Defect Lists (changes)

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FileCore

» SWI Calls

» FileCore_FloppyStructure

» Defect Lists

Defect Lists

For ‘Small’ discs¹

A list of defects in byte addresses, giving the start address of each defective sector and terminated by &20000000.

For ‘Large’ discs¹

A list of defects in byte addresses, giving the start address of each defective sector and terminated by &20000000.
Followed by a second list with the defect addresses in sectors, terminated by &40000000.

¹ The size of the disc is specified by the value at offset 20 – 23 in the disc descriptor block?disc descriptor block.

See also

• FileCore
• FileCore Disc Descriptor?FileCore Disc Record Large
• FileCore_FloppyStructure