println_Msg(F(""));
-    print_Msg(F("Checksum: "));
-    println_Msg(checksumStr);
-    display_Update();
-
-    // Wait for user input
-    println_Msg(F("Press Button..."));
-    display_Update();
-    wait();
-  }
-  else {
-    print_Error(F("GAMEPAK ERROR"), true);
-  }
-}
-
-/******************************************
-   I/O Functions
- *****************************************/
-
-/******************************************
-  Low level functions
-*****************************************/
-byte readByte_GB(word myAddress) {
-  PORTF = myAddress & 0xFF;
-  PORTK = (myAddress >> 8) & 0xFF;
-
-  __asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t");
-
-  // Switch CS(PH3) and RD(PH6) to LOW
-  PORTH &= ~((1 << 3) | (1 << 6));
-
-  __asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t");
-
-  // Read
-  byte tempByte = PINC;
-
-  // Switch CS(PH3) and RD(PH6) to HIGH
-  PORTH |= (1 << 3) | (1 << 6);
-
-  __asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t");
-
-  return tempByte;
-}
-
-void writeByte_GB(int myAddress, uint8_t myData) {
-  PORTF = myAddress & 0xFF;
-  PORTK = (myAddress >> 8) & 0xFF;
-  PORTC = myData;
-
-  // Arduino running at 16Mhz -> one nop = 62.5ns
-  // Wait till output is stable
-  __asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t");
-
-  // Pull WR(PH5) low
-  PORTH &= ~(1 << 5);
-
-  // Leave WE low for at least 60ns
-  __asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t");
-
-  // Pull WR(PH5) HIGH
-  PORTH |= (1 << 5);
-
-  // Leave WE high for at least 50ns
-  __asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t");
-}
-
-/******************************************
-  Game Boy functions
-*****************************************/
-// Read Cartridge Header
-void getCartInfo_GB() {
-  // Dump name into 8.3 compatible format
-  byte myByte = 0;
-  byte myLength = 0;
-
-  for (int addr = 0x0134; addr <= 0x13C; addr++) {
-    myByte = readByte_GB(addr);
-    if (((char(myByte) >= 48 && char(myByte) <= 57) || (char(myByte) >= 65 && char(myByte) <= 122)) && myLength < 8) {
-      romName[myLength] = char(myByte);
-      myLength++;
-    }
-  }
-  // Get Checksum as string
-  sprintf(checksumStr, "%X%X", readByte_GB(0x014E), readByte_GB(0x014F));
-  romType = readByte_GB(0x0147);
-  romSize = readByte_GB(0x0148);
-  sramSize = readByte_GB(0x0149);
-  numBanks = 2; // Default 32K
-  if (romSize == 1) {
-    numBanks = 4;
-  }
-  if (romSize == 2) {
-    numBanks = 8;
-  }
-  if (romSize == 3) {
-    numBanks = 16;
-  }
-  if (romSize == 4) {
-    numBanks = 32;
-  }
-  if (romSize == 5 && (romType == 1 || romType == 2 || romType == 3)) {
-    numBanks = 63;
-  }
-  else if (romSize == 5) {
-    numBanks = 64;
-  }
-  if (romSize == 6 && (romType == 1 || romType == 2 || romType == 3)) {
-    numBanks = 125;
-  }
-  else if (romSize == 6) {
-    numBanks = 128;
-  }
-  if (romSize == 7) {
-    numBanks = 256;
-  }
-  if (romSize == 82) {
-    numBanks = 72;
-  }
-  if (romSize == 83) {
-    numBanks = 80;
-  }
-  if (romSize == 84) {
-    numBanks = 96;
-  }
-  sramBanks = 1; // Default 8K RAM
-  if (sramSize == 3) {
-    sramBanks = 4;
-  }
-  if (sramSize == 4) {
-    sramBanks = 16;  // GB Camera
-  }
-}
-
-// Dump ROM
-void readROM_GB() {
-  // Get name, add extension and convert to char array for sd lib
-  char fileName[26];
-  strcpy(fileName, romName);
-  strcat(fileName, ".GB");
-
-  // create a new folder for the rom file
-  EEPROM_readAnything(0, foldern);
-  sprintf(folder, "ROM/%s/%d", romName, foldern);
-  sd.mkdir(folder, true);
-  sd.chdir(folder);
-
-  //clear the screen
-  display_Clear();
-  println_Msg(F("Creating folder: "));
-  println_Msg(folder);
-  display_Update();
-
-  // write new folder number back to eeprom
-  foldern = foldern + 1;
-  EEPROM_writeAnything(0, foldern);
-
-  //open file on sd card
-  if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
-    print_Error(F("Can't create file on SD"), true);
-  }
-
-  unsigned int addr = 0;
-
-  // Read x number of banks
-  for (int y = 1; y < numBanks; y++) {
-    dataOut();
-    // Set ROM bank
-    writeByte_GB(0x2100, y);
-    dataIn();
-    if (y > 1) {
-      addr = 0x4000;
