15 lines
627 B
NASM
15 lines
627 B
NASM
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; FDC Descriptor / BIOS parameter block
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fdc_ss: equ 0x0B ; WORD sector size
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fdc_sc: equ 0x0D ; BYTE sectors per cluster
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fdc_rsc: equ 0x0E ; WORD reserved sectors
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fdc_fn: equ 0x10 ; BYTE FAT tables
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fdc_rde: equ 0x11 ; WORD root directory entries
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fdc_ts: equ 0x13 ; WORD total sector count
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; 0 if >65535, use lrgts then
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fdc_mi: equ 0x15 ; BYTE media descriptor byte
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fdc_sf: equ 0x16 ; WORD sectors per FAT
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fdc_spt: equ 0x18 ; WORD sectors per track
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fdc_nos: equ 0x1A ; WORD sides/heads
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fdc_po: equ 0x1C ; DWORD partition offset
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fdc_lrgts: equ 0x20 ; DWORD large sector count
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