

INTERNATIONAL KARATE TAPE

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Found on the game International Karate.

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Threshold : $0168 (360) clock cycles (TAP byte $2C).
Bit 0 : $27
Bit 1 : $3F
Endianess : MSbF 
Pilot : Bit 1 (*2063).
Sync : Bit 0. 

Then... 

1 byte  : File Number (they begin at $01 and increment by 1)
2 bytes : Load Address (LSBF) 
2 bytes : End Address (LSBF) 
2 bytes : Exe Address (LSBF) 
n bytes : Data
1 byte  : Checksum (0 XOR all data bytes) 

Notes:- 

If Exe Address is $0000 then nothing is executed, only the last file has a non-zero value. 

7 unused pulses are written after the Checkbytes on my tape, they are safe to remove. 





