Empire Loader
=====================
  info by Fabrizio Gennari <fabrizio.ge@tiscalinet.it>

Used by Cool Croc Twins, Volfied...

Very similar to Double Dragon loader, only the block number is missing

Encoding:
---------

Threshold: 360 clock cycles

Data Endianess: MOST Significant bit First

 Lead-In Byte:  $80
    Sync Byte:  $40

Structure:
----------

After sync byte, the following information is given :

 00-01 Start Address of data (Low, High byte)
 02-03 End Address of data (Low, High byte)
 04    DATA

No checksum