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SubjectRe: Bootable CD idea
John Bradford wrote:
>
> Ah, it makes more sense now :-). So, could I bodge 2.4 in to working
> by modifying bootsect.S with something like this?
>
>
> movw $disksizes+1, %si # Force 18 sectors/track
> probe_loop:
> lodsb
> cbtw # extend to word
> xchgw %cx, %ax # %cx = track and sector
> xorw %dx, %dx # drive 0, head 0
> movw $0x0200, %bx # address = 512, in INITSEG (%es = %cs)
> movw $0x0201, %ax # service 2, 1 sector
> int $0x13
> movb $0x03, %ah # read cursor pos
> xorb %bh, %bh
>
> John.

Perhaps you could, but why the fsck do you want to beat a dead horse
over and over again? Use a real bootloader instead.

-hpa

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