new_contents: #!/usr/bin/python
  
  import sys, struct
  
  romFileName = sys.argv[1]
  address = int(sys.argv[2], 16)
  
  with open(romFileName, 'rb') as romFile:
      romFile.seek(address)
      value = struct.unpack("B", romFile.read(1))
      print("{}: {}".format(hex(address), hex(value[0])))
  
  
subject: add small tool to check a byte in a ROM