-    }
-    for (; addr <= 0x7FFF; addr = addr + 512) {
-      uint8_t readData[512];
-      for (int i = 0; i < 512; i++) {
-        readData[i] = readByte_GB(addr + i);
-      }
-      myFile.write(readData, 512);
-    }
-  }
-  // Close the file:
-  myFile.close();
-
-  // Signal end of process
-  print_Msg(F("Saved as "));
-  println_Msg(fileName);
-}
-
-unsigned int calc_checksum_GB (char* fileName, char* folder) {
-  unsigned int calcChecksum = 0;
-  int calcFilesize = 0;
-  unsigned long i = 0;
-  int c = 0;
-
-  if (strcmp(folder, "root") != 0)
-    sd.chdir(folder);
-
-  // If file exists
-  if (myFile.open(fileName, O_READ)) {
-    calcFilesize = myFile.fileSize() * 8 / 1024 / 1024;
-    for (i = 0; i < (myFile.fileSize() / 512); i++) {
-      myFile.read(sdBuffer, 512);
-      for (c = 0; c < 512; c++) {
-        calcChecksum += sdBuffer[c];
-      }
-    }
-    myFile.close();
-    sd.chdir();
-    // Subtract checksum bytes
-    calcChecksum -= readByte_GB(0x014E);
-    calcChecksum -= readByte_GB(0x014F);
-
-    // Return result
-    return (calcChecksum);
-  }
-  // Else show error
-  else {
-    print_Error(F("DUMP ROM 1ST"), false);
-    return 0;
-  }
-}
-
-boolean compare_checksum_GB() {
-
-  println_Msg(F("Calculating Checksum"));
-  display_Update();
-
-  char fileName[26];
-  strcpy(fileName, romName);
-  strcat(fileName, ".GB");
-
-  // last used rom folder
-  EEPROM_readAnything(0, foldern);
-  sprintf(folder, "ROM/%s/%d", romName, foldern - 1);
-
-  char calcsumStr[5];
-  sprintf(calcsumStr, "%04X", calc_checksum_GB(fileName, folder));
-
-  if (strcmp(calcsumStr, checksumStr) == 0) {
-    print_Msg(F("Result: "));
-    println_Msg(calcsumStr);
-    println_Msg(F("Checksum matches"));
-    display_Update();
-    return 1;
-  }
-  else {
-    print_Msg(F("Result: "));
-    println_Msg(calcsumStr);
-    print_Error(F("Checksum Error"), false);
-    return 0;
-  }
-}
-
-// Read RAM
-void readSRAM_GB() {
-
-  // Get name, add extension and convert to char array for sd lib
-  char fileName[26];
-  strcpy(fileName, romName);
-  strcat(fileName, ".sav");
-
-  // create a new folder for the save file
-  EEPROM_readAnything(0, foldern);
-  sprintf(folder, "SAVE/%s/%d", romName, foldern);
-  sd.mkdir(folder, true);
-  sd.chdir(folder);
-
-  // write new folder number back to eeprom
-  foldern = foldern + 1;
-  EEPROM_writeAnything(0, foldern);
-
-  //open file on sd card
-  if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
-    print_Error(F("SD Error"), true);
-  }
-
-  // MBC2 Fix (unknown why this fixes it, maybe has to read ROM before RAM?)
-  readByte_GB(0x0134);
-
-  unsigned int addr = 0;
-  unsigned int endaddr = 0;
-  if (romType == 6 && sramSize == 0) {
-    endaddr = 0xA1FF;  // MBC2 512bytes (nibbles)
-  }
-  if (sramSize == 1) {
-    endaddr = 0xA7FF;  // 2K RAM
-  }
-  if (sramSize > 1) {
-    endaddr = 0xBFFF;  // 8K RAM
-  }
-
-  // Does cartridge have RAM
-  if (endaddr > 0) {
-    dataOut();
-    // Initialise MBC
-    writeByte_GB(0x0000, 0x0A);
-
-    // Switch RAM banks
-    for (int bank = 0; bank < sramBanks; bank++) {
-      dataOut();
-      writeByte_GB(0x4000, bank);
-
-      // Read RAM
-      dataIn();
-      for (addr = 0xA000; addr <= endaddr; addr = addr + 64) {
-        uint8_t readData[64];
-        for (int i = 0; i < 64; i++) {
-          readData[i] = readByte_GB(addr + i);
-        }
-        myFile.write(readData, 64);
-      }
-    }
-    dataOut();
-    // Disable RAM
-    writeByte_GB(0x0000, 0x00);
-    dataIn();
-  }
-  else {
-    print_Error(F("Cart has no SRAM"), false);
-  }
-  // Close the file:
-  myFile.close();
-
-  // Signal end of process
-  print_Msg(F("Saved to SAVE/"));
-  print_Msg(romName);
-  print_Msg(F("/"));
-  print_Msg(foldern - 1);
-  print_Msg(F("/"));
-  println_Msg(fileName);
-  display_Update();
-}
-
-// Write RAM
-void writeSRAM_GB() {
-
-  filePath[0] = '\0';
-  sd.chdir("/");
-  fileBrowser("Select sav file");
-  // Create filepath
-  sprintf(filePath, "%s/%s", filePath, fileName);
-
-  //open file on sd card
-  if (myFile.open(filePath, O_READ)) {
-    // MBC2 Fix (unknown why this fixes it, maybe has to read ROM before RAM?)
