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ZX Interface 1: Difference between revisions
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→Microdrive Data Storage Format
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Each sector consists of two files, each similar. There is the Sector Header, which is a 15 byte file record, or the data record recorded after the sector header, which is 528 bytes, including one "sacrificial byte" on the D1 data line, which does not contribute to the data stored, though could be modified into a high-order byte checksum in the future to improve data integrity on older cartridges. | Each sector consists of two files, each similar. There is the Sector Header, which is a 15 byte file record, or the data record recorded after the sector header, which is 528 bytes, including one "sacrificial byte" on the D1 data line, which does not contribute to the data stored, though could be modified into a high-order byte checksum in the future to improve data integrity on older cartridges. | ||
[https://sinclair.wiki.zxnet.co.uk/w/images/thumb/9/98/Logic_Analysis_of_sector_Header_and_Data_sections_with_gaps.png/800px-Logic_Analysis_of_sector_Header_and_Data_sections_with_gaps.png] | |||
[[File:Logic_Analysis_of_sector_Header_and_Data_sections,_with_gaps.png]] | [[File:Logic_Analysis_of_sector_Header_and_Data_sections,_with_gaps.png]] | ||