Re: read floppy problem

On 25 Oct 2005 02:06:20 -0700, cmk128@xxxxxxxxxxx wrote:

>Fo int 0x13
>AH = 02h
>AL = number of sectors to read (must be nonzero)
>CH = low eight bits of cylinder number
>CL = sector number 1-63 (bits 0-5)
>high two bits of cylinder (bits 6-7, hard disk only)
>DH = head number
>DL = drive number (bit 7 set for hard disk)
>ES:BX -> data buffer
>
>What is the maximum value i can put in al?

At a guess:

For a floppy, probably 128, if the buffer is aligned on a 64k
boundary, and if the bios supports multi track reads.



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