

FLASHLOAD 

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Found on..  Ghostbusters, Hacker, On Court Tennis, Rock n Bolt.
 
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Threshold : $0118 (280) clock cycles (TAP value: $22).
Bit 0 : $1F
Bit 1 : $31
Endianess : MSbF
Pilot : Bit 1 pulses (*2048) with last one being bit 0. 
Sync byte : $33 

Then...

2 bytes : Load address (LSBF)
2 bytes : End address (LSBF)
n bytes : Data
1 byte  : Checksum (0 XOR all data bytes) 


Notes:-

- Tapes always have an extra ROM Data block (pair), this contains the loader code. 

- Loader is protected against Cartridges and Drives. 





