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use bios;
use bios::drive;
fn lba_to_chs(lba: u16) (u16, u16, u16) = {
let temp = lba / bios::drive::drive_spt;
let sector = (lba % bios::drive::drive_spt) + 1;
let head = temp % bios::drive::drive_heads;
let cylinder = temp / bios::drive::drive_heads;
return (cylinder, head, sector);
};
export fn read(sector: u16, dest: uintptr) void = {
let chs = lba_to_chs(sector);
bios::regs.eax = 1 | 0x2 << 8;
bios::regs.ebx = ws;
bios::regs.ecx = chs.2 | chs.0 << 8;
bios::regs.edx = bios::drive::drive_no | chs.1 << 8;
};
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