

New Ocean Tape - Format 1

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Found on... The Addams Family, Adidas Soccer, Cool World, Hook, Hudson Hawk, 
Midnight Resistance, SlySpy and WWF Wrestlemania.  

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It's a Freeload clone with an additional byte (File ID) in the header.
 

2 pulsewidth sets have been found so far:

T1... 
   Bit 0 : $22 
   Bit 1 : $42

T2... 
   Bit 0 : $35 
   Bit 1 : $65 


Endianess: MSbF
Pilot byte : $40 (*128)
Sync : $5A

Then...

1 byte  : File ID, usually ignored.
2 bytes : Load address (LSBF).
2 bytes : End address (LSBF).
n bytes : Data.
1 byte  : Checksum (0 XOR all data bytes).


Trailer : 1 longer pulse (eg. $65) or 8 bits (various combinations were found) + 1 longer 
pulse (type 2). 







