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== Blocks == | == Blocks == | ||
On the tape every block | On the tape every block start with a marker byte (0x00 for header and 0xff for data blocks) and ends with a checksum byte. | ||
The checksum byte is not really a sum, but a binary XOR of all header/data bytes. | The checksum byte is not really a sum, but a binary XOR of all header/data bytes. |
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