36 lines
617 B
NASM
36 lines
617 B
NASM
bits 16
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; --- Read sectors from disk ---
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; IN:
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; eax <- start LBA (2k sectors)
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; cx <- number of 2k sectors
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; dl <- drive number
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; ds <- ZERO
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; bx <- buffer offset
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; es <- buffer segment
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; OUT:
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; Carry if error
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align 8
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dapack:
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dapack_size: db 0x10
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dapack_null: db 0x00
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dapack_nblocks: dw 0
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dapack_offset: dw 0
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dapack_segment: dw 0
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dapack_LBA: dq 0
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read_2k_sectors:
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pusha
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mov dword [dapack_LBA], eax
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mov word [dapack_nblocks], cx
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mov word [dapack_offset], bx
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mov word [dapack_segment], es
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mov ah, 0x42
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mov si, dapack
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int 0x13
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popa
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ret
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