-    readByte_GB(0x0134);
-    unsigned int addr = 0;
-    unsigned int endaddr = 0;
-    if (romType == 6 && sramSize == 0) {
-      endaddr = 0xA1FF;  // MBC2 512bytes (nibbles)
-    }
-    if (sramSize == 1) {
-      endaddr = 0xA7FF;  // 2K RAM
-    }
-    if (sramSize > 1) {
-      endaddr = 0xBFFF;  // 8K RAM
-    }
-
-    // Does cartridge have RAM
-    if (endaddr > 0) {
-      dataOut();
-      // Initialise MBC
-      writeByte_GB(0x0000, 0x0A);
-
-      // Switch RAM banks
-      for (int bank = 0; bank < sramBanks; bank++) {
-        writeByte_GB(0x4000, bank);
-
-        // Write RAM
-        for (addr = 0xA000; addr <= endaddr; addr = addr + 64) {
-
-          // Wait for serial input
-          for (uint8_t i = 0; i < 64; i++) {
-            // Pull CS(PH3) LOW
-            PORTH &= ~(1 << 3);
-            // Write to RAM
-            writeByte_GB(addr + i, myFile.read());
-            asm volatile("nop");
-            asm volatile("nop");
-            asm volatile("nop");
-            // Pull CS(PH3) HIGH
-            PORTH |= (1 << 3) ;
-          }
-        }
-      }
-
-      // Disable RAM
-      writeByte_GB(0x0000, 0x00);
-      Serial.flush(); // Flush any serial data that wasn't processed
-    }
-    else {
-      print_Error(F("Cart has no SRAM"), false);
-    }
-    // Set pins to input
-    dataIn();
-
-    // Close the file:
-    myFile.close();
-    display_Clear();
-    println_Msg(F("SRAM writing finished"));
-    display_Update();
-  }
-  else {
-    print_Error(F("File doesnt exist"), false);
-  }
-}
-
-// Check if the SRAM was written without any error
-unsigned long verifySRAM_GB() {
-
-  //open file on sd card
-  if (myFile.open(filePath, O_READ)) {
-
-    // Variable for errors
-    writeErrors = 0;
-
-    // MBC2 Fix (unknown why this fixes it, maybe has to read ROM before RAM?)
-    readByte_GB(0x0134);
-
-    unsigned int addr = 0;
-    unsigned int endaddr = 0;
-    if (romType == 6 && sramSize == 0) {
-      endaddr = 0xA1FF;  // MBC2 512bytes (nibbles)
-    }
-    if (sramSize == 1) {
-      endaddr = 0xA7FF;  // 2K RAM
-    }
-    if (sramSize > 1) {
-      endaddr = 0xBFFF;  // 8K RAM
-    }
-
-    // Does cartridge have RAM
-    if (endaddr > 0) {
-      dataOut();
-      // Initialise MBC
-      writeByte_GB(0x0000, 0x0A);
-
-      // Switch RAM banks
-      for (int bank = 0; bank < sramBanks; bank++) {
-        dataOut();
-        writeByte_GB(0x4000, bank);
-
-        // Read RAM
-        dataIn();
-        for (addr = 0xA000; addr <= endaddr; addr = addr + 64) {
-          //fill sdBuffer
-          myFile.read(sdBuffer, 64);
-          for (int c = 0; c < 64; c++) {
-            if (readByte_GB(addr + c) != sdBuffer[c]) {
-              writeErrors++;
-            }
-          }
-        }
-      }
-      dataOut();
-      // Disable RAM
-      writeByte_GB(0x0000, 0x00);
-      dataIn();
-    }
-    // Close the file:
-    myFile.close();
-    return writeErrors;
-  }
-  else {
-    print_Error(F("Can't open file"), true);
-  }
-}
-
-//******************************************
-// End of File
-//******************************************