18 lines
637 B
NASM
18 lines
637 B
NASM
struc bpb
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.sectorsize: resw 1 ; WORD sector size
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.clustersects: resb 1 ; BYTE sector / cluster
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.reservedsects: resw 1 ; WORD reserved sector count
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.fatnumber: resb 1 ; BYTE fat number
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.direntries: resw 1 ; WORD root dir entries
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.total: resw 1 ; WORD total sectors
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.mediadesc: resb 1 ; BYTE media descriptor
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.fatsectors: resw 1 ; WORD sectors / fat
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.tracksectors: resw 1 ; WORD sectors per track
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.heads: resw 1 ; WORD number of sides
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.sectoroffset: resd 1 ; DWORD partition offset
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.longtotal: resd 1 ; DWORD large total sectors
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.drivenum: resb 1 ; BYTE drive number
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.signature: resb 1 ; BYTE 28h
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.serial: resd 1 ; DWORD serial
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endstruc
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